diff --git a/part7/README.md b/part7/README.md new file mode 100644 index 0000000..60c1807 --- /dev/null +++ b/part7/README.md @@ -0,0 +1,14 @@ +# Part 7 + +To build everything, `cd` into the `part7/` directory and run: + +```shell +elm-live src/Main.elm --output=../server/public/elm.js --dir=../server/public --pushstate +``` + +Then open [http://localhost:3000](http://localhost:3000) in your browser. + +## Exercise + +Open `src/Page/Article/Editor.elm` in your editor and resolve the TODOs there. + diff --git a/part7/elm-package.json b/part7/elm-package.json new file mode 100644 index 0000000..7c979f1 --- /dev/null +++ b/part7/elm-package.json @@ -0,0 +1,26 @@ +{ + "version": "1.0.0", + "summary": "helpful summary of your project, less than 80 characters", + "repository": "https://github.com/user/project.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [], + "dependencies": { + "NoRedInk/elm-decode-pipeline": "3.0.0 <= v < 4.0.0", + "elm-community/json-extra": "2.1.0 <= v < 3.0.0", + "elm-lang/core": "5.1.1 <= v < 6.0.0", + "elm-lang/dom": "1.1.1 <= v < 2.0.0", + "elm-lang/html": "2.0.0 <= v < 3.0.0", + "elm-lang/http": "1.0.0 <= v < 2.0.0", + "elm-lang/navigation": "2.1.0 <= v < 3.0.0", + "evancz/elm-markdown": "3.0.2 <= v < 4.0.0", + "evancz/url-parser": "2.0.1 <= v < 3.0.0", + "lukewestby/elm-http-builder": "5.1.0 <= v < 6.0.0", + "mgold/elm-date-format": "1.3.0 <= v < 2.0.0", + "rtfeldman/elm-validate": "3.0.0 <= v < 4.0.0", + "rtfeldman/selectlist": "1.0.0 <= v < 2.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/exact-dependencies.json b/part7/elm-stuff/exact-dependencies.json new file mode 100644 index 0000000..77b48b4 --- /dev/null +++ b/part7/elm-stuff/exact-dependencies.json @@ -0,0 +1,16 @@ +{ + "rtfeldman/elm-validate": "3.0.0", + "rtfeldman/selectlist": "1.0.0", + "elm-lang/navigation": "2.1.0", + "elm-lang/virtual-dom": "2.0.4", + "evancz/url-parser": "2.0.1", + "mgold/elm-date-format": "1.5.0", + "evancz/elm-markdown": "3.0.2", + "elm-lang/dom": "1.1.1", + "elm-lang/html": "2.0.0", + "elm-community/json-extra": "2.7.0", + "elm-lang/http": "1.0.0", + "lukewestby/elm-http-builder": "5.2.0", + "NoRedInk/elm-decode-pipeline": "3.0.0", + "elm-lang/core": "5.1.1" +} \ No newline at end of file diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/.gitignore b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/.gitignore new file mode 100644 index 0000000..a594364 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/.gitignore @@ -0,0 +1,4 @@ +# elm-package generated files +elm-stuff/ +# elm-repl generated files +repl-temp-* diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/LICENSE b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/LICENSE new file mode 100644 index 0000000..a8e355a --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2016, NoRedInk +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of elm-decode-pipeline nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/README.md b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/README.md new file mode 100644 index 0000000..7843d4d --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/README.md @@ -0,0 +1,108 @@ +# elm-decode-pipeline + +A library for building decoders using the pipeline [`(|>)`](http://package.elm-lang.org/packages/elm-lang/core/3.0.0/Basics#|>) +operator and plain function calls. + +## Motivation + +It's common to decode into a record that has a `type alias`. Here's an example +of this from the [`object3`](http://package.elm-lang.org/packages/elm-lang/core/3.0.0/Json-Decode#object3) +docs: + +```elm +type alias Job = { name : String, id : Int, completed : Bool } + +point : Decoder Job +point = + object3 Job + ("name" := string) + ("id" := int) + ("completed" := bool) +``` + +This works because a record type alias can be called as a normal function. In +that case it accepts one argument for each field (in whatever order the fields +are declared in the type alias) and then returns an appropriate record built +with those arguments. + +The `objectN` decoders are straightforward, but require manually changing N +whenever the field count changes. This library provides functions designed to +be used with the `|>` operator, with the goal of having decoders that are both +easy to read and easy to modify. + +## Examples + +Here is a decoder built with this library. + +```elm +import Json.Decode exposing (int, string, float, Decoder) +import Json.Decode.Pipeline exposing (decode, required, optional, hardcoded) + + +type alias User = + { id : Int + , email : Maybe String + , name : String + , percentExcited : Float + } + + +userDecoder : Decoder User +userDecoder = + decode User + |> required "id" int + |> required "email" (nullable string) -- `null` decodes to `Nothing` + |> optional "name" string "(fallback if name is `null` or not present)" + |> hardcoded 1.0 +``` + +In this example: + +* `decode` is a synonym for [`succeed`](http://package.elm-lang.org/packages/elm-lang/core/3.0.0/Json-Decode#succeed) (it just reads better here) +* `required "id" int` is similar to `("id" := int)` +* `optional` is like `required`, but if the field is either `null` or not present, decoding does not fail; instead it succeeds with the provided fallback value. +* `hardcoded` does not look at the provided JSON, and instead always decodes to the same value. + +You could use this decoder as follows: + +```elm +Json.Decode.decodeString + userDecoder + """ + {"id": 123, "email": "sam@example.com", "name": "Sam Sample"} + """ +``` + +The result would be: + +```elm +{ id = 123 +, email = "sam@example.com" +, name = "Sam Sample" +, percentExcited = 1.0 +} +``` + +Alternatively, you could use it like so: + +```elm +Json.Decode.decodeString + userDecoder + """ + {"id": 123, "email": "sam@example.com", "percentExcited": "(hardcoded)"} + """ +``` + +In this case, the result would be: + +```elm +{ id = 123 +, email = "sam@example.com" +, name = "(fallback if name not present)" +, percentExcited = 1.0 +} +``` + +--- +[![NoRedInk](https://cloud.githubusercontent.com/assets/1094080/9069346/99522418-3a9d-11e5-8175-1c2bfd7a2ffe.png)][team] +[team]: http://noredink.com/about/team diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/elm-package.json b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/elm-package.json new file mode 100644 index 0000000..06af200 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/elm-package.json @@ -0,0 +1,16 @@ +{ + "version": "3.0.0", + "summary": "A pipeline-friendly library for building JSON decoders.", + "repository": "https://github.com/NoRedInk/elm-decode-pipeline.git", + "license": "BSD-3-Clause", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Json.Decode.Pipeline" + ], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/examples/Example.elm b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/examples/Example.elm new file mode 100644 index 0000000..3b83e15 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/examples/Example.elm @@ -0,0 +1,19 @@ +module Example exposing (..) + +import Json.Decode exposing (int, string, float, Decoder) +import Json.Decode.Pipeline exposing (decode, required, optional, hardcoded) + + +type alias User = + { id : Int + , name : String + , percentExcited : Float + } + + +userDecoder : Decoder User +userDecoder = + decode User + |> required "id" int + |> optional "name" string "(fallback if name not present)" + |> hardcoded 1.0 diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/src/Json/Decode/Pipeline.elm b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/src/Json/Decode/Pipeline.elm new file mode 100644 index 0000000..15eab71 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/src/Json/Decode/Pipeline.elm @@ -0,0 +1,292 @@ +module Json.Decode.Pipeline exposing (required, requiredAt, optional, optionalAt, resolve, decode, hardcoded, custom) + +{-| # Json.Decode.Pipeline + +Use the `(|>)` operator to build JSON decoders. + +## Decoding fields + +@docs required, requiredAt, optional, optionalAt, hardcoded, custom + +## Beginning and ending pipelines + +@docs decode, resolve + +-} + +import Json.Decode as Decode exposing (Decoder) + + +{-| Decode a required field. + + import Json.Decode exposing (int, string, Decoder) + import Decode.Pipeline exposing (decode, required) + + + type alias User = + { id : Int + , name : String + , email : String + } + + + userDecoder : Decoder User + userDecoder = + decode User + |> required "id" int + |> required "name" string + |> required "email" string + + + result : Result String User + result = + Decode.decodeString + userDecoder + """ + {"id": 123, "email": "sam@example.com", "name": "Sam"} + """ + -- Ok { id = 123, name = "Sam", email = "sam@example.com" } +-} +required : String -> Decoder a -> Decoder (a -> b) -> Decoder b +required key valDecoder decoder = + custom (Decode.field key valDecoder) decoder + + +{-| Decode a required nested field. +-} +requiredAt : List String -> Decoder a -> Decoder (a -> b) -> Decoder b +requiredAt path valDecoder decoder = + custom (Decode.at path valDecoder) decoder + + +{-| Decode a field that may be missing or have a null value. If the field is +missing, then it decodes as the `fallback` value. If the field is present, +then `valDecoder` is used to decode its value. If `valDecoder` fails on a +`null` value, then the `fallback` is used as if the field were missing +entirely. + + import Json.Decode exposing (int, string, null, oneOf, Decoder) + import Decode.Pipeline exposing (decode, required, optional) + + + type alias User = + { id : Int + , name : String + , email : String + } + + + userDecoder : Decoder User + userDecoder = + decode User + |> required "id" int + |> optional "name" string "blah" + |> required "email" string + + + result : Result String User + result = + Decode.decodeString + userDecoder + """ + {"id": 123, "email": "sam@example.com" } + """ + -- Ok { id = 123, name = "blah", email = "sam@example.com" } + +Because `valDecoder` is given an opportunity to decode `null` values before +resorting to the `fallback`, you can distinguish between missing and `null` +values if you need to: + + userDecoder2 = + decode User + |> required "id" int + |> optional "name" (oneOf [ string, null "NULL" ]) "MISSING" + |> required "email" string + +-} +optional : String -> Decoder a -> a -> Decoder (a -> b) -> Decoder b +optional key valDecoder fallback decoder = + custom (optionalDecoder (Decode.field key Decode.value) valDecoder fallback) decoder + + +{-| Decode an optional nested field. +-} +optionalAt : List String -> Decoder a -> a -> Decoder (a -> b) -> Decoder b +optionalAt path valDecoder fallback decoder = + custom (optionalDecoder (Decode.at path Decode.value) valDecoder fallback) decoder + + +optionalDecoder : Decoder Decode.Value -> Decoder a -> a -> Decoder a +optionalDecoder pathDecoder valDecoder fallback = + let + nullOr decoder = + Decode.oneOf [ decoder, Decode.null fallback ] + + handleResult input = + case Decode.decodeValue pathDecoder input of + Ok rawValue -> + -- The field was present, so now let's try to decode that value. + -- (If it was present but fails to decode, this should and will fail!) + case Decode.decodeValue (nullOr valDecoder) rawValue of + Ok finalResult -> + Decode.succeed finalResult + + Err finalErr -> + Decode.fail finalErr + + Err _ -> + -- The field was not present, so use the fallback. + Decode.succeed fallback + in + Decode.value + |> Decode.andThen handleResult + + +{-| Rather than decoding anything, use a fixed value for the next step in the +pipeline. `harcoded` does not look at the JSON at all. + + import Json.Decode exposing (int, string, Decoder) + import Decode.Pipeline exposing (decode, required) + + + type alias User = + { id : Int + , email : String + , followers : Int + } + + + userDecoder : Decoder User + userDecoder = + decode User + |> required "id" int + |> required "email" string + |> hardcoded 0 + + + result : Result String User + result = + Decode.decodeString + userDecoder + """ + {"id": 123, "email": "sam@example.com"} + """ + -- Ok { id = 123, email = "sam@example.com", followers = 0 } +-} +hardcoded : a -> Decoder (a -> b) -> Decoder b +hardcoded = + Decode.succeed >> custom + + +{-| Run the given decoder and feed its result into the pipeline at this point. + +Consider this example. + + import Json.Decode exposing (int, string, at, Decoder) + import Decode.Pipeline exposing (decode, required, custom) + + + type alias User = + { id : Int + , name : String + , email : String + } + + + userDecoder : Decoder User + userDecoder = + decode User + |> required "id" int + |> custom (at [ "profile", "name" ] string) + |> required "email" string + + + result : Result String User + result = + Decode.decodeString + userDecoder + """ + { + "id": 123, + "email": "sam@example.com", + "profile": {"name": "Sam"} + } + """ + -- Ok { id = 123, name = "Sam", email = "sam@example.com" } +-} +custom : Decoder a -> Decoder (a -> b) -> Decoder b +custom = + Decode.map2 (|>) + + +{-| Convert a `Decoder (Result x a)` into a `Decoder a`. Useful when you want +to perform some custom processing just before completing the decoding operation. + + import Json.Decode exposing (int, string, float, Decoder) + import Decode.Pipeline exposing + (decode, required, resolve) + + + type alias User = + { id : Int + , email : String + } + + + userDecoder : Decoder User + userDecoder = + let + -- toDecoder gets run *after* all the + -- (|> required ...) steps are done. + toDecoder : Int -> String -> Int -> Decoder User + toDecoder id email version = + if version > 2 then + succeed (User id email) + else + fail "This JSON is from a deprecated source. Please upgrade!" + in + decode toDecoder + |> required "id" int + |> required "email" string + |> required "version" int -- version is part of toDecoder, + |> resolve -- but it is not a part of User + + + result : Result String User + result = + Decode.decodeString + userDecoder + """ + {"id": 123, "email": "sam@example.com", "version": 1} + """ + -- Err "This JSON is from a deprecated source. Please upgrade!" +-} +resolve : Decoder (Decoder a) -> Decoder a +resolve = + Decode.andThen identity + + +{-| Begin a decoding pipeline. This is a synonym for [Json.Decode.succeed](http://package.elm-lang.org/packages/elm-lang/core/latest/Json-Decode#succeed), +intended to make things read more clearly. + + import Json.Decode exposing (int, string, float, Decoder) + import Json.Decode.Pipeline exposing (decode, required, optional) + + + type alias User = + { id : Int + , email : String + , name : String + } + + + userDecoder : Decoder User + userDecoder = + decode User + |> required "id" int + |> required "email" string + |> optional "name" string "" +-} +decode : a -> Decoder a +decode = + Decode.succeed diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/.gitignore b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/.gitignore new file mode 100644 index 0000000..aee9810 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/.gitignore @@ -0,0 +1 @@ +/elm-stuff/ diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/Main.elm b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/Main.elm new file mode 100644 index 0000000..532f8e6 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/Main.elm @@ -0,0 +1,19 @@ +port module Main exposing (..) + +{-| +Run the tests with node-test-runner: + +https://github.com/rtfeldman/node-test-runner +-} + +import Tests +import Test.Runner.Node exposing (run) +import Json.Encode exposing (Value) + + +main : Program Never +main = + run emit Tests.all + + +port emit : ( String, Value ) -> Cmd msg diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/Tests.elm b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/Tests.elm new file mode 100644 index 0000000..f4bcaa1 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/Tests.elm @@ -0,0 +1,114 @@ +module Tests exposing (..) + +import Test exposing (..) +import Expect exposing (Expectation) +import Json.Decode.Pipeline + exposing + ( decode + , required + , requiredAt + , optional + , optionalAt + , resolveResult + ) +import Json.Decode exposing (Decoder, string, null) + + +{-| Run some JSON through a Decoder and return the result. +-} +runWith : String -> Decoder a -> Result String a +runWith = + flip Json.Decode.decodeString + + +isError : Result err ok -> Bool +isError result = + case result of + Err _ -> + True + + Ok _ -> + False + + +expectErr : Result err ok -> Expectation +expectErr result = + isError result + |> Expect.true ("Expected an Err but got " ++ toString result) + + +all : Test +all = + describe + "Json.Decode.Pipeline" + [ test "should decode basic example" <| + \() -> + decode (,) + |> required "a" string + |> required "b" string + |> runWith """{"a":"foo","b":"bar"}""" + |> Expect.equal (Ok ( "foo", "bar" )) + , test "should decode requiredAt fields" <| + \() -> + decode (,) + |> requiredAt [ "a" ] string + |> requiredAt [ "b", "c" ] string + |> runWith """{"a":"foo","b":{"c":"bar"}}""" + |> Expect.equal (Ok ( "foo", "bar" )) + , test "should decode optionalAt fields" <| + \() -> + decode (,) + |> optionalAt [ "a", "b" ] string "--" + |> optionalAt [ "x", "y" ] string "--" + |> runWith """{"a":{},"x":{"y":"bar"}}""" + |> Expect.equal (Ok ( "--", "bar" )) + , test "optional succeeds if the field is not present" <| + \() -> + decode (,) + |> optional "a" string "--" + |> optional "x" string "--" + |> runWith """{"x":"five"}""" + |> Expect.equal (Ok ( "--", "five" )) + , test "optional succeeds with fallback if the field is present but null" <| + \() -> + decode (,) + |> optional "a" string "--" + |> optional "x" string "--" + |> runWith """{"a":null,"x":"five"}""" + |> Expect.equal (Ok ( "--", "five" )) + , test "optional succeeds with result of the given decoder if the field is null and the decoder decodes nulls" <| + \() -> + decode (,) + |> optional "a" (null "null") "--" + |> optional "x" string "--" + |> runWith """{"a":null,"x":"five"}""" + |> Expect.equal (Ok ( "null", "five" )) + , test "optional fails if the field is present but doesn't decode" <| + \() -> + decode (,) + |> optional "a" string "--" + |> optional "x" string "--" + |> runWith """{"x":5}""" + |> expectErr + , test "optionalAt fails if the field is present but doesn't decode" <| + \() -> + decode (,) + |> optionalAt [ "a", "b" ] string "--" + |> optionalAt [ "x", "y" ] string "--" + |> runWith """{"a":{},"x":{"y":5}}""" + |> expectErr + , test "resolveResult bubbles up decoded Err results" <| + \() -> + decode Err + |> required "error" string + |> resolveResult + |> runWith """{"error":"invalid"}""" + |> expectErr + , test "resolveResult bubbles up decoded Ok results" <| + \() -> + decode Ok + |> required "ok" string + |> resolveResult + |> runWith """{"ok":"valid"}""" + |> Expect.equal (Ok "valid") + ] diff --git a/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/elm-package.json b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/elm-package.json new file mode 100644 index 0000000..4513220 --- /dev/null +++ b/part7/elm-stuff/packages/NoRedInk/elm-decode-pipeline/3.0.0/tests/elm-package.json @@ -0,0 +1,17 @@ +{ + "version": "1.0.0", + "summary": "Sample Elm Test", + "repository": "https://github.com/user/project.git", + "license": "BSD-3-Clause", + "source-directories": [ + ".", + "../src" + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-community/elm-test": "2.0.0 <= v < 3.0.0", + "rtfeldman/node-test-runner": "1.0.0 <= v < 2.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/.gitignore b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/.gitignore new file mode 100644 index 0000000..29e0eec --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/.gitignore @@ -0,0 +1,3 @@ +# Ignore build or dist files +elm-stuff +node_modules diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/.travis.yml b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/.travis.yml new file mode 100644 index 0000000..cc26c97 --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/.travis.yml @@ -0,0 +1,36 @@ +sudo: false +language: node_js +node_js: "node" +os: linux +env: ELM_VERSION=0.18.0 + +cache: + directories: + - test/elm-stuff/build-artifacts + - sysconfcpus + +before_install: + - echo -e "Host github.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config + - | # epic build time improvement - see https://github.com/elm-lang/elm-compiler/issues/1473#issuecomment-245704142 + if [ ! -d sysconfcpus/bin ]; + then + git clone https://github.com/obmarg/libsysconfcpus.git; + cd libsysconfcpus; + ./configure --prefix=$TRAVIS_BUILD_DIR/sysconfcpus; + make && make install; + cd ..; + fi + +install: + - node --version + - npm --version + - cd tests + - npm install -g elm@$ELM_VERSION + - mv $(npm config get prefix)/bin/elm-make $(npm config get prefix)/bin/elm-make-old + - printf '%s\n\n' '#!/bin/bash' 'echo "Running elm-make with sysconfcpus -n 2"' '$TRAVIS_BUILD_DIR/sysconfcpus/bin/sysconfcpus -n 2 elm-make-old "$@"' > $(npm config get prefix)/bin/elm-make + - chmod +x $(npm config get prefix)/bin/elm-make + - npm install + - elm package install --yes + +script: + - npm test diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/CHANGELOG.md b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/CHANGELOG.md new file mode 100644 index 0000000..72948b3 --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/CHANGELOG.md @@ -0,0 +1,68 @@ +### 2.6.0 + +**Additions:** +- `keys` allows extracting _only_ the keys from a JSON object + +### 2.5.0 + +**Additions:** +- `dict` helps encoding `Dict` + +### 2.4.0 + +**Additions:** +- `collection` helps with decoding array-like JavaScript structures such as `HTMLCollection` +- `combine` helps combining a `List` of decoders into a single `Decoder` for a `List` of such things + +### 2.3.0 + +**Additions:** +- `indexedList` to get access to the current js array index while decoding + +**Other Stuff:** +- `elm-doc-test` is now `elm-verify-examples`! + +### 2.2.0 + +**Additions:** +- `parseInt` and `parseFloat` for weird api's that return numbers as strings +- `doubleEncoded` for a more generic _json as a string in json_ issues + +**Fixes:** +- `optionalField` decodes the field, rather than the surrounding object now. + +**Other Stuff:** +- Code Style conforms to elm-format@exp +- Doc tests! +- Travis integration + +### 2.1.0 + +**Additions:** +- `optionalField : String -> Json.Decode.Decoder a -> Json.Decode.Decoder (Maybe.Maybe a)` - Decode an optional field, succeeding with `Nothing` if it is missing, but still giving an error if it is malformed. + +### 2.0.0 + +**Breaking Changes:** +- Upgrade for Elm 0.18 +- Removed `maybeNull` in favor of `Json.Decode.nullable` +- Removed `lazy` in favor of `Json.Decode.lazy` +- Renamed `apply` to `andMap` and reversed arguments to `Decoder a -> Decoder (a -> b) -> Decoder b` to make it work nicely with `(|>)` + +**Additions:** +- `fromResult : Result String a -> Decoder a` - convert a `Result` to a `Decoder`, helpful in `andThen` callbacks following the removal of `Json.Decode.customDecoder` +- `Json.Encode.Extra.maybe : (a -> Value) -> Maybe a -> Value` - encode a `Maybe a` given an encoder for `a`. Thanks to @hendore for this addition. + +**Other Stuff:** +- Code style conforms to elm-format + +#### 1.1.0 + +**Additions:** +- `Json.Decode.Extra.sequence` - lets you generate a list of `Decoder a` and attempt to apply them to a JSON list. _Authored by @cobalamin_ + + +#### 1.0.0 + +**Breaking Changes:** +- Upgrade for Elm 0.17 diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/LICENSE b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/LICENSE new file mode 100644 index 0000000..704c6f6 --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2016 CircuitHub Inc., Elm Community members + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/README.md b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/README.md new file mode 100644 index 0000000..3d916ec --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/README.md @@ -0,0 +1,9 @@ +[![Build Status](https://travis-ci.org/elm-community/json-extra.svg?branch=master)](https://travis-ci.org/elm-community/json-extra) + +# json-extra + +``` +elm-package install elm-community/json-extra +``` + +Convenience functions for working with JSON diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/docs/andMap.md b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/docs/andMap.md new file mode 100644 index 0000000..a784986 --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/docs/andMap.md @@ -0,0 +1,61 @@ +## Json.Decode.Extra.andMap + +Imagine you have a data type for a user + +```elm +import Date (Date) + +type alias User = + { id : Int + , createdAt : Date + , updatedAt : Date + , deletedAt : Maybe Date + , username : Maybe String + , email : Maybe String + , isAdmin : Bool + } +``` + +You can use `andMap` to incrementally apply decoders to your `User` type alias +by using that type alias as a function. Recall that record type aliases are +also functions which accept arguments in the order their fields are declared. In +this case, `User` looks like + +```elm +User : Int -> Date -> Date -> Maybe Date -> Maybe String -> Maybe String -> Bool -> User +``` + +And also recall that Elm functions can be partially applied. We can use these +properties to apply each field of our JSON object to each field in our user one +field at a time. All we need to do is also wrap `User` in a decoder and step +through using `andMap`. + +```elm +userDecoder : Decoder User +userDecoder = + succeed User + |> andMap (field "id" int) + |> andMap (field "createdAt" date) + |> andMap (field "updatedAt" date) + |> andMap (field "deletedAt" (maybe date)) + |> andMap (field "username" (maybe string)) + |> andMap (field "email" (maybe string)) + |> andMap (field "isAdmin" bool) +``` + +This is a shortened form of + +```elm +userDecoder : Decoder User +userDecoder = + succeed User + |> andThen (\f -> map f (field "id" int)) + |> andThen (\f -> map f (field "createdAt" date)) + |> andThen (\f -> map f (field "updatedAt" date)) + |> andThen (\f -> map f (field "deletedAt" (maybe date))) + |> andThen (\f -> map f (field "username" (maybe string))) + |> andThen (\f -> map f (field "email" (maybe string))) + |> andThen (\f -> map f (field "isAdmin" bool)) +``` + +See also: The [docs for `(|:)`](https://github.com/elm-community/json-extra/blob/master/docs/infixAndMap.md) diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/docs/infixAndMap.md b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/docs/infixAndMap.md new file mode 100644 index 0000000..728761b --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/docs/infixAndMap.md @@ -0,0 +1,131 @@ +## Json.Decode.Extra.(|:) + + +Infix version of `andMap` that makes for a nice DSL when decoding objects. + +Consider the following type alias for a `Location`: + +```elm +type alias Location = + { id : Int + , name : String + , address : String + } +``` + +We can use `(|:)` to build up a decoder for `Location`: + +```elm +locationDecoder : Decoder Location +locationDecoder = + succeed Location + |: (field "id" int) + |: (field "name" string) + |: (field "address" string) +``` + + + +If you're curious, here's how this works behind the scenes, read on. + +`Location` is a type alias, and type aliases give you a convenience function +that returns an instance of the record in question. Try this out in `elm-repl`: + +```elm +> type alias Location = { id : Int, name: String, address: String } + +> Location + : Int -> String -> String -> Repl.Location + +> Location 1 "The White House" "1600 Pennsylvania Ave" +{ id = 1, name = "The White House", address = "1600 Pennsylvania Ave" } +``` + +In other words, if you call the `Location` function, passing three arguments, +it will return a new `Location` record by filling in each of its fields. (The +argument order is based on the order in which we listed the fields in the +type alias; the first argument sets `id`, the second argument sets `name`, etc.) + +Now try running this through `elm-repl`: + +```elm +> import Json.Decode exposing (succeed, int, string, field) + +> succeed Location + + : Json.Decode.Decoder + (Int -> String -> String -> Repl.Location) +``` + +So `succeed Location` gives us a `Decoder (Int -> String -> String -> Location)`. +That's not what we want! What we want is a `Decoder Location`. All we have so +far is a `Decoder` that wraps not a `Location`, but rather a function that +returns a `Location`. + +What `|: (field "id" int)` does is to take that wrapped function and pass an +argument to it. + +```elm +> import Json.Decode exposing (succeed, int, string, field) + +> (field "id" int) + : Json.Decode.Decoder Int + +> succeed Location |: (field "id" int) + + : Json.Decode.Decoder + (String -> String -> Repl.Location) +``` + +Notice how the wrapped function no longer takes an `Int` as its first argument. +That's because `(|:)` went ahead and supplied one: the `Int` wrapped by the decoder +`(field "id" int)` (which returns a `Decoder Int`). + +Compare: + +```elm +> succeed Location +Decoder (Int -> String -> String -> Location) + +> succeed Location |: (field "id" int) +Decoder (String -> String -> Location) +``` + +We still want a `Decoder Location` and we still don't have it yet. Our decoder +still wraps a function instead of a plain `Location`. However, that function is +now smaller by one argument! + +Let's repeat this pattern to provide the first `String` argument next. + +```elm +> succeed Location +Decoder (Int -> String -> String -> Location) + +> succeed Location |: (field "id" int) +Decoder (String -> String -> Location) + +> succeed Location |: (field "id" int) |: (field "name" string) +Decoder (String -> Location) +``` + +Smaller and smaller! Now we're down from `(Int -> String -> String -> Location)` +to `(String -> Location)`. What happens if we repeat the pattern one more time? + +```elm +> succeed Location +Decoder (Int -> String -> String -> Location) + +> succeed Location |: (field "id" int) +Decoder (String -> String -> Location) + +> succeed Location |: (field "id" int) |: (field "name" string) +Decoder (String -> Location) + +> succeed Location |: (field "id" int) |: (field "name" string) |: (field "address" string) +Decoder Location +``` + +Having now supplied all three arguments to the wrapped function, it has ceased +to be a function. It's now just a plain old `Location`, like we wanted all along. + +We win! diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/elm-package.json b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/elm-package.json new file mode 100644 index 0000000..3418dd7 --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/elm-package.json @@ -0,0 +1,17 @@ +{ + "version": "2.7.0", + "summary": "Convenience functions for working with Json", + "repository": "https://github.com/elm-community/json-extra.git", + "license": "MIT", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Json.Decode.Extra", + "Json.Encode.Extra" + ], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/package-lock.json b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/package-lock.json new file mode 100644 index 0000000..139b979 --- 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/dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/src/Json/Decode/Extra.elm @@ -0,0 +1,565 @@ +module Json.Decode.Extra + exposing + ( (|:) + , andMap + , collection + , combine + , date + , dict2 + , doubleEncoded + , fromResult + , indexedList + , keys + , optionalField + , parseFloat + , parseInt + , sequence + , set + , when + , withDefault + ) + +{-| Convenience functions for working with Json + + +# Date + +@docs date + + +# Incremental Decoding + +@docs andMap, (|:) + + +# Conditional Decoding + +@docs when + + +# List + +@docs collection, sequence, combine, indexedList, keys + + +# Set + +@docs set + + +# Dict + +@docs dict2 + + +# Maybe + +@docs withDefault, optionalField + + +# Result + +@docs fromResult + + +# Encoded strings + +@docs parseInt, parseFloat, doubleEncoded + +-} + +import Date +import Dict exposing (Dict) +import Json.Decode exposing (..) +import Set exposing (Set) +import String + + +{-| Can be helpful when decoding large objects incrementally. + +See [the `andMap` docs](https://github.com/elm-community/json-extra/blob/2.0.0/docs/andMap.md) +for an explanation of how `andMap` works and how to use it. + +-} +andMap : Decoder a -> Decoder (a -> b) -> Decoder b +andMap = + map2 (|>) + + +{-| Infix version of `andMap` that makes for a nice DSL when decoding objects. + +See [the `(|:)` docs](https://github.com/elm-community/json-extra/blob/2.0.0/docs/infixAndMap.md) +for an explanation of how `(|:)` works and how to use it. + +-} +(|:) : Decoder (a -> b) -> Decoder a -> Decoder b +(|:) = + flip andMap + + +{-| Extract a date using [`Date.fromString`](http://package.elm-lang.org/packages/elm-lang/core/latest/Date#fromString) + + import Date + import Json.Decode exposing (..) + + + """ "2012-04-23T18:25:43.511Z" """ + |> decodeString date + --> Date.fromString "2012-04-23T18:25:43.511Z" + + + """ "foo" """ + |> decodeString date + --> Err "I ran into a `fail` decoder: Unable to parse 'foo' as a date. Dates must be in the ISO 8601 format." + +-} +date : Decoder Date.Date +date = + string + |> andThen (Date.fromString >> fromResult) + + +{-| Extract a set. + + import Json.Decode exposing (..) + import Set + + + "[ 1, 1, 5, 2 ]" + |> decodeString (set int) + --> Ok <| Set.fromList [ 1, 2, 5 ] + +-} +set : Decoder comparable -> Decoder (Set comparable) +set decoder = + list decoder + |> map Set.fromList + + +{-| Extract a dict using separate decoders for keys and values. + + import Json.Decode exposing (..) + import Dict + + + """ { "1": "foo", "2": "bar" } """ + |> decodeString (dict2 int string) + --> Ok <| Dict.fromList [ ( 1, "foo" ), ( 2, "bar" ) ] + +-} +dict2 : Decoder comparable -> Decoder v -> Decoder (Dict comparable v) +dict2 keyDecoder valueDecoder = + keyValuePairs valueDecoder + |> andThen (decodeDictFromTuples keyDecoder) + + +{-| Helper function for dict +-} +decodeDictFromTuples : Decoder comparable -> List ( String, v ) -> Decoder (Dict comparable v) +decodeDictFromTuples keyDecoder tuples = + case tuples of + [] -> + succeed Dict.empty + + ( strKey, value ) :: rest -> + case decodeString keyDecoder strKey of + Ok key -> + decodeDictFromTuples keyDecoder rest + |> andThen (Dict.insert key value >> succeed) + + Err error -> + fail error + + +{-| Try running the given decoder; if that fails, then succeed with the given +fallback value. + + import Json.Decode exposing (..) + + + """ { "children": "oops" } """ + |> decodeString (field "children" (list string) |> withDefault []) + --> Ok [] + + + """ null """ + |> decodeString (field "children" (list string) |> withDefault []) + --> Ok [] + + + """ 30 """ + |> decodeString (int |> withDefault 42) + --> Ok 30 + +-} +withDefault : a -> Decoder a -> Decoder a +withDefault fallback decoder = + maybe decoder + |> map (Maybe.withDefault fallback) + + +{-| If a field is missing, succeed with `Nothing`. If it is present, decode it +as normal and wrap successes in a `Just`. + +When decoding with +[`maybe`](http://package.elm-lang.org/packages/elm-lang/core/latest/Json-Decode#maybe), +if a field is present but malformed, you get a success and Nothing. +`optionalField` gives you a failed decoding in that case, so you know +you received malformed data. + +Examples: + + import Json.Decode exposing (..) + +Let's define a `stuffDecoder` that extracts the `"stuff"` field, if it exists. + + stuffDecoder : Decoder (Maybe String) + stuffDecoder = + optionalField "stuff" string + +If the "stuff" field is missing, decode to Nothing. + + """ { } """ + |> decodeString stuffDecoder + --> Ok Nothing + +If the "stuff" field is present but not a String, fail decoding. + + """ { "stuff": [] } """ + |> decodeString stuffDecoder + --> Err "Expecting a String at _.stuff but instead got: []" + +If the "stuff" field is present and valid, decode to Just String. + + """ { "stuff": "yay!" } """ + |> decodeString stuffDecoder + --> Ok <| Just "yay!" + +-} +optionalField : String -> Decoder a -> Decoder (Maybe a) +optionalField fieldName decoder = + let + finishDecoding json = + case decodeValue (field fieldName value) json of + Ok val -> + -- The field is present, so run the decoder on it. + map Just (field fieldName decoder) + + Err _ -> + -- The field was missing, which is fine! + succeed Nothing + in + value + |> andThen finishDecoding + + +{-| This function turns a list of decoders into a decoder that returns a list. + +The returned decoder will zip the list of decoders with a list of values, +matching each decoder with exactly one value at the same position. This is most +often useful in cases when you find yourself needing to dynamically generate a +list of decoders based on some data, and decode some other data with this list +of decoders. + +Note that this function, unlike `List.map2`'s behaviour, expects the list of +decoders to have the same length as the list of values in the JSON. + + import Json.Decode exposing (..) + + + sequence + [ map Just string + , succeed Nothing + , map Just string + ] + |> flip decodeString """ [ "pick me", "ignore me", "and pick me" ] """ + --> Ok [ Just "pick me", Nothing, Just "and pick me" ] + +-} +sequence : List (Decoder a) -> Decoder (List a) +sequence decoders = + list value |> andThen (sequenceHelp decoders) + + +{-| Helper function for sequence +-} +sequenceHelp : List (Decoder a) -> List Value -> Decoder (List a) +sequenceHelp decoders jsonValues = + if List.length jsonValues /= List.length decoders then + fail "Number of decoders does not match number of values" + else + List.map2 decodeValue decoders jsonValues + |> List.foldr (Result.map2 (::)) (Ok []) + |> fromResult + + +{-| Get access to the current index while decoding a list element. + + import Json.Decode exposing (..) + + + repeatedStringDecoder : Int -> Decoder String + repeatedStringDecoder times = + string |> map (String.repeat times) + + + """ [ "a", "b", "c", "d" ] """ + |> decodeString (indexedList repeatedStringDecoder) + --> Ok [ "", "b", "cc", "ddd" ] + +-} +indexedList : (Int -> Decoder a) -> Decoder (List a) +indexedList indexedDecoder = + list value + |> andThen + (\values -> + List.range 0 (List.length values - 1) + |> List.map indexedDecoder + |> sequence + ) + + +{-| Get a list of the keys of a JSON object + + import Json.Decode exposing (..) + + + """ { "alice": 42, "bob": 99 } """ + |> decodeString keys + --> Ok [ "alice", "bob" ] + +-} +keys : Decoder (List String) +keys = + keyValuePairs (succeed ()) + |> map (List.foldl (\( key, _ ) acc -> key :: acc) []) + + +{-| Transform a result into a decoder + +Sometimes it can be useful to use functions that primarily operate on +`Result` in decoders. An example of this is `Json.Decode.Extra.date`. It +uses the built-in `Date.fromString` to parse a `String` as a `Date`, and +then converts the `Result` from that conversion into a decoder which has +either already succeeded or failed based on the outcome. + + import Json.Decode exposing (..) + + + validateString : String -> Result String String + validateString input = + case input of + "" -> + Err "Empty string is not allowed" + _ -> + Ok input + + + """ "something" """ + |> decodeString (string |> andThen (fromResult << validateString)) + --> Ok "something" + + + """ "" """ + |> decodeString (string |> andThen (fromResult << validateString)) + --> Err "I ran into a `fail` decoder: Empty string is not allowed" + +-} +fromResult : Result String a -> Decoder a +fromResult result = + case result of + Ok successValue -> + succeed successValue + + Err errorMessage -> + fail errorMessage + + +{-| Extract an int using [`String.toInt`](http://package.elm-lang.org/packages/elm-lang/core/latest/String#toInt) + + import Json.Decode exposing (..) + + + """ { "field": "123" } """ + |> decodeString (field "field" parseInt) + --> Ok 123 + +-} +parseInt : Decoder Int +parseInt = + string |> andThen (String.toInt >> fromResult) + + +{-| Extract a float using [`String.toFloat`](http://package.elm-lang.org/packages/elm-lang/core/latest/String#toFloat) + + import Json.Decode exposing (..) + + + """ { "field": "50.5" } """ + |> decodeString (field "field" parseFloat) + --> Ok 50.5 + +-} +parseFloat : Decoder Float +parseFloat = + string |> andThen (String.toFloat >> fromResult) + + +{-| Extract a JSON-encoded string field + +"Yo dawg, I heard you like JSON..." + +If someone has put JSON in your JSON (perhaps a JSON log entry, encoded +as a string) this is the function you're looking for. Give it a decoder +and it will return a new decoder that applies your decoder to a string +field and yields the result (or fails if your decoder fails). + + import Json.Decode exposing (..) + + + logEntriesDecoder : Decoder (List String) + logEntriesDecoder = + doubleEncoded (list string) + + + logsDecoder : Decoder (List String) + logsDecoder = + field "logs" logEntriesDecoder + + + """ { "logs": "[\\"log1\\", \\"log2\\"]"} """ + |> decodeString logsDecoder + --> Ok [ "log1", "log2" ] + +-} +doubleEncoded : Decoder a -> Decoder a +doubleEncoded decoder = + string |> andThen (fromResult << decodeString decoder) + + +{-| Helps converting a list of decoders into a decoder for a list of that type. + + import Json.Decode exposing (..) + + + decoders : List (Decoder String) + decoders = + [ field "foo" string + , field "bar" string + , field "another" string + ] + + + """ { "foo": "hello", "another": "!", "bar": "world" } """ + |> decodeString (combine decoders) + --> Ok [ "hello", "world", "!" ] + +-} +combine : List (Decoder a) -> Decoder (List a) +combine = + List.foldr (map2 (::)) (succeed []) + + +{-| Some JavaScript structures look like arrays, but aren't really. Examples +include `HTMLCollection`, `NodeList` and everything else that has a `length` +property, has values indexed by an integer key between 0 and `length`, but yet +_is not_ a JavaScript Array. + +This decoder can come to the rescue. + + import Json.Decode exposing (..) + + + """ { "length": 3, "0": "foo", "1": "bar", "2": "baz" } """ + |> decodeString (collection string) + --> Ok [ "foo", "bar", "baz" ] + +-} +collection : Decoder a -> Decoder (List a) +collection decoder = + field "length" int + |> andThen + (\length -> + List.range 0 (length - 1) + |> List.map (\index -> field (toString index) decoder) + |> combine + ) + + +{-| Helper for conditionally decoding values based on some discriminator +that needs to pass a certain check. + + import Json.Decode exposing (..) + + + is : a -> a -> Bool + is a b = + a == b + + + enabledValue : Decoder Int + enabledValue = + (field "value" int) + |> when (field "enabled" bool) (is True) + + + """ { "enabled": true, "value": 123 } """ + |> decodeString enabledValue + --> Ok 123 + + + """ { "enabled": false, "value": 321 } """ + |> decodeString enabledValue + --> Err "I ran into a `fail` decoder: Check failed with input `False`" + +This can also be used to decode union types that are encoded with a discriminator field: + + type Animal = Cat String | Dog String + + + dog : Decoder Animal + dog = + map Dog (field "name" string) + + + cat : Decoder Animal + cat = + map Cat (field "name" string) + + + animalType : Decoder String + animalType = + field "type" string + + + animal : Decoder Animal + animal = + oneOf + [ when animalType (is "dog") dog + , when animalType (is "cat") cat + ] + + + """ + [ + { "type": "dog", "name": "Dawg" }, + { "type": "cat", "name": "Roxy" } + ] + """ + |> decodeString (list animal) + --> Ok [ Dog "Dawg", Cat "Roxy" ] + +-} +when : Decoder a -> (a -> Bool) -> Decoder b -> Decoder b +when checkDecoder check passDecoder = + checkDecoder + |> andThen + (\checkVal -> + if check checkVal then + passDecoder + else + fail <| + "Check failed with input `" + ++ toString checkVal + ++ "`" + ) diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/src/Json/Encode/Extra.elm b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/src/Json/Encode/Extra.elm new file mode 100644 index 0000000..5b7bd9a --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/src/Json/Encode/Extra.elm @@ -0,0 +1,47 @@ +module Json.Encode.Extra exposing (dict, maybe) + +{-| Convenience functions for turning Elm values into Json values. + +@docs dict, maybe + +-} + +import Dict exposing (Dict) +import Json.Encode exposing (Value, encode, int, null, object) + + +{-| Encode a Maybe value. If the value is `Nothing` it will be encoded as `null` + + import Json.Encode exposing (..) + + + maybe int (Just 50) + --> int 50 + + + maybe int Nothing + --> null + +-} +maybe : (a -> Value) -> Maybe a -> Value +maybe encoder = + Maybe.map encoder >> Maybe.withDefault null + + +{-| Turn a `Dict` into a JSON object. + + import Json.Encode exposing (..) + import Dict + + + Dict.fromList [ ( "Sue", 38 ), ( "Tom", 42 ) ] + |> dict identity int + |> encode 0 + --> """{"Sue":38,"Tom":42}""" + +-} +dict : (comparable -> String) -> (v -> Value) -> Dict comparable v -> Value +dict toKey toValue dict = + Dict.toList dict + |> List.map (\( key, value ) -> ( toKey key, toValue value )) + |> object diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/tests/elm-package.json b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/tests/elm-package.json new file mode 100644 index 0000000..ce44f29 --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/tests/elm-package.json @@ -0,0 +1,16 @@ +{ + "version": "1.0.0", + "summary": "Test Suites", + "repository": "https://github.com/elm-community/json-extra.git", + "license": "MIT", + "source-directories": [ + "../src", + "." + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-community/elm-test": "4.0.0 <= v < 5.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/tests/elm-verify-examples.json b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/tests/elm-verify-examples.json new file mode 100644 index 0000000..fb6502e --- /dev/null +++ b/part7/elm-stuff/packages/elm-community/json-extra/2.7.0/tests/elm-verify-examples.json @@ -0,0 +1,7 @@ +{ + "root": "../src", + "tests": [ + "Json.Encode.Extra", + "Json.Decode.Extra" + ] +} diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/.eslintrc b/part7/elm-stuff/packages/elm-lang/core/5.1.1/.eslintrc new file mode 100644 index 0000000..169879a --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/.eslintrc @@ -0,0 +1,156 @@ +{ + "parser": "babel-eslint", // https://github.com/babel/babel-eslint + "plugins": [], + "env": { // http://eslint.org/docs/user-guide/configuring.html#specifying-environments + "browser": true, // browser global variables + "node": true // Node.js global variables and Node.js-specific rules + }, + "ecmaFeatures": { + "arrowFunctions": true, + "blockBindings": true, + "classes": true, + "defaultParams": true, + "destructuring": true, + "forOf": true, + "generators": false, + "modules": true, + "objectLiteralComputedProperties": true, + "objectLiteralDuplicateProperties": false, + "objectLiteralShorthandMethods": true, + "objectLiteralShorthandProperties": true, + "spread": true, + "superInFunctions": true, + "templateStrings": true, + }, + "rules": { +/** + * Strict mode + */ + // babel inserts "use strict"; for us + "strict": [2, "never"], // http://eslint.org/docs/rules/strict + +/** + * Variables + */ + "no-shadow": 2, // http://eslint.org/docs/rules/no-shadow + "no-shadow-restricted-names": 2, // http://eslint.org/docs/rules/no-shadow-restricted-names + "no-unused-vars": [2, { // http://eslint.org/docs/rules/no-unused-vars + "vars": "local", + "args": "after-used" + }], + "no-use-before-define": 2, // http://eslint.org/docs/rules/no-use-before-define + +/** + * Possible errors + */ + "no-cond-assign": [2, "always"], // http://eslint.org/docs/rules/no-cond-assign + "no-console": 1, // http://eslint.org/docs/rules/no-console + "no-debugger": 1, // http://eslint.org/docs/rules/no-debugger + "no-alert": 1, // http://eslint.org/docs/rules/no-alert + "no-constant-condition": 1, // http://eslint.org/docs/rules/no-constant-condition + "no-dupe-keys": 2, // http://eslint.org/docs/rules/no-dupe-keys + "no-duplicate-case": 2, // http://eslint.org/docs/rules/no-duplicate-case + "no-empty": 2, // http://eslint.org/docs/rules/no-empty + "no-ex-assign": 2, // http://eslint.org/docs/rules/no-ex-assign + "no-extra-boolean-cast": 0, // http://eslint.org/docs/rules/no-extra-boolean-cast + "no-extra-semi": 2, // http://eslint.org/docs/rules/no-extra-semi + "no-func-assign": 2, // http://eslint.org/docs/rules/no-func-assign + "no-inner-declarations": 2, // http://eslint.org/docs/rules/no-inner-declarations + "no-invalid-regexp": 2, // http://eslint.org/docs/rules/no-invalid-regexp + "no-irregular-whitespace": 2, // http://eslint.org/docs/rules/no-irregular-whitespace + "no-obj-calls": 2, // http://eslint.org/docs/rules/no-obj-calls + "no-sparse-arrays": 2, // http://eslint.org/docs/rules/no-sparse-arrays + "no-unreachable": 2, // http://eslint.org/docs/rules/no-unreachable + "use-isnan": 2, // http://eslint.org/docs/rules/use-isnan + "block-scoped-var": 2, // http://eslint.org/docs/rules/block-scoped-var + +/** + * Best practices + */ + "consistent-return": 2, // http://eslint.org/docs/rules/consistent-return + "curly": [2, "multi-line"], // http://eslint.org/docs/rules/curly + "default-case": 2, // http://eslint.org/docs/rules/default-case + "dot-notation": [2, { // http://eslint.org/docs/rules/dot-notation + "allowKeywords": true + }], + "eqeqeq": 2, // http://eslint.org/docs/rules/eqeqeq + "max-len": [2, 100, 4], + "guard-for-in": 2, // http://eslint.org/docs/rules/guard-for-in + "no-caller": 2, // http://eslint.org/docs/rules/no-caller + "no-else-return": 2, // http://eslint.org/docs/rules/no-else-return + "no-eq-null": 2, // http://eslint.org/docs/rules/no-eq-null + "no-eval": 2, // http://eslint.org/docs/rules/no-eval + "no-extend-native": 2, // http://eslint.org/docs/rules/no-extend-native + "no-extra-bind": 2, // http://eslint.org/docs/rules/no-extra-bind + "no-fallthrough": 2, // http://eslint.org/docs/rules/no-fallthrough + "no-floating-decimal": 2, // http://eslint.org/docs/rules/no-floating-decimal + "no-implied-eval": 2, // http://eslint.org/docs/rules/no-implied-eval + "no-lone-blocks": 2, // http://eslint.org/docs/rules/no-lone-blocks + "no-loop-func": 2, // http://eslint.org/docs/rules/no-loop-func + "no-multi-str": 2, // http://eslint.org/docs/rules/no-multi-str + "no-native-reassign": 2, // http://eslint.org/docs/rules/no-native-reassign + "no-new": 2, // http://eslint.org/docs/rules/no-new + "no-new-func": 2, // http://eslint.org/docs/rules/no-new-func + "no-new-wrappers": 2, // http://eslint.org/docs/rules/no-new-wrappers + "no-octal": 2, // http://eslint.org/docs/rules/no-octal + "no-octal-escape": 2, // http://eslint.org/docs/rules/no-octal-escape + "no-param-reassign": 2, // http://eslint.org/docs/rules/no-param-reassign + "no-proto": 2, // http://eslint.org/docs/rules/no-proto + "no-redeclare": 2, // http://eslint.org/docs/rules/no-redeclare + "no-return-assign": 2, // http://eslint.org/docs/rules/no-return-assign + "no-script-url": 2, // http://eslint.org/docs/rules/no-script-url + "no-self-compare": 2, // http://eslint.org/docs/rules/no-self-compare + "no-sequences": 2, // http://eslint.org/docs/rules/no-sequences + "no-throw-literal": 2, // http://eslint.org/docs/rules/no-throw-literal + "no-with": 2, // http://eslint.org/docs/rules/no-with + "radix": 2, // http://eslint.org/docs/rules/radix + "wrap-iife": [2, "any"], // http://eslint.org/docs/rules/wrap-iife + "yoda": 2, // http://eslint.org/docs/rules/yoda + +/** + * Style + */ + "indent": [2, "tab"], // http://eslint.org/docs/rules/indent + "quotes": [ + 2, "single", "avoid-escape" // http://eslint.org/docs/rules/quotes + ], + "camelcase": [2, { // http://eslint.org/docs/rules/camelcase + "properties": "never" + }], + "comma-spacing": [2, { // http://eslint.org/docs/rules/comma-spacing + "before": false, + "after": true + }], + "comma-style": [2, "last"], // http://eslint.org/docs/rules/comma-style + "eol-last": 2, // http://eslint.org/docs/rules/eol-last + "func-names": 1, // http://eslint.org/docs/rules/func-names + "key-spacing": [2, { // http://eslint.org/docs/rules/key-spacing + "beforeColon": false, + "afterColon": true + }], + "no-multiple-empty-lines": [2, { // http://eslint.org/docs/rules/no-multiple-empty-lines + "max": 2 + }], + "no-nested-ternary": 2, // http://eslint.org/docs/rules/no-nested-ternary + "no-new-object": 2, // http://eslint.org/docs/rules/no-new-object + "no-spaced-func": 2, // http://eslint.org/docs/rules/no-spaced-func + "no-trailing-spaces": 2, // http://eslint.org/docs/rules/no-trailing-spaces + "no-extra-parens": [2, "functions"], // http://eslint.org/docs/rules/no-extra-parens + "no-underscore-dangle": 0, // http://eslint.org/docs/rules/no-underscore-dangle + "padded-blocks": [2, "never"], // http://eslint.org/docs/rules/padded-blocks + "semi": [2, "always"], // http://eslint.org/docs/rules/semi + "semi-spacing": [2, { // http://eslint.org/docs/rules/semi-spacing + "before": false, + "after": true + }], + "space-after-keywords": 2, // http://eslint.org/docs/rules/space-after-keywords + "space-before-blocks": 2, // http://eslint.org/docs/rules/space-before-blocks + "space-before-function-paren": [2, "never"], // http://eslint.org/docs/rules/space-before-function-paren + "space-infix-ops": 2, // http://eslint.org/docs/rules/space-infix-ops + "space-return-throw-case": 2, // http://eslint.org/docs/rules/space-return-throw-case + "spaced-comment": [2, "always", {// http://eslint.org/docs/rules/spaced-comment + "exceptions": ["-", "+"], + "markers": ["=", "!"] // space here to support sprockets directives + }] + } +} diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/.gitignore b/part7/elm-stuff/packages/elm-lang/core/5.1.1/.gitignore new file mode 100644 index 0000000..7f3cfe4 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/.gitignore @@ -0,0 +1,3 @@ +elm-stuff +tests/test.js +node_modules/ \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/.travis.yml b/part7/elm-stuff/packages/elm-lang/core/5.1.1/.travis.yml new file mode 100644 index 0000000..9576ae8 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/.travis.yml @@ -0,0 +1,35 @@ +sudo: false + +cache: + directories: + - test/elm-stuff/build-artifacts + - sysconfcpus + +language: node_js + +node_js: + - "4.3" + +before_install: + - if [ ${TRAVIS_OS_NAME} == "osx" ]; + then brew update; brew install nvm; mkdir ~/.nvm; export NVM_DIR=~/.nvm; source $(brew --prefix nvm)/nvm.sh; + fi + - echo -e "Host github.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config + - | # epic build time improvement - see https://github.com/elm-lang/elm-compiler/issues/1473#issuecomment-245704142 + if [ ! -d sysconfcpus/bin ]; + then + git clone https://github.com/obmarg/libsysconfcpus.git; + cd libsysconfcpus; + ./configure --prefix=$TRAVIS_BUILD_DIR/sysconfcpus; + make && make install; + cd ..; + fi + +install: + - npm install -g elm@0.18 elm-test + - mv $(npm config get prefix)/bin/elm-make $(npm config get prefix)/bin/elm-make-old + - printf '%s\n\n' '#!/bin/bash' 'echo "Running elm-make with sysconfcpus -n 2"' '$TRAVIS_BUILD_DIR/sysconfcpus/bin/sysconfcpus -n 2 elm-make-old "$@"' > $(npm config get prefix)/bin/elm-make + - chmod +x $(npm config get prefix)/bin/elm-make + +script: + - bash tests/run-tests.sh diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/CONTRIBUTING.md b/part7/elm-stuff/packages/elm-lang/core/5.1.1/CONTRIBUTING.md new file mode 100644 index 0000000..c8bd8b4 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/CONTRIBUTING.md @@ -0,0 +1,43 @@ +# Contributing to the core libraries + +Thanks helping with the development of Elm! This document describes the basic +standards for opening pull requests and making the review process as smooth as +possible. + +## Ground rules + + * Always make pull requests minimal. If it can be split up, it should be split up. + * Use style consistent with the file you are modifying. + * Use descriptive titles for PRs + * Provide all the necessary context for evaluation in the PR. + If there are relevant issues or examples or discussions, add them. + If things can be summarized, summarize them. The easiest PRs are ones + that already address the reviewers questions and concerns. + +## Documentation Fixes + +If you want to fix docs, just open a PR. This is super helpful! + +## Bug Fixes + +If you find an issue or see one you want to work on, go for it! + +The best strategy is often to dive in. Asking for directions usually +does not work. If someone knew the specifics and knew how how to fix +it, it is likely they would have already sent the PR themselves! + +Also, be sure you are testing. + +## Adding New Functions + +We are fairly conservative about adding new functions to core libraries. +If you want to augment the `List` or `Array` library, we recommend creating +small packages called `list-extras` or `array-extras` that have all the +features you want. There are already several such packages maintained at +the [Elm Community organization](https://github.com/elm-community) that +welcome contributions in the form of pull requests. + +Long term, we will set up a process to review `*-extras` packages to move +stuff into core. By going through packages, it will be much easier to assess +whether a function is pleasant and useful in practice before committing to it +in the core libraries. diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/LICENSE b/part7/elm-stuff/packages/elm-lang/core/5.1.1/LICENSE new file mode 100644 index 0000000..e0419a4 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2014-present, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/README.md b/part7/elm-stuff/packages/elm-lang/core/5.1.1/README.md new file mode 100644 index 0000000..07c3f6e --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/README.md @@ -0,0 +1,34 @@ +# Elm Core Libraries + +[![Build Status](https://travis-ci.org/elm-lang/core.svg?branch=master)](https://travis-ci.org/elm-lang/core) + +Every Elm project needs the core libraries. They provide basic functionality including: + + * The Basics — addition, subtraction, etc. + * Data Structures — lists, dictionaries, sets, etc. + + +## Default Imports + +All Elm files have some default imports: + +```elm +import Basics exposing (..) +import List exposing ( List, (::) ) +import Maybe exposing ( Maybe( Just, Nothing ) ) +import Result exposing ( Result( Ok, Err ) ) +import String +import Tuple + +import Debug + +import Platform exposing ( Program ) +import Platform.Cmd exposing ( Cmd, (!) ) +import Platform.Sub exposing ( Sub ) +``` + +The intention is to include things that are both extremely useful and very +unlikely to overlap with anything that anyone will ever write in a library. +By keeping the set of default imports small, it also becomes easier to use +whatever version of `map` suits your fancy. Finally, it makes it easier to +figure out where the heck a function is coming from. diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/changelog.md b/part7/elm-stuff/packages/elm-lang/core/5.1.1/changelog.md new file mode 100644 index 0000000..9781f2c --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/changelog.md @@ -0,0 +1,143 @@ +# 0.15 + +### Syntax + +New `import` syntax with keyword `exposing`. + +### Module Changes + + * Move `Http` to `elm-http` package and totally redo API + * Remove `WebSocket` module + * Add `Task` module + +### Channels become Mailboxes + +`Graphics.Input` now works with this API (from module `Signal`): + +```elm +type alias Mailbox a = { address : Address a, signal : Signal a } + +mailbox : a -> Mailbox a +``` + +You can then send messages to the `Address` with functions like `Signal.send` +and `Signal.message`, or create forwarding addresses with `Signal.forwardTo`. + +### Text in Collages + +`Graphics.Collage` now has two new functions: + +```elm +text : Text -> Form +outlinedText : LineStyle -> Text -> Form +``` + +These functions render text with the canvas, making things quite a bit faster. +The underlying implementation of `Text` has also been improved dramatically. + +### Miscellaneous + + * Change types of `head`, `tail`, `maximum`, `minimum` by wrapping output in `Maybe` + * Move `leftAligned`, `centered`, `rightAligned` from `Text` to `Graphics.Element` + * Move `asText` from `Text` to `Graphics.Element`, renaming it to `show` in the process + * Remove `Text.plainText` (can be replaced by `Graphics.Element.leftAligned << Text.fromString`) + * Change type of `Keyboard.keysDown` from `Signal (List KeyCode)` to `Signal (Set KeyCode)` + * Remove `Keyboard.directions` + * Rename `Keyboard.lastPressed` to `Keyboard.presses` + + +# 0.14 + +### Syntax + + * Keyword `type` becomes `type alias` + * Keyword `data` becomes `type` + * Remove special list syntax in types, so `[a]` becomes `List a` + + +### Reduce Default Imports + +The set of default imports has been reduced to the following: + +```haskell +import Basics (..) +import Maybe ( Maybe( Just, Nothing ) ) +import Result ( Result( Ok, Err ) ) +import List ( List ) +import Signal ( Signal ) +``` + +### Make JSON parsing easy + + * Added `Json.Decode` and `Json.Encode` libraries + + +### Use more natural names + + * Rename `String.show` to `String.toString` + + * Replace `List.zip` with `List.map2 (,)` + * Replace `List.zipWith f` with `List.map2 f` + + * Rename `Signal.liftN` to `Signal.mapN` + * Rename `Signal.merges` to `Signal.mergeMany` + + +### Simplify Signal Library + + * Revamp `Input` concept as `Signal.Channel` + * Remove `Signal.count` + * Remove `Signal.countIf` + * Remove `Signal.combine` + + +### Randomness Done Right + + * No longer signal-based + * Use a `Generator` to create random values + + + +### Revamp Maybes and Error Handling + + * Add the following functions to `Maybe` + + withDefault : a -> Maybe a -> a + oneOf : List (Maybe a) -> Maybe a + map : (a -> b) -> Maybe a -> Maybe b + andThen : Maybe a -> (a -> Maybe b) -> Maybe b + + * Remove `Maybe.maybe` so `maybe 0 sqrt Nothing` becomes `withDefault 0 (map sqrt Nothing)` + + * Remove `Maybe.isJust` and `Maybe.isNothing` in favor of pattern matching + + * Add `Result` library for proper error handling. This is for cases when + you want a computation to succeed, but if there is a mistake, it should + produce a nice error message. + + * Remove `Either` in favor of `Result` or custom union types + + * Revamp functions that result in a `Maybe`. + + - Remove `Dict.getOrElse` and `Dict.getOrFail` in favor of `withDefault 0 (Dict.get key dict)` + - Remove `Array.getOrElse` and `Array.getOrFail` in favor of `withDefault 0 (Array.get index array)` + - Change `String.toInt : String -> Maybe Int` to `String.toInt : String -> Result String Int` + - Change `String.toFloat : String -> Maybe Float` to `String.toFloat : String -> Result String Float` + + +### Make appending more logical + + * Add the following functions to `Text`: + + empty : Text + append : Text -> Text -> Text + concat : [Text] -> Text + join : Text -> [Text] -> Text + + * Make the following changes in `List`: + - Replace `(++)` with `append` + - Remove `join` + +### Miscellaneous + + * Rename `Text.toText` to `Text.fromString` diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/elm-package.json b/part7/elm-stuff/packages/elm-lang/core/5.1.1/elm-package.json new file mode 100644 index 0000000..2f25729 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/elm-package.json @@ -0,0 +1,38 @@ +{ + "version": "5.1.1", + "summary": "Elm's standard libraries", + "repository": "http://github.com/elm-lang/core.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Array", + "Basics", + "Bitwise", + "Char", + "Color", + "Date", + "Debug", + "Dict", + "Json.Decode", + "Json.Encode", + "List", + "Maybe", + "Platform", + "Platform.Cmd", + "Platform.Sub", + "Process", + "Random", + "Regex", + "Result", + "Set", + "String", + "Task", + "Time", + "Tuple" + ], + "native-modules": true, + "dependencies": {}, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Array.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Array.elm new file mode 100644 index 0000000..58ae2ba --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Array.elm @@ -0,0 +1,240 @@ +module Array exposing + ( Array + , empty, repeat, initialize, fromList + , isEmpty, length, push, append + , get, set + , slice, toList, toIndexedList + , map, indexedMap, filter, foldl, foldr + ) + +{-| A library for fast immutable arrays. The elements in an array must have the +same type. The arrays are implemented in Relaxed Radix Balanced-Trees for fast +reads, updates, and appends. + +# Arrays +@docs Array + +# Creating Arrays +@docs empty, repeat, initialize, fromList + +# Basics +@docs isEmpty, length, push, append + +# Get and Set +@docs get, set + +# Taking Arrays Apart +@docs slice, toList, toIndexedList + +# Mapping, Filtering, and Folding +@docs map, indexedMap, filter, foldl, foldr +-} + +import Native.Array +import Basics exposing (..) +import Maybe exposing (..) +import List + + +{-| Representation of fast immutable arrays. You can create arrays of integers +(`Array Int`) or strings (`Array String`) or any other type of value you can +dream up. +-} +type Array a = Array + + +{-| Initialize an array. `initialize n f` creates an array of length `n` with +the element at index `i` initialized to the result of `(f i)`. + + initialize 4 identity == fromList [0,1,2,3] + initialize 4 (\n -> n*n) == fromList [0,1,4,9] + initialize 4 (always 0) == fromList [0,0,0,0] +-} +initialize : Int -> (Int -> a) -> Array a +initialize = + Native.Array.initialize + + +{-| Creates an array with a given length, filled with a default element. + + repeat 5 0 == fromList [0,0,0,0,0] + repeat 3 "cat" == fromList ["cat","cat","cat"] + +Notice that `repeat 3 x` is the same as `initialize 3 (always x)`. +-} +repeat : Int -> a -> Array a +repeat n e = + initialize n (always e) + + +{-| Create an array from a list. +-} +fromList : List a -> Array a +fromList = + Native.Array.fromList + + +{-| Create a list of elements from an array. + + toList (fromList [3,5,8]) == [3,5,8] +-} +toList : Array a -> List a +toList = + Native.Array.toList + + +-- TODO: make this a native function. +{-| Create an indexed list from an array. Each element of the array will be +paired with its index. + + toIndexedList (fromList ["cat","dog"]) == [(0,"cat"), (1,"dog")] +-} +toIndexedList : Array a -> List (Int, a) +toIndexedList array = + List.map2 + (,) + (List.range 0 (Native.Array.length array - 1)) + (Native.Array.toList array) + + +{-| Apply a function on every element in an array. + + map sqrt (fromList [1,4,9]) == fromList [1,2,3] +-} +map : (a -> b) -> Array a -> Array b +map = + Native.Array.map + + +{-| Apply a function on every element with its index as first argument. + + indexedMap (*) (fromList [5,5,5]) == fromList [0,5,10] +-} +indexedMap : (Int -> a -> b) -> Array a -> Array b +indexedMap = + Native.Array.indexedMap + + +{-| Reduce an array from the left. Read `foldl` as “fold from the left”. + + foldl (::) [] (fromList [1,2,3]) == [3,2,1] +-} +foldl : (a -> b -> b) -> b -> Array a -> b +foldl = + Native.Array.foldl + + +{-| Reduce an array from the right. Read `foldr` as “fold from the right”. + + foldr (+) 0 (repeat 3 5) == 15 +-} +foldr : (a -> b -> b) -> b -> Array a -> b +foldr = + Native.Array.foldr + + +{-| Keep only elements that satisfy the predicate: + + filter isEven (fromList [1,2,3,4,5,6]) == (fromList [2,4,6]) +-} +filter : (a -> Bool) -> Array a -> Array a +filter isOkay arr = + let + update x xs = + if isOkay x then + Native.Array.push x xs + else + xs + in + Native.Array.foldl update Native.Array.empty arr + +{-| Return an empty array. + + length empty == 0 +-} +empty : Array a +empty = + Native.Array.empty + + +{-| Push an element to the end of an array. + + push 3 (fromList [1,2]) == fromList [1,2,3] +-} +push : a -> Array a -> Array a +push = + Native.Array.push + + +{-| Return Just the element at the index or Nothing if the index is out of range. + + get 0 (fromList [0,5,3]) == Just 0 + get 2 (fromList [0,5,3]) == Just 3 + get 5 (fromList [0,5,3]) == Nothing + get -1 (fromList [0,5,3]) == Nothing + +-} +get : Int -> Array a -> Maybe a +get i array = + if 0 <= i && i < Native.Array.length array then + Just (Native.Array.get i array) + else + Nothing + + +{-| Set the element at a particular index. Returns an updated array. +If the index is out of range, the array is unaltered. + + set 1 7 (fromList [1,2,3]) == fromList [1,7,3] +-} +set : Int -> a -> Array a -> Array a +set = + Native.Array.set + + +{-| Get a sub-section of an array: `(slice start end array)`. The `start` is a +zero-based index where we will start our slice. The `end` is a zero-based index +that indicates the end of the slice. The slice extracts up to but not including +`end`. + + slice 0 3 (fromList [0,1,2,3,4]) == fromList [0,1,2] + slice 1 4 (fromList [0,1,2,3,4]) == fromList [1,2,3] + +Both the `start` and `end` indexes can be negative, indicating an offset from +the end of the array. + + slice 1 -1 (fromList [0,1,2,3,4]) == fromList [1,2,3] + slice -2 5 (fromList [0,1,2,3,4]) == fromList [3,4] + +This makes it pretty easy to `pop` the last element off of an array: `slice 0 -1 array` +-} +slice : Int -> Int -> Array a -> Array a +slice = + Native.Array.slice + + +{-| Return the length of an array. + + length (fromList [1,2,3]) == 3 +-} +length : Array a -> Int +length = + Native.Array.length + + +{-| Determine if an array is empty. + + isEmpty empty == True +-} +isEmpty : Array a -> Bool +isEmpty array = + length array == 0 + + +{-| Append two arrays to a new one. + + append (repeat 2 42) (repeat 3 81) == fromList [42,42,81,81,81] +-} +append : Array a -> Array a -> Array a +append = + Native.Array.append diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Basics.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Basics.elm new file mode 100644 index 0000000..2d06c86 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Basics.elm @@ -0,0 +1,650 @@ +module Basics exposing + ( (==), (/=) + , (<), (>), (<=), (>=), max, min, Order (..), compare + , not, (&&), (||), xor + , (+), (-), (*), (/), (^), (//), rem, (%), negate, abs, sqrt, clamp, logBase, e + , pi, cos, sin, tan, acos, asin, atan, atan2 + , round, floor, ceiling, truncate, toFloat + , degrees, radians, turns + , toPolar, fromPolar + , isNaN, isInfinite + , toString, (++) + , identity, always, (<|), (|>), (<<), (>>), flip, curry, uncurry, Never, never + ) + +{-| Tons of useful functions that get imported by default. + +# Equality +@docs (==), (/=) + +# Comparison + +These functions only work on `comparable` types. This includes numbers, +characters, strings, lists of comparable things, and tuples of comparable +things. Note that tuples with 7 or more elements are not comparable; why +are your tuples so big? + +@docs (<), (>), (<=), (>=), max, min, Order, compare + +# Booleans +@docs not, (&&), (||), xor + +# Mathematics +@docs (+), (-), (*), (/), (^), (//), rem, (%), negate, abs, sqrt, clamp, logBase, e + +# Trigonometry +@docs pi, cos, sin, tan, acos, asin, atan, atan2 + +# Number Conversions +@docs round, floor, ceiling, truncate, toFloat + +# Angle Conversions +All angle conversions result in “standard Elm angles” +which happen to be radians. + +@docs degrees, radians, turns + +# Polar Coordinates +@docs toPolar, fromPolar + +# Floating Point Checks +@docs isNaN, isInfinite + +# Strings and Lists +@docs toString, (++) + +# Higher-Order Helpers +@docs identity, always, (<|), (|>), (<<), (>>), flip, curry, uncurry, Never, never + +-} + +import Native.Basics +import Native.Utils + + +{-| Convert radians to standard Elm angles (radians). -} +radians : Float -> Float +radians t = + t + + +{-| Convert degrees to standard Elm angles (radians). -} +degrees : Float -> Float +degrees = + Native.Basics.degrees + + +{-| Convert turns to standard Elm angles (radians). +One turn is equal to 360°. +-} +turns : Float -> Float +turns = + Native.Basics.turns + + +{-| Convert polar coordinates (r,θ) to Cartesian coordinates (x,y). -} +fromPolar : (Float,Float) -> (Float,Float) +fromPolar = + Native.Basics.fromPolar + + +{-| Convert Cartesian coordinates (x,y) to polar coordinates (r,θ). -} +toPolar : (Float,Float) -> (Float,Float) +toPolar = + Native.Basics.toPolar + + +{-|-} +(+) : number -> number -> number +(+) = + Native.Basics.add + + +{-|-} +(-) : number -> number -> number +(-) = + Native.Basics.sub + + +{-|-} +(*) : number -> number -> number +(*) = + Native.Basics.mul + + +{-| Floating point division. -} +(/) : Float -> Float -> Float +(/) = + Native.Basics.floatDiv + + +infixl 6 + +infixl 6 - +infixl 7 * +infixl 7 / +infixr 8 ^ + +infixl 7 // +infixl 7 % + + +{-| Integer division. The remainder is discarded. -} +(//) : Int -> Int -> Int +(//) = + Native.Basics.div + + +{-| Find the remainder after dividing one number by another. + + rem 11 4 == 3 + rem 12 4 == 0 + rem 13 4 == 1 + rem -1 4 == -1 +-} +rem : Int -> Int -> Int +rem = + Native.Basics.rem + + +{-| Perform [modular arithmetic](http://en.wikipedia.org/wiki/Modular_arithmetic). + + 7 % 2 == 1 + -1 % 4 == 3 +-} +(%) : Int -> Int -> Int +(%) = + Native.Basics.mod + + +{-| Exponentiation + + 3^2 == 9 +-} +(^) : number -> number -> number +(^) = + Native.Basics.exp + + +{-|-} +cos : Float -> Float +cos = + Native.Basics.cos + + +{-|-} +sin : Float -> Float +sin = + Native.Basics.sin + + +{-|-} +tan : Float -> Float +tan = + Native.Basics.tan + + +{-|-} +acos : Float -> Float +acos = + Native.Basics.acos + + +{-|-} +asin : Float -> Float +asin = + Native.Basics.asin + + +{-| You probably do not want to use this. It takes `(y/x)` as the +argument, so there is no way to know whether the negative signs comes from +the `y` or `x`. Thus, the resulting angle is always between π/2 and -π/2 +(in quadrants I and IV). You probably want to use `atan2` instead. +-} +atan : Float -> Float +atan = + Native.Basics.atan + + +{-| This helps you find the angle of a Cartesian coordinate. +You will almost certainly want to use this instead of `atan`. +So `atan2 y x` computes *atan(y/x)* but also keeps track of which +quadrant the angle should really be in. The result will be between +π and -π, giving you the full range of angles. +-} +atan2 : Float -> Float -> Float +atan2 = + Native.Basics.atan2 + + +{-| Take the square root of a number. -} +sqrt : Float -> Float +sqrt = + Native.Basics.sqrt + + +{-| Negate a number. + + negate 42 == -42 + negate -42 == 42 + negate 0 == 0 +-} +negate : number -> number +negate = + Native.Basics.negate + + +{-| Take the absolute value of a number. -} +abs : number -> number +abs = + Native.Basics.abs + + +{-| Calculate the logarithm of a number with a given base. + + logBase 10 100 == 2 + logBase 2 256 == 8 +-} +logBase : Float -> Float -> Float +logBase = + Native.Basics.logBase + + +{-| Clamps a number within a given range. With the expression +`clamp 100 200 x` the results are as follows: + + 100 if x < 100 + x if 100 <= x < 200 + 200 if 200 <= x +-} +clamp : number -> number -> number -> number +clamp = + Native.Basics.clamp + + +{-| An approximation of pi. -} +pi : Float +pi = + Native.Basics.pi + + +{-| An approximation of e. -} +e : Float +e = + Native.Basics.e + + +{-| Check if values are “the same”. + +**Note:** Elm uses structural equality on tuples, records, and user-defined +union types. This means the values `(3, 4)` and `(3, 4)` are definitely equal. +This is not true in languages like JavaScript that use reference equality on +objects. + +**Note:** Equality (in the Elm sense) is not possible for certain types. For +example, the functions `(\n -> n + 1)` and `(\n -> 1 + n)` are “the +same” but detecting this in general is [undecidable][]. In a future +release, the compiler will detect when `(==)` is used with problematic +types and provide a helpful error message. This will require quite serious +infrastructure work that makes sense to batch with another big project, so the +stopgap is to crash as quickly as possible. Problematic types include functions +and JavaScript values like `Json.Encode.Value` which could contain functions +if passed through a port. + +[undecidable]: https://en.wikipedia.org/wiki/Undecidable_problem +-} +(==) : a -> a -> Bool +(==) = + Native.Basics.eq + + +{-| Check if values are not “the same”. + +So `(a /= b)` is the same as `(not (a == b))`. +-} +(/=) : a -> a -> Bool +(/=) = + Native.Basics.neq + + +{-|-} +(<) : comparable -> comparable -> Bool +(<) = + Native.Basics.lt + + +{-|-} +(>) : comparable -> comparable -> Bool +(>) = + Native.Basics.gt + + +{-|-} +(<=) : comparable -> comparable -> Bool +(<=) = + Native.Basics.le + + +{-|-} +(>=) : comparable -> comparable -> Bool +(>=) = + Native.Basics.ge + + +infix 4 == +infix 4 /= +infix 4 < +infix 4 > +infix 4 <= +infix 4 >= + + +{-| Compare any two comparable values. Comparable values include `String`, `Char`, +`Int`, `Float`, `Time`, or a list or tuple containing comparable values. +These are also the only values that work as `Dict` keys or `Set` members. +-} +compare : comparable -> comparable -> Order +compare = + Native.Basics.compare + + +{-| Represents the relative ordering of two things. +The relations are less than, equal to, and greater than. +-} +type Order = LT | EQ | GT + + +{-| Find the smaller of two comparables. -} +min : comparable -> comparable -> comparable +min = + Native.Basics.min + + +{-| Find the larger of two comparables. -} +max : comparable -> comparable -> comparable +max = + Native.Basics.max + + +{-| The logical AND operator. `True` if both inputs are `True`. + +**Note:** When used in the infix position, like `(left && right)`, the operator +short-circuits. This means if `left` is `False` we do not bother evaluating `right` +and just return `False` overall. +-} +(&&) : Bool -> Bool -> Bool +(&&) = + Native.Basics.and + + +{-| The logical OR operator. `True` if one or both inputs are `True`. + +**Note:** When used in the infix position, like `(left || right)`, the operator +short-circuits. This means if `left` is `True` we do not bother evaluating `right` +and just return `True` overall. +-} +(||) : Bool -> Bool -> Bool +(||) = + Native.Basics.or + + +infixr 3 && +infixr 2 || + + +{-| The exclusive-or operator. `True` if exactly one input is `True`. -} +xor : Bool -> Bool -> Bool +xor = + Native.Basics.xor + + +{-| Negate a boolean value. + + not True == False + not False == True +-} +not : Bool -> Bool +not = + Native.Basics.not + + +-- Conversions + +{-| Round a number to the nearest integer. -} +round : Float -> Int +round = + Native.Basics.round + + +{-| Truncate a number, rounding towards zero. -} +truncate : Float -> Int +truncate = + Native.Basics.truncate + + +{-| Floor function, rounding down. -} +floor : Float -> Int +floor = + Native.Basics.floor + + +{-| Ceiling function, rounding up. -} +ceiling : Float -> Int +ceiling = + Native.Basics.ceiling + + +{-| Convert an integer into a float. -} +toFloat : Int -> Float +toFloat = + Native.Basics.toFloat + + +{-| Determine whether a float is an undefined or unrepresentable number. +NaN stands for *not a number* and it is [a standardized part of floating point +numbers](http://en.wikipedia.org/wiki/NaN). + + isNaN (0/0) == True + isNaN (sqrt -1) == True + isNaN (1/0) == False -- infinity is a number + isNaN 1 == False +-} +isNaN : Float -> Bool +isNaN = + Native.Basics.isNaN + + +{-| Determine whether a float is positive or negative infinity. + + isInfinite (0/0) == False + isInfinite (sqrt -1) == False + isInfinite (1/0) == True + isInfinite 1 == False + +Notice that NaN is not infinite! For float `n` to be finite implies that +`not (isInfinite n || isNaN n)` evaluates to `True`. +-} +isInfinite : Float -> Bool +isInfinite = + Native.Basics.isInfinite + + +{-| Turn any kind of value into a string. When you view the resulting string +with `Text.fromString` it should look just like the value it came from. + + toString 42 == "42" + toString [1,2] == "[1,2]" + toString "he said, \"hi\"" == "\"he said, \\\"hi\\\"\"" +-} +toString : a -> String +toString = + Native.Utils.toString + + +{-| Put two appendable things together. This includes strings, lists, and text. + + "hello" ++ "world" == "helloworld" + [1,1,2] ++ [3,5,8] == [1,1,2,3,5,8] +-} +(++) : appendable -> appendable -> appendable +(++) = + Native.Utils.append + + +infixr 5 ++ + + +-- Function Helpers + +{-| Function composition, passing results along in the suggested direction. For +example, the following code checks if the square root of a number is odd: + + not << isEven << sqrt + +You can think of this operator as equivalent to the following: + + (g << f) == (\x -> g (f x)) + +So our example expands out to something like this: + + \n -> not (isEven (sqrt n)) +-} +(<<) : (b -> c) -> (a -> b) -> (a -> c) +(<<) g f x = + g (f x) + + +{-| Function composition, passing results along in the suggested direction. For +example, the following code checks if the square root of a number is odd: + + sqrt >> isEven >> not + +This direction of function composition seems less pleasant than `(<<)` which +reads nicely in expressions like: `filter (not << isRegistered) students` +-} +(>>) : (a -> b) -> (b -> c) -> (a -> c) +(>>) f g x = + g (f x) + + +{-| Forward function application `x |> f == f x`. This function is useful +for avoiding parentheses and writing code in a more natural way. +Consider the following code to create a pentagon: + + scale 2 (move (10,10) (filled blue (ngon 5 30))) + +This can also be written as: + + ngon 5 30 + |> filled blue + |> move (10,10) + |> scale 2 +-} +(|>) : a -> (a -> b) -> b +(|>) x f = + f x + + +{-| Backward function application `f <| x == f x`. This function is useful for +avoiding parentheses. Consider the following code to create a text element: + + leftAligned (monospace (fromString "code")) + +This can also be written as: + + leftAligned <| monospace <| fromString "code" +-} +(<|) : (a -> b) -> a -> b +(<|) f x = + f x + + +infixr 9 << +infixl 9 >> +infixr 0 <| +infixl 0 |> + + +{-| Given a value, returns exactly the same value. This is called +[the identity function](http://en.wikipedia.org/wiki/Identity_function). +-} +identity : a -> a +identity x = + x + + +{-| Create a function that *always* returns the same value. Useful with +functions like `map`: + + List.map (always 0) [1,2,3,4,5] == [0,0,0,0,0] + + -- List.map (\_ -> 0) [1,2,3,4,5] == [0,0,0,0,0] + -- always = (\x _ -> x) +-} +always : a -> b -> a +always a _ = + a + + +{-| Flip the order of the first two arguments to a function. -} +flip : (a -> b -> c) -> (b -> a -> c) +flip f b a = + f a b + + +{-| Change how arguments are passed to a function. +This splits paired arguments into two separate arguments. +-} +curry : ((a,b) -> c) -> a -> b -> c +curry f a b = + f (a,b) + + +{-| Change how arguments are passed to a function. +This combines two arguments into a single pair. +-} +uncurry : (a -> b -> c) -> (a,b) -> c +uncurry f (a,b) = + f a b + + +{-| A value that can never happen! For context: + + - The boolean type `Bool` has two values: `True` and `False` + - The unit type `()` has one value: `()` + - The never type `Never` has no values! + +You may see it in the wild in `Html Never` which means this HTML will never +produce any messages. You would need to write an event handler like +`onClick ??? : Attribute Never` but how can we fill in the question marks?! +So there cannot be any event handlers on that HTML. + +You may also see this used with tasks that never fail, like `Task Never ()`. + +The `Never` type is useful for restricting *arguments* to a function. Maybe my +API can only accept HTML without event handlers, so I require `Html Never` and +users can give `Html msg` and everything will go fine. Generally speaking, you +do not want `Never` in your return types though. +-} +type Never = JustOneMore Never + + +{-| A function that can never be called. Seems extremely pointless, but it +*can* come in handy. Imagine you have some HTML that should never produce any +messages. And say you want to use it in some other HTML that *does* produce +messages. You could say: + + import Html exposing (..) + + embedHtml : Html Never -> Html msg + embedHtml staticStuff = + div [] + [ text "hello" + , Html.map never staticStuff + ] + +So the `never` function is basically telling the type system, make sure no one +ever calls me! +-} +never : Never -> a +never (JustOneMore nvr) = + never nvr diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Bitwise.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Bitwise.elm new file mode 100644 index 0000000..14c7a82 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Bitwise.elm @@ -0,0 +1,90 @@ +module Bitwise exposing + ( and, or, xor, complement + , shiftLeftBy, shiftRightBy, shiftRightZfBy + ) + +{-| Library for [bitwise operations](http://en.wikipedia.org/wiki/Bitwise_operation). + +# Basic Operations +@docs and, or, xor, complement + +# Bit Shifts +@docs shiftLeftBy, shiftRightBy, shiftRightZfBy +-} + +import Native.Bitwise + + +{-| Bitwise AND +-} +and : Int -> Int -> Int +and = + Native.Bitwise.and + + +{-| Bitwise OR +-} +or : Int -> Int -> Int +or = + Native.Bitwise.or + + +{-| Bitwise XOR +-} +xor : Int -> Int -> Int +xor = + Native.Bitwise.xor + + +{-| Flip each bit individually, often called bitwise NOT +-} +complement : Int -> Int +complement = + Native.Bitwise.complement + + +{-| Shift bits to the left by a given offset, filling new bits with zeros. +This can be used to multiply numbers by powers of two. + + shiftLeftBy 1 5 == 10 + shiftLeftBy 5 1 == 32 +-} +shiftLeftBy : Int -> Int -> Int +shiftLeftBy = + Native.Bitwise.shiftLeftBy + + +{-| Shift bits to the right by a given offset, filling new bits with +whatever is the topmost bit. This can be used to divide numbers by powers of two. + + shiftRightBy 1 32 == 16 + shiftRightBy 2 32 == 8 + shiftRightBy 1 -32 == -16 + +This is called an [arithmetic right shift][ars], often written (>>), and +sometimes called a sign-propagating right shift because it fills empty spots +with copies of the highest bit. + +[ars]: http://en.wikipedia.org/wiki/Bitwise_operation#Arithmetic_shift +-} +shiftRightBy : Int -> Int -> Int +shiftRightBy = + Native.Bitwise.shiftRightBy + + +{-| Shift bits to the right by a given offset, filling new bits with zeros. + + shiftRightZfBy 1 32 == 16 + shiftRightZfBy 2 32 == 8 + shiftRightZfBy 1 -32 == 2147483632 + +This is called an [logical right shift][lrs], often written (>>>), and +sometimes called a zero-fill right shift because it fills empty spots with +zeros. + +[lrs]: http://en.wikipedia.org/wiki/Bitwise_operation#Logical_shift +-} +shiftRightZfBy : Int -> Int -> Int +shiftRightZfBy = + Native.Bitwise.shiftRightZfBy + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Char.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Char.elm new file mode 100644 index 0000000..288f50b --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Char.elm @@ -0,0 +1,103 @@ +module Char exposing + ( isUpper, isLower, isDigit, isOctDigit, isHexDigit + , toUpper, toLower, toLocaleUpper, toLocaleLower + , KeyCode, toCode, fromCode + ) + +{-| Functions for working with characters. Character literals are enclosed in +`'a'` pair of single quotes. + +# Classification +@docs isUpper, isLower, isDigit, isOctDigit, isHexDigit + +# Conversion +@docs toUpper, toLower, toLocaleUpper, toLocaleLower + +# Key Codes +@docs KeyCode, toCode, fromCode + +-} + +import Native.Char +import Basics exposing ((&&), (||), (>=), (<=)) + + +isBetween : Char -> Char -> Char -> Bool +isBetween low high char = + let code = toCode char + in + (code >= toCode low) && (code <= toCode high) + + +{-| True for upper case ASCII letters. -} +isUpper : Char -> Bool +isUpper = + isBetween 'A' 'Z' + + +{-| True for lower case ASCII letters. -} +isLower : Char -> Bool +isLower = + isBetween 'a' 'z' + + +{-| True for ASCII digits `[0-9]`. -} +isDigit : Char -> Bool +isDigit = + isBetween '0' '9' + + +{-| True for ASCII octal digits `[0-7]`. -} +isOctDigit : Char -> Bool +isOctDigit = + isBetween '0' '7' + + +{-| True for ASCII hexadecimal digits `[0-9a-fA-F]`. -} +isHexDigit : Char -> Bool +isHexDigit char = + isDigit char || isBetween 'a' 'f' char || isBetween 'A' 'F' char + + +{-| Convert to upper case. -} +toUpper : Char -> Char +toUpper = + Native.Char.toUpper + + +{-| Convert to lower case. -} +toLower : Char -> Char +toLower = + Native.Char.toLower + + +{-| Convert to upper case, according to any locale-specific case mappings. -} +toLocaleUpper : Char -> Char +toLocaleUpper = + Native.Char.toLocaleUpper + + +{-| Convert to lower case, according to any locale-specific case mappings. -} +toLocaleLower : Char -> Char +toLocaleLower = + Native.Char.toLocaleLower + + +{-| Keyboard keys can be represented as integers. These are called *key codes*. +You can use [`toCode`](#toCode) and [`fromCode`](#fromCode) to convert between +key codes and characters. +-} +type alias KeyCode = Int + + +{-| Convert to key code. +-} +toCode : Char -> KeyCode +toCode = + Native.Char.toCode + + +{-| Convert from key code. -} +fromCode : KeyCode -> Char +fromCode = + Native.Char.fromCode diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Color.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Color.elm new file mode 100644 index 0000000..d150240 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Color.elm @@ -0,0 +1,456 @@ +module Color exposing + ( Color, rgb, rgba, hsl, hsla, greyscale, grayscale, complement + , Gradient, linear, radial + , toRgb, toHsl + , red, orange, yellow, green, blue, purple, brown + , lightRed, lightOrange, lightYellow, lightGreen, lightBlue, lightPurple, lightBrown + , darkRed, darkOrange, darkYellow, darkGreen, darkBlue, darkPurple, darkBrown + , white, lightGrey, grey, darkGrey, lightCharcoal, charcoal, darkCharcoal, black + , lightGray, gray, darkGray + ) + +{-| Library for working with colors. Includes +[RGB](https://en.wikipedia.org/wiki/RGB_color_model) and +[HSL](http://en.wikipedia.org/wiki/HSL_and_HSV) creation, gradients, and +built-in names. + +# Colors +@docs Color + +# Creation +@docs rgb, rgba, hsl, hsla, greyscale, grayscale, complement + +# Gradients +@docs Gradient, linear, radial + +# Extracting Colors +@docs toRgb, toHsl + +# Built-in Colors +These colors come from the [Tango +palette](http://tango.freedesktop.org/Tango_Icon_Theme_Guidelines) +which provides aesthetically reasonable defaults for colors. Each color also +comes with a light and dark version. + +### Standard +@docs red, orange, yellow, green, blue, purple, brown + +### Light +@docs lightRed, lightOrange, lightYellow, lightGreen, lightBlue, lightPurple, lightBrown + +### Dark +@docs darkRed, darkOrange, darkYellow, darkGreen, darkBlue, darkPurple, darkBrown + +### Eight Shades of Grey +These colors are a compatible series of shades of grey, fitting nicely +with the Tango palette. +@docs white, lightGrey, grey, darkGrey, lightCharcoal, charcoal, darkCharcoal, black + +These are identical to the *grey* versions. It seems the spelling is regional, but +that has never helped me remember which one I should be writing. +@docs lightGray, gray, darkGray + +-} + +import Basics exposing (..) + + +{-| Representation of colors. +-} +type Color + = RGBA Int Int Int Float + | HSLA Float Float Float Float + + +{-| Create RGB colors with an alpha component for transparency. +The alpha component is specified with numbers between 0 and 1. -} +rgba : Int -> Int -> Int -> Float -> Color +rgba = + RGBA + + +{-| Create RGB colors from numbers between 0 and 255 inclusive. -} +rgb : Int -> Int -> Int -> Color +rgb r g b = + RGBA r g b 1 + + +{-| Create [HSL colors](http://en.wikipedia.org/wiki/HSL_and_HSV) +with an alpha component for transparency. +-} +hsla : Float -> Float -> Float -> Float -> Color +hsla hue saturation lightness alpha = + HSLA (hue - turns (toFloat (floor (hue / (2*pi))))) saturation lightness alpha + + +{-| Create [HSL colors](http://en.wikipedia.org/wiki/HSL_and_HSV). This gives +you access to colors more like a color wheel, where all hues are arranged in a +circle that you specify with standard Elm angles (radians). + + red = hsl (degrees 0) 1 0.5 + green = hsl (degrees 120) 1 0.5 + blue = hsl (degrees 240) 1 0.5 + + pastelRed = hsl (degrees 0) 0.7 0.7 + +To cycle through all colors, just cycle through degrees. The saturation level +is how vibrant the color is, like a dial between grey and bright colors. The +lightness level is a dial between white and black. +-} +hsl : Float -> Float -> Float -> Color +hsl hue saturation lightness = + hsla hue saturation lightness 1 + + +{-| Produce a gray based on the input. 0 is white, 1 is black. +-} +grayscale : Float -> Color +grayscale p = + HSLA 0 0 (1-p) 1 + + +{-| Produce a gray based on the input. 0 is white, 1 is black. +-} +greyscale : Float -> Color +greyscale p = + HSLA 0 0 (1-p) 1 + + +{-| Produce a “complementary color”. The two colors will +accent each other. This is the same as rotating the hue by 180°. +-} +complement : Color -> Color +complement color = + case color of + HSLA h s l a -> + hsla (h + degrees 180) s l a + + RGBA r g b a -> + let + (h,s,l) = rgbToHsl r g b + in + hsla (h + degrees 180) s l a + + +{-| Extract the components of a color in the HSL format. +-} +toHsl : Color -> { hue:Float, saturation:Float, lightness:Float, alpha:Float } +toHsl color = + case color of + HSLA h s l a -> + { hue=h, saturation=s, lightness=l, alpha=a } + + RGBA r g b a -> + let + (h,s,l) = rgbToHsl r g b + in + { hue=h, saturation=s, lightness=l, alpha=a } + + +{-| Extract the components of a color in the RGB format. +-} +toRgb : Color -> { red:Int, green:Int, blue:Int, alpha:Float } +toRgb color = + case color of + RGBA r g b a -> + { red = r, green = g, blue = b, alpha = a } + + HSLA h s l a -> + let + (r,g,b) = hslToRgb h s l + in + { red = round (255 * r) + , green = round (255 * g) + , blue = round (255 * b) + , alpha = a + } + + +fmod : Float -> Int -> Float +fmod f n = + let + integer = floor f + in + toFloat (integer % n) + f - toFloat integer + + +rgbToHsl : Int -> Int -> Int -> (Float,Float,Float) +rgbToHsl red green blue = + let + r = toFloat red / 255 + g = toFloat green / 255 + b = toFloat blue / 255 + + cMax = max (max r g) b + cMin = min (min r g) b + + c = cMax - cMin + + hue = + degrees 60 * + if cMax == r then + fmod ((g - b) / c) 6 + else if cMax == g then + ((b - r) / c) + 2 + else {- cMax == b -} + ((r - g) / c) + 4 + + lightness = + (cMax + cMin) / 2 + + saturation = + if lightness == 0 then + 0 + else + c / (1 - abs (2 * lightness - 1)) + in + (hue, saturation, lightness) + + +hslToRgb : Float -> Float -> Float -> (Float,Float,Float) +hslToRgb hue saturation lightness = + let + chroma = (1 - abs (2 * lightness - 1)) * saturation + normHue = hue / degrees 60 + + x = chroma * (1 - abs (fmod normHue 2 - 1)) + + (r,g,b) = + if normHue < 0 then (0, 0, 0) + else if normHue < 1 then (chroma, x, 0) + else if normHue < 2 then (x, chroma, 0) + else if normHue < 3 then (0, chroma, x) + else if normHue < 4 then (0, x, chroma) + else if normHue < 5 then (x, 0, chroma) + else if normHue < 6 then (chroma, 0, x) + else (0, 0, 0) + + m = lightness - chroma / 2 + in + (r + m, g + m, b + m) + + +--toV3 : Color -> V3 + +--toV4 : Color -> V4 + +{-| Abstract representation of a color gradient. +-} +type Gradient + = Linear (Float,Float) (Float,Float) (List (Float,Color)) + | Radial (Float,Float) Float (Float,Float) Float (List (Float,Color)) + + +{-| Create a linear gradient. Takes a start and end point and then a series of +“color stops” that indicate how to interpolate between the start and +end points. See [this example](http://elm-lang.org/examples/linear-gradient) for a +more visual explanation. +-} +linear : (Float, Float) -> (Float, Float) -> List (Float,Color) -> Gradient +linear = + Linear + + +{-| Create a radial gradient. First takes a start point and inner radius. Then +takes an end point and outer radius. It then takes a series of “color +stops” that indicate how to interpolate between the inner and outer +circles. See [this example](http://elm-lang.org/examples/radial-gradient) for a +more visual explanation. +-} +radial : (Float,Float) -> Float -> (Float,Float) -> Float -> List (Float,Color) -> Gradient +radial = + Radial + + +-- BUILT-IN COLORS + +{-|-} +lightRed : Color +lightRed = + RGBA 239 41 41 1 + + +{-|-} +red : Color +red = + RGBA 204 0 0 1 + + +{-|-} +darkRed : Color +darkRed = + RGBA 164 0 0 1 + + +{-|-} +lightOrange : Color +lightOrange = + RGBA 252 175 62 1 + + +{-|-} +orange : Color +orange = + RGBA 245 121 0 1 + + +{-|-} +darkOrange : Color +darkOrange = + RGBA 206 92 0 1 + + +{-|-} +lightYellow : Color +lightYellow = + RGBA 255 233 79 1 + + +{-|-} +yellow : Color +yellow = + RGBA 237 212 0 1 + + +{-|-} +darkYellow : Color +darkYellow = + RGBA 196 160 0 1 + + +{-|-} +lightGreen : Color +lightGreen = + RGBA 138 226 52 1 + + +{-|-} +green : Color +green = + RGBA 115 210 22 1 + + +{-|-} +darkGreen : Color +darkGreen = + RGBA 78 154 6 1 + + +{-|-} +lightBlue : Color +lightBlue = + RGBA 114 159 207 1 + + +{-|-} +blue : Color +blue = + RGBA 52 101 164 1 + + +{-|-} +darkBlue : Color +darkBlue = + RGBA 32 74 135 1 + + +{-|-} +lightPurple : Color +lightPurple = + RGBA 173 127 168 1 + + +{-|-} +purple : Color +purple = + RGBA 117 80 123 1 + + +{-|-} +darkPurple : Color +darkPurple = + RGBA 92 53 102 1 + + +{-|-} +lightBrown : Color +lightBrown = + RGBA 233 185 110 1 + + +{-|-} +brown : Color +brown = + RGBA 193 125 17 1 + + +{-|-} +darkBrown : Color +darkBrown = + RGBA 143 89 2 1 + + +{-|-} +black : Color +black = + RGBA 0 0 0 1 + + +{-|-} +white : Color +white = + RGBA 255 255 255 1 + + +{-|-} +lightGrey : Color +lightGrey = + RGBA 238 238 236 1 + + +{-|-} +grey : Color +grey = + RGBA 211 215 207 1 + + +{-|-} +darkGrey : Color +darkGrey = + RGBA 186 189 182 1 + + +{-|-} +lightGray : Color +lightGray = + RGBA 238 238 236 1 + + +{-|-} +gray : Color +gray = + RGBA 211 215 207 1 + + +{-|-} +darkGray : Color +darkGray = + RGBA 186 189 182 1 + + +{-|-} +lightCharcoal : Color +lightCharcoal = + RGBA 136 138 133 1 + + +{-|-} +charcoal : Color +charcoal = + RGBA 85 87 83 1 + + +{-|-} +darkCharcoal : Color +darkCharcoal = + RGBA 46 52 54 1 diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Date.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Date.elm new file mode 100644 index 0000000..0d62982 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Date.elm @@ -0,0 +1,150 @@ +module Date exposing + ( Date, fromString, toTime, fromTime + , year, month, Month(..) + , day, dayOfWeek, Day(..) + , hour, minute, second, millisecond + , now + ) + +{-| Library for working with dates. Email the mailing list if you encounter +issues with internationalization or locale formatting. + +# Dates +@docs Date, now + +# Conversions +@docs fromString, toTime, fromTime + +# Extractions +@docs year, month, Month, day, dayOfWeek, Day, hour, minute, second, millisecond + +-} + +import Native.Date +import Task exposing (Task) +import Time exposing (Time) +import Result exposing (Result) + + + +-- DATES + + +{-| Representation of a date. +-} +type Date = Date + + +{-| Get the `Date` at the moment when this task is run. +-} +now : Task x Date +now = + Task.map fromTime Time.now + + + +-- CONVERSIONS AND EXTRACTIONS + + +{-| Represents the days of the week. +-} +type Day = Mon | Tue | Wed | Thu | Fri | Sat | Sun + + +{-| Represents the month of the year. +-} +type Month + = Jan | Feb | Mar | Apr + | May | Jun | Jul | Aug + | Sep | Oct | Nov | Dec + + +{-| Attempt to read a date from a string. +-} +fromString : String -> Result String Date +fromString = + Native.Date.fromString + + +{-| Convert a `Date` to a time in milliseconds. + +A time is the number of milliseconds since +[the Unix epoch](http://en.wikipedia.org/wiki/Unix_time). +-} +toTime : Date -> Time +toTime = + Native.Date.toTime + + +{-| Convert a time in milliseconds into a `Date`. + +A time is the number of milliseconds since +[the Unix epoch](http://en.wikipedia.org/wiki/Unix_time). +-} +fromTime : Time -> Date +fromTime = + Native.Date.fromTime + + +{-| Extract the year of a given date. Given the date 23 June 1990 at 11:45AM +this returns the integer `1990`. +-} +year : Date -> Int +year = + Native.Date.year + + +{-| Extract the month of a given date. Given the date 23 June 1990 at 11:45AM +this returns the month `Jun` as defined below. +-} +month : Date -> Month +month = + Native.Date.month + + +{-| Extract the day of a given date. Given the date 23 June 1990 at 11:45AM +this returns the integer `23`. +-} +day : Date -> Int +day = + Native.Date.day + + +{-| Extract the day of the week for a given date. Given the date 23 June +1990 at 11:45AM this returns the day `Sat` as defined below. +-} +dayOfWeek : Date -> Day +dayOfWeek = + Native.Date.dayOfWeek + + +{-| Extract the hour of a given date. Given the date 23 June 1990 at 11:45AM +this returns the integer `11`. +-} +hour : Date -> Int +hour = + Native.Date.hour + + +{-| Extract the minute of a given date. Given the date 23 June 1990 at 11:45AM +this returns the integer `45`. +-} +minute : Date -> Int +minute = + Native.Date.minute + + +{-| Extract the second of a given date. Given the date 23 June 1990 at 11:45AM +this returns the integer `0`. +-} +second : Date -> Int +second = + Native.Date.second + + +{-| Extract the millisecond of a given date. Given the date 23 June 1990 at 11:45:30.123AM +this returns the integer `123`. +-} +millisecond : Date -> Int +millisecond = + Native.Date.millisecond diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Debug.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Debug.elm new file mode 100644 index 0000000..49668f5 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Debug.elm @@ -0,0 +1,62 @@ +module Debug exposing + ( log + , crash + ) + +{-| This library is for investigating bugs or performance problems. It should +*not* be used in production code. + +# Debugging +@docs log, crash +-} + +import Native.Debug + + +{-| Log a tagged value on the developer console, and then return the value. + + 1 + log "number" 1 -- equals 2, logs "number: 1" + length (log "start" []) -- equals 0, logs "start: []" + +Notice that `log` is not a pure function! It should *only* be used for +investigating bugs or performance problems. +-} +log : String -> a -> a +log = + Native.Debug.log + + +{-| Crash the program with an error message. This is an uncatchable error, +intended for code that is soon-to-be-implemented. For example, if you are +working with a large ADT and have partially completed a case expression, it may +make sense to do this: + + type Entity = Ship | Fish | Captain | Seagull + + drawEntity entity = + case entity of + Ship -> + ... + + Fish -> + ... + + _ -> + Debug.crash "TODO" + +The Elm compiler recognizes each `Debug.crash` and when you run into it at +runtime, the error will point to the corresponding module name and line number. +For `case` expressions that ends with a wildcard pattern and a crash, it will +also show the value that snuck through. In our example, that'd be `Captain` or +`Seagull`. + +**Use this if** you want to do some testing while you are partway through +writing a function. + +**Do not use this if** you want to do some typical try-catch exception handling. +Use the [`Maybe`](Maybe) or [`Result`](Result) libraries instead. +-} +crash : String -> a +crash = + Native.Debug.crash + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Dict.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Dict.elm new file mode 100644 index 0000000..0bb9501 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Dict.elm @@ -0,0 +1,661 @@ +module Dict exposing + ( Dict + , empty, singleton, insert, update + , isEmpty, get, remove, member, size + , filter + , partition + , foldl, foldr, map + , union, intersect, diff, merge + , keys, values + , toList, fromList + ) + +{-| A dictionary mapping unique keys to values. The keys can be any comparable +type. This includes `Int`, `Float`, `Time`, `Char`, `String`, and tuples or +lists of comparable types. + +Insert, remove, and query operations all take *O(log n)* time. + +# Dictionaries +@docs Dict + +# Build +@docs empty, singleton, insert, update, remove + +# Query +@docs isEmpty, member, get, size + +# Lists +@docs keys, values, toList, fromList + +# Transform +@docs map, foldl, foldr, filter, partition + +# Combine +@docs union, intersect, diff, merge + +-} + + +import Basics exposing (..) +import Maybe exposing (..) +import List exposing (..) +import Native.Debug +import String + + + +-- DICTIONARIES + + +-- BBlack and NBlack should only be used during the deletion +-- algorithm. Any other occurrence is a bug and should fail an assert. +type NColor + = Red + | Black + | BBlack -- Double Black, counts as 2 blacks for the invariant + | NBlack -- Negative Black, counts as -1 blacks for the invariant + + +type LeafColor + = LBlack + | LBBlack -- Double Black, counts as 2 + + +{-| A dictionary of keys and values. So a `(Dict String User)` is a dictionary +that lets you look up a `String` (such as user names) and find the associated +`User`. +-} +type Dict k v + = RBNode_elm_builtin NColor k v (Dict k v) (Dict k v) + | RBEmpty_elm_builtin LeafColor + + +{-| Create an empty dictionary. -} +empty : Dict k v +empty = + RBEmpty_elm_builtin LBlack + + +maxWithDefault : k -> v -> Dict k v -> (k, v) +maxWithDefault k v r = + case r of + RBEmpty_elm_builtin _ -> + (k, v) + + RBNode_elm_builtin _ kr vr _ rr -> + maxWithDefault kr vr rr + + +{-| Get the value associated with a key. If the key is not found, return +`Nothing`. This is useful when you are not sure if a key will be in the +dictionary. + + animals = fromList [ ("Tom", Cat), ("Jerry", Mouse) ] + + get "Tom" animals == Just Cat + get "Jerry" animals == Just Mouse + get "Spike" animals == Nothing + +-} +get : comparable -> Dict comparable v -> Maybe v +get targetKey dict = + case dict of + RBEmpty_elm_builtin _ -> + Nothing + + RBNode_elm_builtin _ key value left right -> + case compare targetKey key of + LT -> + get targetKey left + + EQ -> + Just value + + GT -> + get targetKey right + + +{-| Determine if a key is in a dictionary. -} +member : comparable -> Dict comparable v -> Bool +member key dict = + case get key dict of + Just _ -> + True + + Nothing -> + False + + +{-| Determine the number of key-value pairs in the dictionary. -} +size : Dict k v -> Int +size dict = + sizeHelp 0 dict + + +sizeHelp : Int -> Dict k v -> Int +sizeHelp n dict = + case dict of + RBEmpty_elm_builtin _ -> + n + + RBNode_elm_builtin _ _ _ left right -> + sizeHelp (sizeHelp (n+1) right) left + + +{-| Determine if a dictionary is empty. + + isEmpty empty == True +-} +isEmpty : Dict k v -> Bool +isEmpty dict = + dict == empty + + +{- The actual pattern match here is somewhat lax. If it is given invalid input, +it will do the wrong thing. The expected behavior is: + + red node => black node + black node => same + bblack node => xxx + nblack node => xxx + + black leaf => same + bblack leaf => xxx +-} +ensureBlackRoot : Dict k v -> Dict k v +ensureBlackRoot dict = + case dict of + RBNode_elm_builtin Red key value left right -> + RBNode_elm_builtin Black key value left right + + _ -> + dict + + +{-| Insert a key-value pair into a dictionary. Replaces value when there is +a collision. -} +insert : comparable -> v -> Dict comparable v -> Dict comparable v +insert key value dict = + update key (always (Just value)) dict + + +{-| Remove a key-value pair from a dictionary. If the key is not found, +no changes are made. -} +remove : comparable -> Dict comparable v -> Dict comparable v +remove key dict = + update key (always Nothing) dict + + +type Flag = Insert | Remove | Same + + +{-| Update the value of a dictionary for a specific key with a given function. -} +update : comparable -> (Maybe v -> Maybe v) -> Dict comparable v -> Dict comparable v +update k alter dict = + let + up dict = + case dict of + -- expecting only black nodes, never double black nodes here + RBEmpty_elm_builtin _ -> + case alter Nothing of + Nothing -> + (Same, empty) + + Just v -> + (Insert, RBNode_elm_builtin Red k v empty empty) + + RBNode_elm_builtin clr key value left right -> + case compare k key of + EQ -> + case alter (Just value) of + Nothing -> + (Remove, rem clr left right) + + Just newValue -> + (Same, RBNode_elm_builtin clr key newValue left right) + + LT -> + let (flag, newLeft) = up left in + case flag of + Same -> + (Same, RBNode_elm_builtin clr key value newLeft right) + + Insert -> + (Insert, balance clr key value newLeft right) + + Remove -> + (Remove, bubble clr key value newLeft right) + + GT -> + let (flag, newRight) = up right in + case flag of + Same -> + (Same, RBNode_elm_builtin clr key value left newRight) + + Insert -> + (Insert, balance clr key value left newRight) + + Remove -> + (Remove, bubble clr key value left newRight) + + (flag, updatedDict) = + up dict + in + case flag of + Same -> + updatedDict + + Insert -> + ensureBlackRoot updatedDict + + Remove -> + blacken updatedDict + + +{-| Create a dictionary with one key-value pair. -} +singleton : comparable -> v -> Dict comparable v +singleton key value = + insert key value empty + + + +-- HELPERS + + +isBBlack : Dict k v -> Bool +isBBlack dict = + case dict of + RBNode_elm_builtin BBlack _ _ _ _ -> + True + + RBEmpty_elm_builtin LBBlack -> + True + + _ -> + False + + +moreBlack : NColor -> NColor +moreBlack color = + case color of + Black -> + BBlack + + Red -> + Black + + NBlack -> + Red + + BBlack -> + Native.Debug.crash "Can't make a double black node more black!" + + +lessBlack : NColor -> NColor +lessBlack color = + case color of + BBlack -> + Black + + Black -> + Red + + Red -> + NBlack + + NBlack -> + Native.Debug.crash "Can't make a negative black node less black!" + + +{- The actual pattern match here is somewhat lax. If it is given invalid input, +it will do the wrong thing. The expected behavior is: + + node => less black node + + bblack leaf => black leaf + black leaf => xxx +-} +lessBlackTree : Dict k v -> Dict k v +lessBlackTree dict = + case dict of + RBNode_elm_builtin c k v l r -> + RBNode_elm_builtin (lessBlack c) k v l r + + RBEmpty_elm_builtin _ -> + RBEmpty_elm_builtin LBlack + + +reportRemBug : String -> NColor -> String -> String -> a +reportRemBug msg c lgot rgot = + Native.Debug.crash <| + String.concat + [ "Internal red-black tree invariant violated, expected " + , msg, " and got ", toString c, "/", lgot, "/", rgot + , "\nPlease report this bug to " + ] + + +-- Remove the top node from the tree, may leave behind BBlacks +rem : NColor -> Dict k v -> Dict k v -> Dict k v +rem color left right = + case (left, right) of + (RBEmpty_elm_builtin _, RBEmpty_elm_builtin _) -> + case color of + Red -> + RBEmpty_elm_builtin LBlack + + Black -> + RBEmpty_elm_builtin LBBlack + + _ -> + Native.Debug.crash "cannot have bblack or nblack nodes at this point" + + (RBEmpty_elm_builtin cl, RBNode_elm_builtin cr k v l r) -> + case (color, cl, cr) of + (Black, LBlack, Red) -> + RBNode_elm_builtin Black k v l r + + _ -> + reportRemBug "Black/LBlack/Red" color (toString cl) (toString cr) + + (RBNode_elm_builtin cl k v l r, RBEmpty_elm_builtin cr) -> + case (color, cl, cr) of + (Black, Red, LBlack) -> + RBNode_elm_builtin Black k v l r + + _ -> + reportRemBug "Black/Red/LBlack" color (toString cl) (toString cr) + + -- l and r are both RBNodes + (RBNode_elm_builtin cl kl vl ll rl, RBNode_elm_builtin _ _ _ _ _) -> + let + (k, v) = + maxWithDefault kl vl rl + + newLeft = + removeMax cl kl vl ll rl + in + bubble color k v newLeft right + + +-- Kills a BBlack or moves it upward, may leave behind NBlack +bubble : NColor -> k -> v -> Dict k v -> Dict k v -> Dict k v +bubble c k v l r = + if isBBlack l || isBBlack r then + balance (moreBlack c) k v (lessBlackTree l) (lessBlackTree r) + + else + RBNode_elm_builtin c k v l r + + +-- Removes rightmost node, may leave root as BBlack +removeMax : NColor -> k -> v -> Dict k v -> Dict k v -> Dict k v +removeMax c k v l r = + case r of + RBEmpty_elm_builtin _ -> + rem c l r + + RBNode_elm_builtin cr kr vr lr rr -> + bubble c k v l (removeMax cr kr vr lr rr) + + +-- generalized tree balancing act +balance : NColor -> k -> v -> Dict k v -> Dict k v -> Dict k v +balance c k v l r = + let + tree = + RBNode_elm_builtin c k v l r + in + if blackish tree then + balanceHelp tree + + else + tree + + +blackish : Dict k v -> Bool +blackish t = + case t of + RBNode_elm_builtin c _ _ _ _ -> + c == Black || c == BBlack + + RBEmpty_elm_builtin _ -> + True + + +balanceHelp : Dict k v -> Dict k v +balanceHelp tree = + case tree of + -- double red: left, left + RBNode_elm_builtin col zk zv (RBNode_elm_builtin Red yk yv (RBNode_elm_builtin Red xk xv a b) c) d -> + balancedTree col xk xv yk yv zk zv a b c d + + -- double red: left, right + RBNode_elm_builtin col zk zv (RBNode_elm_builtin Red xk xv a (RBNode_elm_builtin Red yk yv b c)) d -> + balancedTree col xk xv yk yv zk zv a b c d + + -- double red: right, left + RBNode_elm_builtin col xk xv a (RBNode_elm_builtin Red zk zv (RBNode_elm_builtin Red yk yv b c) d) -> + balancedTree col xk xv yk yv zk zv a b c d + + -- double red: right, right + RBNode_elm_builtin col xk xv a (RBNode_elm_builtin Red yk yv b (RBNode_elm_builtin Red zk zv c d)) -> + balancedTree col xk xv yk yv zk zv a b c d + + -- handle double blacks + RBNode_elm_builtin BBlack xk xv a (RBNode_elm_builtin NBlack zk zv (RBNode_elm_builtin Black yk yv b c) (RBNode_elm_builtin Black _ _ _ _ as d)) -> + RBNode_elm_builtin Black yk yv (RBNode_elm_builtin Black xk xv a b) (balance Black zk zv c (redden d)) + + RBNode_elm_builtin BBlack zk zv (RBNode_elm_builtin NBlack xk xv (RBNode_elm_builtin Black _ _ _ _ as a) (RBNode_elm_builtin Black yk yv b c)) d -> + RBNode_elm_builtin Black yk yv (balance Black xk xv (redden a) b) (RBNode_elm_builtin Black zk zv c d) + + _ -> + tree + + +balancedTree : NColor -> k -> v -> k -> v -> k -> v -> Dict k v -> Dict k v -> Dict k v -> Dict k v -> Dict k v +balancedTree col xk xv yk yv zk zv a b c d = + RBNode_elm_builtin + (lessBlack col) + yk + yv + (RBNode_elm_builtin Black xk xv a b) + (RBNode_elm_builtin Black zk zv c d) + + +-- make the top node black +blacken : Dict k v -> Dict k v +blacken t = + case t of + RBEmpty_elm_builtin _ -> + RBEmpty_elm_builtin LBlack + + RBNode_elm_builtin _ k v l r -> + RBNode_elm_builtin Black k v l r + + +-- make the top node red +redden : Dict k v -> Dict k v +redden t = + case t of + RBEmpty_elm_builtin _ -> + Native.Debug.crash "can't make a Leaf red" + + RBNode_elm_builtin _ k v l r -> + RBNode_elm_builtin Red k v l r + + + +-- COMBINE + + +{-| Combine two dictionaries. If there is a collision, preference is given +to the first dictionary. +-} +union : Dict comparable v -> Dict comparable v -> Dict comparable v +union t1 t2 = + foldl insert t2 t1 + + +{-| Keep a key-value pair when its key appears in the second dictionary. +Preference is given to values in the first dictionary. +-} +intersect : Dict comparable v -> Dict comparable v -> Dict comparable v +intersect t1 t2 = + filter (\k _ -> member k t2) t1 + + +{-| Keep a key-value pair when its key does not appear in the second dictionary. +-} +diff : Dict comparable v -> Dict comparable v -> Dict comparable v +diff t1 t2 = + foldl (\k v t -> remove k t) t1 t2 + + +{-| The most general way of combining two dictionaries. You provide three +accumulators for when a given key appears: + + 1. Only in the left dictionary. + 2. In both dictionaries. + 3. Only in the right dictionary. + +You then traverse all the keys from lowest to highest, building up whatever +you want. +-} +merge + : (comparable -> a -> result -> result) + -> (comparable -> a -> b -> result -> result) + -> (comparable -> b -> result -> result) + -> Dict comparable a + -> Dict comparable b + -> result + -> result +merge leftStep bothStep rightStep leftDict rightDict initialResult = + let + stepState rKey rValue (list, result) = + case list of + [] -> + (list, rightStep rKey rValue result) + + (lKey, lValue) :: rest -> + if lKey < rKey then + stepState rKey rValue (rest, leftStep lKey lValue result) + + else if lKey > rKey then + (list, rightStep rKey rValue result) + + else + (rest, bothStep lKey lValue rValue result) + + (leftovers, intermediateResult) = + foldl stepState (toList leftDict, initialResult) rightDict + in + List.foldl (\(k,v) result -> leftStep k v result) intermediateResult leftovers + + + +-- TRANSFORM + + +{-| Apply a function to all values in a dictionary. +-} +map : (comparable -> a -> b) -> Dict comparable a -> Dict comparable b +map f dict = + case dict of + RBEmpty_elm_builtin _ -> + RBEmpty_elm_builtin LBlack + + RBNode_elm_builtin clr key value left right -> + RBNode_elm_builtin clr key (f key value) (map f left) (map f right) + + +{-| Fold over the key-value pairs in a dictionary, in order from lowest +key to highest key. +-} +foldl : (comparable -> v -> b -> b) -> b -> Dict comparable v -> b +foldl f acc dict = + case dict of + RBEmpty_elm_builtin _ -> + acc + + RBNode_elm_builtin _ key value left right -> + foldl f (f key value (foldl f acc left)) right + + +{-| Fold over the key-value pairs in a dictionary, in order from highest +key to lowest key. +-} +foldr : (comparable -> v -> b -> b) -> b -> Dict comparable v -> b +foldr f acc t = + case t of + RBEmpty_elm_builtin _ -> + acc + + RBNode_elm_builtin _ key value left right -> + foldr f (f key value (foldr f acc right)) left + + +{-| Keep a key-value pair when it satisfies a predicate. -} +filter : (comparable -> v -> Bool) -> Dict comparable v -> Dict comparable v +filter predicate dictionary = + let + add key value dict = + if predicate key value then + insert key value dict + + else + dict + in + foldl add empty dictionary + + +{-| Partition a dictionary according to a predicate. The first dictionary +contains all key-value pairs which satisfy the predicate, and the second +contains the rest. +-} +partition : (comparable -> v -> Bool) -> Dict comparable v -> (Dict comparable v, Dict comparable v) +partition predicate dict = + let + add key value (t1, t2) = + if predicate key value then + (insert key value t1, t2) + + else + (t1, insert key value t2) + in + foldl add (empty, empty) dict + + + +-- LISTS + + +{-| Get all of the keys in a dictionary, sorted from lowest to highest. + + keys (fromList [(0,"Alice"),(1,"Bob")]) == [0,1] +-} +keys : Dict comparable v -> List comparable +keys dict = + foldr (\key value keyList -> key :: keyList) [] dict + + +{-| Get all of the values in a dictionary, in the order of their keys. + + values (fromList [(0,"Alice"),(1,"Bob")]) == ["Alice", "Bob"] +-} +values : Dict comparable v -> List v +values dict = + foldr (\key value valueList -> value :: valueList) [] dict + + +{-| Convert a dictionary into an association list of key-value pairs, sorted by keys. -} +toList : Dict comparable v -> List (comparable,v) +toList dict = + foldr (\key value list -> (key,value) :: list) [] dict + + +{-| Convert an association list into a dictionary. -} +fromList : List (comparable,v) -> Dict comparable v +fromList assocs = + List.foldl (\(key,value) dict -> insert key value dict) empty assocs diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Json/Decode.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Json/Decode.elm new file mode 100644 index 0000000..0fc853d --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Json/Decode.elm @@ -0,0 +1,520 @@ +module Json.Decode exposing + ( Decoder, string, bool, int, float + , nullable, list, array, dict, keyValuePairs + , field, at, index + , maybe, oneOf + , decodeString, decodeValue, Value + , map, map2, map3, map4, map5, map6, map7, map8 + , lazy, value, null, succeed, fail, andThen + ) + +{-| Turn JSON values into Elm values. Definitely check out this [intro to +JSON decoders][guide] to get a feel for how this library works! + +[guide]: https://guide.elm-lang.org/interop/json.html + +# Primitives +@docs Decoder, string, bool, int, float + +# Data Structures +@docs nullable, list, array, dict, keyValuePairs + +# Object Primitives +@docs field, at, index + +# Inconsistent Structure +@docs maybe, oneOf + +# Run Decoders +@docs decodeString, decodeValue, Value + +# Mapping + +**Note:** If you run out of map functions, take a look at [elm-decode-pipeline][pipe] +which makes it easier to handle large objects, but produces lower quality type +errors. + +[pipe]: http://package.elm-lang.org/packages/NoRedInk/elm-decode-pipeline/latest + +@docs map, map2, map3, map4, map5, map6, map7, map8 + +# Fancy Decoding +@docs lazy, value, null, succeed, fail, andThen +-} + + +import Array exposing (Array) +import Dict exposing (Dict) +import Json.Encode as JsEncode +import List +import Maybe exposing (Maybe(..)) +import Result exposing (Result(..)) +import Native.Json + + + +-- PRIMITIVES + + +{-| A value that knows how to decode JSON values. +-} +type Decoder a = Decoder + + +{-| Decode a JSON string into an Elm `String`. + + decodeString string "true" == Err ... + decodeString string "42" == Err ... + decodeString string "3.14" == Err ... + decodeString string "\"hello\"" == Ok "hello" + decodeString string "{ \"hello\": 42 }" == Err ... +-} +string : Decoder String +string = + Native.Json.decodePrimitive "string" + + +{-| Decode a JSON boolean into an Elm `Bool`. + + decodeString bool "true" == Ok True + decodeString bool "42" == Err ... + decodeString bool "3.14" == Err ... + decodeString bool "\"hello\"" == Err ... + decodeString bool "{ \"hello\": 42 }" == Err ... +-} +bool : Decoder Bool +bool = + Native.Json.decodePrimitive "bool" + + +{-| Decode a JSON number into an Elm `Int`. + + decodeString int "true" == Err ... + decodeString int "42" == Ok 42 + decodeString int "3.14" == Err ... + decodeString int "\"hello\"" == Err ... + decodeString int "{ \"hello\": 42 }" == Err ... +-} +int : Decoder Int +int = + Native.Json.decodePrimitive "int" + + +{-| Decode a JSON number into an Elm `Float`. + + decodeString float "true" == Err .. + decodeString float "42" == Ok 42 + decodeString float "3.14" == Ok 3.14 + decodeString float "\"hello\"" == Err ... + decodeString float "{ \"hello\": 42 }" == Err ... +-} +float : Decoder Float +float = + Native.Json.decodePrimitive "float" + + + +-- DATA STRUCTURES + + +{-| Decode a nullable JSON value into an Elm value. + + decodeString (nullable int) "13" == Ok (Just 13) + decodeString (nullable int) "42" == Ok (Just 42) + decodeString (nullable int) "null" == Ok Nothing + decodeString (nullable int) "true" == Err .. +-} +nullable : Decoder a -> Decoder (Maybe a) +nullable decoder = + oneOf + [ null Nothing + , map Just decoder + ] + + +{-| Decode a JSON array into an Elm `List`. + + decodeString (list int) "[1,2,3]" == Ok [1,2,3] + decodeString (list bool) "[true,false]" == Ok [True,False] +-} +list : Decoder a -> Decoder (List a) +list decoder = + Native.Json.decodeContainer "list" decoder + + +{-| Decode a JSON array into an Elm `Array`. + + decodeString (array int) "[1,2,3]" == Ok (Array.fromList [1,2,3]) + decodeString (array bool) "[true,false]" == Ok (Array.fromList [True,False]) +-} +array : Decoder a -> Decoder (Array a) +array decoder = + Native.Json.decodeContainer "array" decoder + + +{-| Decode a JSON object into an Elm `Dict`. + + decodeString (dict int) "{ \"alice\": 42, \"bob\": 99 }" + == Dict.fromList [("alice", 42), ("bob", 99)] +-} +dict : Decoder a -> Decoder (Dict String a) +dict decoder = + map Dict.fromList (keyValuePairs decoder) + + +{-| Decode a JSON object into an Elm `List` of pairs. + + decodeString (keyValuePairs int) "{ \"alice\": 42, \"bob\": 99 }" + == [("alice", 42), ("bob", 99)] +-} +keyValuePairs : Decoder a -> Decoder (List (String, a)) +keyValuePairs = + Native.Json.decodeKeyValuePairs + + + +-- OBJECT PRIMITIVES + + +{-| Decode a JSON object, requiring a particular field. + + decodeString (field "x" int) "{ \"x\": 3 }" == Ok 3 + decodeString (field "x" int) "{ \"x\": 3, \"y\": 4 }" == Ok 3 + decodeString (field "x" int) "{ \"x\": true }" == Err ... + decodeString (field "x" int) "{ \"y\": 4 }" == Err ... + + decodeString (field "name" string) "{ \"name\": \"tom\" }" == Ok "tom" + +The object *can* have other fields. Lots of them! The only thing this decoder +cares about is if `x` is present and that the value there is an `Int`. + +Check out [`map2`](#map2) to see how to decode multiple fields! +-} +field : String -> Decoder a -> Decoder a +field = + Native.Json.decodeField + + +{-| Decode a nested JSON object, requiring certain fields. + + json = """{ "person": { "name": "tom", "age": 42 } }""" + + decodeString (at ["person", "name"] string) json == Ok "tom" + decodeString (at ["person", "age" ] int ) json == Ok "42 + +This is really just a shorthand for saying things like: + + field "person" (field "name" string) == at ["person","name"] string +-} +at : List String -> Decoder a -> Decoder a +at fields decoder = + List.foldr field decoder fields + + +{-| Decode a JSON array, requiring a particular index. + + json = """[ "alice", "bob", "chuck" ]""" + + decodeString (index 0 string) json == Ok "alice" + decodeString (index 1 string) json == Ok "bob" + decodeString (index 2 string) json == Ok "chuck" + decodeString (index 3 string) json == Err ... +-} +index : Int -> Decoder a -> Decoder a +index = + Native.Json.decodeIndex + + + +-- WEIRD STRUCTURE + + +{-| Helpful for dealing with optional fields. Here are a few slightly different +examples: + + json = """{ "name": "tom", "age": 42 }""" + + decodeString (maybe (field "age" int )) json == Ok (Just 42) + decodeString (maybe (field "name" int )) json == Ok Nothing + decodeString (maybe (field "height" float)) json == Ok Nothing + + decodeString (field "age" (maybe int )) json == Ok (Just 42) + decodeString (field "name" (maybe int )) json == Ok Nothing + decodeString (field "height" (maybe float)) json == Err ... + +Notice the last example! It is saying we *must* have a field named `height` and +the content *may* be a float. There is no `height` field, so the decoder fails. + +Point is, `maybe` will make exactly what it contains conditional. For optional +fields, this means you probably want it *outside* a use of `field` or `at`. +-} +maybe : Decoder a -> Decoder (Maybe a) +maybe decoder = + Native.Json.decodeContainer "maybe" decoder + + +{-| Try a bunch of different decoders. This can be useful if the JSON may come +in a couple different formats. For example, say you want to read an array of +numbers, but some of them are `null`. + + import String + + badInt : Decoder Int + badInt = + oneOf [ int, null 0 ] + + -- decodeString (list badInt) "[1,2,null,4]" == Ok [1,2,0,4] + +Why would someone generate JSON like this? Questions like this are not good +for your health. The point is that you can use `oneOf` to handle situations +like this! + +You could also use `oneOf` to help version your data. Try the latest format, +then a few older ones that you still support. You could use `andThen` to be +even more particular if you wanted. +-} +oneOf : List (Decoder a) -> Decoder a +oneOf = + Native.Json.oneOf + + + +-- MAPPING + + +{-| Transform a decoder. Maybe you just want to know the length of a string: + + import String + + stringLength : Decoder Int + stringLength = + map String.length string + +It is often helpful to use `map` with `oneOf`, like when defining `nullable`: + + nullable : Decoder a -> Decoder (Maybe a) + nullable decoder = + oneOf + [ null Nothing + , map Just decoder + ] +-} +map : (a -> value) -> Decoder a -> Decoder value +map = + Native.Json.map1 + + +{-| Try two decoders and then combine the result. We can use this to decode +objects with many fields: + + type alias Point = { x : Float, y : Float } + + point : Decoder Point + point = + map2 Point + (field "x" float) + (field "y" float) + + -- decodeString point """{ "x": 3, "y": 4 }""" == Ok { x = 3, y = 4 } + +It tries each individual decoder and puts the result together with the `Point` +constructor. +-} +map2 : (a -> b -> value) -> Decoder a -> Decoder b -> Decoder value +map2 = + Native.Json.map2 + + +{-| Try three decoders and then combine the result. We can use this to decode +objects with many fields: + + type alias Person = { name : String, age : Int, height : Float } + + person : Decoder Person + person = + map3 Person + (at ["name"] string) + (at ["info","age"] int) + (at ["info","height"] float) + + -- json = """{ "name": "tom", "info": { "age": 42, "height": 1.8 } }""" + -- decodeString person json == Ok { name = "tom", age = 42, height = 1.8 } + +Like `map2` it tries each decoder in order and then give the results to the +`Person` constructor. That can be any function though! +-} +map3 : (a -> b -> c -> value) -> Decoder a -> Decoder b -> Decoder c -> Decoder value +map3 = + Native.Json.map3 + + +{-|-} +map4 : (a -> b -> c -> d -> value) -> Decoder a -> Decoder b -> Decoder c -> Decoder d -> Decoder value +map4 = + Native.Json.map4 + + +{-|-} +map5 : (a -> b -> c -> d -> e -> value) -> Decoder a -> Decoder b -> Decoder c -> Decoder d -> Decoder e -> Decoder value +map5 = + Native.Json.map5 + + +{-|-} +map6 : (a -> b -> c -> d -> e -> f -> value) -> Decoder a -> Decoder b -> Decoder c -> Decoder d -> Decoder e -> Decoder f -> Decoder value +map6 = + Native.Json.map6 + + +{-|-} +map7 : (a -> b -> c -> d -> e -> f -> g -> value) -> Decoder a -> Decoder b -> Decoder c -> Decoder d -> Decoder e -> Decoder f -> Decoder g -> Decoder value +map7 = + Native.Json.map7 + + +{-|-} +map8 : (a -> b -> c -> d -> e -> f -> g -> h -> value) -> Decoder a -> Decoder b -> Decoder c -> Decoder d -> Decoder e -> Decoder f -> Decoder g -> Decoder h -> Decoder value +map8 = + Native.Json.map8 + + + +-- RUN DECODERS + + +{-| Parse the given string into a JSON value and then run the `Decoder` on it. +This will fail if the string is not well-formed JSON or if the `Decoder` +fails for some reason. + + decodeString int "4" == Ok 4 + decodeString int "1 + 2" == Err ... +-} +decodeString : Decoder a -> String -> Result String a +decodeString = + Native.Json.runOnString + + +{-| Run a `Decoder` on some JSON `Value`. You can send these JSON values +through ports, so that is probably the main time you would use this function. +-} +decodeValue : Decoder a -> Value -> Result String a +decodeValue = + Native.Json.run + + +{-| A JSON value. +-} +type alias Value = JsEncode.Value + + + +-- FANCY PRIMITIVES + + +{-| Ignore the JSON and produce a certain Elm value. + + decodeString (succeed 42) "true" == Ok 42 + decodeString (succeed 42) "[1,2,3]" == Ok 42 + decodeString (succeed 42) "hello" == Err ... -- this is not a valid JSON string + +This is handy when used with `oneOf` or `andThen`. +-} +succeed : a -> Decoder a +succeed = + Native.Json.succeed + + +{-| Ignore the JSON and make the decoder fail. This is handy when used with +`oneOf` or `andThen` where you want to give a custom error message in some +case. + +See the [`andThen`](#andThen) docs for an example. +-} +fail : String -> Decoder a +fail = + Native.Json.fail + + +{-| Create decoders that depend on previous results. If you are creating +versioned data, you might do something like this: + + info : Decoder Info + info = + field "version" int + |> andThen infoHelp + + infoHelp : Int -> Decoder Info + infoHelp version = + case version of + 4 -> + infoDecoder4 + + 3 -> + infoDecoder3 + + _ -> + fail <| + "Trying to decode info, but version " + ++ toString version ++ " is not supported." + + -- infoDecoder4 : Decoder Info + -- infoDecoder3 : Decoder Info +-} +andThen : (a -> Decoder b) -> Decoder a -> Decoder b +andThen = + Native.Json.andThen + + +{-| Sometimes you have JSON with recursive structure, like nested comments. +You can use `lazy` to make sure your decoder unrolls lazily. + + type alias Comment = + { message : String + , responses : Responses + } + + type Responses = Responses (List Comment) + + comment : Decoder Comment + comment = + map2 Comment + (field "message" string) + (field "responses" (map Responses (list (lazy (\_ -> comment))))) + +If we had said `list comment` instead, we would start expanding the value +infinitely. What is a `comment`? It is a decoder for objects where the +`responses` field contains comments. What is a `comment` though? Etc. + +By using `list (lazy (\_ -> comment))` we make sure the decoder only expands +to be as deep as the JSON we are given. You can read more about recursive data +structures [here][]. + +[here]: https://github.com/elm-lang/elm-compiler/blob/master/hints/recursive-alias.md +-} +lazy : (() -> Decoder a) -> Decoder a +lazy thunk = + andThen thunk (succeed ()) + + +{-| Do not do anything with a JSON value, just bring it into Elm as a `Value`. +This can be useful if you have particularly crazy data that you would like to +deal with later. Or if you are going to send it out a port and do not care +about its structure. +-} +value : Decoder Value +value = + Native.Json.decodePrimitive "value" + + +{-| Decode a `null` value into some Elm value. + + decodeString (null False) "null" == Ok False + decodeString (null 42) "null" == Ok 42 + decodeString (null 42) "42" == Err .. + decodeString (null 42) "false" == Err .. + +So if you ever see a `null`, this will return whatever value you specified. +-} +null : a -> Decoder a +null = + Native.Json.decodeNull diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Json/Encode.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Json/Encode.elm new file mode 100644 index 0000000..29e6fc9 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Json/Encode.elm @@ -0,0 +1,102 @@ +module Json.Encode exposing + ( Value + , encode + , string, int, float, bool, null + , list, array + , object + ) + +{-| Library for turning Elm values into Json values. + +# Encoding +@docs encode, Value + +# Primitives +@docs string, int, float, bool, null + +# Arrays +@docs list, array + +# Objects +@docs object +-} + +import Array exposing (Array) +import Native.Json + + +{-| Represents a JavaScript value. +-} +type Value = Value + + +{-| Convert a `Value` into a prettified string. The first argument specifies +the amount of indentation in the resulting string. + + person = + object + [ ("name", string "Tom") + , ("age", int 42) + ] + + compact = encode 0 person + -- {"name":"Tom","age":42} + + readable = encode 4 person + -- { + -- "name": "Tom", + -- "age": 42 + -- } +-} +encode : Int -> Value -> String +encode = + Native.Json.encode + + +{-|-} +string : String -> Value +string = + Native.Json.identity + + +{-|-} +int : Int -> Value +int = + Native.Json.identity + + +{-| Encode a Float. `Infinity` and `NaN` are encoded as `null`. +-} +float : Float -> Value +float = + Native.Json.identity + + +{-|-} +bool : Bool -> Value +bool = + Native.Json.identity + + +{-|-} +null : Value +null = + Native.Json.encodeNull + + +{-|-} +object : List (String, Value) -> Value +object = + Native.Json.encodeObject + + +{-|-} +array : Array Value -> Value +array = + Native.Json.encodeArray + + +{-|-} +list : List Value -> Value +list = + Native.Json.encodeList diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/List.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/List.elm new file mode 100644 index 0000000..0b7ddf9 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/List.elm @@ -0,0 +1,613 @@ +module List exposing + ( isEmpty, length, reverse, member + , head, tail, filter, take, drop + , singleton, repeat, range, (::), append, concat, intersperse + , partition, unzip + , map, map2, map3, map4, map5 + , filterMap, concatMap, indexedMap + , foldr, foldl + , sum, product, maximum, minimum, all, any, scanl + , sort, sortBy, sortWith + ) + +{-| A library for manipulating lists of values. Every value in a +list must have the same type. + +# Basics +@docs isEmpty, length, reverse, member + +# Sub-lists +@docs head, tail, filter, take, drop + +# Putting Lists Together +@docs singleton, repeat, range, (::), append, concat, intersperse + +# Taking Lists Apart +@docs partition, unzip + +# Mapping +@docs map, map2, map3, map4, map5 + +If you can think of a legitimate use of `mapN` where `N` is 6 or more, please +let us know on [the list](https://groups.google.com/forum/#!forum/elm-discuss). +The current sentiment is that it is already quite error prone once you get to +4 and possibly should be approached another way. + +# Special Maps +@docs filterMap, concatMap, indexedMap + +# Folding +@docs foldr, foldl + +# Special Folds +@docs sum, product, maximum, minimum, all, any, scanl + +# Sorting +@docs sort, sortBy, sortWith + +-} + +import Basics exposing (..) +import Maybe +import Maybe exposing ( Maybe(Just,Nothing) ) +import Native.List + + +{-| Add an element to the front of a list. Pronounced *cons*. + + 1 :: [2,3] == [1,2,3] + 1 :: [] == [1] +-} +(::) : a -> List a -> List a +(::) = + Native.List.cons + + +infixr 5 :: + + +{-| Extract the first element of a list. + + head [1,2,3] == Just 1 + head [] == Nothing +-} +head : List a -> Maybe a +head list = + case list of + x :: xs -> + Just x + + [] -> + Nothing + + +{-| Extract the rest of the list. + + tail [1,2,3] == Just [2,3] + tail [] == Nothing +-} +tail : List a -> Maybe (List a) +tail list = + case list of + x :: xs -> + Just xs + + [] -> + Nothing + + +{-| Determine if a list is empty. + + isEmpty [] == True +-} +isEmpty : List a -> Bool +isEmpty xs = + case xs of + [] -> + True + + _ -> + False + + +{-| Figure out whether a list contains a value. + + member 9 [1,2,3,4] == False + member 4 [1,2,3,4] == True +-} +member : a -> List a -> Bool +member x xs = + any (\a -> a == x) xs + + +{-| Apply a function to every element of a list. + + map sqrt [1,4,9] == [1,2,3] + + map not [True,False,True] == [False,True,False] +-} +map : (a -> b) -> List a -> List b +map f xs = + foldr (\x acc -> f x :: acc) [] xs + + +{-| Same as `map` but the function is also applied to the index of each +element (starting at zero). + + indexedMap (,) ["Tom","Sue","Bob"] == [ (0,"Tom"), (1,"Sue"), (2,"Bob") ] +-} +indexedMap : (Int -> a -> b) -> List a -> List b +indexedMap f xs = + map2 f (range 0 (length xs - 1)) xs + + +{-| Reduce a list from the left. + + foldl (::) [] [1,2,3] == [3,2,1] +-} +foldl : (a -> b -> b) -> b -> List a -> b +foldl func acc list = + case list of + [] -> + acc + + x :: xs -> + foldl func (func x acc) xs + + +{-| Reduce a list from the right. + + foldr (+) 0 [1,2,3] == 6 +-} +foldr : (a -> b -> b) -> b -> List a -> b +foldr = + Native.List.foldr + + +{-| Reduce a list from the left, building up all of the intermediate results into a list. + + scanl (+) 0 [1,2,3,4] == [0,1,3,6,10] +-} +scanl : (a -> b -> b) -> b -> List a -> List b +scanl f b xs = + let + scan1 x accAcc = + case accAcc of + acc :: _ -> + f x acc :: accAcc + + [] -> + [] -- impossible + in + reverse (foldl scan1 [b] xs) + + +{-| Keep only elements that satisfy the predicate. + + filter isEven [1,2,3,4,5,6] == [2,4,6] +-} +filter : (a -> Bool) -> List a -> List a +filter pred xs = + let + conditionalCons front back = + if pred front then + front :: back + + else + back + in + foldr conditionalCons [] xs + + +{-| Apply a function that may succeed to all values in the list, but only keep +the successes. + + onlyTeens = + filterMap isTeen [3, 15, 12, 18, 24] == [15, 18] + + isTeen : Int -> Maybe Int + isTeen n = + if 13 <= n && n <= 19 then + Just n + + else + Nothing +-} +filterMap : (a -> Maybe b) -> List a -> List b +filterMap f xs = + foldr (maybeCons f) [] xs + + +maybeCons : (a -> Maybe b) -> a -> List b -> List b +maybeCons f mx xs = + case f mx of + Just x -> + x :: xs + + Nothing -> + xs + + +{-| Determine the length of a list. + + length [1,2,3] == 3 +-} +length : List a -> Int +length xs = + foldl (\_ i -> i + 1) 0 xs + + +{-| Reverse a list. + + reverse [1,2,3,4] == [4,3,2,1] +-} +reverse : List a -> List a +reverse list = + foldl (::) [] list + + +{-| Determine if all elements satisfy the predicate. + + all isEven [2,4] == True + all isEven [2,3] == False + all isEven [] == True +-} +all : (a -> Bool) -> List a -> Bool +all isOkay list = + not (any (not << isOkay) list) + + +{-| Determine if any elements satisfy the predicate. + + any isEven [2,3] == True + any isEven [1,3] == False + any isEven [] == False +-} +any : (a -> Bool) -> List a -> Bool +any isOkay list = + case list of + [] -> + False + + x :: xs -> + -- note: (isOkay x || any isOkay xs) would not get TCO + if isOkay x then + True + + else + any isOkay xs + + +{-| Put two lists together. + + append [1,1,2] [3,5,8] == [1,1,2,3,5,8] + append ['a','b'] ['c'] == ['a','b','c'] + +You can also use [the `(++)` operator](Basics#++) to append lists. +-} +append : List a -> List a -> List a +append xs ys = + case ys of + [] -> + xs + + _ -> + foldr (::) ys xs + + +{-| Concatenate a bunch of lists into a single list: + + concat [[1,2],[3],[4,5]] == [1,2,3,4,5] +-} +concat : List (List a) -> List a +concat lists = + foldr append [] lists + + +{-| Map a given function onto a list and flatten the resulting lists. + + concatMap f xs == concat (map f xs) +-} +concatMap : (a -> List b) -> List a -> List b +concatMap f list = + concat (map f list) + + +{-| Get the sum of the list elements. + + sum [1,2,3,4] == 10 +-} +sum : List number -> number +sum numbers = + foldl (+) 0 numbers + + +{-| Get the product of the list elements. + + product [1,2,3,4] == 24 +-} +product : List number -> number +product numbers = + foldl (*) 1 numbers + + +{-| Find the maximum element in a non-empty list. + + maximum [1,4,2] == Just 4 + maximum [] == Nothing +-} +maximum : List comparable -> Maybe comparable +maximum list = + case list of + x :: xs -> + Just (foldl max x xs) + + _ -> + Nothing + + +{-| Find the minimum element in a non-empty list. + + minimum [3,2,1] == Just 1 + minimum [] == Nothing +-} +minimum : List comparable -> Maybe comparable +minimum list = + case list of + x :: xs -> + Just (foldl min x xs) + + _ -> + Nothing + + +{-| Partition a list based on a predicate. The first list contains all values +that satisfy the predicate, and the second list contains all the value that do +not. + + partition (\x -> x < 3) [0,1,2,3,4,5] == ([0,1,2], [3,4,5]) + partition isEven [0,1,2,3,4,5] == ([0,2,4], [1,3,5]) +-} +partition : (a -> Bool) -> List a -> (List a, List a) +partition pred list = + let + step x (trues, falses) = + if pred x then + (x :: trues, falses) + + else + (trues, x :: falses) + in + foldr step ([],[]) list + + +{-| Combine two lists, combining them with the given function. +If one list is longer, the extra elements are dropped. + + map2 (+) [1,2,3] [1,2,3,4] == [2,4,6] + + map2 (,) [1,2,3] ['a','b'] == [ (1,'a'), (2,'b') ] + + pairs : List a -> List b -> List (a,b) + pairs lefts rights = + map2 (,) lefts rights +-} +map2 : (a -> b -> result) -> List a -> List b -> List result +map2 = + Native.List.map2 + + +{-|-} +map3 : (a -> b -> c -> result) -> List a -> List b -> List c -> List result +map3 = + Native.List.map3 + + +{-|-} +map4 : (a -> b -> c -> d -> result) -> List a -> List b -> List c -> List d -> List result +map4 = + Native.List.map4 + + +{-|-} +map5 : (a -> b -> c -> d -> e -> result) -> List a -> List b -> List c -> List d -> List e -> List result +map5 = + Native.List.map5 + + +{-| Decompose a list of tuples into a tuple of lists. + + unzip [(0, True), (17, False), (1337, True)] == ([0,17,1337], [True,False,True]) +-} +unzip : List (a,b) -> (List a, List b) +unzip pairs = + let + step (x,y) (xs,ys) = + (x :: xs, y :: ys) + in + foldr step ([], []) pairs + + +{-| Places the given value between all members of the given list. + + intersperse "on" ["turtles","turtles","turtles"] == ["turtles","on","turtles","on","turtles"] +-} +intersperse : a -> List a -> List a +intersperse sep xs = + case xs of + [] -> + [] + + hd :: tl -> + let + step x rest = + sep :: x :: rest + + spersed = + foldr step [] tl + in + hd :: spersed + + +{-| Take the first *n* members of a list. + + take 2 [1,2,3,4] == [1,2] +-} +take : Int -> List a -> List a +take n list = + takeFast 0 n list + + +takeFast : Int -> Int -> List a -> List a +takeFast ctr n list = + if n <= 0 then + [] + else + case ( n, list ) of + ( _, [] ) -> + list + + ( 1, x :: _ ) -> + [ x ] + + ( 2, x :: y :: _ ) -> + [ x, y ] + + ( 3, x :: y :: z :: _ ) -> + [ x, y, z ] + + ( _, x :: y :: z :: w :: tl ) -> + if ctr > 1000 then + x :: y :: z :: w :: takeTailRec (n - 4) tl + else + x :: y :: z :: w :: takeFast (ctr + 1) (n - 4) tl + + _ -> + list + +takeTailRec : Int -> List a -> List a +takeTailRec n list = + reverse (takeReverse n list []) + + +takeReverse : Int -> List a -> List a -> List a +takeReverse n list taken = + if n <= 0 then + taken + else + case list of + [] -> + taken + + x :: xs -> + takeReverse (n - 1) xs (x :: taken) + + +{-| Drop the first *n* members of a list. + + drop 2 [1,2,3,4] == [3,4] +-} +drop : Int -> List a -> List a +drop n list = + if n <= 0 then + list + + else + case list of + [] -> + list + + x :: xs -> + drop (n-1) xs + + +{-| Create a list with only one element: + + singleton 1234 == [1234] + singleton "hi" == ["hi"] +-} +singleton : a -> List a +singleton value = + [value] + + +{-| Create a list with *n* copies of a value: + + repeat 3 (0,0) == [(0,0),(0,0),(0,0)] +-} +repeat : Int -> a -> List a +repeat n value = + repeatHelp [] n value + + +repeatHelp : List a -> Int -> a -> List a +repeatHelp result n value = + if n <= 0 then + result + + else + repeatHelp (value :: result) (n-1) value + + +{-| Create a list of numbers, every element increasing by one. +You give the lowest and highest number that should be in the list. + + range 3 6 == [3, 4, 5, 6] + range 3 3 == [3] + range 6 3 == [] +-} +range : Int -> Int -> List Int +range lo hi = + rangeHelp lo hi [] + + +rangeHelp : Int -> Int -> List Int -> List Int +rangeHelp lo hi list = + if lo <= hi then + rangeHelp lo (hi - 1) (hi :: list) + + else + list + + +{-| Sort values from lowest to highest + + sort [3,1,5] == [1,3,5] +-} +sort : List comparable -> List comparable +sort xs = + sortBy identity xs + + +{-| Sort values by a derived property. + + alice = { name="Alice", height=1.62 } + bob = { name="Bob" , height=1.85 } + chuck = { name="Chuck", height=1.76 } + + sortBy .name [chuck,alice,bob] == [alice,bob,chuck] + sortBy .height [chuck,alice,bob] == [alice,chuck,bob] + + sortBy String.length ["mouse","cat"] == ["cat","mouse"] +-} +sortBy : (a -> comparable) -> List a -> List a +sortBy = + Native.List.sortBy + + +{-| Sort values with a custom comparison function. + + sortWith flippedComparison [1,2,3,4,5] == [5,4,3,2,1] + + flippedComparison a b = + case compare a b of + LT -> GT + EQ -> EQ + GT -> LT + +This is also the most general sort function, allowing you +to define any other: `sort == sortWith compare` +-} +sortWith : (a -> a -> Order) -> List a -> List a +sortWith = + Native.List.sortWith diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Maybe.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Maybe.elm new file mode 100644 index 0000000..337a246 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Maybe.elm @@ -0,0 +1,157 @@ +module Maybe exposing + ( Maybe(Just,Nothing) + , andThen + , map, map2, map3, map4, map5 + , withDefault + ) + +{-| This library fills a bunch of important niches in Elm. A `Maybe` can help +you with optional arguments, error handling, and records with optional fields. + +# Definition +@docs Maybe + +# Common Helpers +@docs withDefault, map, map2, map3, map4, map5 + +# Chaining Maybes +@docs andThen +-} + +{-| Represent values that may or may not exist. It can be useful if you have a +record field that is only filled in sometimes. Or if a function takes a value +sometimes, but does not absolutely need it. + + -- A person, but maybe we do not know their age. + type alias Person = + { name : String + , age : Maybe Int + } + + tom = { name = "Tom", age = Just 42 } + sue = { name = "Sue", age = Nothing } +-} +type Maybe a + = Just a + | Nothing + + +{-| Provide a default value, turning an optional value into a normal +value. This comes in handy when paired with functions like +[`Dict.get`](Dict#get) which gives back a `Maybe`. + + withDefault 100 (Just 42) -- 42 + withDefault 100 Nothing -- 100 + + withDefault "unknown" (Dict.get "Tom" Dict.empty) -- "unknown" + +-} +withDefault : a -> Maybe a -> a +withDefault default maybe = + case maybe of + Just value -> value + Nothing -> default + + +{-| Transform a `Maybe` value with a given function: + + map sqrt (Just 9) == Just 3 + map sqrt Nothing == Nothing +-} +map : (a -> b) -> Maybe a -> Maybe b +map f maybe = + case maybe of + Just value -> Just (f value) + Nothing -> Nothing + + +{-| Apply a function if all the arguments are `Just` a value. + + map2 (+) (Just 3) (Just 4) == Just 7 + map2 (+) (Just 3) Nothing == Nothing + map2 (+) Nothing (Just 4) == Nothing +-} +map2 : (a -> b -> value) -> Maybe a -> Maybe b -> Maybe value +map2 func ma mb = + case (ma,mb) of + (Just a, Just b) -> + Just (func a b) + + _ -> + Nothing + + +{-|-} +map3 : (a -> b -> c -> value) -> Maybe a -> Maybe b -> Maybe c -> Maybe value +map3 func ma mb mc = + case (ma,mb,mc) of + (Just a, Just b, Just c) -> + Just (func a b c) + + _ -> + Nothing + + +{-|-} +map4 : (a -> b -> c -> d -> value) -> Maybe a -> Maybe b -> Maybe c -> Maybe d -> Maybe value +map4 func ma mb mc md = + case (ma,mb,mc,md) of + (Just a, Just b, Just c, Just d) -> + Just (func a b c d) + + _ -> + Nothing + + +{-|-} +map5 : (a -> b -> c -> d -> e -> value) -> Maybe a -> Maybe b -> Maybe c -> Maybe d -> Maybe e -> Maybe value +map5 func ma mb mc md me = + case (ma,mb,mc,md,me) of + (Just a, Just b, Just c, Just d, Just e) -> + Just (func a b c d e) + + _ -> + Nothing + + +{-| Chain together many computations that may fail. It is helpful to see its +definition: + + andThen : (a -> Maybe b) -> Maybe a -> Maybe b + andThen callback maybe = + case maybe of + Just value -> + callback value + + Nothing -> + Nothing + +This means we only continue with the callback if things are going well. For +example, say you need to use (`head : List Int -> Maybe Int`) to get the +first month from a `List` and then make sure it is between 1 and 12: + + toValidMonth : Int -> Maybe Int + toValidMonth month = + if month >= 1 && month <= 12 then + Just month + else + Nothing + + getFirstMonth : List Int -> Maybe Int + getFirstMonth months = + head months + |> andThen toValidMonth + +If `head` fails and results in `Nothing` (because the `List` was `empty`), +this entire chain of operations will short-circuit and result in `Nothing`. +If `toValidMonth` results in `Nothing`, again the chain of computations +will result in `Nothing`. +-} +andThen : (a -> Maybe b) -> Maybe a -> Maybe b +andThen callback maybeValue = + case maybeValue of + Just value -> + callback value + + Nothing -> + Nothing diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Array.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Array.js new file mode 100644 index 0000000..7ddd42d --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Array.js @@ -0,0 +1,967 @@ +//import Native.List // + +var _elm_lang$core$Native_Array = function() { + +// A RRB-Tree has two distinct data types. +// Leaf -> "height" is always 0 +// "table" is an array of elements +// Node -> "height" is always greater than 0 +// "table" is an array of child nodes +// "lengths" is an array of accumulated lengths of the child nodes + +// M is the maximal table size. 32 seems fast. E is the allowed increase +// of search steps when concatting to find an index. Lower values will +// decrease balancing, but will increase search steps. +var M = 32; +var E = 2; + +// An empty array. +var empty = { + ctor: '_Array', + height: 0, + table: [] +}; + + +function get(i, array) +{ + if (i < 0 || i >= length(array)) + { + throw new Error( + 'Index ' + i + ' is out of range. Check the length of ' + + 'your array first or use getMaybe or getWithDefault.'); + } + return unsafeGet(i, array); +} + + +function unsafeGet(i, array) +{ + for (var x = array.height; x > 0; x--) + { + var slot = i >> (x * 5); + while (array.lengths[slot] <= i) + { + slot++; + } + if (slot > 0) + { + i -= array.lengths[slot - 1]; + } + array = array.table[slot]; + } + return array.table[i]; +} + + +// Sets the value at the index i. Only the nodes leading to i will get +// copied and updated. +function set(i, item, array) +{ + if (i < 0 || length(array) <= i) + { + return array; + } + return unsafeSet(i, item, array); +} + + +function unsafeSet(i, item, array) +{ + array = nodeCopy(array); + + if (array.height === 0) + { + array.table[i] = item; + } + else + { + var slot = getSlot(i, array); + if (slot > 0) + { + i -= array.lengths[slot - 1]; + } + array.table[slot] = unsafeSet(i, item, array.table[slot]); + } + return array; +} + + +function initialize(len, f) +{ + if (len <= 0) + { + return empty; + } + var h = Math.floor( Math.log(len) / Math.log(M) ); + return initialize_(f, h, 0, len); +} + +function initialize_(f, h, from, to) +{ + if (h === 0) + { + var table = new Array((to - from) % (M + 1)); + for (var i = 0; i < table.length; i++) + { + table[i] = f(from + i); + } + return { + ctor: '_Array', + height: 0, + table: table + }; + } + + var step = Math.pow(M, h); + var table = new Array(Math.ceil((to - from) / step)); + var lengths = new Array(table.length); + for (var i = 0; i < table.length; i++) + { + table[i] = initialize_(f, h - 1, from + (i * step), Math.min(from + ((i + 1) * step), to)); + lengths[i] = length(table[i]) + (i > 0 ? lengths[i-1] : 0); + } + return { + ctor: '_Array', + height: h, + table: table, + lengths: lengths + }; +} + +function fromList(list) +{ + if (list.ctor === '[]') + { + return empty; + } + + // Allocate M sized blocks (table) and write list elements to it. + var table = new Array(M); + var nodes = []; + var i = 0; + + while (list.ctor !== '[]') + { + table[i] = list._0; + list = list._1; + i++; + + // table is full, so we can push a leaf containing it into the + // next node. + if (i === M) + { + var leaf = { + ctor: '_Array', + height: 0, + table: table + }; + fromListPush(leaf, nodes); + table = new Array(M); + i = 0; + } + } + + // Maybe there is something left on the table. + if (i > 0) + { + var leaf = { + ctor: '_Array', + height: 0, + table: table.splice(0, i) + }; + fromListPush(leaf, nodes); + } + + // Go through all of the nodes and eventually push them into higher nodes. + for (var h = 0; h < nodes.length - 1; h++) + { + if (nodes[h].table.length > 0) + { + fromListPush(nodes[h], nodes); + } + } + + var head = nodes[nodes.length - 1]; + if (head.height > 0 && head.table.length === 1) + { + return head.table[0]; + } + else + { + return head; + } +} + +// Push a node into a higher node as a child. +function fromListPush(toPush, nodes) +{ + var h = toPush.height; + + // Maybe the node on this height does not exist. + if (nodes.length === h) + { + var node = { + ctor: '_Array', + height: h + 1, + table: [], + lengths: [] + }; + nodes.push(node); + } + + nodes[h].table.push(toPush); + var len = length(toPush); + if (nodes[h].lengths.length > 0) + { + len += nodes[h].lengths[nodes[h].lengths.length - 1]; + } + nodes[h].lengths.push(len); + + if (nodes[h].table.length === M) + { + fromListPush(nodes[h], nodes); + nodes[h] = { + ctor: '_Array', + height: h + 1, + table: [], + lengths: [] + }; + } +} + +// Pushes an item via push_ to the bottom right of a tree. +function push(item, a) +{ + var pushed = push_(item, a); + if (pushed !== null) + { + return pushed; + } + + var newTree = create(item, a.height); + return siblise(a, newTree); +} + +// Recursively tries to push an item to the bottom-right most +// tree possible. If there is no space left for the item, +// null will be returned. +function push_(item, a) +{ + // Handle resursion stop at leaf level. + if (a.height === 0) + { + if (a.table.length < M) + { + var newA = { + ctor: '_Array', + height: 0, + table: a.table.slice() + }; + newA.table.push(item); + return newA; + } + else + { + return null; + } + } + + // Recursively push + var pushed = push_(item, botRight(a)); + + // There was space in the bottom right tree, so the slot will + // be updated. + if (pushed !== null) + { + var newA = nodeCopy(a); + newA.table[newA.table.length - 1] = pushed; + newA.lengths[newA.lengths.length - 1]++; + return newA; + } + + // When there was no space left, check if there is space left + // for a new slot with a tree which contains only the item + // at the bottom. + if (a.table.length < M) + { + var newSlot = create(item, a.height - 1); + var newA = nodeCopy(a); + newA.table.push(newSlot); + newA.lengths.push(newA.lengths[newA.lengths.length - 1] + length(newSlot)); + return newA; + } + else + { + return null; + } +} + +// Converts an array into a list of elements. +function toList(a) +{ + return toList_(_elm_lang$core$Native_List.Nil, a); +} + +function toList_(list, a) +{ + for (var i = a.table.length - 1; i >= 0; i--) + { + list = + a.height === 0 + ? _elm_lang$core$Native_List.Cons(a.table[i], list) + : toList_(list, a.table[i]); + } + return list; +} + +// Maps a function over the elements of an array. +function map(f, a) +{ + var newA = { + ctor: '_Array', + height: a.height, + table: new Array(a.table.length) + }; + if (a.height > 0) + { + newA.lengths = a.lengths; + } + for (var i = 0; i < a.table.length; i++) + { + newA.table[i] = + a.height === 0 + ? f(a.table[i]) + : map(f, a.table[i]); + } + return newA; +} + +// Maps a function over the elements with their index as first argument. +function indexedMap(f, a) +{ + return indexedMap_(f, a, 0); +} + +function indexedMap_(f, a, from) +{ + var newA = { + ctor: '_Array', + height: a.height, + table: new Array(a.table.length) + }; + if (a.height > 0) + { + newA.lengths = a.lengths; + } + for (var i = 0; i < a.table.length; i++) + { + newA.table[i] = + a.height === 0 + ? A2(f, from + i, a.table[i]) + : indexedMap_(f, a.table[i], i == 0 ? from : from + a.lengths[i - 1]); + } + return newA; +} + +function foldl(f, b, a) +{ + if (a.height === 0) + { + for (var i = 0; i < a.table.length; i++) + { + b = A2(f, a.table[i], b); + } + } + else + { + for (var i = 0; i < a.table.length; i++) + { + b = foldl(f, b, a.table[i]); + } + } + return b; +} + +function foldr(f, b, a) +{ + if (a.height === 0) + { + for (var i = a.table.length; i--; ) + { + b = A2(f, a.table[i], b); + } + } + else + { + for (var i = a.table.length; i--; ) + { + b = foldr(f, b, a.table[i]); + } + } + return b; +} + +// TODO: currently, it slices the right, then the left. This can be +// optimized. +function slice(from, to, a) +{ + if (from < 0) + { + from += length(a); + } + if (to < 0) + { + to += length(a); + } + return sliceLeft(from, sliceRight(to, a)); +} + +function sliceRight(to, a) +{ + if (to === length(a)) + { + return a; + } + + // Handle leaf level. + if (a.height === 0) + { + var newA = { ctor:'_Array', height:0 }; + newA.table = a.table.slice(0, to); + return newA; + } + + // Slice the right recursively. + var right = getSlot(to, a); + var sliced = sliceRight(to - (right > 0 ? a.lengths[right - 1] : 0), a.table[right]); + + // Maybe the a node is not even needed, as sliced contains the whole slice. + if (right === 0) + { + return sliced; + } + + // Create new node. + var newA = { + ctor: '_Array', + height: a.height, + table: a.table.slice(0, right), + lengths: a.lengths.slice(0, right) + }; + if (sliced.table.length > 0) + { + newA.table[right] = sliced; + newA.lengths[right] = length(sliced) + (right > 0 ? newA.lengths[right - 1] : 0); + } + return newA; +} + +function sliceLeft(from, a) +{ + if (from === 0) + { + return a; + } + + // Handle leaf level. + if (a.height === 0) + { + var newA = { ctor:'_Array', height:0 }; + newA.table = a.table.slice(from, a.table.length + 1); + return newA; + } + + // Slice the left recursively. + var left = getSlot(from, a); + var sliced = sliceLeft(from - (left > 0 ? a.lengths[left - 1] : 0), a.table[left]); + + // Maybe the a node is not even needed, as sliced contains the whole slice. + if (left === a.table.length - 1) + { + return sliced; + } + + // Create new node. + var newA = { + ctor: '_Array', + height: a.height, + table: a.table.slice(left, a.table.length + 1), + lengths: new Array(a.table.length - left) + }; + newA.table[0] = sliced; + var len = 0; + for (var i = 0; i < newA.table.length; i++) + { + len += length(newA.table[i]); + newA.lengths[i] = len; + } + + return newA; +} + +// Appends two trees. +function append(a,b) +{ + if (a.table.length === 0) + { + return b; + } + if (b.table.length === 0) + { + return a; + } + + var c = append_(a, b); + + // Check if both nodes can be crunshed together. + if (c[0].table.length + c[1].table.length <= M) + { + if (c[0].table.length === 0) + { + return c[1]; + } + if (c[1].table.length === 0) + { + return c[0]; + } + + // Adjust .table and .lengths + c[0].table = c[0].table.concat(c[1].table); + if (c[0].height > 0) + { + var len = length(c[0]); + for (var i = 0; i < c[1].lengths.length; i++) + { + c[1].lengths[i] += len; + } + c[0].lengths = c[0].lengths.concat(c[1].lengths); + } + + return c[0]; + } + + if (c[0].height > 0) + { + var toRemove = calcToRemove(a, b); + if (toRemove > E) + { + c = shuffle(c[0], c[1], toRemove); + } + } + + return siblise(c[0], c[1]); +} + +// Returns an array of two nodes; right and left. One node _may_ be empty. +function append_(a, b) +{ + if (a.height === 0 && b.height === 0) + { + return [a, b]; + } + + if (a.height !== 1 || b.height !== 1) + { + if (a.height === b.height) + { + a = nodeCopy(a); + b = nodeCopy(b); + var appended = append_(botRight(a), botLeft(b)); + + insertRight(a, appended[1]); + insertLeft(b, appended[0]); + } + else if (a.height > b.height) + { + a = nodeCopy(a); + var appended = append_(botRight(a), b); + + insertRight(a, appended[0]); + b = parentise(appended[1], appended[1].height + 1); + } + else + { + b = nodeCopy(b); + var appended = append_(a, botLeft(b)); + + var left = appended[0].table.length === 0 ? 0 : 1; + var right = left === 0 ? 1 : 0; + insertLeft(b, appended[left]); + a = parentise(appended[right], appended[right].height + 1); + } + } + + // Check if balancing is needed and return based on that. + if (a.table.length === 0 || b.table.length === 0) + { + return [a, b]; + } + + var toRemove = calcToRemove(a, b); + if (toRemove <= E) + { + return [a, b]; + } + return shuffle(a, b, toRemove); +} + +// Helperfunctions for append_. Replaces a child node at the side of the parent. +function insertRight(parent, node) +{ + var index = parent.table.length - 1; + parent.table[index] = node; + parent.lengths[index] = length(node); + parent.lengths[index] += index > 0 ? parent.lengths[index - 1] : 0; +} + +function insertLeft(parent, node) +{ + if (node.table.length > 0) + { + parent.table[0] = node; + parent.lengths[0] = length(node); + + var len = length(parent.table[0]); + for (var i = 1; i < parent.lengths.length; i++) + { + len += length(parent.table[i]); + parent.lengths[i] = len; + } + } + else + { + parent.table.shift(); + for (var i = 1; i < parent.lengths.length; i++) + { + parent.lengths[i] = parent.lengths[i] - parent.lengths[0]; + } + parent.lengths.shift(); + } +} + +// Returns the extra search steps for E. Refer to the paper. +function calcToRemove(a, b) +{ + var subLengths = 0; + for (var i = 0; i < a.table.length; i++) + { + subLengths += a.table[i].table.length; + } + for (var i = 0; i < b.table.length; i++) + { + subLengths += b.table[i].table.length; + } + + var toRemove = a.table.length + b.table.length; + return toRemove - (Math.floor((subLengths - 1) / M) + 1); +} + +// get2, set2 and saveSlot are helpers for accessing elements over two arrays. +function get2(a, b, index) +{ + return index < a.length + ? a[index] + : b[index - a.length]; +} + +function set2(a, b, index, value) +{ + if (index < a.length) + { + a[index] = value; + } + else + { + b[index - a.length] = value; + } +} + +function saveSlot(a, b, index, slot) +{ + set2(a.table, b.table, index, slot); + + var l = (index === 0 || index === a.lengths.length) + ? 0 + : get2(a.lengths, a.lengths, index - 1); + + set2(a.lengths, b.lengths, index, l + length(slot)); +} + +// Creates a node or leaf with a given length at their arrays for perfomance. +// Is only used by shuffle. +function createNode(h, length) +{ + if (length < 0) + { + length = 0; + } + var a = { + ctor: '_Array', + height: h, + table: new Array(length) + }; + if (h > 0) + { + a.lengths = new Array(length); + } + return a; +} + +// Returns an array of two balanced nodes. +function shuffle(a, b, toRemove) +{ + var newA = createNode(a.height, Math.min(M, a.table.length + b.table.length - toRemove)); + var newB = createNode(a.height, newA.table.length - (a.table.length + b.table.length - toRemove)); + + // Skip the slots with size M. More precise: copy the slot references + // to the new node + var read = 0; + while (get2(a.table, b.table, read).table.length % M === 0) + { + set2(newA.table, newB.table, read, get2(a.table, b.table, read)); + set2(newA.lengths, newB.lengths, read, get2(a.lengths, b.lengths, read)); + read++; + } + + // Pulling items from left to right, caching in a slot before writing + // it into the new nodes. + var write = read; + var slot = new createNode(a.height - 1, 0); + var from = 0; + + // If the current slot is still containing data, then there will be at + // least one more write, so we do not break this loop yet. + while (read - write - (slot.table.length > 0 ? 1 : 0) < toRemove) + { + // Find out the max possible items for copying. + var source = get2(a.table, b.table, read); + var to = Math.min(M - slot.table.length, source.table.length); + + // Copy and adjust size table. + slot.table = slot.table.concat(source.table.slice(from, to)); + if (slot.height > 0) + { + var len = slot.lengths.length; + for (var i = len; i < len + to - from; i++) + { + slot.lengths[i] = length(slot.table[i]); + slot.lengths[i] += (i > 0 ? slot.lengths[i - 1] : 0); + } + } + + from += to; + + // Only proceed to next slots[i] if the current one was + // fully copied. + if (source.table.length <= to) + { + read++; from = 0; + } + + // Only create a new slot if the current one is filled up. + if (slot.table.length === M) + { + saveSlot(newA, newB, write, slot); + slot = createNode(a.height - 1, 0); + write++; + } + } + + // Cleanup after the loop. Copy the last slot into the new nodes. + if (slot.table.length > 0) + { + saveSlot(newA, newB, write, slot); + write++; + } + + // Shift the untouched slots to the left + while (read < a.table.length + b.table.length ) + { + saveSlot(newA, newB, write, get2(a.table, b.table, read)); + read++; + write++; + } + + return [newA, newB]; +} + +// Navigation functions +function botRight(a) +{ + return a.table[a.table.length - 1]; +} +function botLeft(a) +{ + return a.table[0]; +} + +// Copies a node for updating. Note that you should not use this if +// only updating only one of "table" or "lengths" for performance reasons. +function nodeCopy(a) +{ + var newA = { + ctor: '_Array', + height: a.height, + table: a.table.slice() + }; + if (a.height > 0) + { + newA.lengths = a.lengths.slice(); + } + return newA; +} + +// Returns how many items are in the tree. +function length(array) +{ + if (array.height === 0) + { + return array.table.length; + } + else + { + return array.lengths[array.lengths.length - 1]; + } +} + +// Calculates in which slot of "table" the item probably is, then +// find the exact slot via forward searching in "lengths". Returns the index. +function getSlot(i, a) +{ + var slot = i >> (5 * a.height); + while (a.lengths[slot] <= i) + { + slot++; + } + return slot; +} + +// Recursively creates a tree with a given height containing +// only the given item. +function create(item, h) +{ + if (h === 0) + { + return { + ctor: '_Array', + height: 0, + table: [item] + }; + } + return { + ctor: '_Array', + height: h, + table: [create(item, h - 1)], + lengths: [1] + }; +} + +// Recursively creates a tree that contains the given tree. +function parentise(tree, h) +{ + if (h === tree.height) + { + return tree; + } + + return { + ctor: '_Array', + height: h, + table: [parentise(tree, h - 1)], + lengths: [length(tree)] + }; +} + +// Emphasizes blood brotherhood beneath two trees. +function siblise(a, b) +{ + return { + ctor: '_Array', + height: a.height + 1, + table: [a, b], + lengths: [length(a), length(a) + length(b)] + }; +} + +function toJSArray(a) +{ + var jsArray = new Array(length(a)); + toJSArray_(jsArray, 0, a); + return jsArray; +} + +function toJSArray_(jsArray, i, a) +{ + for (var t = 0; t < a.table.length; t++) + { + if (a.height === 0) + { + jsArray[i + t] = a.table[t]; + } + else + { + var inc = t === 0 ? 0 : a.lengths[t - 1]; + toJSArray_(jsArray, i + inc, a.table[t]); + } + } +} + +function fromJSArray(jsArray) +{ + if (jsArray.length === 0) + { + return empty; + } + var h = Math.floor(Math.log(jsArray.length) / Math.log(M)); + return fromJSArray_(jsArray, h, 0, jsArray.length); +} + +function fromJSArray_(jsArray, h, from, to) +{ + if (h === 0) + { + return { + ctor: '_Array', + height: 0, + table: jsArray.slice(from, to) + }; + } + + var step = Math.pow(M, h); + var table = new Array(Math.ceil((to - from) / step)); + var lengths = new Array(table.length); + for (var i = 0; i < table.length; i++) + { + table[i] = fromJSArray_(jsArray, h - 1, from + (i * step), Math.min(from + ((i + 1) * step), to)); + lengths[i] = length(table[i]) + (i > 0 ? lengths[i - 1] : 0); + } + return { + ctor: '_Array', + height: h, + table: table, + lengths: lengths + }; +} + +return { + empty: empty, + fromList: fromList, + toList: toList, + initialize: F2(initialize), + append: F2(append), + push: F2(push), + slice: F3(slice), + get: F2(get), + set: F3(set), + map: F2(map), + indexedMap: F2(indexedMap), + foldl: F3(foldl), + foldr: F3(foldr), + length: length, + + toJSArray: toJSArray, + fromJSArray: fromJSArray +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Basics.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Basics.js new file mode 100644 index 0000000..1d97bf3 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Basics.js @@ -0,0 +1,141 @@ +//import Native.Utils // + +var _elm_lang$core$Native_Basics = function() { + +function div(a, b) +{ + return (a / b) | 0; +} +function rem(a, b) +{ + return a % b; +} +function mod(a, b) +{ + if (b === 0) + { + throw new Error('Cannot perform mod 0. Division by zero error.'); + } + var r = a % b; + var m = a === 0 ? 0 : (b > 0 ? (a >= 0 ? r : r + b) : -mod(-a, -b)); + + return m === b ? 0 : m; +} +function logBase(base, n) +{ + return Math.log(n) / Math.log(base); +} +function negate(n) +{ + return -n; +} +function abs(n) +{ + return n < 0 ? -n : n; +} + +function min(a, b) +{ + return _elm_lang$core$Native_Utils.cmp(a, b) < 0 ? a : b; +} +function max(a, b) +{ + return _elm_lang$core$Native_Utils.cmp(a, b) > 0 ? a : b; +} +function clamp(lo, hi, n) +{ + return _elm_lang$core$Native_Utils.cmp(n, lo) < 0 + ? lo + : _elm_lang$core$Native_Utils.cmp(n, hi) > 0 + ? hi + : n; +} + +var ord = ['LT', 'EQ', 'GT']; + +function compare(x, y) +{ + return { ctor: ord[_elm_lang$core$Native_Utils.cmp(x, y) + 1] }; +} + +function xor(a, b) +{ + return a !== b; +} +function not(b) +{ + return !b; +} +function isInfinite(n) +{ + return n === Infinity || n === -Infinity; +} + +function truncate(n) +{ + return n | 0; +} + +function degrees(d) +{ + return d * Math.PI / 180; +} +function turns(t) +{ + return 2 * Math.PI * t; +} +function fromPolar(point) +{ + var r = point._0; + var t = point._1; + return _elm_lang$core$Native_Utils.Tuple2(r * Math.cos(t), r * Math.sin(t)); +} +function toPolar(point) +{ + var x = point._0; + var y = point._1; + return _elm_lang$core$Native_Utils.Tuple2(Math.sqrt(x * x + y * y), Math.atan2(y, x)); +} + +return { + div: F2(div), + rem: F2(rem), + mod: F2(mod), + + pi: Math.PI, + e: Math.E, + cos: Math.cos, + sin: Math.sin, + tan: Math.tan, + acos: Math.acos, + asin: Math.asin, + atan: Math.atan, + atan2: F2(Math.atan2), + + degrees: degrees, + turns: turns, + fromPolar: fromPolar, + toPolar: toPolar, + + sqrt: Math.sqrt, + logBase: F2(logBase), + negate: negate, + abs: abs, + min: F2(min), + max: F2(max), + clamp: F3(clamp), + compare: F2(compare), + + xor: F2(xor), + not: not, + + truncate: truncate, + ceiling: Math.ceil, + floor: Math.floor, + round: Math.round, + toFloat: function(x) { return x; }, + isNaN: isNaN, + isInfinite: isInfinite +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Bitwise.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Bitwise.js new file mode 100644 index 0000000..a597f82 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Bitwise.js @@ -0,0 +1,13 @@ +var _elm_lang$core$Native_Bitwise = function() { + +return { + and: F2(function and(a, b) { return a & b; }), + or: F2(function or(a, b) { return a | b; }), + xor: F2(function xor(a, b) { return a ^ b; }), + complement: function complement(a) { return ~a; }, + shiftLeftBy: F2(function(offset, a) { return a << offset; }), + shiftRightBy: F2(function(offset, a) { return a >> offset; }), + shiftRightZfBy: F2(function(offset, a) { return a >>> offset; }) +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Char.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Char.js new file mode 100644 index 0000000..56c2957 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Char.js @@ -0,0 +1,14 @@ +//import Native.Utils // + +var _elm_lang$core$Native_Char = function() { + +return { + fromCode: function(c) { return _elm_lang$core$Native_Utils.chr(String.fromCharCode(c)); }, + toCode: function(c) { return c.charCodeAt(0); }, + toUpper: function(c) { return _elm_lang$core$Native_Utils.chr(c.toUpperCase()); }, + toLower: function(c) { return _elm_lang$core$Native_Utils.chr(c.toLowerCase()); }, + toLocaleUpper: function(c) { return _elm_lang$core$Native_Utils.chr(c.toLocaleUpperCase()); }, + toLocaleLower: function(c) { return _elm_lang$core$Native_Utils.chr(c.toLocaleLowerCase()); } +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Date.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Date.js new file mode 100644 index 0000000..cb64193 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Date.js @@ -0,0 +1,33 @@ +//import Result // + +var _elm_lang$core$Native_Date = function() { + +function fromString(str) +{ + var date = new Date(str); + return isNaN(date.getTime()) + ? _elm_lang$core$Result$Err('Unable to parse \'' + str + '\' as a date. Dates must be in the ISO 8601 format.') + : _elm_lang$core$Result$Ok(date); +} + +var dayTable = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']; +var monthTable = + ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', + 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; + + +return { + fromString: fromString, + year: function(d) { return d.getFullYear(); }, + month: function(d) { return { ctor: monthTable[d.getMonth()] }; }, + day: function(d) { return d.getDate(); }, + hour: function(d) { return d.getHours(); }, + minute: function(d) { return d.getMinutes(); }, + second: function(d) { return d.getSeconds(); }, + millisecond: function(d) { return d.getMilliseconds(); }, + toTime: function(d) { return d.getTime(); }, + fromTime: function(t) { return new Date(t); }, + dayOfWeek: function(d) { return { ctor: dayTable[d.getDay()] }; } +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Debug.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Debug.js new file mode 100644 index 0000000..15ce1dc --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Debug.js @@ -0,0 +1,30 @@ +//import Native.Utils // + +var _elm_lang$core$Native_Debug = function() { + +function log(tag, value) +{ + var msg = tag + ': ' + _elm_lang$core$Native_Utils.toString(value); + var process = process || {}; + if (process.stdout) + { + process.stdout.write(msg); + } + else + { + console.log(msg); + } + return value; +} + +function crash(message) +{ + throw new Error(message); +} + +return { + crash: crash, + log: F2(log) +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Json.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Json.js new file mode 100644 index 0000000..61df889 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Json.js @@ -0,0 +1,575 @@ +//import Maybe, Native.Array, Native.List, Native.Utils, Result // + +var _elm_lang$core$Native_Json = function() { + + +// CORE DECODERS + +function succeed(msg) +{ + return { + ctor: '', + tag: 'succeed', + msg: msg + }; +} + +function fail(msg) +{ + return { + ctor: '', + tag: 'fail', + msg: msg + }; +} + +function decodePrimitive(tag) +{ + return { + ctor: '', + tag: tag + }; +} + +function decodeContainer(tag, decoder) +{ + return { + ctor: '', + tag: tag, + decoder: decoder + }; +} + +function decodeNull(value) +{ + return { + ctor: '', + tag: 'null', + value: value + }; +} + +function decodeField(field, decoder) +{ + return { + ctor: '', + tag: 'field', + field: field, + decoder: decoder + }; +} + +function decodeIndex(index, decoder) +{ + return { + ctor: '', + tag: 'index', + index: index, + decoder: decoder + }; +} + +function decodeKeyValuePairs(decoder) +{ + return { + ctor: '', + tag: 'key-value', + decoder: decoder + }; +} + +function mapMany(f, decoders) +{ + return { + ctor: '', + tag: 'map-many', + func: f, + decoders: decoders + }; +} + +function andThen(callback, decoder) +{ + return { + ctor: '', + tag: 'andThen', + decoder: decoder, + callback: callback + }; +} + +function oneOf(decoders) +{ + return { + ctor: '', + tag: 'oneOf', + decoders: decoders + }; +} + + +// DECODING OBJECTS + +function map1(f, d1) +{ + return mapMany(f, [d1]); +} + +function map2(f, d1, d2) +{ + return mapMany(f, [d1, d2]); +} + +function map3(f, d1, d2, d3) +{ + return mapMany(f, [d1, d2, d3]); +} + +function map4(f, d1, d2, d3, d4) +{ + return mapMany(f, [d1, d2, d3, d4]); +} + +function map5(f, d1, d2, d3, d4, d5) +{ + return mapMany(f, [d1, d2, d3, d4, d5]); +} + +function map6(f, d1, d2, d3, d4, d5, d6) +{ + return mapMany(f, [d1, d2, d3, d4, d5, d6]); +} + +function map7(f, d1, d2, d3, d4, d5, d6, d7) +{ + return mapMany(f, [d1, d2, d3, d4, d5, d6, d7]); +} + +function map8(f, d1, d2, d3, d4, d5, d6, d7, d8) +{ + return mapMany(f, [d1, d2, d3, d4, d5, d6, d7, d8]); +} + + +// DECODE HELPERS + +function ok(value) +{ + return { tag: 'ok', value: value }; +} + +function badPrimitive(type, value) +{ + return { tag: 'primitive', type: type, value: value }; +} + +function badIndex(index, nestedProblems) +{ + return { tag: 'index', index: index, rest: nestedProblems }; +} + +function badField(field, nestedProblems) +{ + return { tag: 'field', field: field, rest: nestedProblems }; +} + +function badIndex(index, nestedProblems) +{ + return { tag: 'index', index: index, rest: nestedProblems }; +} + +function badOneOf(problems) +{ + return { tag: 'oneOf', problems: problems }; +} + +function bad(msg) +{ + return { tag: 'fail', msg: msg }; +} + +function badToString(problem) +{ + var context = '_'; + while (problem) + { + switch (problem.tag) + { + case 'primitive': + return 'Expecting ' + problem.type + + (context === '_' ? '' : ' at ' + context) + + ' but instead got: ' + jsToString(problem.value); + + case 'index': + context += '[' + problem.index + ']'; + problem = problem.rest; + break; + + case 'field': + context += '.' + problem.field; + problem = problem.rest; + break; + + case 'oneOf': + var problems = problem.problems; + for (var i = 0; i < problems.length; i++) + { + problems[i] = badToString(problems[i]); + } + return 'I ran into the following problems' + + (context === '_' ? '' : ' at ' + context) + + ':\n\n' + problems.join('\n'); + + case 'fail': + return 'I ran into a `fail` decoder' + + (context === '_' ? '' : ' at ' + context) + + ': ' + problem.msg; + } + } +} + +function jsToString(value) +{ + return value === undefined + ? 'undefined' + : JSON.stringify(value); +} + + +// DECODE + +function runOnString(decoder, string) +{ + var json; + try + { + json = JSON.parse(string); + } + catch (e) + { + return _elm_lang$core$Result$Err('Given an invalid JSON: ' + e.message); + } + return run(decoder, json); +} + +function run(decoder, value) +{ + var result = runHelp(decoder, value); + return (result.tag === 'ok') + ? _elm_lang$core$Result$Ok(result.value) + : _elm_lang$core$Result$Err(badToString(result)); +} + +function runHelp(decoder, value) +{ + switch (decoder.tag) + { + case 'bool': + return (typeof value === 'boolean') + ? ok(value) + : badPrimitive('a Bool', value); + + case 'int': + if (typeof value !== 'number') { + return badPrimitive('an Int', value); + } + + if (-2147483647 < value && value < 2147483647 && (value | 0) === value) { + return ok(value); + } + + if (isFinite(value) && !(value % 1)) { + return ok(value); + } + + return badPrimitive('an Int', value); + + case 'float': + return (typeof value === 'number') + ? ok(value) + : badPrimitive('a Float', value); + + case 'string': + return (typeof value === 'string') + ? ok(value) + : (value instanceof String) + ? ok(value + '') + : badPrimitive('a String', value); + + case 'null': + return (value === null) + ? ok(decoder.value) + : badPrimitive('null', value); + + case 'value': + return ok(value); + + case 'list': + if (!(value instanceof Array)) + { + return badPrimitive('a List', value); + } + + var list = _elm_lang$core$Native_List.Nil; + for (var i = value.length; i--; ) + { + var result = runHelp(decoder.decoder, value[i]); + if (result.tag !== 'ok') + { + return badIndex(i, result) + } + list = _elm_lang$core$Native_List.Cons(result.value, list); + } + return ok(list); + + case 'array': + if (!(value instanceof Array)) + { + return badPrimitive('an Array', value); + } + + var len = value.length; + var array = new Array(len); + for (var i = len; i--; ) + { + var result = runHelp(decoder.decoder, value[i]); + if (result.tag !== 'ok') + { + return badIndex(i, result); + } + array[i] = result.value; + } + return ok(_elm_lang$core$Native_Array.fromJSArray(array)); + + case 'maybe': + var result = runHelp(decoder.decoder, value); + return (result.tag === 'ok') + ? ok(_elm_lang$core$Maybe$Just(result.value)) + : ok(_elm_lang$core$Maybe$Nothing); + + case 'field': + var field = decoder.field; + if (typeof value !== 'object' || value === null || !(field in value)) + { + return badPrimitive('an object with a field named `' + field + '`', value); + } + + var result = runHelp(decoder.decoder, value[field]); + return (result.tag === 'ok') ? result : badField(field, result); + + case 'index': + var index = decoder.index; + if (!(value instanceof Array)) + { + return badPrimitive('an array', value); + } + if (index >= value.length) + { + return badPrimitive('a longer array. Need index ' + index + ' but there are only ' + value.length + ' entries', value); + } + + var result = runHelp(decoder.decoder, value[index]); + return (result.tag === 'ok') ? result : badIndex(index, result); + + case 'key-value': + if (typeof value !== 'object' || value === null || value instanceof Array) + { + return badPrimitive('an object', value); + } + + var keyValuePairs = _elm_lang$core$Native_List.Nil; + for (var key in value) + { + var result = runHelp(decoder.decoder, value[key]); + if (result.tag !== 'ok') + { + return badField(key, result); + } + var pair = _elm_lang$core$Native_Utils.Tuple2(key, result.value); + keyValuePairs = _elm_lang$core$Native_List.Cons(pair, keyValuePairs); + } + return ok(keyValuePairs); + + case 'map-many': + var answer = decoder.func; + var decoders = decoder.decoders; + for (var i = 0; i < decoders.length; i++) + { + var result = runHelp(decoders[i], value); + if (result.tag !== 'ok') + { + return result; + } + answer = answer(result.value); + } + return ok(answer); + + case 'andThen': + var result = runHelp(decoder.decoder, value); + return (result.tag !== 'ok') + ? result + : runHelp(decoder.callback(result.value), value); + + case 'oneOf': + var errors = []; + var temp = decoder.decoders; + while (temp.ctor !== '[]') + { + var result = runHelp(temp._0, value); + + if (result.tag === 'ok') + { + return result; + } + + errors.push(result); + + temp = temp._1; + } + return badOneOf(errors); + + case 'fail': + return bad(decoder.msg); + + case 'succeed': + return ok(decoder.msg); + } +} + + +// EQUALITY + +function equality(a, b) +{ + if (a === b) + { + return true; + } + + if (a.tag !== b.tag) + { + return false; + } + + switch (a.tag) + { + case 'succeed': + case 'fail': + return a.msg === b.msg; + + case 'bool': + case 'int': + case 'float': + case 'string': + case 'value': + return true; + + case 'null': + return a.value === b.value; + + case 'list': + case 'array': + case 'maybe': + case 'key-value': + return equality(a.decoder, b.decoder); + + case 'field': + return a.field === b.field && equality(a.decoder, b.decoder); + + case 'index': + return a.index === b.index && equality(a.decoder, b.decoder); + + case 'map-many': + if (a.func !== b.func) + { + return false; + } + return listEquality(a.decoders, b.decoders); + + case 'andThen': + return a.callback === b.callback && equality(a.decoder, b.decoder); + + case 'oneOf': + return listEquality(a.decoders, b.decoders); + } +} + +function listEquality(aDecoders, bDecoders) +{ + var len = aDecoders.length; + if (len !== bDecoders.length) + { + return false; + } + for (var i = 0; i < len; i++) + { + if (!equality(aDecoders[i], bDecoders[i])) + { + return false; + } + } + return true; +} + + +// ENCODE + +function encode(indentLevel, value) +{ + return JSON.stringify(value, null, indentLevel); +} + +function identity(value) +{ + return value; +} + +function encodeObject(keyValuePairs) +{ + var obj = {}; + while (keyValuePairs.ctor !== '[]') + { + var pair = keyValuePairs._0; + obj[pair._0] = pair._1; + keyValuePairs = keyValuePairs._1; + } + return obj; +} + +return { + encode: F2(encode), + runOnString: F2(runOnString), + run: F2(run), + + decodeNull: decodeNull, + decodePrimitive: decodePrimitive, + decodeContainer: F2(decodeContainer), + + decodeField: F2(decodeField), + decodeIndex: F2(decodeIndex), + + map1: F2(map1), + map2: F3(map2), + map3: F4(map3), + map4: F5(map4), + map5: F6(map5), + map6: F7(map6), + map7: F8(map7), + map8: F9(map8), + decodeKeyValuePairs: decodeKeyValuePairs, + + andThen: F2(andThen), + fail: fail, + succeed: succeed, + oneOf: oneOf, + + identity: identity, + encodeNull: null, + encodeArray: _elm_lang$core$Native_Array.toJSArray, + encodeList: _elm_lang$core$Native_List.toArray, + encodeObject: encodeObject, + + equality: equality +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/List.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/List.js new file mode 100644 index 0000000..ccefb9c --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/List.js @@ -0,0 +1,137 @@ +//import Native.Utils // + +var _elm_lang$core$Native_List = function() { + +var Nil = { ctor: '[]' }; + +function Cons(hd, tl) +{ + return { ctor: '::', _0: hd, _1: tl }; +} + +function fromArray(arr) +{ + var out = Nil; + for (var i = arr.length; i--; ) + { + out = Cons(arr[i], out); + } + return out; +} + +function toArray(xs) +{ + var out = []; + while (xs.ctor !== '[]') + { + out.push(xs._0); + xs = xs._1; + } + return out; +} + +function foldr(f, b, xs) +{ + var arr = toArray(xs); + var acc = b; + for (var i = arr.length; i--; ) + { + acc = A2(f, arr[i], acc); + } + return acc; +} + +function map2(f, xs, ys) +{ + var arr = []; + while (xs.ctor !== '[]' && ys.ctor !== '[]') + { + arr.push(A2(f, xs._0, ys._0)); + xs = xs._1; + ys = ys._1; + } + return fromArray(arr); +} + +function map3(f, xs, ys, zs) +{ + var arr = []; + while (xs.ctor !== '[]' && ys.ctor !== '[]' && zs.ctor !== '[]') + { + arr.push(A3(f, xs._0, ys._0, zs._0)); + xs = xs._1; + ys = ys._1; + zs = zs._1; + } + return fromArray(arr); +} + +function map4(f, ws, xs, ys, zs) +{ + var arr = []; + while ( ws.ctor !== '[]' + && xs.ctor !== '[]' + && ys.ctor !== '[]' + && zs.ctor !== '[]') + { + arr.push(A4(f, ws._0, xs._0, ys._0, zs._0)); + ws = ws._1; + xs = xs._1; + ys = ys._1; + zs = zs._1; + } + return fromArray(arr); +} + +function map5(f, vs, ws, xs, ys, zs) +{ + var arr = []; + while ( vs.ctor !== '[]' + && ws.ctor !== '[]' + && xs.ctor !== '[]' + && ys.ctor !== '[]' + && zs.ctor !== '[]') + { + arr.push(A5(f, vs._0, ws._0, xs._0, ys._0, zs._0)); + vs = vs._1; + ws = ws._1; + xs = xs._1; + ys = ys._1; + zs = zs._1; + } + return fromArray(arr); +} + +function sortBy(f, xs) +{ + return fromArray(toArray(xs).sort(function(a, b) { + return _elm_lang$core$Native_Utils.cmp(f(a), f(b)); + })); +} + +function sortWith(f, xs) +{ + return fromArray(toArray(xs).sort(function(a, b) { + var ord = f(a)(b).ctor; + return ord === 'EQ' ? 0 : ord === 'LT' ? -1 : 1; + })); +} + +return { + Nil: Nil, + Cons: Cons, + cons: F2(Cons), + toArray: toArray, + fromArray: fromArray, + + foldr: F3(foldr), + + map2: F3(map2), + map3: F4(map3), + map4: F5(map4), + map5: F6(map5), + sortBy: F2(sortBy), + sortWith: F2(sortWith) +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Platform.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Platform.js new file mode 100644 index 0000000..bd6da19 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Platform.js @@ -0,0 +1,559 @@ +//import // + +var _elm_lang$core$Native_Platform = function() { + + +// PROGRAMS + +function program(impl) +{ + return function(flagDecoder) + { + return function(object, moduleName) + { + object['worker'] = function worker(flags) + { + if (typeof flags !== 'undefined') + { + throw new Error( + 'The `' + moduleName + '` module does not need flags.\n' + + 'Call ' + moduleName + '.worker() with no arguments and you should be all set!' + ); + } + + return initialize( + impl.init, + impl.update, + impl.subscriptions, + renderer + ); + }; + }; + }; +} + +function programWithFlags(impl) +{ + return function(flagDecoder) + { + return function(object, moduleName) + { + object['worker'] = function worker(flags) + { + if (typeof flagDecoder === 'undefined') + { + throw new Error( + 'Are you trying to sneak a Never value into Elm? Trickster!\n' + + 'It looks like ' + moduleName + '.main is defined with `programWithFlags` but has type `Program Never`.\n' + + 'Use `program` instead if you do not want flags.' + ); + } + + var result = A2(_elm_lang$core$Native_Json.run, flagDecoder, flags); + if (result.ctor === 'Err') + { + throw new Error( + moduleName + '.worker(...) was called with an unexpected argument.\n' + + 'I tried to convert it to an Elm value, but ran into this problem:\n\n' + + result._0 + ); + } + + return initialize( + impl.init(result._0), + impl.update, + impl.subscriptions, + renderer + ); + }; + }; + }; +} + +function renderer(enqueue, _) +{ + return function(_) {}; +} + + +// HTML TO PROGRAM + +function htmlToProgram(vnode) +{ + var emptyBag = batch(_elm_lang$core$Native_List.Nil); + var noChange = _elm_lang$core$Native_Utils.Tuple2( + _elm_lang$core$Native_Utils.Tuple0, + emptyBag + ); + + return _elm_lang$virtual_dom$VirtualDom$program({ + init: noChange, + view: function(model) { return main; }, + update: F2(function(msg, model) { return noChange; }), + subscriptions: function (model) { return emptyBag; } + }); +} + + +// INITIALIZE A PROGRAM + +function initialize(init, update, subscriptions, renderer) +{ + // ambient state + var managers = {}; + var updateView; + + // init and update state in main process + var initApp = _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) { + var model = init._0; + updateView = renderer(enqueue, model); + var cmds = init._1; + var subs = subscriptions(model); + dispatchEffects(managers, cmds, subs); + callback(_elm_lang$core$Native_Scheduler.succeed(model)); + }); + + function onMessage(msg, model) + { + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) { + var results = A2(update, msg, model); + model = results._0; + updateView(model); + var cmds = results._1; + var subs = subscriptions(model); + dispatchEffects(managers, cmds, subs); + callback(_elm_lang$core$Native_Scheduler.succeed(model)); + }); + } + + var mainProcess = spawnLoop(initApp, onMessage); + + function enqueue(msg) + { + _elm_lang$core$Native_Scheduler.rawSend(mainProcess, msg); + } + + var ports = setupEffects(managers, enqueue); + + return ports ? { ports: ports } : {}; +} + + +// EFFECT MANAGERS + +var effectManagers = {}; + +function setupEffects(managers, callback) +{ + var ports; + + // setup all necessary effect managers + for (var key in effectManagers) + { + var manager = effectManagers[key]; + + if (manager.isForeign) + { + ports = ports || {}; + ports[key] = manager.tag === 'cmd' + ? setupOutgoingPort(key) + : setupIncomingPort(key, callback); + } + + managers[key] = makeManager(manager, callback); + } + + return ports; +} + +function makeManager(info, callback) +{ + var router = { + main: callback, + self: undefined + }; + + var tag = info.tag; + var onEffects = info.onEffects; + var onSelfMsg = info.onSelfMsg; + + function onMessage(msg, state) + { + if (msg.ctor === 'self') + { + return A3(onSelfMsg, router, msg._0, state); + } + + var fx = msg._0; + switch (tag) + { + case 'cmd': + return A3(onEffects, router, fx.cmds, state); + + case 'sub': + return A3(onEffects, router, fx.subs, state); + + case 'fx': + return A4(onEffects, router, fx.cmds, fx.subs, state); + } + } + + var process = spawnLoop(info.init, onMessage); + router.self = process; + return process; +} + +function sendToApp(router, msg) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + router.main(msg); + callback(_elm_lang$core$Native_Scheduler.succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + +function sendToSelf(router, msg) +{ + return A2(_elm_lang$core$Native_Scheduler.send, router.self, { + ctor: 'self', + _0: msg + }); +} + + +// HELPER for STATEFUL LOOPS + +function spawnLoop(init, onMessage) +{ + var andThen = _elm_lang$core$Native_Scheduler.andThen; + + function loop(state) + { + var handleMsg = _elm_lang$core$Native_Scheduler.receive(function(msg) { + return onMessage(msg, state); + }); + return A2(andThen, loop, handleMsg); + } + + var task = A2(andThen, loop, init); + + return _elm_lang$core$Native_Scheduler.rawSpawn(task); +} + + +// BAGS + +function leaf(home) +{ + return function(value) + { + return { + type: 'leaf', + home: home, + value: value + }; + }; +} + +function batch(list) +{ + return { + type: 'node', + branches: list + }; +} + +function map(tagger, bag) +{ + return { + type: 'map', + tagger: tagger, + tree: bag + } +} + + +// PIPE BAGS INTO EFFECT MANAGERS + +function dispatchEffects(managers, cmdBag, subBag) +{ + var effectsDict = {}; + gatherEffects(true, cmdBag, effectsDict, null); + gatherEffects(false, subBag, effectsDict, null); + + for (var home in managers) + { + var fx = home in effectsDict + ? effectsDict[home] + : { + cmds: _elm_lang$core$Native_List.Nil, + subs: _elm_lang$core$Native_List.Nil + }; + + _elm_lang$core$Native_Scheduler.rawSend(managers[home], { ctor: 'fx', _0: fx }); + } +} + +function gatherEffects(isCmd, bag, effectsDict, taggers) +{ + switch (bag.type) + { + case 'leaf': + var home = bag.home; + var effect = toEffect(isCmd, home, taggers, bag.value); + effectsDict[home] = insert(isCmd, effect, effectsDict[home]); + return; + + case 'node': + var list = bag.branches; + while (list.ctor !== '[]') + { + gatherEffects(isCmd, list._0, effectsDict, taggers); + list = list._1; + } + return; + + case 'map': + gatherEffects(isCmd, bag.tree, effectsDict, { + tagger: bag.tagger, + rest: taggers + }); + return; + } +} + +function toEffect(isCmd, home, taggers, value) +{ + function applyTaggers(x) + { + var temp = taggers; + while (temp) + { + x = temp.tagger(x); + temp = temp.rest; + } + return x; + } + + var map = isCmd + ? effectManagers[home].cmdMap + : effectManagers[home].subMap; + + return A2(map, applyTaggers, value) +} + +function insert(isCmd, newEffect, effects) +{ + effects = effects || { + cmds: _elm_lang$core$Native_List.Nil, + subs: _elm_lang$core$Native_List.Nil + }; + if (isCmd) + { + effects.cmds = _elm_lang$core$Native_List.Cons(newEffect, effects.cmds); + return effects; + } + effects.subs = _elm_lang$core$Native_List.Cons(newEffect, effects.subs); + return effects; +} + + +// PORTS + +function checkPortName(name) +{ + if (name in effectManagers) + { + throw new Error('There can only be one port named `' + name + '`, but your program has multiple.'); + } +} + + +// OUTGOING PORTS + +function outgoingPort(name, converter) +{ + checkPortName(name); + effectManagers[name] = { + tag: 'cmd', + cmdMap: outgoingPortMap, + converter: converter, + isForeign: true + }; + return leaf(name); +} + +var outgoingPortMap = F2(function cmdMap(tagger, value) { + return value; +}); + +function setupOutgoingPort(name) +{ + var subs = []; + var converter = effectManagers[name].converter; + + // CREATE MANAGER + + var init = _elm_lang$core$Native_Scheduler.succeed(null); + + function onEffects(router, cmdList, state) + { + while (cmdList.ctor !== '[]') + { + // grab a separate reference to subs in case unsubscribe is called + var currentSubs = subs; + var value = converter(cmdList._0); + for (var i = 0; i < currentSubs.length; i++) + { + currentSubs[i](value); + } + cmdList = cmdList._1; + } + return init; + } + + effectManagers[name].init = init; + effectManagers[name].onEffects = F3(onEffects); + + // PUBLIC API + + function subscribe(callback) + { + subs.push(callback); + } + + function unsubscribe(callback) + { + // copy subs into a new array in case unsubscribe is called within a + // subscribed callback + subs = subs.slice(); + var index = subs.indexOf(callback); + if (index >= 0) + { + subs.splice(index, 1); + } + } + + return { + subscribe: subscribe, + unsubscribe: unsubscribe + }; +} + + +// INCOMING PORTS + +function incomingPort(name, converter) +{ + checkPortName(name); + effectManagers[name] = { + tag: 'sub', + subMap: incomingPortMap, + converter: converter, + isForeign: true + }; + return leaf(name); +} + +var incomingPortMap = F2(function subMap(tagger, finalTagger) +{ + return function(value) + { + return tagger(finalTagger(value)); + }; +}); + +function setupIncomingPort(name, callback) +{ + var sentBeforeInit = []; + var subs = _elm_lang$core$Native_List.Nil; + var converter = effectManagers[name].converter; + var currentOnEffects = preInitOnEffects; + var currentSend = preInitSend; + + // CREATE MANAGER + + var init = _elm_lang$core$Native_Scheduler.succeed(null); + + function preInitOnEffects(router, subList, state) + { + var postInitResult = postInitOnEffects(router, subList, state); + + for(var i = 0; i < sentBeforeInit.length; i++) + { + postInitSend(sentBeforeInit[i]); + } + + sentBeforeInit = null; // to release objects held in queue + currentSend = postInitSend; + currentOnEffects = postInitOnEffects; + return postInitResult; + } + + function postInitOnEffects(router, subList, state) + { + subs = subList; + return init; + } + + function onEffects(router, subList, state) + { + return currentOnEffects(router, subList, state); + } + + effectManagers[name].init = init; + effectManagers[name].onEffects = F3(onEffects); + + // PUBLIC API + + function preInitSend(value) + { + sentBeforeInit.push(value); + } + + function postInitSend(value) + { + var temp = subs; + while (temp.ctor !== '[]') + { + callback(temp._0(value)); + temp = temp._1; + } + } + + function send(incomingValue) + { + var result = A2(_elm_lang$core$Json_Decode$decodeValue, converter, incomingValue); + if (result.ctor === 'Err') + { + throw new Error('Trying to send an unexpected type of value through port `' + name + '`:\n' + result._0); + } + + currentSend(result._0); + } + + return { send: send }; +} + +return { + // routers + sendToApp: F2(sendToApp), + sendToSelf: F2(sendToSelf), + + // global setup + effectManagers: effectManagers, + outgoingPort: outgoingPort, + incomingPort: incomingPort, + + htmlToProgram: htmlToProgram, + program: program, + programWithFlags: programWithFlags, + initialize: initialize, + + // effect bags + leaf: leaf, + batch: batch, + map: F2(map) +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Regex.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Regex.js new file mode 100644 index 0000000..d3cc0dd --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Regex.js @@ -0,0 +1,119 @@ +//import Maybe, Native.List // + +var _elm_lang$core$Native_Regex = function() { + +function escape(str) +{ + return str.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); +} +function caseInsensitive(re) +{ + return new RegExp(re.source, 'gi'); +} +function regex(raw) +{ + return new RegExp(raw, 'g'); +} + +function contains(re, string) +{ + return string.match(re) !== null; +} + +function find(n, re, str) +{ + n = n.ctor === 'All' ? Infinity : n._0; + var out = []; + var number = 0; + var string = str; + var lastIndex = re.lastIndex; + var prevLastIndex = -1; + var result; + while (number++ < n && (result = re.exec(string))) + { + if (prevLastIndex === re.lastIndex) break; + var i = result.length - 1; + var subs = new Array(i); + while (i > 0) + { + var submatch = result[i]; + subs[--i] = submatch === undefined + ? _elm_lang$core$Maybe$Nothing + : _elm_lang$core$Maybe$Just(submatch); + } + out.push({ + match: result[0], + submatches: _elm_lang$core$Native_List.fromArray(subs), + index: result.index, + number: number + }); + prevLastIndex = re.lastIndex; + } + re.lastIndex = lastIndex; + return _elm_lang$core$Native_List.fromArray(out); +} + +function replace(n, re, replacer, string) +{ + n = n.ctor === 'All' ? Infinity : n._0; + var count = 0; + function jsReplacer(match) + { + if (count++ >= n) + { + return match; + } + var i = arguments.length - 3; + var submatches = new Array(i); + while (i > 0) + { + var submatch = arguments[i]; + submatches[--i] = submatch === undefined + ? _elm_lang$core$Maybe$Nothing + : _elm_lang$core$Maybe$Just(submatch); + } + return replacer({ + match: match, + submatches: _elm_lang$core$Native_List.fromArray(submatches), + index: arguments[arguments.length - 2], + number: count + }); + } + return string.replace(re, jsReplacer); +} + +function split(n, re, str) +{ + n = n.ctor === 'All' ? Infinity : n._0; + if (n === Infinity) + { + return _elm_lang$core$Native_List.fromArray(str.split(re)); + } + var string = str; + var result; + var out = []; + var start = re.lastIndex; + var restoreLastIndex = re.lastIndex; + while (n--) + { + if (!(result = re.exec(string))) break; + out.push(string.slice(start, result.index)); + start = re.lastIndex; + } + out.push(string.slice(start)); + re.lastIndex = restoreLastIndex; + return _elm_lang$core$Native_List.fromArray(out); +} + +return { + regex: regex, + caseInsensitive: caseInsensitive, + escape: escape, + + contains: F2(contains), + find: F3(find), + replace: F4(replace), + split: F3(split) +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Scheduler.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Scheduler.js new file mode 100644 index 0000000..00f8259 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Scheduler.js @@ -0,0 +1,281 @@ +//import Native.Utils // + +var _elm_lang$core$Native_Scheduler = function() { + +var MAX_STEPS = 10000; + + +// TASKS + +function succeed(value) +{ + return { + ctor: '_Task_succeed', + value: value + }; +} + +function fail(error) +{ + return { + ctor: '_Task_fail', + value: error + }; +} + +function nativeBinding(callback) +{ + return { + ctor: '_Task_nativeBinding', + callback: callback, + cancel: null + }; +} + +function andThen(callback, task) +{ + return { + ctor: '_Task_andThen', + callback: callback, + task: task + }; +} + +function onError(callback, task) +{ + return { + ctor: '_Task_onError', + callback: callback, + task: task + }; +} + +function receive(callback) +{ + return { + ctor: '_Task_receive', + callback: callback + }; +} + + +// PROCESSES + +function rawSpawn(task) +{ + var process = { + ctor: '_Process', + id: _elm_lang$core$Native_Utils.guid(), + root: task, + stack: null, + mailbox: [] + }; + + enqueue(process); + + return process; +} + +function spawn(task) +{ + return nativeBinding(function(callback) { + var process = rawSpawn(task); + callback(succeed(process)); + }); +} + +function rawSend(process, msg) +{ + process.mailbox.push(msg); + enqueue(process); +} + +function send(process, msg) +{ + return nativeBinding(function(callback) { + rawSend(process, msg); + callback(succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + +function kill(process) +{ + return nativeBinding(function(callback) { + var root = process.root; + if (root.ctor === '_Task_nativeBinding' && root.cancel) + { + root.cancel(); + } + + process.root = null; + + callback(succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + +function sleep(time) +{ + return nativeBinding(function(callback) { + var id = setTimeout(function() { + callback(succeed(_elm_lang$core$Native_Utils.Tuple0)); + }, time); + + return function() { clearTimeout(id); }; + }); +} + + +// STEP PROCESSES + +function step(numSteps, process) +{ + while (numSteps < MAX_STEPS) + { + var ctor = process.root.ctor; + + if (ctor === '_Task_succeed') + { + while (process.stack && process.stack.ctor === '_Task_onError') + { + process.stack = process.stack.rest; + } + if (process.stack === null) + { + break; + } + process.root = process.stack.callback(process.root.value); + process.stack = process.stack.rest; + ++numSteps; + continue; + } + + if (ctor === '_Task_fail') + { + while (process.stack && process.stack.ctor === '_Task_andThen') + { + process.stack = process.stack.rest; + } + if (process.stack === null) + { + break; + } + process.root = process.stack.callback(process.root.value); + process.stack = process.stack.rest; + ++numSteps; + continue; + } + + if (ctor === '_Task_andThen') + { + process.stack = { + ctor: '_Task_andThen', + callback: process.root.callback, + rest: process.stack + }; + process.root = process.root.task; + ++numSteps; + continue; + } + + if (ctor === '_Task_onError') + { + process.stack = { + ctor: '_Task_onError', + callback: process.root.callback, + rest: process.stack + }; + process.root = process.root.task; + ++numSteps; + continue; + } + + if (ctor === '_Task_nativeBinding') + { + process.root.cancel = process.root.callback(function(newRoot) { + process.root = newRoot; + enqueue(process); + }); + + break; + } + + if (ctor === '_Task_receive') + { + var mailbox = process.mailbox; + if (mailbox.length === 0) + { + break; + } + + process.root = process.root.callback(mailbox.shift()); + ++numSteps; + continue; + } + + throw new Error(ctor); + } + + if (numSteps < MAX_STEPS) + { + return numSteps + 1; + } + enqueue(process); + + return numSteps; +} + + +// WORK QUEUE + +var working = false; +var workQueue = []; + +function enqueue(process) +{ + workQueue.push(process); + + if (!working) + { + setTimeout(work, 0); + working = true; + } +} + +function work() +{ + var numSteps = 0; + var process; + while (numSteps < MAX_STEPS && (process = workQueue.shift())) + { + if (process.root) + { + numSteps = step(numSteps, process); + } + } + if (!process) + { + working = false; + return; + } + setTimeout(work, 0); +} + + +return { + succeed: succeed, + fail: fail, + nativeBinding: nativeBinding, + andThen: F2(andThen), + onError: F2(onError), + receive: receive, + + spawn: spawn, + kill: kill, + sleep: sleep, + send: F2(send), + + rawSpawn: rawSpawn, + rawSend: rawSend +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/String.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/String.js new file mode 100644 index 0000000..3a21c76 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/String.js @@ -0,0 +1,339 @@ +//import Maybe, Native.List, Native.Utils, Result // + +var _elm_lang$core$Native_String = function() { + +function isEmpty(str) +{ + return str.length === 0; +} +function cons(chr, str) +{ + return chr + str; +} +function uncons(str) +{ + var hd = str[0]; + if (hd) + { + return _elm_lang$core$Maybe$Just(_elm_lang$core$Native_Utils.Tuple2(_elm_lang$core$Native_Utils.chr(hd), str.slice(1))); + } + return _elm_lang$core$Maybe$Nothing; +} +function append(a, b) +{ + return a + b; +} +function concat(strs) +{ + return _elm_lang$core$Native_List.toArray(strs).join(''); +} +function length(str) +{ + return str.length; +} +function map(f, str) +{ + var out = str.split(''); + for (var i = out.length; i--; ) + { + out[i] = f(_elm_lang$core$Native_Utils.chr(out[i])); + } + return out.join(''); +} +function filter(pred, str) +{ + return str.split('').map(_elm_lang$core$Native_Utils.chr).filter(pred).join(''); +} +function reverse(str) +{ + return str.split('').reverse().join(''); +} +function foldl(f, b, str) +{ + var len = str.length; + for (var i = 0; i < len; ++i) + { + b = A2(f, _elm_lang$core$Native_Utils.chr(str[i]), b); + } + return b; +} +function foldr(f, b, str) +{ + for (var i = str.length; i--; ) + { + b = A2(f, _elm_lang$core$Native_Utils.chr(str[i]), b); + } + return b; +} +function split(sep, str) +{ + return _elm_lang$core$Native_List.fromArray(str.split(sep)); +} +function join(sep, strs) +{ + return _elm_lang$core$Native_List.toArray(strs).join(sep); +} +function repeat(n, str) +{ + var result = ''; + while (n > 0) + { + if (n & 1) + { + result += str; + } + n >>= 1, str += str; + } + return result; +} +function slice(start, end, str) +{ + return str.slice(start, end); +} +function left(n, str) +{ + return n < 1 ? '' : str.slice(0, n); +} +function right(n, str) +{ + return n < 1 ? '' : str.slice(-n); +} +function dropLeft(n, str) +{ + return n < 1 ? str : str.slice(n); +} +function dropRight(n, str) +{ + return n < 1 ? str : str.slice(0, -n); +} +function pad(n, chr, str) +{ + var half = (n - str.length) / 2; + return repeat(Math.ceil(half), chr) + str + repeat(half | 0, chr); +} +function padRight(n, chr, str) +{ + return str + repeat(n - str.length, chr); +} +function padLeft(n, chr, str) +{ + return repeat(n - str.length, chr) + str; +} + +function trim(str) +{ + return str.trim(); +} +function trimLeft(str) +{ + return str.replace(/^\s+/, ''); +} +function trimRight(str) +{ + return str.replace(/\s+$/, ''); +} + +function words(str) +{ + return _elm_lang$core$Native_List.fromArray(str.trim().split(/\s+/g)); +} +function lines(str) +{ + return _elm_lang$core$Native_List.fromArray(str.split(/\r\n|\r|\n/g)); +} + +function toUpper(str) +{ + return str.toUpperCase(); +} +function toLower(str) +{ + return str.toLowerCase(); +} + +function any(pred, str) +{ + for (var i = str.length; i--; ) + { + if (pred(_elm_lang$core$Native_Utils.chr(str[i]))) + { + return true; + } + } + return false; +} +function all(pred, str) +{ + for (var i = str.length; i--; ) + { + if (!pred(_elm_lang$core$Native_Utils.chr(str[i]))) + { + return false; + } + } + return true; +} + +function contains(sub, str) +{ + return str.indexOf(sub) > -1; +} +function startsWith(sub, str) +{ + return str.indexOf(sub) === 0; +} +function endsWith(sub, str) +{ + return str.length >= sub.length && + str.lastIndexOf(sub) === str.length - sub.length; +} +function indexes(sub, str) +{ + var subLen = sub.length; + + if (subLen < 1) + { + return _elm_lang$core$Native_List.Nil; + } + + var i = 0; + var is = []; + + while ((i = str.indexOf(sub, i)) > -1) + { + is.push(i); + i = i + subLen; + } + + return _elm_lang$core$Native_List.fromArray(is); +} + + +function toInt(s) +{ + var len = s.length; + + // if empty + if (len === 0) + { + return intErr(s); + } + + // if hex + var c = s[0]; + if (c === '0' && s[1] === 'x') + { + for (var i = 2; i < len; ++i) + { + var c = s[i]; + if (('0' <= c && c <= '9') || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f')) + { + continue; + } + return intErr(s); + } + return _elm_lang$core$Result$Ok(parseInt(s, 16)); + } + + // is decimal + if (c > '9' || (c < '0' && c !== '-' && c !== '+')) + { + return intErr(s); + } + for (var i = 1; i < len; ++i) + { + var c = s[i]; + if (c < '0' || '9' < c) + { + return intErr(s); + } + } + + return _elm_lang$core$Result$Ok(parseInt(s, 10)); +} + +function intErr(s) +{ + return _elm_lang$core$Result$Err("could not convert string '" + s + "' to an Int"); +} + + +function toFloat(s) +{ + // check if it is a hex, octal, or binary number + if (s.length === 0 || /[\sxbo]/.test(s)) + { + return floatErr(s); + } + var n = +s; + // faster isNaN check + return n === n ? _elm_lang$core$Result$Ok(n) : floatErr(s); +} + +function floatErr(s) +{ + return _elm_lang$core$Result$Err("could not convert string '" + s + "' to a Float"); +} + + +function toList(str) +{ + return _elm_lang$core$Native_List.fromArray(str.split('').map(_elm_lang$core$Native_Utils.chr)); +} +function fromList(chars) +{ + return _elm_lang$core$Native_List.toArray(chars).join(''); +} + +return { + isEmpty: isEmpty, + cons: F2(cons), + uncons: uncons, + append: F2(append), + concat: concat, + length: length, + map: F2(map), + filter: F2(filter), + reverse: reverse, + foldl: F3(foldl), + foldr: F3(foldr), + + split: F2(split), + join: F2(join), + repeat: F2(repeat), + + slice: F3(slice), + left: F2(left), + right: F2(right), + dropLeft: F2(dropLeft), + dropRight: F2(dropRight), + + pad: F3(pad), + padLeft: F3(padLeft), + padRight: F3(padRight), + + trim: trim, + trimLeft: trimLeft, + trimRight: trimRight, + + words: words, + lines: lines, + + toUpper: toUpper, + toLower: toLower, + + any: F2(any), + all: F2(all), + + contains: F2(contains), + startsWith: F2(startsWith), + endsWith: F2(endsWith), + indexes: F2(indexes), + + toInt: toInt, + toFloat: toFloat, + toList: toList, + fromList: fromList +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Time.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Time.js new file mode 100644 index 0000000..6b665ea --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Time.js @@ -0,0 +1,27 @@ +//import Native.Scheduler // + +var _elm_lang$core$Native_Time = function() { + +var now = _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) +{ + callback(_elm_lang$core$Native_Scheduler.succeed(Date.now())); +}); + +function setInterval_(interval, task) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + var id = setInterval(function() { + _elm_lang$core$Native_Scheduler.rawSpawn(task); + }, interval); + + return function() { clearInterval(id); }; + }); +} + +return { + now: now, + setInterval_: F2(setInterval_) +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Utils.js b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Utils.js new file mode 100644 index 0000000..20aed5f --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Native/Utils.js @@ -0,0 +1,488 @@ +//import // + +var _elm_lang$core$Native_Utils = function() { + +// COMPARISONS + +function eq(x, y) +{ + var stack = []; + var isEqual = eqHelp(x, y, 0, stack); + var pair; + while (isEqual && (pair = stack.pop())) + { + isEqual = eqHelp(pair.x, pair.y, 0, stack); + } + return isEqual; +} + + +function eqHelp(x, y, depth, stack) +{ + if (depth > 100) + { + stack.push({ x: x, y: y }); + return true; + } + + if (x === y) + { + return true; + } + + if (typeof x !== 'object') + { + if (typeof x === 'function') + { + throw new Error( + 'Trying to use `(==)` on functions. There is no way to know if functions are "the same" in the Elm sense.' + + ' Read more about this at http://package.elm-lang.org/packages/elm-lang/core/latest/Basics#==' + + ' which describes why it is this way and what the better version will look like.' + ); + } + return false; + } + + if (x === null || y === null) + { + return false + } + + if (x instanceof Date) + { + return x.getTime() === y.getTime(); + } + + if (!('ctor' in x)) + { + for (var key in x) + { + if (!eqHelp(x[key], y[key], depth + 1, stack)) + { + return false; + } + } + return true; + } + + // convert Dicts and Sets to lists + if (x.ctor === 'RBNode_elm_builtin' || x.ctor === 'RBEmpty_elm_builtin') + { + x = _elm_lang$core$Dict$toList(x); + y = _elm_lang$core$Dict$toList(y); + } + if (x.ctor === 'Set_elm_builtin') + { + x = _elm_lang$core$Set$toList(x); + y = _elm_lang$core$Set$toList(y); + } + + // check if lists are equal without recursion + if (x.ctor === '::') + { + var a = x; + var b = y; + while (a.ctor === '::' && b.ctor === '::') + { + if (!eqHelp(a._0, b._0, depth + 1, stack)) + { + return false; + } + a = a._1; + b = b._1; + } + return a.ctor === b.ctor; + } + + // check if Arrays are equal + if (x.ctor === '_Array') + { + var xs = _elm_lang$core$Native_Array.toJSArray(x); + var ys = _elm_lang$core$Native_Array.toJSArray(y); + if (xs.length !== ys.length) + { + return false; + } + for (var i = 0; i < xs.length; i++) + { + if (!eqHelp(xs[i], ys[i], depth + 1, stack)) + { + return false; + } + } + return true; + } + + if (!eqHelp(x.ctor, y.ctor, depth + 1, stack)) + { + return false; + } + + for (var key in x) + { + if (!eqHelp(x[key], y[key], depth + 1, stack)) + { + return false; + } + } + return true; +} + +// Code in Generate/JavaScript.hs, Basics.js, and List.js depends on +// the particular integer values assigned to LT, EQ, and GT. + +var LT = -1, EQ = 0, GT = 1; + +function cmp(x, y) +{ + if (typeof x !== 'object') + { + return x === y ? EQ : x < y ? LT : GT; + } + + if (x instanceof String) + { + var a = x.valueOf(); + var b = y.valueOf(); + return a === b ? EQ : a < b ? LT : GT; + } + + if (x.ctor === '::' || x.ctor === '[]') + { + while (x.ctor === '::' && y.ctor === '::') + { + var ord = cmp(x._0, y._0); + if (ord !== EQ) + { + return ord; + } + x = x._1; + y = y._1; + } + return x.ctor === y.ctor ? EQ : x.ctor === '[]' ? LT : GT; + } + + if (x.ctor.slice(0, 6) === '_Tuple') + { + var ord; + var n = x.ctor.slice(6) - 0; + var err = 'cannot compare tuples with more than 6 elements.'; + if (n === 0) return EQ; + if (n >= 1) { ord = cmp(x._0, y._0); if (ord !== EQ) return ord; + if (n >= 2) { ord = cmp(x._1, y._1); if (ord !== EQ) return ord; + if (n >= 3) { ord = cmp(x._2, y._2); if (ord !== EQ) return ord; + if (n >= 4) { ord = cmp(x._3, y._3); if (ord !== EQ) return ord; + if (n >= 5) { ord = cmp(x._4, y._4); if (ord !== EQ) return ord; + if (n >= 6) { ord = cmp(x._5, y._5); if (ord !== EQ) return ord; + if (n >= 7) throw new Error('Comparison error: ' + err); } } } } } } + return EQ; + } + + throw new Error( + 'Comparison error: comparison is only defined on ints, ' + + 'floats, times, chars, strings, lists of comparable values, ' + + 'and tuples of comparable values.' + ); +} + + +// COMMON VALUES + +var Tuple0 = { + ctor: '_Tuple0' +}; + +function Tuple2(x, y) +{ + return { + ctor: '_Tuple2', + _0: x, + _1: y + }; +} + +function chr(c) +{ + return new String(c); +} + + +// GUID + +var count = 0; +function guid(_) +{ + return count++; +} + + +// RECORDS + +function update(oldRecord, updatedFields) +{ + var newRecord = {}; + + for (var key in oldRecord) + { + newRecord[key] = oldRecord[key]; + } + + for (var key in updatedFields) + { + newRecord[key] = updatedFields[key]; + } + + return newRecord; +} + + +//// LIST STUFF //// + +var Nil = { ctor: '[]' }; + +function Cons(hd, tl) +{ + return { + ctor: '::', + _0: hd, + _1: tl + }; +} + +function append(xs, ys) +{ + // append Strings + if (typeof xs === 'string') + { + return xs + ys; + } + + // append Lists + if (xs.ctor === '[]') + { + return ys; + } + var root = Cons(xs._0, Nil); + var curr = root; + xs = xs._1; + while (xs.ctor !== '[]') + { + curr._1 = Cons(xs._0, Nil); + xs = xs._1; + curr = curr._1; + } + curr._1 = ys; + return root; +} + + +// CRASHES + +function crash(moduleName, region) +{ + return function(message) { + throw new Error( + 'Ran into a `Debug.crash` in module `' + moduleName + '` ' + regionToString(region) + '\n' + + 'The message provided by the code author is:\n\n ' + + message + ); + }; +} + +function crashCase(moduleName, region, value) +{ + return function(message) { + throw new Error( + 'Ran into a `Debug.crash` in module `' + moduleName + '`\n\n' + + 'This was caused by the `case` expression ' + regionToString(region) + '.\n' + + 'One of the branches ended with a crash and the following value got through:\n\n ' + toString(value) + '\n\n' + + 'The message provided by the code author is:\n\n ' + + message + ); + }; +} + +function regionToString(region) +{ + if (region.start.line == region.end.line) + { + return 'on line ' + region.start.line; + } + return 'between lines ' + region.start.line + ' and ' + region.end.line; +} + + +// TO STRING + +function toString(v) +{ + var type = typeof v; + if (type === 'function') + { + return ''; + } + + if (type === 'boolean') + { + return v ? 'True' : 'False'; + } + + if (type === 'number') + { + return v + ''; + } + + if (v instanceof String) + { + return '\'' + addSlashes(v, true) + '\''; + } + + if (type === 'string') + { + return '"' + addSlashes(v, false) + '"'; + } + + if (v === null) + { + return 'null'; + } + + if (type === 'object' && 'ctor' in v) + { + var ctorStarter = v.ctor.substring(0, 5); + + if (ctorStarter === '_Tupl') + { + var output = []; + for (var k in v) + { + if (k === 'ctor') continue; + output.push(toString(v[k])); + } + return '(' + output.join(',') + ')'; + } + + if (ctorStarter === '_Task') + { + return '' + } + + if (v.ctor === '_Array') + { + var list = _elm_lang$core$Array$toList(v); + return 'Array.fromList ' + toString(list); + } + + if (v.ctor === '') + { + return ''; + } + + if (v.ctor === '_Process') + { + return ''; + } + + if (v.ctor === '::') + { + var output = '[' + toString(v._0); + v = v._1; + while (v.ctor === '::') + { + output += ',' + toString(v._0); + v = v._1; + } + return output + ']'; + } + + if (v.ctor === '[]') + { + return '[]'; + } + + if (v.ctor === 'Set_elm_builtin') + { + return 'Set.fromList ' + toString(_elm_lang$core$Set$toList(v)); + } + + if (v.ctor === 'RBNode_elm_builtin' || v.ctor === 'RBEmpty_elm_builtin') + { + return 'Dict.fromList ' + toString(_elm_lang$core$Dict$toList(v)); + } + + var output = ''; + for (var i in v) + { + if (i === 'ctor') continue; + var str = toString(v[i]); + var c0 = str[0]; + var parenless = c0 === '{' || c0 === '(' || c0 === '<' || c0 === '"' || str.indexOf(' ') < 0; + output += ' ' + (parenless ? str : '(' + str + ')'); + } + return v.ctor + output; + } + + if (type === 'object') + { + if (v instanceof Date) + { + return '<' + v.toString() + '>'; + } + + if (v.elm_web_socket) + { + return ''; + } + + var output = []; + for (var k in v) + { + output.push(k + ' = ' + toString(v[k])); + } + if (output.length === 0) + { + return '{}'; + } + return '{ ' + output.join(', ') + ' }'; + } + + return ''; +} + +function addSlashes(str, isChar) +{ + var s = str.replace(/\\/g, '\\\\') + .replace(/\n/g, '\\n') + .replace(/\t/g, '\\t') + .replace(/\r/g, '\\r') + .replace(/\v/g, '\\v') + .replace(/\0/g, '\\0'); + if (isChar) + { + return s.replace(/\'/g, '\\\''); + } + else + { + return s.replace(/\"/g, '\\"'); + } +} + + +return { + eq: eq, + cmp: cmp, + Tuple0: Tuple0, + Tuple2: Tuple2, + chr: chr, + update: update, + guid: guid, + + append: F2(append), + + crash: crash, + crashCase: crashCase, + + toString: toString +}; + +}(); \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform.elm new file mode 100644 index 0000000..2a136cc --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform.elm @@ -0,0 +1,145 @@ +module Platform exposing + ( Program, program, programWithFlags + , Task, ProcessId + , Router, sendToApp, sendToSelf + ) + +{-| + +# Programs +@docs Program, program, programWithFlags + +# Platform Internals + +## Tasks and Processes +@docs Task, ProcessId + +## Effect Manager Helpers + +An extremely tiny portion of library authors should ever write effect managers. +Fundamentally, Elm needs maybe 10 of them total. I get that people are smart, +curious, etc. but that is not a substitute for a legitimate reason to make an +effect manager. Do you have an *organic need* this fills? Or are you just +curious? Public discussions of your explorations should be framed accordingly. + +@docs Router, sendToApp, sendToSelf +-} + +import Basics exposing (Never) +import Native.Platform +import Native.Scheduler +import Platform.Cmd exposing (Cmd) +import Platform.Sub exposing (Sub) + + + +-- PROGRAMS + + +{-| A `Program` describes how to manage your Elm app. + +You can create [headless][] programs with the [`program`](#program) and +[`programWithFlags`](#programWithFlags) functions. Similar functions exist in +[`Html`][html] that let you specify a view. + +[headless]: https://en.wikipedia.org/wiki/Headless_software +[html]: http://package.elm-lang.org/packages/elm-lang/html/latest/Html + +Honestly, it is totally normal if this seems crazy at first. The best way to +understand is to work through [guide.elm-lang.org](http://guide.elm-lang.org/). +It makes way more sense in context! +-} +type Program flags model msg = Program + + +{-| Create a [headless][] program. This is great if you want to use Elm as the +“brain” for something else. You can still communicate with JS via +ports and manage your model, you just do not have to specify a `view`. + +[headless]: https://en.wikipedia.org/wiki/Headless_software + +Initializing a headless program from JavaScript looks like this: + +```javascript +var app = Elm.MyThing.worker(); +``` +-} +program + : { init : (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , subscriptions : model -> Sub msg + } + -> Program Never model msg +program = + Native.Platform.program + + +{-| Same as [`program`](#program), but you can provide flags. Initializing a +headless program (with flags) from JavaScript looks like this: + +```javascript +var app = Elm.MyThing.worker({ user: 'Tom', token: 1234 }); +``` + +Whatever argument you provide to `worker` will get converted to an Elm value, +allowing you to configure your Elm program however you want from JavaScript! +-} +programWithFlags + : { init : flags -> (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , subscriptions : model -> Sub msg + } + -> Program flags model msg +programWithFlags = + Native.Platform.programWithFlags + + + +-- TASKS and PROCESSES + +{-| Head over to the documentation for the [`Task`](Task) module for more +information on this. It is only defined here because it is a platform +primitive. +-} +type Task err ok = Task + + +{-| Head over to the documentation for the [`Process`](Process) module for +information on this. It is only defined here because it is a platform +primitive. +-} +type ProcessId = ProcessId + + + +-- EFFECT MANAGER INTERNALS + + +{-| An effect manager has access to a “router” that routes messages between +the main app and your individual effect manager. +-} +type Router appMsg selfMsg = + Router + + +{-| Send the router a message for the main loop of your app. This message will +be handled by the overall `update` function, just like events from `Html`. +-} +sendToApp : Router msg a -> msg -> Task x () +sendToApp = + Native.Platform.sendToApp + + +{-| Send the router a message for your effect manager. This message will +be routed to the `onSelfMsg` function, where you can update the state of your +effect manager as necessary. + +As an example, the effect manager for web sockets +-} +sendToSelf : Router a msg -> msg -> Task x () +sendToSelf = + Native.Platform.sendToSelf + + +hack = + Native.Scheduler.succeed diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform/Cmd.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform/Cmd.elm new file mode 100644 index 0000000..a4ae4ed --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform/Cmd.elm @@ -0,0 +1,67 @@ +module Platform.Cmd exposing + ( Cmd + , map + , batch + , none + , (!) + ) + +{-| + +# Effects + +Elm has **managed effects**, meaning that things like HTTP requests or writing +to disk are all treated as *data* in Elm. When this data is given to the Elm +runtime system, it can do some “query optimization” before actually performing +the effect. Perhaps unexpectedly, this managed effects idea is the heart of why +Elm is so nice for testing, reuse, reproducibility, etc. + +There are two kinds of managed effects you will use in your programs: commands +and subscriptions. + +@docs Cmd, map, batch, none, (!) + +-} + +import Native.Platform + + +{-| A command is a way of telling Elm, “Hey, I want you to do this thing!” +So if you want to send an HTTP request, you would need to command Elm to do it. +Or if you wanted to ask for geolocation, you would need to command Elm to go +get it. + +Every `Cmd` specifies (1) which effects you need access to and (2) the type of +messages that will come back into your application. + +**Note:** Do not worry if this seems confusing at first! As with every Elm user +ever, commands will make more sense as you work through [the Elm Architecture +Tutorial](http://guide.elm-lang.org/architecture/index.html) and see how they +fit into a real application! +-} +type Cmd msg = Cmd + + +{-|-} +map : (a -> msg) -> Cmd a -> Cmd msg +map = + Native.Platform.map + + +{-|-} +batch : List (Cmd msg) -> Cmd msg +batch = + Native.Platform.batch + + +{-|-} +none : Cmd msg +none = + batch [] + + +{-|-} +(!) : model -> List (Cmd msg) -> (model, Cmd msg) +(!) model commands = + (model, batch commands) + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform/Sub.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform/Sub.elm new file mode 100644 index 0000000..03f2f81 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Platform/Sub.elm @@ -0,0 +1,52 @@ +module Platform.Sub exposing + ( Sub + , map + , batch + , none + ) + +{-| + +@docs Sub, map, batch, none +-} + +import Native.Platform + + +{-| A subscription is a way of telling Elm, “Hey, let me know if anything +interesting happens over there!” So if you want to listen for messages on a web +socket, you would tell Elm to create a subscription. If you want to get clock +ticks, you would tell Elm to subscribe to that. The cool thing here is that +this means *Elm* manages all the details of subscriptions instead of *you*. +So if a web socket goes down, *you* do not need to manually reconnect with an +exponential backoff strategy, *Elm* does this all for you behind the scenes! + +Every `Sub` specifies (1) which effects you need access to and (2) the type of +messages that will come back into your application. + +**Note:** Do not worry if this seems confusing at first! As with every Elm user +ever, subscriptions will make more sense as you work through [the Elm Architecture +Tutorial](http://guide.elm-lang.org/architecture/index.html) and see how they fit +into a real application! +-} +type Sub msg = Sub + + +{-|-} +map : (a -> msg) -> Sub a -> Sub msg +map = + Native.Platform.map + + +{-|-} +batch : List (Sub msg) -> Sub msg +batch = + Native.Platform.batch + + +{-|-} +none : Sub msg +none = + batch [] + + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Process.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Process.elm new file mode 100644 index 0000000..0ef59af --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Process.elm @@ -0,0 +1,106 @@ +module Process exposing + ( Id + , spawn + , sleep + , kill + ) + +{-| + +# Processes +@docs Id, spawn, sleep, kill + +## Future Plans + +Right now, this library is pretty sparse. For example, there is no public API +for processes to communicate with each other. This is a really important +ability, but it is also something that is extraordinarily easy to get wrong! + +I think the trend will be towards an Erlang style of concurrency, where every +process has an “event queue” that anyone can send messages to. I currently +think the API will be extended to be more like this: + + type Id exit msg + + spawn : Task exit a -> Task x (Id exit Never) + + kill : Id exit msg -> Task x () + + send : Id exit msg -> msg -> Task x () + +A process `Id` will have two type variables to make sure all communication is +valid. The `exit` type describes the messages that are produced if the process +fails because of user code. So if processes are linked and trapping errors, +they will need to handle this. The `msg` type just describes what kind of +messages this process can be sent by strangers. + +We shall see though! This is just a draft that does not cover nearly everything +it needs to, so the long-term vision for concurrency in Elm will be rolling out +slowly as I get more data and experience. + +I ask that people bullish on compiling to node.js keep this in mind. I think we +can do better than the hopelessly bad concurrency model of node.js, and I hope +the Elm community will be supportive of being more ambitious, even if it takes +longer. That’s kind of what Elm is all about. +-} + +import Basics exposing (Never) +import Native.Scheduler +import Platform +import Task exposing (Task) +import Time exposing (Time) + + +{-| A light-weight process that runs concurrently. You can use `spawn` to +get a bunch of different tasks running in different processes. The Elm runtime +will interleave their progress. So if a task is taking too long, we will pause +it at an `andThen` and switch over to other stuff. + +**Note:** We make a distinction between *concurrency* which means interleaving +different sequences and *parallelism* which means running different +sequences at the exact same time. For example, a +[time-sharing system](https://en.wikipedia.org/wiki/Time-sharing) is definitely +concurrent, but not necessarily parallel. So even though JS runs within a +single OS-level thread, Elm can still run things concurrently. +-} +type alias Id = + Platform.ProcessId + + +{-| Run a task in its own light-weight process. In the following example, +`task1` and `task2` will be interleaved. If `task1` makes a long HTTP request +or is just taking a long time, we can hop over to `task2` and do some work +there. + + spawn task1 + |> Task.andThen (\_ -> spawn task2) + +**Note:** This creates a relatively restricted kind of `Process` because it +cannot receive any messages. More flexibility for user-defined processes will +come in a later release! +-} +spawn : Task x a -> Task y Id +spawn = + Native.Scheduler.spawn + + +{-| Block progress on the current process for a given amount of time. The +JavaScript equivalent of this is [`setTimeout`][setTimeout] which lets you +delay work until later. + +[setTimeout]: https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout +-} +sleep : Time -> Task x () +sleep = + Native.Scheduler.sleep + + +{-| Sometimes you `spawn` a process, but later decide it would be a waste to +have it keep running and doing stuff. The `kill` function will force a process +to bail on whatever task it is running. So if there is an HTTP request in +flight, it will also abort the request. +-} +kill : Id -> Task x () +kill = + Native.Scheduler.kill + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Random.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Random.elm new file mode 100644 index 0000000..d506433 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Random.elm @@ -0,0 +1,532 @@ +effect module Random where { command = MyCmd } exposing + ( Generator, Seed + , bool, int, float + , list, pair + , map, map2, map3, map4, map5 + , andThen + , minInt, maxInt + , generate + , step, initialSeed + ) + +{-| This library helps you generate pseudo-random values. + +This library is all about building [`generators`](#Generator) for whatever +type of values you need. There are a bunch of primitive generators like +[`bool`](#bool) and [`int`](#int) that you can build up into fancier +generators with functions like [`list`](#list) and [`map`](#map). + +It may be helpful to [read about JSON decoders][json] because they work very +similarly. + +[json]: https://evancz.gitbooks.io/an-introduction-to-elm/content/interop/json.html + +> *Note:* This is an implementation of the Portable Combined Generator of +L'Ecuyer for 32-bit computers. It is almost a direct translation from the +[System.Random](http://hackage.haskell.org/package/random-1.0.1.1/docs/System-Random.html) +module. It has a period of roughly 2.30584e18. + +# Generators +@docs Generator + +# Primitive Generators +@docs bool, int, float + +# Data Structure Generators +@docs pair, list + +# Custom Generators +@docs map, map2, map3, map4, map5, andThen + +# Generate Values +@docs generate + +# Generate Values Manually +@docs step, Seed, initialSeed + +# Constants +@docs maxInt, minInt + +-} + +import Basics exposing (..) +import List exposing ((::)) +import Platform +import Platform.Cmd exposing (Cmd) +import Task exposing (Task) +import Time +import Tuple + + + +-- PRIMITIVE GENERATORS + + +{-| Create a generator that produces boolean values. The following example +simulates a coin flip that may land heads or tails. + + type Flip = Heads | Tails + + coinFlip : Generator Flip + coinFlip = + map (\b -> if b then Heads else Tails) bool +-} +bool : Generator Bool +bool = + map ((==) 1) (int 0 1) + + +{-| Generate 32-bit integers in a given range. + + int 0 10 -- an integer between zero and ten + int -5 5 -- an integer between -5 and 5 + + int minInt maxInt -- an integer in the widest range feasible + +This function *can* produce values outside of the range [[`minInt`](#minInt), +[`maxInt`](#maxInt)] but sufficient randomness is not guaranteed. +-} +int : Int -> Int -> Generator Int +int a b = + Generator <| \(Seed seed) -> + let + (lo,hi) = + if a < b then (a,b) else (b,a) + + k = hi - lo + 1 + -- 2^31 - 87 + base = 2147483561 + n = iLogBase base k + + f n acc state = + case n of + 0 -> (acc, state) + _ -> + let + (x, nextState) = seed.next state + in + f (n - 1) (x + acc * base) nextState + + (v, nextState) = + f n 1 seed.state + in + ( lo + v % k + , Seed { seed | state = nextState } + ) + + +iLogBase : Int -> Int -> Int +iLogBase b i = + if i < b then + 1 + else + 1 + iLogBase b (i // b) + + +{-| The maximum value for randomly generated 32-bit ints: 2147483647 -} +maxInt : Int +maxInt = + 2147483647 + + +{-| The minimum value for randomly generated 32-bit ints: -2147483648 -} +minInt : Int +minInt = + -2147483648 + + +{-| Generate floats in a given range. The following example is a generator +that produces decimals between 0 and 1. + + probability : Generator Float + probability = + float 0 1 +-} +float : Float -> Float -> Generator Float +float a b = + Generator <| \seed -> + let + (lo, hi) = + if a < b then (a,b) else (b,a) + + (number, newSeed) = + step (int minInt maxInt) seed + + negativeOneToOne = + toFloat number / toFloat (maxInt - minInt) + + scaled = + (lo+hi)/2 + ((hi-lo) * negativeOneToOne) + in + (scaled, newSeed) + + + +-- DATA STRUCTURES + + +{-| Create a pair of random values. A common use of this might be to generate +a point in a certain 2D space. Imagine we have a collage that is 400 pixels +wide and 200 pixels tall. + + randomPoint : Generator (Int,Int) + randomPoint = + pair (int -200 200) (int -100 100) + +-} +pair : Generator a -> Generator b -> Generator (a,b) +pair genA genB = + map2 (,) genA genB + + +{-| Create a list of random values. + + floatList : Generator (List Float) + floatList = + list 10 (float 0 1) + + intList : Generator (List Int) + intList = + list 5 (int 0 100) + + intPairs : Generator (List (Int, Int)) + intPairs = + list 10 <| pair (int 0 100) (int 0 100) +-} +list : Int -> Generator a -> Generator (List a) +list n (Generator generate) = + Generator <| \seed -> + listHelp [] n generate seed + + +listHelp : List a -> Int -> (Seed -> (a,Seed)) -> Seed -> (List a, Seed) +listHelp list n generate seed = + if n < 1 then + (List.reverse list, seed) + + else + let + (value, newSeed) = + generate seed + in + listHelp (value :: list) (n-1) generate newSeed + + + +-- CUSTOM GENERATORS + + +{-| Transform the values produced by a generator. The following examples show +how to generate booleans and letters based on a basic integer generator. + + bool : Generator Bool + bool = + map ((==) 1) (int 0 1) + + lowercaseLetter : Generator Char + lowercaseLetter = + map (\n -> Char.fromCode (n + 97)) (int 0 25) + + uppercaseLetter : Generator Char + uppercaseLetter = + map (\n -> Char.fromCode (n + 65)) (int 0 25) + +-} +map : (a -> b) -> Generator a -> Generator b +map func (Generator genA) = + Generator <| \seed0 -> + let + (a, seed1) = genA seed0 + in + (func a, seed1) + + +{-| Combine two generators. + +This function is used to define things like [`pair`](#pair) where you want to +put two generators together. + + pair : Generator a -> Generator b -> Generator (a,b) + pair genA genB = + map2 (,) genA genB + +-} +map2 : (a -> b -> c) -> Generator a -> Generator b -> Generator c +map2 func (Generator genA) (Generator genB) = + Generator <| \seed0 -> + let + (a, seed1) = genA seed0 + (b, seed2) = genB seed1 + in + (func a b, seed2) + + +{-| Combine three generators. This could be used to produce random colors. + + import Color + + rgb : Generator Color.Color + rgb = + map3 Color.rgb (int 0 255) (int 0 255) (int 0 255) + + hsl : Generator Color.Color + hsl = + map3 Color.hsl (map degrees (int 0 360)) (float 0 1) (float 0 1) +-} +map3 : (a -> b -> c -> d) -> Generator a -> Generator b -> Generator c -> Generator d +map3 func (Generator genA) (Generator genB) (Generator genC) = + Generator <| \seed0 -> + let + (a, seed1) = genA seed0 + (b, seed2) = genB seed1 + (c, seed3) = genC seed2 + in + (func a b c, seed3) + + +{-| Combine four generators. +-} +map4 : (a -> b -> c -> d -> e) -> Generator a -> Generator b -> Generator c -> Generator d -> Generator e +map4 func (Generator genA) (Generator genB) (Generator genC) (Generator genD) = + Generator <| \seed0 -> + let + (a, seed1) = genA seed0 + (b, seed2) = genB seed1 + (c, seed3) = genC seed2 + (d, seed4) = genD seed3 + in + (func a b c d, seed4) + + +{-| Combine five generators. +-} +map5 : (a -> b -> c -> d -> e -> f) -> Generator a -> Generator b -> Generator c -> Generator d -> Generator e -> Generator f +map5 func (Generator genA) (Generator genB) (Generator genC) (Generator genD) (Generator genE) = + Generator <| \seed0 -> + let + (a, seed1) = genA seed0 + (b, seed2) = genB seed1 + (c, seed3) = genC seed2 + (d, seed4) = genD seed3 + (e, seed5) = genE seed4 + in + (func a b c d e, seed5) + + +{-| Chain random operations, threading through the seed. In the following +example, we will generate a random letter by putting together uppercase and +lowercase letters. + + letter : Generator Char + letter = + bool + |> andThen upperOrLower + + upperOrLower : Bool -> Generator Char + upperOrLower b = + if b then uppercaseLetter else lowercaseLetter + + -- bool : Generator Bool + -- uppercaseLetter : Generator Char + -- lowercaseLetter : Generator Char +-} +andThen : (a -> Generator b) -> Generator a -> Generator b +andThen callback (Generator generate) = + Generator <| \seed -> + let + (result, newSeed) = + generate seed + + (Generator genB) = + callback result + in + genB newSeed + + + +-- IMPLEMENTATION + + +{-| A `Generator` is like a recipe for generating certain random values. So a +`Generator Int` describes how to generate integers and a `Generator String` +describes how to generate strings. + +To actually *run* a generator and produce the random values, you need to use +functions like [`generate`](#generate) and [`initialSeed`](#initialSeed). +-} +type Generator a = + Generator (Seed -> (a, Seed)) + + +type State = State Int Int + + +{-| A `Seed` is the source of randomness in this whole system. Whenever +you want to use a generator, you need to pair it with a seed. +-} +type Seed = + Seed + { state : State + , next : State -> (Int, State) + , split : State -> (State, State) + , range : State -> (Int,Int) + } + + +{-| Generate a random value as specified by a given `Generator`. + +In the following example, we are trying to generate a number between 0 and 100 +with the `int 0 100` generator. Each time we call `step` we need to provide a +seed. This will produce a random number and a *new* seed to use if we want to +run other generators later. + +So here it is done right, where we get a new seed from each `step` call and +thread that through. + + seed0 = initialSeed 31415 + + -- step (int 0 100) seed0 ==> (42, seed1) + -- step (int 0 100) seed1 ==> (31, seed2) + -- step (int 0 100) seed2 ==> (99, seed3) + +Notice that we use different seeds on each line. This is important! If you use +the same seed, you get the same results. + + -- step (int 0 100) seed0 ==> (42, seed1) + -- step (int 0 100) seed0 ==> (42, seed1) + -- step (int 0 100) seed0 ==> (42, seed1) +-} +step : Generator a -> Seed -> (a, Seed) +step (Generator generator) seed = + generator seed + + +{-| Create a “seed” of randomness which makes it possible to +generate random values. If you use the same seed many times, it will result +in the same thing every time! A good way to get an unexpected seed is to use +the current time. +-} +initialSeed : Int -> Seed +initialSeed n = + Seed + { state = initState n + , next = next + , split = split + , range = range + } + + +{-| Produce the initial generator state. Distinct arguments should be likely +to produce distinct generator states. +-} +initState : Int -> State +initState seed = + let + s = max seed -seed + q = s // (magicNum6-1) + s1 = s % (magicNum6-1) + s2 = q % (magicNum7-1) + in + State (s1+1) (s2+1) + + +magicNum0 = 40014 +magicNum1 = 53668 +magicNum2 = 12211 +magicNum3 = 52774 +magicNum4 = 40692 +magicNum5 = 3791 +magicNum6 = 2147483563 +magicNum7 = 2147483399 +magicNum8 = 2147483562 + + +next : State -> (Int, State) +next (State state1 state2) = + -- Div always rounds down and so random numbers are biased + -- ideally we would use division that rounds towards zero so + -- that in the negative case it rounds up and in the positive case + -- it rounds down. Thus half the time it rounds up and half the time it + -- rounds down + let + k1 = state1 // magicNum1 + rawState1 = magicNum0 * (state1 - k1 * magicNum1) - k1 * magicNum2 + newState1 = if rawState1 < 0 then rawState1 + magicNum6 else rawState1 + k2 = state2 // magicNum3 + rawState2 = magicNum4 * (state2 - k2 * magicNum3) - k2 * magicNum5 + newState2 = if rawState2 < 0 then rawState2 + magicNum7 else rawState2 + z = newState1 - newState2 + newZ = if z < 1 then z + magicNum8 else z + in + (newZ, State newState1 newState2) + + +split : State -> (State, State) +split (State s1 s2 as std) = + let + new_s1 = + if s1 == magicNum6-1 then 1 else s1 + 1 + + new_s2 = + if s2 == 1 then magicNum7-1 else s2 - 1 + + (State t1 t2) = + Tuple.second (next std) + in + (State new_s1 t2, State t1 new_s2) + + +range : State -> (Int,Int) +range _ = + (0, magicNum8) + + + +-- MANAGER + + +{-| Create a command that will generate random values. + +Read more about how to use this in your programs in [The Elm Architecture +tutorial][arch] which has a section specifically [about random values][rand]. + +[arch]: https://evancz.gitbooks.io/an-introduction-to-elm/content/architecture/index.html +[rand]: https://evancz.gitbooks.io/an-introduction-to-elm/content/architecture/effects/random.html +-} +generate : (a -> msg) -> Generator a -> Cmd msg +generate tagger generator = + command (Generate (map tagger generator)) + + +type MyCmd msg = Generate (Generator msg) + + +cmdMap : (a -> b) -> MyCmd a -> MyCmd b +cmdMap func (Generate generator) = + Generate (map func generator) + + +init : Task Never Seed +init = + Time.now + |> Task.andThen (\t -> Task.succeed (initialSeed (round t))) + + +onEffects : Platform.Router msg Never -> List (MyCmd msg) -> Seed -> Task Never Seed +onEffects router commands seed = + case commands of + [] -> + Task.succeed seed + + Generate generator :: rest -> + let + (value, newSeed) = + step generator seed + in + Platform.sendToApp router value + |> Task.andThen (\_ -> onEffects router rest newSeed) + + +onSelfMsg : Platform.Router msg Never -> Never -> Seed -> Task Never Seed +onSelfMsg _ _ seed = + Task.succeed seed diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Regex.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Regex.elm new file mode 100644 index 0000000..2d58ecf --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Regex.elm @@ -0,0 +1,148 @@ +module Regex exposing + ( Regex + , regex, escape, caseInsensitive + , HowMany(..), Match + , contains, find, replace, split + ) + +{-| A library for working with regular expressions. It uses [the +same kind of regular expressions accepted by JavaScript](https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions). + +# Create +@docs Regex, regex, escape, caseInsensitive + +# Helpful Data Structures + +These data structures are needed to help define functions like [`find`](#find) +and [`replace`](#replace). + +@docs HowMany, Match + +# Use +@docs contains, find, replace, split + +-} + +import Maybe exposing (Maybe) +import Native.Regex + + +{-| A regular expression, describing a certain set of strings. +-} +type Regex = Regex + + +{-| Escape strings to be regular expressions, making all special characters +safe. So `regex (escape "^a+")` will match exactly `"^a+"` instead of a series +of `a`’s that start at the beginning of the line. +-} +escape : String -> String +escape = + Native.Regex.escape + + +{-| Create a Regex that matches patterns [as specified in JavaScript](https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions#Writing_a_Regular_Expression_Pattern). + +Be careful to escape backslashes properly! For example, `"\w"` is escaping the +letter `w` which is probably not what you want. You probably want `"\\w"` +instead, which escapes the backslash. +-} +regex : String -> Regex +regex = + Native.Regex.regex + + + +{-| Make a regex case insensitive -} +caseInsensitive : Regex -> Regex +caseInsensitive = + Native.Regex.caseInsensitive + + +{-| Check to see if a Regex is contained in a string. + + contains (regex "123") "12345" == True + contains (regex "b+") "aabbcc" == True + + contains (regex "789") "12345" == False + contains (regex "z+") "aabbcc" == False +-} +contains : Regex -> String -> Bool +contains = + Native.Regex.contains + + +{-| A `Match` represents all of the details about a particular match in a string. +Here are details on each field: + + * `match` — the full string of the match. + * `submatches` — a regex might have [subpatterns, surrounded by + parentheses](https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions#Using_Parenthesized_Substring_Matches). + If there are N subpatterns, there will be N elements in the `submatches` list. + Each submatch in this list is a `Maybe` because not all subpatterns may trigger. + For example, `(regex "(a+)|(b+)")` will either match many `a`’s or + many `b`’s, but never both. + * `index` — the index of the match in the original string. + * `number` — if you find many matches, you can think of each one + as being labeled with a `number` starting at one. So the first time you + find a match, that is match `number` one. Second time is match `number` two. + This is useful when paired with `replace All` if replacement is dependent on how + many times a pattern has appeared before. +-} +type alias Match = + { match : String + , submatches : List (Maybe String) + , index : Int + , number : Int + } + + +{-| `HowMany` is used to specify how many matches you want to make. So +`replace All` would replace every match, but `replace (AtMost 2)` would +replace at most two matches (i.e. zero, one, two, but never three or more). +-} +type HowMany = All | AtMost Int + + +{-| Find matches in a string: + + findTwoCommas = find (AtMost 2) (regex ",") + + -- map .index (findTwoCommas "a,b,c,d,e") == [1,3] + -- map .index (findTwoCommas "a b c d e") == [] + + places = find All (regex "[oi]n a (\\w+)") "I am on a boat in a lake." + + -- map .match places == ["on a boat", "in a lake"] + -- map .submatches places == [ [Just "boat"], [Just "lake"] ] +-} +find : HowMany -> Regex -> String -> List Match +find = + Native.Regex.find + + +{-| Replace matches. The function from `Match` to `String` lets +you use the details of a specific match when making replacements. + + devowel = replace All (regex "[aeiou]") (\_ -> "") + + -- devowel "The quick brown fox" == "Th qck brwn fx" + + reverseWords = replace All (regex "\\w+") (\{match} -> String.reverse match) + + -- reverseWords "deliver mined parts" == "reviled denim strap" +-} +replace : HowMany -> Regex -> (Match -> String) -> String -> String +replace = + Native.Regex.replace + + +{-| Split a string, using the regex as the separator. + + split (AtMost 1) (regex ",") "tom,99,90,85" == ["tom","99,90,85"] + + split All (regex ",") "a,b,c,d" == ["a","b","c","d"] +-} +split : HowMany -> Regex -> String -> List String +split = + Native.Regex.split diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Result.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Result.elm new file mode 100644 index 0000000..61c678c --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Result.elm @@ -0,0 +1,210 @@ +module Result exposing + ( Result(..) + , withDefault + , map, map2, map3, map4, map5 + , andThen + , toMaybe, fromMaybe, mapError + ) + +{-| A `Result` is the result of a computation that may fail. This is a great +way to manage errors in Elm. + +# Type and Constructors +@docs Result + +# Mapping +@docs map, map2, map3, map4, map5 + +# Chaining +@docs andThen + +# Handling Errors +@docs withDefault, toMaybe, fromMaybe, mapError +-} + +import Maybe exposing ( Maybe(Just, Nothing) ) + + +{-| A `Result` is either `Ok` meaning the computation succeeded, or it is an +`Err` meaning that there was some failure. +-} +type Result error value + = Ok value + | Err error + + +{-| If the result is `Ok` return the value, but if the result is an `Err` then +return a given default value. The following examples try to parse integers. + + Result.withDefault 0 (String.toInt "123") == 123 + Result.withDefault 0 (String.toInt "abc") == 0 +-} +withDefault : a -> Result x a -> a +withDefault def result = + case result of + Ok a -> + a + + Err _ -> + def + + +{-| Apply a function to a result. If the result is `Ok`, it will be converted. +If the result is an `Err`, the same error value will propagate through. + + map sqrt (Ok 4.0) == Ok 2.0 + map sqrt (Err "bad input") == Err "bad input" +-} +map : (a -> value) -> Result x a -> Result x value +map func ra = + case ra of + Ok a -> Ok (func a) + Err e -> Err e + + +{-| Apply a function to two results, if both results are `Ok`. If not, +the first argument which is an `Err` will propagate through. + + map2 (+) (String.toInt "1") (String.toInt "2") == Ok 3 + map2 (+) (String.toInt "1") (String.toInt "y") == Err "could not convert string 'y' to an Int" + map2 (+) (String.toInt "x") (String.toInt "y") == Err "could not convert string 'x' to an Int" +-} +map2 : (a -> b -> value) -> Result x a -> Result x b -> Result x value +map2 func ra rb = + case (ra,rb) of + (Ok a, Ok b) -> Ok (func a b) + (Err x, _) -> Err x + (_, Err x) -> Err x + + +{-|-} +map3 : (a -> b -> c -> value) -> Result x a -> Result x b -> Result x c -> Result x value +map3 func ra rb rc = + case (ra,rb,rc) of + (Ok a, Ok b, Ok c) -> Ok (func a b c) + (Err x, _, _) -> Err x + (_, Err x, _) -> Err x + (_, _, Err x) -> Err x + + +{-|-} +map4 : (a -> b -> c -> d -> value) -> Result x a -> Result x b -> Result x c -> Result x d -> Result x value +map4 func ra rb rc rd = + case (ra,rb,rc,rd) of + (Ok a, Ok b, Ok c, Ok d) -> Ok (func a b c d) + (Err x, _, _, _) -> Err x + (_, Err x, _, _) -> Err x + (_, _, Err x, _) -> Err x + (_, _, _, Err x) -> Err x + + +{-|-} +map5 : (a -> b -> c -> d -> e -> value) -> Result x a -> Result x b -> Result x c -> Result x d -> Result x e -> Result x value +map5 func ra rb rc rd re = + case (ra,rb,rc,rd,re) of + (Ok a, Ok b, Ok c, Ok d, Ok e) -> Ok (func a b c d e) + (Err x, _, _, _, _) -> Err x + (_, Err x, _, _, _) -> Err x + (_, _, Err x, _, _) -> Err x + (_, _, _, Err x, _) -> Err x + (_, _, _, _, Err x) -> Err x + + +{-| Chain together a sequence of computations that may fail. It is helpful +to see its definition: + + andThen : (a -> Result e b) -> Result e a -> Result e b + andThen callback result = + case result of + Ok value -> callback value + Err msg -> Err msg + +This means we only continue with the callback if things are going well. For +example, say you need to use (`toInt : String -> Result String Int`) to parse +a month and make sure it is between 1 and 12: + + toValidMonth : Int -> Result String Int + toValidMonth month = + if month >= 1 && month <= 12 + then Ok month + else Err "months must be between 1 and 12" + + toMonth : String -> Result String Int + toMonth rawString = + toInt rawString + |> andThen toValidMonth + + -- toMonth "4" == Ok 4 + -- toMonth "9" == Ok 9 + -- toMonth "a" == Err "cannot parse to an Int" + -- toMonth "0" == Err "months must be between 1 and 12" + +This allows us to come out of a chain of operations with quite a specific error +message. It is often best to create a custom type that explicitly represents +the exact ways your computation may fail. This way it is easy to handle in your +code. +-} +andThen : (a -> Result x b) -> Result x a -> Result x b +andThen callback result = + case result of + Ok value -> + callback value + + Err msg -> + Err msg + + +{-| Transform an `Err` value. For example, say the errors we get have too much +information: + + parseInt : String -> Result ParseError Int + + type alias ParseError = + { message : String + , code : Int + , position : (Int,Int) + } + + mapError .message (parseInt "123") == Ok 123 + mapError .message (parseInt "abc") == Err "char 'a' is not a number" +-} +mapError : (x -> y) -> Result x a -> Result y a +mapError f result = + case result of + Ok v -> + Ok v + + Err e -> + Err (f e) + + +{-| Convert to a simpler `Maybe` if the actual error message is not needed or +you need to interact with some code that primarily uses maybes. + + parseInt : String -> Result ParseError Int + + maybeParseInt : String -> Maybe Int + maybeParseInt string = + toMaybe (parseInt string) +-} +toMaybe : Result x a -> Maybe a +toMaybe result = + case result of + Ok v -> Just v + Err _ -> Nothing + + +{-| Convert from a simple `Maybe` to interact with some code that primarily +uses `Results`. + + parseInt : String -> Maybe Int + + resultParseInt : String -> Result String Int + resultParseInt string = + fromMaybe ("error parsing string: " ++ toString string) (parseInt string) +-} +fromMaybe : x -> Maybe a -> Result x a +fromMaybe err maybe = + case maybe of + Just v -> Ok v + Nothing -> Err err diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Set.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Set.elm new file mode 100644 index 0000000..9b1914a --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Set.elm @@ -0,0 +1,168 @@ +module Set exposing + ( Set + , empty, singleton, insert, remove + , isEmpty, member, size + , foldl, foldr, map + , filter, partition + , union, intersect, diff + , toList, fromList + ) + +{-| A set of unique values. The values can be any comparable type. This +includes `Int`, `Float`, `Time`, `Char`, `String`, and tuples or lists +of comparable types. + +Insert, remove, and query operations all take *O(log n)* time. + +# Sets +@docs Set + +# Build +@docs empty, singleton, insert, remove + +# Query +@docs isEmpty, member, size + +# Combine +@docs union, intersect, diff + +# Lists +@docs toList, fromList + +# Transform +@docs map, foldl, foldr, filter, partition + +-} + +import Basics exposing ((<|)) +import Dict as Dict +import List as List + + +{-| Represents a set of unique values. So `(Set Int)` is a set of integers and +`(Set String)` is a set of strings. +-} +type Set t = + Set_elm_builtin (Dict.Dict t ()) + + +{-| Create an empty set. +-} +empty : Set a +empty = + Set_elm_builtin Dict.empty + + +{-| Create a set with one value. +-} +singleton : comparable -> Set comparable +singleton k = + Set_elm_builtin <| Dict.singleton k () + + +{-| Insert a value into a set. +-} +insert : comparable -> Set comparable -> Set comparable +insert k (Set_elm_builtin d) = + Set_elm_builtin <| Dict.insert k () d + + +{-| Remove a value from a set. If the value is not found, no changes are made. +-} +remove : comparable -> Set comparable -> Set comparable +remove k (Set_elm_builtin d) = + Set_elm_builtin <| Dict.remove k d + + +{-| Determine if a set is empty. +-} +isEmpty : Set a -> Bool +isEmpty (Set_elm_builtin d) = + Dict.isEmpty d + + +{-| Determine if a value is in a set. +-} +member : comparable -> Set comparable -> Bool +member k (Set_elm_builtin d) = + Dict.member k d + + +{-| Determine the number of elements in a set. +-} +size : Set a -> Int +size (Set_elm_builtin d) = + Dict.size d + + +{-| Get the union of two sets. Keep all values. +-} +union : Set comparable -> Set comparable -> Set comparable +union (Set_elm_builtin d1) (Set_elm_builtin d2) = + Set_elm_builtin <| Dict.union d1 d2 + + +{-| Get the intersection of two sets. Keeps values that appear in both sets. +-} +intersect : Set comparable -> Set comparable -> Set comparable +intersect (Set_elm_builtin d1) (Set_elm_builtin d2) = + Set_elm_builtin <| Dict.intersect d1 d2 + + +{-| Get the difference between the first set and the second. Keeps values +that do not appear in the second set. +-} +diff : Set comparable -> Set comparable -> Set comparable +diff (Set_elm_builtin d1) (Set_elm_builtin d2) = + Set_elm_builtin <| Dict.diff d1 d2 + + +{-| Convert a set into a list, sorted from lowest to highest. +-} +toList : Set comparable -> List comparable +toList (Set_elm_builtin d) = + Dict.keys d + + +{-| Convert a list into a set, removing any duplicates. +-} +fromList : List comparable -> Set comparable +fromList xs = List.foldl insert empty xs + + +{-| Fold over the values in a set, in order from lowest to highest. +-} +foldl : (comparable -> b -> b) -> b -> Set comparable -> b +foldl f b (Set_elm_builtin d) = + Dict.foldl (\k _ b -> f k b) b d + + +{-| Fold over the values in a set, in order from highest to lowest. +-} +foldr : (comparable -> b -> b) -> b -> Set comparable -> b +foldr f b (Set_elm_builtin d) = + Dict.foldr (\k _ b -> f k b) b d + + +{-| Map a function onto a set, creating a new set with no duplicates. +-} +map : (comparable -> comparable2) -> Set comparable -> Set comparable2 +map f s = fromList (List.map f (toList s)) + + +{-| Create a new set consisting only of elements which satisfy a predicate. +-} +filter : (comparable -> Bool) -> Set comparable -> Set comparable +filter p (Set_elm_builtin d) = + Set_elm_builtin <| Dict.filter (\k _ -> p k) d + + +{-| Create two new sets; the first consisting of elements which satisfy a +predicate, the second consisting of elements which do not. +-} +partition : (comparable -> Bool) -> Set comparable -> (Set comparable, Set comparable) +partition p (Set_elm_builtin d) = + let + (p1, p2) = Dict.partition (\k _ -> p k) d + in + (Set_elm_builtin p1, Set_elm_builtin p2) diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/String.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/String.elm new file mode 100644 index 0000000..a648e8d --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/String.elm @@ -0,0 +1,464 @@ +module String exposing + ( isEmpty, length, reverse, repeat + , cons, uncons, fromChar, append, concat, split, join, words, lines + , slice, left, right, dropLeft, dropRight + , contains, startsWith, endsWith, indexes, indices + , toInt, toFloat, toList, fromList + , toUpper, toLower, pad, padLeft, padRight, trim, trimLeft, trimRight + , map, filter, foldl, foldr, any, all + ) + +{-| A built-in representation for efficient string manipulation. String literals +are enclosed in `"double quotes"`. Strings are *not* lists of characters. + +# Basics +@docs isEmpty, length, reverse, repeat + +# Building and Splitting +@docs cons, uncons, fromChar, append, concat, split, join, words, lines + +# Get Substrings +@docs slice, left, right, dropLeft, dropRight + +# Check for Substrings +@docs contains, startsWith, endsWith, indexes, indices + +# Conversions +@docs toInt, toFloat, toList, fromList + +# Formatting +Cosmetic operations such as padding with extra characters or trimming whitespace. + +@docs toUpper, toLower, + pad, padLeft, padRight, + trim, trimLeft, trimRight + +# Higher-Order Functions +@docs map, filter, foldl, foldr, any, all +-} + +import Native.String +import Char +import Maybe exposing (Maybe) +import Result exposing (Result) + + +{-| Determine if a string is empty. + + isEmpty "" == True + isEmpty "the world" == False +-} +isEmpty : String -> Bool +isEmpty = + Native.String.isEmpty + + +{-| Add a character to the beginning of a string. + + cons 'T' "he truth is out there" == "The truth is out there" +-} +cons : Char -> String -> String +cons = + Native.String.cons + + +{-| Create a string from a given character. + + fromChar 'a' == "a" +-} +fromChar : Char -> String +fromChar char = + cons char "" + + +{-| Split a non-empty string into its head and tail. This lets you +pattern match on strings exactly as you would with lists. + + uncons "abc" == Just ('a',"bc") + uncons "" == Nothing +-} +uncons : String -> Maybe (Char, String) +uncons = + Native.String.uncons + + +{-| Append two strings. You can also use [the `(++)` operator](Basics#++) +to do this. + + append "butter" "fly" == "butterfly" +-} +append : String -> String -> String +append = + Native.String.append + + +{-| Concatenate many strings into one. + + concat ["never","the","less"] == "nevertheless" +-} +concat : List String -> String +concat = + Native.String.concat + + +{-| Get the length of a string. + + length "innumerable" == 11 + length "" == 0 + +-} +length : String -> Int +length = + Native.String.length + + +{-| Transform every character in a string + + map (\c -> if c == '/' then '.' else c) "a/b/c" == "a.b.c" +-} +map : (Char -> Char) -> String -> String +map = + Native.String.map + + +{-| Keep only the characters that satisfy the predicate. + + filter isDigit "R2-D2" == "22" +-} +filter : (Char -> Bool) -> String -> String +filter = + Native.String.filter + + +{-| Reverse a string. + + reverse "stressed" == "desserts" +-} +reverse : String -> String +reverse = + Native.String.reverse + + +{-| Reduce a string from the left. + + foldl cons "" "time" == "emit" +-} +foldl : (Char -> b -> b) -> b -> String -> b +foldl = + Native.String.foldl + + +{-| Reduce a string from the right. + + foldr cons "" "time" == "time" +-} +foldr : (Char -> b -> b) -> b -> String -> b +foldr = + Native.String.foldr + + +{-| Split a string using a given separator. + + split "," "cat,dog,cow" == ["cat","dog","cow"] + split "/" "home/evan/Desktop/" == ["home","evan","Desktop", ""] + +Use [`Regex.split`](Regex#split) if you need something more flexible. +-} +split : String -> String -> List String +split = + Native.String.split + + +{-| Put many strings together with a given separator. + + join "a" ["H","w","ii","n"] == "Hawaiian" + join " " ["cat","dog","cow"] == "cat dog cow" + join "/" ["home","evan","Desktop"] == "home/evan/Desktop" +-} +join : String -> List String -> String +join = + Native.String.join + + +{-| Repeat a string *n* times. + + repeat 3 "ha" == "hahaha" +-} +repeat : Int -> String -> String +repeat = + Native.String.repeat + + +{-| Take a substring given a start and end index. Negative indexes +are taken starting from the *end* of the list. + + slice 7 9 "snakes on a plane!" == "on" + slice 0 6 "snakes on a plane!" == "snakes" + slice 0 -7 "snakes on a plane!" == "snakes on a" + slice -6 -1 "snakes on a plane!" == "plane" +-} +slice : Int -> Int -> String -> String +slice = + Native.String.slice + + +{-| Take *n* characters from the left side of a string. + + left 2 "Mulder" == "Mu" +-} +left : Int -> String -> String +left = + Native.String.left + + +{-| Take *n* characters from the right side of a string. + + right 2 "Scully" == "ly" +-} +right : Int -> String -> String +right = + Native.String.right + + +{-| Drop *n* characters from the left side of a string. + + dropLeft 2 "The Lone Gunmen" == "e Lone Gunmen" +-} +dropLeft : Int -> String -> String +dropLeft = + Native.String.dropLeft + + +{-| Drop *n* characters from the right side of a string. + + dropRight 2 "Cigarette Smoking Man" == "Cigarette Smoking M" +-} +dropRight : Int -> String -> String +dropRight = + Native.String.dropRight + + +{-| Pad a string on both sides until it has a given length. + + pad 5 ' ' "1" == " 1 " + pad 5 ' ' "11" == " 11 " + pad 5 ' ' "121" == " 121 " +-} +pad : Int -> Char -> String -> String +pad = + Native.String.pad + + +{-| Pad a string on the left until it has a given length. + + padLeft 5 '.' "1" == "....1" + padLeft 5 '.' "11" == "...11" + padLeft 5 '.' "121" == "..121" +-} +padLeft : Int -> Char -> String -> String +padLeft = + Native.String.padLeft + + +{-| Pad a string on the right until it has a given length. + + padRight 5 '.' "1" == "1...." + padRight 5 '.' "11" == "11..." + padRight 5 '.' "121" == "121.." +-} +padRight : Int -> Char -> String -> String +padRight = + Native.String.padRight + + +{-| Get rid of whitespace on both sides of a string. + + trim " hats \n" == "hats" +-} +trim : String -> String +trim = + Native.String.trim + + +{-| Get rid of whitespace on the left of a string. + + trimLeft " hats \n" == "hats \n" +-} +trimLeft : String -> String +trimLeft = + Native.String.trimLeft + + +{-| Get rid of whitespace on the right of a string. + + trimRight " hats \n" == " hats" +-} +trimRight : String -> String +trimRight = + Native.String.trimRight + + +{-| Break a string into words, splitting on chunks of whitespace. + + words "How are \t you? \n Good?" == ["How","are","you?","Good?"] +-} +words : String -> List String +words = + Native.String.words + + +{-| Break a string into lines, splitting on newlines. + + lines "How are you?\nGood?" == ["How are you?", "Good?"] +-} +lines : String -> List String +lines = + Native.String.lines + + +{-| Convert a string to all upper case. Useful for case-insensitive comparisons +and VIRTUAL YELLING. + + toUpper "skinner" == "SKINNER" +-} +toUpper : String -> String +toUpper = + Native.String.toUpper + + +{-| Convert a string to all lower case. Useful for case-insensitive comparisons. + + toLower "X-FILES" == "x-files" +-} +toLower : String -> String +toLower = + Native.String.toLower + + +{-| Determine whether *any* characters satisfy a predicate. + + any isDigit "90210" == True + any isDigit "R2-D2" == True + any isDigit "heart" == False +-} +any : (Char -> Bool) -> String -> Bool +any = + Native.String.any + + +{-| Determine whether *all* characters satisfy a predicate. + + all isDigit "90210" == True + all isDigit "R2-D2" == False + all isDigit "heart" == False +-} +all : (Char -> Bool) -> String -> Bool +all = + Native.String.all + + +{-| See if the second string contains the first one. + + contains "the" "theory" == True + contains "hat" "theory" == False + contains "THE" "theory" == False + +Use [`Regex.contains`](Regex#contains) if you need something more flexible. +-} +contains : String -> String -> Bool +contains = + Native.String.contains + + +{-| See if the second string starts with the first one. + + startsWith "the" "theory" == True + startsWith "ory" "theory" == False +-} +startsWith : String -> String -> Bool +startsWith = + Native.String.startsWith + + +{-| See if the second string ends with the first one. + + endsWith "the" "theory" == False + endsWith "ory" "theory" == True +-} +endsWith : String -> String -> Bool +endsWith = + Native.String.endsWith + + +{-| Get all of the indexes for a substring in another string. + + indexes "i" "Mississippi" == [1,4,7,10] + indexes "ss" "Mississippi" == [2,5] + indexes "needle" "haystack" == [] +-} +indexes : String -> String -> List Int +indexes = + Native.String.indexes + + +{-| Alias for `indexes`. -} +indices : String -> String -> List Int +indices = + Native.String.indexes + + +{-| Try to convert a string into an int, failing on improperly formatted strings. + + String.toInt "123" == Ok 123 + String.toInt "-42" == Ok -42 + String.toInt "3.1" == Err "could not convert string '3.1' to an Int" + String.toInt "31a" == Err "could not convert string '31a' to an Int" + +If you are extracting a number from some raw user input, you will typically +want to use [`Result.withDefault`](Result#withDefault) to handle bad data: + + Result.withDefault 0 (String.toInt "42") == 42 + Result.withDefault 0 (String.toInt "ab") == 0 +-} +toInt : String -> Result String Int +toInt = + Native.String.toInt + + +{-| Try to convert a string into a float, failing on improperly formatted strings. + + String.toFloat "123" == Ok 123.0 + String.toFloat "-42" == Ok -42.0 + String.toFloat "3.1" == Ok 3.1 + String.toFloat "31a" == Err "could not convert string '31a' to a Float" + +If you are extracting a number from some raw user input, you will typically +want to use [`Result.withDefault`](Result#withDefault) to handle bad data: + + Result.withDefault 0 (String.toFloat "42.5") == 42.5 + Result.withDefault 0 (String.toFloat "cats") == 0 +-} +toFloat : String -> Result String Float +toFloat = + Native.String.toFloat + + +{-| Convert a string to a list of characters. + + toList "abc" == ['a','b','c'] +-} +toList : String -> List Char +toList = + Native.String.toList + + +{-| Convert a list of characters into a String. Can be useful if you +want to create a string primarily by consing, perhaps for decoding +something. + + fromList ['a','b','c'] == "abc" +-} +fromList : List Char -> String +fromList = + Native.String.fromList + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Task.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Task.elm new file mode 100644 index 0000000..94fde9e --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Task.elm @@ -0,0 +1,277 @@ +effect module Task where { command = MyCmd } exposing + ( Task + , succeed, fail + , map, map2, map3, map4, map5 + , sequence + , andThen + , onError, mapError + , perform, attempt + ) + +{-| Tasks make it easy to describe asynchronous operations that may fail, like +HTTP requests or writing to a database. For more information, see the [Elm +documentation on Tasks](http://guide.elm-lang.org/error_handling/task.html). + +# Basics +@docs Task, succeed, fail + +# Mapping +@docs map, map2, map3, map4, map5 + +# Chaining +@docs andThen, sequence + +# Errors +@docs onError, mapError + +# Commands +@docs perform, attempt + +-} + +import Basics exposing (Never, (|>), (<<)) +import List exposing ((::)) +import Maybe exposing (Maybe(Just,Nothing)) +import Native.Scheduler +import Platform +import Platform.Cmd exposing (Cmd) +import Result exposing (Result(Ok,Err)) + + + +{-| Represents asynchronous effects that may fail. It is useful for stuff like +HTTP. + +For example, maybe we have a task with the type (`Task String User`). This means +that when we perform the task, it will either fail with a `String` message or +succeed with a `User`. So this could represent a task that is asking a server +for a certain user. +-} +type alias Task err ok = + Platform.Task err ok + + + +-- BASICS + + +{-| A task that succeeds immediately when run. + + succeed 42 -- results in 42 +-} +succeed : a -> Task x a +succeed = + Native.Scheduler.succeed + + +{-| A task that fails immediately when run. + + fail "file not found" : Task String a +-} +fail : x -> Task x a +fail = + Native.Scheduler.fail + + + +-- MAPPING + + +{-| Transform a task. + + map sqrt (succeed 9) -- succeed 3 +-} +map : (a -> b) -> Task x a -> Task x b +map func taskA = + taskA + |> andThen (\a -> succeed (func a)) + + +{-| Put the results of two tasks together. If either task fails, the whole +thing fails. It also runs in order so the first task will be completely +finished before the second task starts. + + map2 (+) (succeed 9) (succeed 3) -- succeed 12 +-} +map2 : (a -> b -> result) -> Task x a -> Task x b -> Task x result +map2 func taskA taskB = + taskA + |> andThen (\a -> taskB + |> andThen (\b -> succeed (func a b))) + + +{-|-} +map3 : (a -> b -> c -> result) -> Task x a -> Task x b -> Task x c -> Task x result +map3 func taskA taskB taskC = + taskA + |> andThen (\a -> taskB + |> andThen (\b -> taskC + |> andThen (\c -> succeed (func a b c)))) + + +{-|-} +map4 : (a -> b -> c -> d -> result) -> Task x a -> Task x b -> Task x c -> Task x d -> Task x result +map4 func taskA taskB taskC taskD = + taskA + |> andThen (\a -> taskB + |> andThen (\b -> taskC + |> andThen (\c -> taskD + |> andThen (\d -> succeed (func a b c d))))) + + +{-|-} +map5 : (a -> b -> c -> d -> e -> result) -> Task x a -> Task x b -> Task x c -> Task x d -> Task x e -> Task x result +map5 func taskA taskB taskC taskD taskE = + taskA + |> andThen (\a -> taskB + |> andThen (\b -> taskC + |> andThen (\c -> taskD + |> andThen (\d -> taskE + |> andThen (\e -> succeed (func a b c d e)))))) + + +{-| Start with a list of tasks, and turn them into a single task that returns a +list. The tasks will be run in order one-by-one and if any task fails the whole +sequence fails. + + sequence [ succeed 1, succeed 2 ] -- succeed [ 1, 2 ] + +This can be useful if you need to make a bunch of HTTP requests one-by-one. +-} +sequence : List (Task x a) -> Task x (List a) +sequence tasks = + case tasks of + [] -> + succeed [] + + task :: remainingTasks -> + map2 (::) task (sequence remainingTasks) + + + +-- CHAINING + + +{-| Chain together a task and a callback. The first task will run, and if it is +successful, you give the result to the callback resulting in another task. This +task then gets run. + + succeed 2 + |> andThen (\n -> succeed (n + 2)) + -- succeed 4 + +This is useful for chaining tasks together. Maybe you need to get a user from +your servers *and then* lookup their picture once you know their name. +-} +andThen : (a -> Task x b) -> Task x a -> Task x b +andThen = + Native.Scheduler.andThen + + +-- ERRORS + +{-| Recover from a failure in a task. If the given task fails, we use the +callback to recover. + + fail "file not found" + |> onError (\msg -> succeed 42) + -- succeed 42 + + succeed 9 + |> onError (\msg -> succeed 42) + -- succeed 9 +-} +onError : (x -> Task y a) -> Task x a -> Task y a +onError = + Native.Scheduler.onError + + +{-| Transform the error value. This can be useful if you need a bunch of error +types to match up. + + type Error = Http Http.Error | WebGL WebGL.Error + + getResources : Task Error Resource + getResources = + sequence [ mapError Http serverTask, mapError WebGL textureTask ] +-} +mapError : (x -> y) -> Task x a -> Task y a +mapError convert task = + task + |> onError (fail << convert) + + + +-- COMMANDS + + +type MyCmd msg = + Perform (Task Never msg) + + +{-| The only way to *do* things in Elm is to give commands to the Elm runtime. +So we describe some complex behavior with a `Task` and then command the runtime +to `perform` that task. For example, getting the current time looks like this: + + import Task + import Time exposing (Time) + + type Msg = Click | NewTime Time + + update : Msg -> Model -> ( Model, Cmd Msg ) + update msg model = + case msg of + Click -> + ( model, Task.perform NewTime Time.now ) + + NewTime time -> + ... +-} +perform : (a -> msg) -> Task Never a -> Cmd msg +perform toMessage task = + command (Perform (map toMessage task)) + + +{-| Command the Elm runtime to attempt a task that might fail! +-} +attempt : (Result x a -> msg) -> Task x a -> Cmd msg +attempt resultToMessage task = + command (Perform ( + task + |> andThen (succeed << resultToMessage << Ok) + |> onError (succeed << resultToMessage << Err) + )) + + +cmdMap : (a -> b) -> MyCmd a -> MyCmd b +cmdMap tagger (Perform task) = + Perform (map tagger task) + + + +-- MANAGER + + +init : Task Never () +init = + succeed () + + +onEffects : Platform.Router msg Never -> List (MyCmd msg) -> () -> Task Never () +onEffects router commands state = + map + (\_ -> ()) + (sequence (List.map (spawnCmd router) commands)) + + +onSelfMsg : Platform.Router msg Never -> Never -> () -> Task Never () +onSelfMsg _ _ _ = + succeed () + + +spawnCmd : Platform.Router msg Never -> MyCmd msg -> Task x () +spawnCmd router (Perform task) = + Native.Scheduler.spawn ( + task + |> andThen (Platform.sendToApp router) + ) diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Time.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Time.elm new file mode 100644 index 0000000..b50cdfe --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Time.elm @@ -0,0 +1,243 @@ +effect module Time where { subscription = MySub } exposing + ( Time + , now, every + , millisecond, second, minute, hour + , inMilliseconds, inSeconds, inMinutes, inHours + ) + +{-| Library for working with time. + +# Time +@docs Time, now, every + +# Units +@docs millisecond, second, minute, hour, + inMilliseconds, inSeconds, inMinutes, inHours + +-} + + +import Basics exposing (..) +import Dict +import List exposing ((::)) +import Maybe exposing (Maybe(..)) +import Native.Scheduler +import Native.Time +import Platform +import Platform.Sub exposing (Sub) +import Task exposing (Task) + + + +-- TIMES + + +{-| Type alias to make it clearer when you are working with time values. +Using the `Time` helpers like `second` and `inSeconds` instead of raw numbers +is very highly recommended. +-} +type alias Time = Float + + +{-| Get the `Time` at the moment when this task is run. +-} +now : Task x Time +now = + Native.Time.now + + +{-| Subscribe to the current time. First you provide an interval describing how +frequently you want updates. Second, you give a tagger that turns a time into a +message for your `update` function. So if you want to hear about the current +time every second, you would say something like this: + + type Msg = Tick Time | ... + + subscriptions model = + every second Tick + +Check out the [Elm Architecture Tutorial][arch] for more info on how +subscriptions work. + +[arch]: https://github.com/evancz/elm-architecture-tutorial/ + +**Note:** this function is not for animation! You need to use something based +on `requestAnimationFrame` to get smooth animations. This is based on +`setInterval` which is better for recurring tasks like “check on something +every 30 seconds”. +-} +every : Time -> (Time -> msg) -> Sub msg +every interval tagger = + subscription (Every interval tagger) + + + +-- UNITS + + +{-| Units of time, making it easier to specify things like a half-second +`(500 * millisecond)` without remembering Elm’s underlying units of time. +-} +millisecond : Time +millisecond = + 1 + + +{-|-} +second : Time +second = + 1000 * millisecond + + +{-|-} +minute : Time +minute = + 60 * second + + +{-|-} +hour : Time +hour = + 60 * minute + + +{-|-} +inMilliseconds : Time -> Float +inMilliseconds t = + t + + +{-|-} +inSeconds : Time -> Float +inSeconds t = + t / second + + +{-|-} +inMinutes : Time -> Float +inMinutes t = + t / minute + + +{-|-} +inHours : Time -> Float +inHours t = + t / hour + + + +-- SUBSCRIPTIONS + + +type MySub msg = + Every Time (Time -> msg) + + +subMap : (a -> b) -> MySub a -> MySub b +subMap f (Every interval tagger) = + Every interval (f << tagger) + + + +-- EFFECT MANAGER + + +type alias State msg = + { taggers : Taggers msg + , processes : Processes + } + + +type alias Processes = + Dict.Dict Time Platform.ProcessId + + +type alias Taggers msg = + Dict.Dict Time (List (Time -> msg)) + + +init : Task Never (State msg) +init = + Task.succeed (State Dict.empty Dict.empty) + + +onEffects : Platform.Router msg Time -> List (MySub msg) -> State msg -> Task Never (State msg) +onEffects router subs {processes} = + let + newTaggers = + List.foldl addMySub Dict.empty subs + + leftStep interval taggers (spawnList, existingDict, killTask) = + (interval :: spawnList, existingDict, killTask) + + bothStep interval taggers id (spawnList, existingDict, killTask) = + (spawnList, Dict.insert interval id existingDict, killTask) + + rightStep _ id (spawnList, existingDict, killTask) = + ( spawnList + , existingDict + , Native.Scheduler.kill id + |> Task.andThen (\_ -> killTask) + ) + + (spawnList, existingDict, killTask) = + Dict.merge + leftStep + bothStep + rightStep + newTaggers + processes + ([], Dict.empty, Task.succeed ()) + in + killTask + |> Task.andThen (\_ -> spawnHelp router spawnList existingDict) + |> Task.andThen (\newProcesses -> Task.succeed (State newTaggers newProcesses)) + + +addMySub : MySub msg -> Taggers msg -> Taggers msg +addMySub (Every interval tagger) state = + case Dict.get interval state of + Nothing -> + Dict.insert interval [tagger] state + + Just taggers -> + Dict.insert interval (tagger :: taggers) state + + +spawnHelp : Platform.Router msg Time -> List Time -> Processes -> Task.Task x Processes +spawnHelp router intervals processes = + case intervals of + [] -> + Task.succeed processes + + interval :: rest -> + let + spawnTimer = + Native.Scheduler.spawn (setInterval interval (Platform.sendToSelf router interval)) + + spawnRest id = + spawnHelp router rest (Dict.insert interval id processes) + in + spawnTimer + |> Task.andThen spawnRest + + +onSelfMsg : Platform.Router msg Time -> Time -> State msg -> Task Never (State msg) +onSelfMsg router interval state = + case Dict.get interval state.taggers of + Nothing -> + Task.succeed state + + Just taggers -> + let + tellTaggers time = + Task.sequence (List.map (\tagger -> Platform.sendToApp router (tagger time)) taggers) + in + now + |> Task.andThen tellTaggers + |> Task.andThen (\_ -> Task.succeed state) + + +setInterval : Time -> Task Never () -> Task x Never +setInterval = + Native.Time.setInterval_ diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Tuple.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Tuple.elm new file mode 100644 index 0000000..ab4c401 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/src/Tuple.elm @@ -0,0 +1,61 @@ +module Tuple exposing + ( first, second + , mapFirst, mapSecond + ) + +{-| Some helpers for working with 2-tuples. + +**Note:** For larger chunks of data, it is best to switch to using records. So +instead of representing a 3D point as `(3,4,5)` and wondering why there are no +helper functions, represent it as `{ x = 3, y = 4, z = 5 }` and use all the +built-in syntax for records. + +@docs first, second, mapFirst, mapSecond + +-} + + + +{-| Extract the first value from a tuple. + + first (3, 4) == 3 + first ("john", "doe") == "john" +-} +first : (a1, a2) -> a1 +first (x,_) = + x + + +{-| Extract the second value from a tuple. + + second (3, 4) == 4 + second ("john", "doe") == "doe" +-} +second : (a1, a2) -> a2 +second (_,y) = + y + + +{-| Transform the first value in a tuple. + + import String + + mapFirst String.reverse ("stressed", 16) == ("desserts", 16) + mapFirst String.length ("stressed", 16) == (8, 16) +-} +mapFirst : (a -> b) -> (a, a2) -> (b, a2) +mapFirst func (x,y) = + (func x, y) + + +{-| Transform the second value in a tuple. + + import String + + mapSecond sqrt ("stressed", 16) == ("stressed", 4) + mapSecond (\x -> x + 1) ("stressed", 16) == ("stressed", 17) +-} +mapSecond : (a -> b) -> (a1, a) -> (a1, b) +mapSecond func (x,y) = + (x, func y) + diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Main.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Main.elm new file mode 100644 index 0000000..0fb81c9 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Main.elm @@ -0,0 +1,50 @@ +port module Main exposing (..) + +import Basics exposing (..) +import Task exposing (..) +import Test exposing (..) +import Platform.Cmd exposing (Cmd) +import Json.Decode exposing (Value) +import Test.Runner.Node exposing (run, TestProgram) +import Test.Array as Array +import Test.Basics as Basics +import Test.Bitwise as Bitwise +import Test.Char as Char +import Test.CodeGen as CodeGen +import Test.Dict as Dict +import Test.Maybe as Maybe +import Test.Equality as Equality +import Test.Json as Json +import Test.List as List +import Test.Result as Result +import Test.Set as Set +import Test.String as String +import Test.Regex as Regex + + +tests : Test +tests = + describe "Elm Standard Library Tests" + [ Array.tests + , Basics.tests + , Bitwise.tests + , Char.tests + , CodeGen.tests + , Dict.tests + , Equality.tests + , Json.tests + , List.tests + , Result.tests + , Set.tests + , String.tests + , Regex.tests + , Maybe.tests + ] + + +main : TestProgram +main = + run emit tests + + +port emit : ( String, Value ) -> Cmd msg diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Array.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Array.elm new file mode 100644 index 0000000..e32b49d --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Array.elm @@ -0,0 +1,120 @@ +module Test.Array exposing (tests) + +import Array +import Basics exposing (..) +import List +import List exposing ((::)) +import Maybe exposing (..) +import Native.Array +import Test exposing (..) +import Expect + + +mergeSplit : Int -> Array.Array a -> Array.Array a +mergeSplit n arr = + let + left = + Array.slice 0 n arr + + right = + Array.slice n (Array.length arr) arr + in + Array.append left right + + +holeArray : Array.Array Int +holeArray = + List.foldl mergeSplit (Array.fromList (List.range 0 100)) (List.range 0 100) + + +mapArray : Array.Array a -> Array.Array a +mapArray array = + Array.indexedMap + (\i el -> + case (Array.get i array) of + Just x -> + x + + Nothing -> + el + ) + array + + +tests : Test +tests = + let + creationTests = + describe "Creation" + [ test "empty" <| \() -> Expect.equal Array.empty (Array.fromList []) + , test "initialize" <| \() -> Expect.equal (Array.initialize 4 identity) (Array.fromList [ 0, 1, 2, 3 ]) + , test "initialize 2" <| \() -> Expect.equal (Array.initialize 4 (\n -> n * n)) (Array.fromList [ 0, 1, 4, 9 ]) + , test "initialize 3" <| \() -> Expect.equal (Array.initialize 4 (always 0)) (Array.fromList [ 0, 0, 0, 0 ]) + , test "initialize Empty" <| \() -> Expect.equal (Array.initialize 0 identity) Array.empty + , test "initialize 4" <| \() -> Expect.equal (Array.initialize 2 (always 0)) (Array.fromList [ 0, 0 ]) + , test "initialize negative" <| \() -> Expect.equal (Array.initialize -1 identity) Array.empty + , test "repeat" <| \() -> Expect.equal (Array.repeat 5 40) (Array.fromList [ 40, 40, 40, 40, 40 ]) + , test "repeat 2" <| \() -> Expect.equal (Array.repeat 5 0) (Array.fromList [ 0, 0, 0, 0, 0 ]) + , test "repeat 3" <| \() -> Expect.equal (Array.repeat 3 "cat") (Array.fromList [ "cat", "cat", "cat" ]) + , test "fromList" <| \() -> Expect.equal (Array.fromList []) Array.empty + ] + + basicsTests = + describe "Basics" + [ test "length" <| \() -> Expect.equal 3 (Array.length (Array.fromList [ 1, 2, 3 ])) + , test "length - Long" <| \() -> Expect.equal 10000 (Array.length (Array.repeat 10000 0)) + , test "push" <| \() -> Expect.equal (Array.fromList [ 1, 2, 3 ]) (Array.push 3 (Array.fromList [ 1, 2 ])) + , test "append" <| \() -> Expect.equal [ 42, 42, 81, 81, 81 ] (Array.toList (Array.append (Array.repeat 2 42) (Array.repeat 3 81))) + , test "appendEmpty 1" <| \() -> Expect.equal (List.range 1 33) (Array.toList (Array.append Array.empty (Array.fromList <| List.range 1 33))) + , test "appendEmpty 2" <| \() -> Expect.equal (List.range 1 33) (Array.toList (Array.append (Array.fromList <| List.range 1 33) Array.empty)) + , test "appendSmall 1" <| \() -> Expect.equal (List.range 1 33) (Array.toList (Array.append (Array.fromList <| List.range 1 30) (Array.fromList <| List.range 31 33))) + , test "appendSmall 2" <| \() -> Expect.equal (List.range 1 33) (Array.toList (Array.append (Array.fromList <| List.range 1 3) (Array.fromList <| List.range 4 33))) + , test "appendAndSlice" <| \() -> Expect.equal (List.range 0 100) (Array.toList holeArray) + ] + + getAndSetTests = + describe "Get and Set" + [ test "get" <| \() -> Expect.equal (Just 2) (Array.get 1 (Array.fromList [ 3, 2, 1 ])) + , test "get 2" <| \() -> Expect.equal Nothing (Array.get 5 (Array.fromList [ 3, 2, 1 ])) + , test "get 3" <| \() -> Expect.equal Nothing (Array.get -1 (Array.fromList [ 3, 2, 1 ])) + , test "set" <| \() -> Expect.equal (Array.fromList [ 1, 7, 3 ]) (Array.set 1 7 (Array.fromList [ 1, 2, 3 ])) + ] + + takingArraysApartTests = + describe "Taking Arrays Apart" + [ test "toList" <| \() -> Expect.equal [ 3, 5, 8 ] (Array.toList (Array.fromList [ 3, 5, 8 ])) + , test "toIndexedList" <| \() -> Expect.equal [ ( 0, "cat" ), ( 1, "dog" ) ] (Array.toIndexedList (Array.fromList [ "cat", "dog" ])) + , test "slice 1" <| \() -> Expect.equal (Array.fromList [ 0, 1, 2 ]) (Array.slice 0 3 (Array.fromList [ 0, 1, 2, 3, 4 ])) + , test "slice 2" <| \() -> Expect.equal (Array.fromList [ 1, 2, 3 ]) (Array.slice 1 4 (Array.fromList [ 0, 1, 2, 3, 4 ])) + , test "slice 3" <| \() -> Expect.equal (Array.fromList [ 1, 2, 3 ]) (Array.slice 1 -1 (Array.fromList [ 0, 1, 2, 3, 4 ])) + , test "slice 4" <| \() -> Expect.equal (Array.fromList [ 2 ]) (Array.slice -3 -2 (Array.fromList [ 0, 1, 2, 3, 4 ])) + , test "slice 5" <| \() -> Expect.equal 63 (Array.length <| Array.slice 65 (65 + 63) <| Array.fromList (List.range 1 200)) + ] + + mappingAndFoldingTests = + describe "Mapping and Folding" + [ test "map" <| \() -> Expect.equal (Array.fromList [ 1, 2, 3 ]) (Array.map sqrt (Array.fromList [ 1, 4, 9 ])) + , test "indexedMap 1" <| \() -> Expect.equal (Array.fromList [ 0, 5, 10 ]) (Array.indexedMap (*) (Array.fromList [ 5, 5, 5 ])) + , test "indexedMap 2" <| \() -> Expect.equal (List.range 0 99) (Array.toList (Array.indexedMap always (Array.repeat 100 0))) + , test "large indexed map" <| \() -> Expect.equal (List.range 0 <| 32768 - 1) (Array.toList <| mapArray <| Array.initialize 32768 identity) + , test "foldl 1" <| \() -> Expect.equal [ 3, 2, 1 ] (Array.foldl (::) [] (Array.fromList [ 1, 2, 3 ])) + , test "foldl 2" <| \() -> Expect.equal 33 (Array.foldl (+) 0 (Array.repeat 33 1)) + , test "foldr 1" <| \() -> Expect.equal 15 (Array.foldr (+) 0 (Array.repeat 3 5)) + , test "foldr 2" <| \() -> Expect.equal [ 1, 2, 3 ] (Array.foldr (::) [] (Array.fromList [ 1, 2, 3 ])) + , test "foldr 3" <| \() -> Expect.equal 53 (Array.foldr (-) 54 (Array.fromList [ 10, 11 ])) + , test "filter" <| \() -> Expect.equal (Array.fromList [ 2, 4, 6 ]) (Array.filter (\x -> x % 2 == 0) (Array.fromList <| List.range 1 6)) + ] + + nativeTests = + describe "Conversion to JS Arrays" + [ test "jsArrays" <| \() -> Expect.equal (Array.fromList <| List.range 1 1100) (Native.Array.fromJSArray (Native.Array.toJSArray (Array.fromList <| List.range 1 1100))) + ] + in + describe "Array" + [ creationTests + , basicsTests + , getAndSetTests + , takingArraysApartTests + , mappingAndFoldingTests + , nativeTests + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Basics.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Basics.elm new file mode 100644 index 0000000..56742cb --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Basics.elm @@ -0,0 +1,220 @@ +module Test.Basics exposing (tests) + +import Array +import Tuple exposing (first, second) +import Basics exposing (..) +import Date +import Set +import Dict +import Test exposing (..) +import Expect +import List +import String + + +tests : Test +tests = + let + comparison = + describe "Comparison" + [ test "max" <| \() -> Expect.equal 42 (max 32 42) + , test "min" <| \() -> Expect.equal 42 (min 91 42) + , test "clamp low" <| \() -> Expect.equal 10 (clamp 10 20 5) + , test "clamp mid" <| \() -> Expect.equal 15 (clamp 10 20 15) + , test "clamp high" <| \() -> Expect.equal 20 (clamp 10 20 25) + , test "5 < 6" <| \() -> Expect.equal True (5 < 6) + , test "6 < 5" <| \() -> Expect.equal False (6 < 5) + , test "6 < 6" <| \() -> Expect.equal False (6 < 6) + , test "5 > 6" <| \() -> Expect.equal False (5 > 6) + , test "6 > 5" <| \() -> Expect.equal True (6 > 5) + , test "6 > 6" <| \() -> Expect.equal False (6 > 6) + , test "5 <= 6" <| \() -> Expect.equal True (5 <= 6) + , test "6 <= 5" <| \() -> Expect.equal False (6 <= 5) + , test "6 <= 6" <| \() -> Expect.equal True (6 <= 6) + , test "compare \"A\" \"B\"" <| \() -> Expect.equal LT (compare "A" "B") + , test "compare 'f' 'f'" <| \() -> Expect.equal EQ (compare 'f' 'f') + , test "compare (1, 2, 3, 4, 5, 6) (0, 1, 2, 3, 4, 5)" <| \() -> Expect.equal GT (compare ( 1, 2, 3, 4, 5, 6 ) ( 0, 1, 2, 3, 4, 5 )) + , test "compare ['a'] ['b']" <| \() -> Expect.equal LT (compare [ 'a' ] [ 'b' ]) + , test "array equality" <| \() -> Expect.equal (Array.fromList [ 1, 1, 1, 1 ]) (Array.repeat 4 1) + , test "set equality" <| \() -> Expect.equal (Set.fromList [ 1, 2 ]) (Set.fromList [ 2, 1 ]) + , test "dict equality" <| \() -> Expect.equal (Dict.fromList [ ( 1, 1 ), ( 2, 2 ) ]) (Dict.fromList [ ( 2, 2 ), ( 1, 1 ) ]) + , test "char equality" <| \() -> Expect.notEqual '0' '饑' + , test "date equality" <| \() -> Expect.equal (Date.fromString "2/7/1992") (Date.fromString "2/7/1992") + , test "date equality" <| \() -> Expect.notEqual (Date.fromString "11/16/1995") (Date.fromString "2/7/1992") + ] + + toStringTests = + describe "toString Tests" + [ test "toString Int" <| \() -> Expect.equal "42" (toString 42) + , test "toString Float" <| \() -> Expect.equal "42.52" (toString 42.52) + , test "toString Char" <| \() -> Expect.equal "'c'" (toString 'c') + , test "toString Char single quote" <| \() -> Expect.equal "'\\''" (toString '\'') + , test "toString Char double quote" <| \() -> Expect.equal "'\"'" (toString '"') + , test "toString String single quote" <| \() -> Expect.equal "\"not 'escaped'\"" (toString "not 'escaped'") + , test "toString String double quote" <| \() -> Expect.equal "\"are \\\"escaped\\\"\"" (toString "are \"escaped\"") + , test "toString record" <| \() -> Expect.equal "{ field = [0] }" (toString { field = [ 0 ] }) + -- TODO + --, test "toString record, special case" <| \() -> Expect.equal "{ ctor = [0] }" (toString { ctor = [ 0 ] }) + ] + + trigTests = + describe "Trigonometry Tests" + [ test "radians 0" <| \() -> Expect.equal 0 (radians 0) + , test "radians positive" <| \() -> Expect.equal 5 (radians 5) + , test "radians negative" <| \() -> Expect.equal -5 (radians -5) + , test "degrees 0" <| \() -> Expect.equal 0 (degrees 0) + , test "degrees 90" <| \() -> Expect.lessThan 0.01 (abs (1.57 - degrees 90)) + -- This should test to enough precision to know if anything's breaking + , test "degrees -145" <| \() -> Expect.lessThan 0.01 (abs (-2.53 - degrees -145)) + -- This should test to enough precision to know if anything's breaking + , test "turns 0" <| \() -> Expect.equal 0 (turns 0) + , test "turns 8" <| \() -> Expect.lessThan 0.01 (abs (50.26 - turns 8)) + -- This should test to enough precision to know if anything's breaking + , test "turns -133" <| \() -> Expect.lessThan 0.01 (abs (-835.66 - turns -133)) + -- This should test to enough precision to know if anything's breaking + , test "fromPolar (0, 0)" <| \() -> Expect.equal ( 0, 0 ) (fromPolar ( 0, 0 )) + , test "fromPolar (1, 0)" <| \() -> Expect.equal ( 1, 0 ) (fromPolar ( 1, 0 )) + , test "fromPolar (0, 1)" <| \() -> Expect.equal ( 0, 0 ) (fromPolar ( 0, 1 )) + , test "fromPolar (1, 1)" <| + \() -> + Expect.equal True + (let + ( x, y ) = + fromPolar ( 1, 1 ) + in + 0.54 - x < 0.01 && 0.84 - y < 0.01 + ) + , test "toPolar (0, 0)" <| \() -> Expect.equal ( 0, 0 ) (toPolar ( 0, 0 )) + , test "toPolar (1, 0)" <| \() -> Expect.equal ( 1, 0 ) (toPolar ( 1, 0 )) + , test "toPolar (0, 1)" <| + \() -> + Expect.equal True + (let + ( r, theta ) = + toPolar ( 0, 1 ) + in + r == 1 && abs (1.57 - theta) < 0.01 + ) + , test "toPolar (1, 1)" <| + \() -> + Expect.equal True + (let + ( r, theta ) = + toPolar ( 1, 1 ) + in + abs (1.41 - r) < 0.01 && abs (0.78 - theta) < 0.01 + ) + , test "cos" <| \() -> Expect.equal 1 (cos 0) + , test "sin" <| \() -> Expect.equal 0 (sin 0) + , test "tan" <| \() -> Expect.lessThan 0.01 (abs (12.67 - tan 17.2)) + , test "acos" <| \() -> Expect.lessThan 0.01 (abs (3.14 - acos -1)) + , test "asin" <| \() -> Expect.lessThan 0.01 (abs (0.3 - asin 0.3)) + , test "atan" <| \() -> Expect.lessThan 0.01 (abs (1.57 - atan 4567.8)) + , test "atan2" <| \() -> Expect.lessThan 0.01 (abs (1.55 - atan2 36 0.65)) + , test "pi" <| \() -> Expect.lessThan 0.01 (abs (3.14 - pi)) + ] + + basicMathTests = + describe "Basic Math Tests" + [ test "add float" <| \() -> Expect.equal 159 (155.6 + 3.4) + , test "add int" <| \() -> Expect.equal 17 ((round 10) + (round 7)) + , test "subtract float" <| \() -> Expect.equal -6.3 (1 - 7.3) + , test "subtract int" <| \() -> Expect.equal 1130 ((round 9432) - (round 8302)) + , test "multiply float" <| \() -> Expect.equal 432 (96 * 4.5) + , test "multiply int" <| \() -> Expect.equal 90 ((round 10) * (round 9)) + , test "divide float" <| \() -> Expect.equal 13.175 (527 / 40) + , test "divide int" <| \() -> Expect.equal 23 (70 // 3) + , test "2 |> rem 7" <| \() -> Expect.equal 1 (2 |> rem 7) + , test "4 |> rem -1" <| \() -> Expect.equal -1 (4 |> rem -1) + , test "7 % 2" <| \() -> Expect.equal 1 (7 % 2) + , test "-1 % 4" <| \() -> Expect.equal 3 (-1 % 4) + , test "3^2" <| \() -> Expect.equal 9 (3 ^ 2) + , test "sqrt" <| \() -> Expect.equal 9 (sqrt 81) + , test "negate 42" <| \() -> Expect.equal -42 (negate 42) + , test "negate -42" <| \() -> Expect.equal 42 (negate -42) + , test "negate 0" <| \() -> Expect.equal 0 (negate 0) + , test "abs -25" <| \() -> Expect.equal 25 (abs -25) + , test "abs 76" <| \() -> Expect.equal 76 (abs 76) + , test "logBase 10 100" <| \() -> Expect.equal 2 (logBase 10 100) + , test "logBase 2 256" <| \() -> Expect.equal 8 (logBase 2 256) + , test "e" <| \() -> Expect.lessThan 0.01 (abs (2.72 - e)) + ] + + booleanTests = + describe "Boolean Tests" + [ test "False && False" <| \() -> Expect.equal False (False && False) + , test "False && True" <| \() -> Expect.equal False (False && True) + , test "True && False" <| \() -> Expect.equal False (True && False) + , test "True && True" <| \() -> Expect.equal True (True && True) + , test "False || False" <| \() -> Expect.equal False (False || False) + , test "False || True" <| \() -> Expect.equal True (False || True) + , test "True || False" <| \() -> Expect.equal True (True || False) + , test "True || True" <| \() -> Expect.equal True (True || True) + , test "xor False False" <| \() -> Expect.equal False (xor False False) + , test "xor False True" <| \() -> Expect.equal True (xor False True) + , test "xor True False" <| \() -> Expect.equal True (xor True False) + , test "xor True True" <| \() -> Expect.equal False (xor True True) + , test "not True" <| \() -> Expect.equal False (not True) + , test "not False" <| \() -> Expect.equal True (not False) + ] + + conversionTests = + describe "Conversion Tests" + [ test "round 0.6" <| \() -> Expect.equal 1 (round 0.6) + , test "round 0.4" <| \() -> Expect.equal 0 (round 0.4) + , test "round 0.5" <| \() -> Expect.equal 1 (round 0.5) + , test "truncate -2367.9267" <| \() -> Expect.equal -2367 (truncate -2367.9267) + , test "floor -2367.9267" <| \() -> Expect.equal -2368 (floor -2367.9267) + , test "ceiling 37.2" <| \() -> Expect.equal 38 (ceiling 37.2) + , test "toFloat 25" <| \() -> Expect.equal 25 (toFloat 25) + ] + + miscTests = + describe "Miscellaneous Tests" + [ test "isNaN (0/0)" <| \() -> Expect.equal True (isNaN (0 / 0)) + , test "isNaN (sqrt -1)" <| \() -> Expect.equal True (isNaN (sqrt -1)) + , test "isNaN (1/0)" <| \() -> Expect.equal False (isNaN (1 / 0)) + , test "isNaN 1" <| \() -> Expect.equal False (isNaN 1) + , test "isInfinite (0/0)" <| \() -> Expect.equal False (isInfinite (0 / 0)) + , test "isInfinite (sqrt -1)" <| \() -> Expect.equal False (isInfinite (sqrt -1)) + , test "isInfinite (1/0)" <| \() -> Expect.equal True (isInfinite (1 / 0)) + , test "isInfinite 1" <| \() -> Expect.equal False (isInfinite 1) + , test "\"hello\" ++ \"world\"" <| \() -> Expect.equal "helloworld" ("hello" ++ "world") + , test "[1, 1, 2] ++ [3, 5, 8]" <| \() -> Expect.equal [ 1, 1, 2, 3, 5, 8 ] ([ 1, 1, 2 ] ++ [ 3, 5, 8 ]) + , test "first (1, 2)" <| \() -> Expect.equal 1 (first ( 1, 2 )) + , test "second (1, 2)" <| \() -> Expect.equal 2 (second ( 1, 2 )) + ] + + higherOrderTests = + describe "Higher Order Helpers" + [ test "identity 'c'" <| \() -> Expect.equal 'c' (identity 'c') + , test "always 42 ()" <| \() -> Expect.equal 42 (always 42 ()) + , test "<|" <| \() -> Expect.equal 9 (identity <| 3 + 6) + , test "|>" <| \() -> Expect.equal 9 (3 + 6 |> identity) + , test "<<" <| \() -> Expect.equal True (not << xor True <| True) + , test "<<" <| \() -> Expect.equal True (not << xor True <| True) + , describe ">>" + [ test "with xor" <| + \() -> + (True |> xor True >> not) + |> Expect.equal True + , test "with a record accessor" <| + \() -> + [ { foo = "NaS", bar = "baz" } ] + |> List.map (.foo >> String.reverse) + |> Expect.equal [ "SaN" ] + ] + , test "flip" <| \() -> Expect.equal 10 ((flip (//)) 2 20) + , test "curry" <| \() -> Expect.equal 1 ((curry (\( a, b ) -> a + b)) -5 6) + , test "uncurry" <| \() -> Expect.equal 1 ((uncurry (+)) ( -5, 6 )) + ] + in + describe "Basics" + [ comparison + , toStringTests + , trigTests + , basicMathTests + , booleanTests + , miscTests + , higherOrderTests + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Bitwise.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Bitwise.elm new file mode 100644 index 0000000..844ebba --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Bitwise.elm @@ -0,0 +1,51 @@ +module Test.Bitwise exposing (tests) + +import Basics exposing (..) +import Bitwise +import Test exposing (..) +import Expect + + +tests : Test +tests = + describe "Bitwise" + [ describe "and" + [ test "and with 32 bit integers" <| \() -> Expect.equal 1 (Bitwise.and 5 3) + , test "and with 0 as first argument" <| \() -> Expect.equal 0 (Bitwise.and 0 1450) + , test "and with 0 as second argument" <| \() -> Expect.equal 0 (Bitwise.and 274 0) + , test "and with -1 as first argument" <| \() -> Expect.equal 2671 (Bitwise.and -1 2671) + , test "and with -1 as second argument" <| \() -> Expect.equal 96 (Bitwise.and 96 -1) + ] + , describe "or" + [ test "or with 32 bit integers" <| \() -> Expect.equal 15 (Bitwise.or 9 14) + , test "or with 0 as first argument" <| \() -> Expect.equal 843 (Bitwise.or 0 843) + , test "or with 0 as second argument" <| \() -> Expect.equal 19 (Bitwise.or 19 0) + , test "or with -1 as first argument" <| \() -> Expect.equal -1 (Bitwise.or -1 2360) + , test "or with -1 as second argument" <| \() -> Expect.equal -1 (Bitwise.or 3 -1) + ] + , describe "xor" + [ test "xor with 32 bit integers" <| \() -> Expect.equal 604 (Bitwise.xor 580 24) + , test "xor with 0 as first argument" <| \() -> Expect.equal 56 (Bitwise.xor 0 56) + , test "xor with 0 as second argument" <| \() -> Expect.equal -268 (Bitwise.xor -268 0) + , test "xor with -1 as first argument" <| \() -> Expect.equal -25 (Bitwise.xor -1 24) + , test "xor with -1 as second argument" <| \() -> Expect.equal 25601 (Bitwise.xor -25602 -1) + ] + , describe "complement" + [ test "complement a positive" <| \() -> Expect.equal -9 (Bitwise.complement 8) + , test "complement a negative" <| \() -> Expect.equal 278 (Bitwise.complement -279) + ] + , describe "shiftLeftBy" + [ test "8 |> shiftLeftBy 1 == 16" <| \() -> Expect.equal 16 (8 |> Bitwise.shiftLeftBy 1) + , test "8 |> shiftLeftby 2 == 32" <| \() -> Expect.equal 32 (8 |> Bitwise.shiftLeftBy 2) + ] + , describe "shiftRightBy" + [ test "32 |> shiftRight 1 == 16" <| \() -> Expect.equal 16 (32 |> Bitwise.shiftRightBy 1) + , test "32 |> shiftRight 2 == 8" <| \() -> Expect.equal 8 (32 |> Bitwise.shiftRightBy 2) + , test "-32 |> shiftRight 1 == -16" <| \() -> Expect.equal -16 (-32 |> Bitwise.shiftRightBy 1) + ] + , describe "shiftRightZfBy" + [ test "32 |> shiftRightZfBy 1 == 16" <| \() -> Expect.equal 16 (32 |> Bitwise.shiftRightZfBy 1) + , test "32 |> shiftRightZfBy 2 == 8" <| \() -> Expect.equal 8 (32 |> Bitwise.shiftRightZfBy 2) + , test "-32 |> shiftRightZfBy 1 == 2147483632" <| \() -> Expect.equal 2147483632 (-32 |> Bitwise.shiftRightZfBy 1) + ] + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Char.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Char.elm new file mode 100644 index 0000000..598aae3 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Char.elm @@ -0,0 +1,113 @@ +module Test.Char exposing (tests) + +import Basics exposing (..) +import Char exposing (..) +import List +import Test exposing (..) +import Expect + + +lower = + [ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' ] + + +upper = + [ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' ] + + +dec = + [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' ] + + +oct = + List.take 8 dec + + +hexLower = + List.take 6 lower + + +hexUpper = + List.take 6 upper + + +hex = + List.append hexLower hexUpper |> List.append dec + + +lowerCodes = + List.range 97 (97 + List.length lower - 1) + + +upperCodes = + List.range 65 (65 + List.length upper - 1) + + +decCodes = + List.range 48 (48 + List.length dec - 1) + + +oneOf : List a -> a -> Bool +oneOf = + flip List.member + + +tests : Test +tests = + describe "Char" + [ describe "toCode" + [ test "a-z" <| \() -> Expect.equal (lowerCodes) (List.map toCode lower) + , test "A-Z" <| \() -> Expect.equal (upperCodes) (List.map toCode upper) + , test "0-9" <| \() -> Expect.equal (decCodes) (List.map toCode dec) + ] + , describe "fromCode" + [ test "a-z" <| \() -> Expect.equal (lower) (List.map fromCode lowerCodes) + , test "A-Z" <| \() -> Expect.equal (upper) (List.map fromCode upperCodes) + , test "0-9" <| \() -> Expect.equal (dec) (List.map fromCode decCodes) + ] + , describe "toLocaleLower" + [ test "a-z" <| \() -> Expect.equal (lower) (List.map toLocaleLower lower) + , test "A-Z" <| \() -> Expect.equal (lower) (List.map toLocaleLower upper) + , test "0-9" <| \() -> Expect.equal (dec) (List.map toLocaleLower dec) + ] + , describe "toLocaleUpper" + [ test "a-z" <| \() -> Expect.equal (upper) (List.map toLocaleUpper lower) + , test "A-Z" <| \() -> Expect.equal (upper) (List.map toLocaleUpper upper) + , test "0-9" <| \() -> Expect.equal (dec) (List.map toLocaleUpper dec) + ] + , describe "toLower" + [ test "a-z" <| \() -> Expect.equal (lower) (List.map toLower lower) + , test "A-Z" <| \() -> Expect.equal (lower) (List.map toLower upper) + , test "0-9" <| \() -> Expect.equal (dec) (List.map toLower dec) + ] + , describe "toUpper" + [ test "a-z" <| \() -> Expect.equal (upper) (List.map toUpper lower) + , test "A-Z" <| \() -> Expect.equal (upper) (List.map toUpper upper) + , test "0-9" <| \() -> Expect.equal (dec) (List.map toUpper dec) + ] + , describe "isLower" + [ test "a-z" <| \() -> Expect.equal (True) (List.all isLower lower) + , test "A-Z" <| \() -> Expect.equal (False) (List.any isLower upper) + , test "0-9" <| \() -> Expect.equal (False) (List.any isLower dec) + ] + , describe "isUpper" + [ test "a-z" <| \() -> Expect.equal (False) (List.any isUpper lower) + , test "A-Z" <| \() -> Expect.equal (True) (List.all isUpper upper) + , test "0-9" <| \() -> Expect.equal (False) (List.any isUpper dec) + ] + , describe "isDigit" + [ test "a-z" <| \() -> Expect.equal (False) (List.any isDigit lower) + , test "A-Z" <| \() -> Expect.equal (False) (List.any isDigit upper) + , test "0-9" <| \() -> Expect.equal (True) (List.all isDigit dec) + ] + , describe "isHexDigit" + [ test "a-z" <| \() -> Expect.equal (List.map (oneOf hex) lower) (List.map isHexDigit lower) + , test "A-Z" <| \() -> Expect.equal (List.map (oneOf hex) upper) (List.map isHexDigit upper) + , test "0-9" <| \() -> Expect.equal (True) (List.all isHexDigit dec) + ] + , describe "isOctDigit" + [ test "a-z" <| \() -> Expect.equal (False) (List.any isOctDigit lower) + , test "A-Z" <| \() -> Expect.equal (False) (List.any isOctDigit upper) + , test "0-9" <| \() -> Expect.equal (List.map (oneOf oct) dec) (List.map isOctDigit dec) + ] + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/CodeGen.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/CodeGen.elm new file mode 100644 index 0000000..4a89c63 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/CodeGen.elm @@ -0,0 +1,109 @@ +module Test.CodeGen exposing (tests) + +import Basics exposing (..) +import Test exposing (..) +import Expect +import Maybe +import Maybe exposing (..) + + +type Wrapper a + = Wrapper a + + +caseUnderscore : Maybe number -> number +caseUnderscore m_ = + case m_ of + Just x -> + x + + Nothing -> + 0 + + +patternUnderscore : number +patternUnderscore = + case Just 42 of + Just x_ -> + x_ + + Nothing -> + 0 + + +letQualified : number +letQualified = + let + (Wrapper x) = + Wrapper 42 + in + x + + +caseQualified : number +caseQualified = + case Just 42 of + Maybe.Just x -> + x + + Nothing -> + 0 + + +caseScope : String +caseScope = + case "Not this one!" of + string -> + case "Hi" of + string -> + string + + +tests : Test +tests = + let + -- We don't strictly speaking need annotations in this let-expression, + -- but having these here exercises the parser to avoid regressions like + -- https://github.com/elm-lang/elm-compiler/issues/1535 + underscores : Test + underscores = + describe "Underscores" + [ test "case" <| \() -> Expect.equal 42 (caseUnderscore (Just 42)) + , test "pattern" <| \() -> Expect.equal 42 patternUnderscore + ] + + qualifiedPatterns : Test + qualifiedPatterns = + describe "Qualified Patterns" + [ test "let" <| \() -> Expect.equal 42 letQualified + , test "case" <| \() -> Expect.equal 42 caseQualified + ] + + scope : Test + scope = + describe "Scoping" + [ test "case" <| \() -> Expect.equal "Hi" caseScope ] + + hex : Test + hex = + describe "Hex" + [ test "0xFFFFFFFF" <| + \() -> + 0xFFFFFFFF + |> Expect.equal 4294967295 + , test "0xD066F00D" <| + \() -> + 0xD066F00D + |> Expect.equal 3496407053 + , test "0x00" <| + \() -> + 0x00 + |> Expect.equal 0 + ] + in + describe "CodeGen" + [ underscores + , qualifiedPatterns + , scope + , hex + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Dict.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Dict.elm new file mode 100644 index 0000000..372b2c9 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Dict.elm @@ -0,0 +1,107 @@ +module Test.Dict exposing (tests) + +import Basics exposing (..) +import Dict +import List +import Maybe exposing (..) +import Test exposing (..) +import Expect + + +animals : Dict.Dict String String +animals = + Dict.fromList [ ( "Tom", "cat" ), ( "Jerry", "mouse" ) ] + + +tests : Test +tests = + let + buildTests = + describe "build Tests" + [ test "empty" <| \() -> Expect.equal (Dict.fromList []) (Dict.empty) + , test "singleton" <| \() -> Expect.equal (Dict.fromList [ ( "k", "v" ) ]) (Dict.singleton "k" "v") + , test "insert" <| \() -> Expect.equal (Dict.fromList [ ( "k", "v" ) ]) (Dict.insert "k" "v" Dict.empty) + , test "insert replace" <| \() -> Expect.equal (Dict.fromList [ ( "k", "vv" ) ]) (Dict.insert "k" "vv" (Dict.singleton "k" "v")) + , test "update" <| \() -> Expect.equal (Dict.fromList [ ( "k", "vv" ) ]) (Dict.update "k" (\v -> Just "vv") (Dict.singleton "k" "v")) + , test "update Nothing" <| \() -> Expect.equal Dict.empty (Dict.update "k" (\v -> Nothing) (Dict.singleton "k" "v")) + , test "remove" <| \() -> Expect.equal Dict.empty (Dict.remove "k" (Dict.singleton "k" "v")) + , test "remove not found" <| \() -> Expect.equal (Dict.singleton "k" "v") (Dict.remove "kk" (Dict.singleton "k" "v")) + ] + + queryTests = + describe "query Tests" + [ test "member 1" <| \() -> Expect.equal True (Dict.member "Tom" animals) + , test "member 2" <| \() -> Expect.equal False (Dict.member "Spike" animals) + , test "get 1" <| \() -> Expect.equal (Just "cat") (Dict.get "Tom" animals) + , test "get 2" <| \() -> Expect.equal Nothing (Dict.get "Spike" animals) + , test "size of empty dictionary" <| \() -> Expect.equal 0 (Dict.size Dict.empty) + , test "size of example dictionary" <| \() -> Expect.equal 2 (Dict.size animals) + ] + + combineTests = + describe "combine Tests" + [ test "union" <| \() -> Expect.equal animals (Dict.union (Dict.singleton "Jerry" "mouse") (Dict.singleton "Tom" "cat")) + , test "union collison" <| \() -> Expect.equal (Dict.singleton "Tom" "cat") (Dict.union (Dict.singleton "Tom" "cat") (Dict.singleton "Tom" "mouse")) + , test "intersect" <| \() -> Expect.equal (Dict.singleton "Tom" "cat") (Dict.intersect animals (Dict.singleton "Tom" "cat")) + , test "diff" <| \() -> Expect.equal (Dict.singleton "Jerry" "mouse") (Dict.diff animals (Dict.singleton "Tom" "cat")) + ] + + transformTests = + describe "transform Tests" + [ test "filter" <| \() -> Expect.equal (Dict.singleton "Tom" "cat") (Dict.filter (\k v -> k == "Tom") animals) + , test "partition" <| \() -> Expect.equal ( Dict.singleton "Tom" "cat", Dict.singleton "Jerry" "mouse" ) (Dict.partition (\k v -> k == "Tom") animals) + ] + + mergeTests = + let + insertBoth key leftVal rightVal dict = + Dict.insert key (leftVal ++ rightVal) dict + + s1 = + Dict.empty |> Dict.insert "u1" [ 1 ] + + s2 = + Dict.empty |> Dict.insert "u2" [ 2 ] + + s23 = + Dict.empty |> Dict.insert "u2" [ 3 ] + + b1 = + List.map (\i -> ( i, [ i ] )) (List.range 1 10) |> Dict.fromList + + b2 = + List.map (\i -> ( i, [ i ] )) (List.range 5 15) |> Dict.fromList + + bExpected = + [ ( 1, [ 1 ] ), ( 2, [ 2 ] ), ( 3, [ 3 ] ), ( 4, [ 4 ] ), ( 5, [ 5, 5 ] ), ( 6, [ 6, 6 ] ), ( 7, [ 7, 7 ] ), ( 8, [ 8, 8 ] ), ( 9, [ 9, 9 ] ), ( 10, [ 10, 10 ] ), ( 11, [ 11 ] ), ( 12, [ 12 ] ), ( 13, [ 13 ] ), ( 14, [ 14 ] ), ( 15, [ 15 ] ) ] + in + describe "merge Tests" + [ test "merge empties" <| + \() -> + Expect.equal (Dict.empty) + (Dict.merge Dict.insert insertBoth Dict.insert Dict.empty Dict.empty Dict.empty) + , test "merge singletons in order" <| + \() -> + Expect.equal [ ( "u1", [ 1 ] ), ( "u2", [ 2 ] ) ] + ((Dict.merge Dict.insert insertBoth Dict.insert s1 s2 Dict.empty) |> Dict.toList) + , test "merge singletons out of order" <| + \() -> + Expect.equal [ ( "u1", [ 1 ] ), ( "u2", [ 2 ] ) ] + ((Dict.merge Dict.insert insertBoth Dict.insert s2 s1 Dict.empty) |> Dict.toList) + , test "merge with duplicate key" <| + \() -> + Expect.equal [ ( "u2", [ 2, 3 ] ) ] + ((Dict.merge Dict.insert insertBoth Dict.insert s2 s23 Dict.empty) |> Dict.toList) + , test "partially overlapping" <| + \() -> + Expect.equal bExpected + ((Dict.merge Dict.insert insertBoth Dict.insert b1 b2 Dict.empty) |> Dict.toList) + ] + in + describe "Dict Tests" + [ buildTests + , queryTests + , combineTests + , transformTests + , mergeTests + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Equality.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Equality.elm new file mode 100644 index 0000000..1737477 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Equality.elm @@ -0,0 +1,34 @@ +module Test.Equality exposing (tests) + +import Basics exposing (..) +import Maybe exposing (..) +import Test exposing (..) +import Expect + + +type Different + = A String + | B (List Int) + + +tests : Test +tests = + let + diffTests = + describe "ADT equality" + [ test "As eq" <| \() -> Expect.equal True (A "a" == A "a") + , test "Bs eq" <| \() -> Expect.equal True (B [ 1 ] == B [ 1 ]) + , test "A left neq" <| \() -> Expect.equal True (A "a" /= B [ 1 ]) + , test "A left neq" <| \() -> Expect.equal True (B [ 1 ] /= A "a") + ] + + recordTests = + describe "Record equality" + [ test "empty same" <| \() -> Expect.equal True ({} == {}) + , test "ctor same" <| \() -> Expect.equal True ({ field = Just 3 } == { field = Just 3 }) + , test "ctor same, special case" <| \() -> Expect.equal True ({ ctor = Just 3 } == { ctor = Just 3 }) + , test "ctor diff" <| \() -> Expect.equal True ({ field = Just 3 } /= { field = Nothing }) + , test "ctor diff, special case" <| \() -> Expect.equal True ({ ctor = Just 3 } /= { ctor = Nothing }) + ] + in + describe "Equality Tests" [ diffTests, recordTests ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Json.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Json.elm new file mode 100644 index 0000000..614a1dd --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Json.elm @@ -0,0 +1,84 @@ +module Test.Json exposing (tests) + +import Basics exposing (..) +import Result exposing (..) +import Json.Decode as Json +import String +import Test exposing (..) +import Expect + + +tests : Test +tests = + describe "Json decode" + [ intTests + , customTests + ] + + +intTests : Test +intTests = + let + testInt val str = + case Json.decodeString Json.int str of + Ok _ -> + Expect.equal val True + + Err _ -> + Expect.equal val False + in + describe "Json decode int" + [ test "whole int" <| \() -> testInt True "4" + , test "-whole int" <| \() -> testInt True "-4" + , test "whole float" <| \() -> testInt True "4.0" + , test "-whole float" <| \() -> testInt True "-4.0" + , test "large int" <| \() -> testInt True "1801439850948" + , test "-large int" <| \() -> testInt True "-1801439850948" + , test "float" <| \() -> testInt False "4.2" + , test "-float" <| \() -> testInt False "-4.2" + , test "Infinity" <| \() -> testInt False "Infinity" + , test "-Infinity" <| \() -> testInt False "-Infinity" + , test "NaN" <| \() -> testInt False "NaN" + , test "-NaN" <| \() -> testInt False "-NaN" + , test "true" <| \() -> testInt False "true" + , test "false" <| \() -> testInt False "false" + , test "string" <| \() -> testInt False "\"string\"" + , test "object" <| \() -> testInt False "{}" + , test "null" <| \() -> testInt False "null" + , test "undefined" <| \() -> testInt False "undefined" + , test "Decoder expects object finds array, was crashing runtime." <| + \() -> + Expect.equal + (Err "Expecting an object but instead got: []") + (Json.decodeString (Json.dict Json.float) "[]") + ] + + +customTests : Test +customTests = + let + jsonString = + """{ "foo": "bar" }""" + + customErrorMessage = + "I want to see this message!" + + myDecoder = + Json.field "foo" Json.string |> Json.andThen (\_ -> Json.fail customErrorMessage) + + assertion = + case Json.decodeString myDecoder jsonString of + Ok _ -> + Expect.fail "expected `customDecoder` to produce a value of type Err, but got Ok" + + Err message -> + if String.contains customErrorMessage message then + Expect.pass + else + Expect.fail <| + "expected `customDecoder` to preserve user's error message '" + ++ customErrorMessage + ++ "', but instead got: " + ++ message + in + test "customDecoder preserves user error messages" <| \() -> assertion diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/List.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/List.elm new file mode 100644 index 0000000..ed26f0f --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/List.elm @@ -0,0 +1,160 @@ +module Test.List exposing (tests) + +import Test exposing (..) +import Expect +import Basics exposing (..) +import Maybe exposing (Maybe(Nothing, Just)) +import List exposing (..) + + +tests : Test +tests = + describe "List Tests" + [ testListOfN 0 + , testListOfN 1 + , testListOfN 2 + , testListOfN 5000 + ] + + +testListOfN : Int -> Test +testListOfN n = + let + xs = + List.range 1 n + + xsOpp = + List.range -n -1 + + xsNeg = + foldl (::) [] xsOpp + + -- assume foldl and (::) work + zs = + List.range 0 n + + sumSeq k = + k * (k + 1) // 2 + + xsSum = + sumSeq n + + mid = + n // 2 + in + describe (toString n ++ " elements") + [ describe "foldl" + [ test "order" <| \() -> Expect.equal (n) (foldl (\x acc -> x) 0 xs) + , test "total" <| \() -> Expect.equal (xsSum) (foldl (+) 0 xs) + ] + , describe "foldr" + [ test "order" <| \() -> Expect.equal (min 1 n) (foldr (\x acc -> x) 0 xs) + , test "total" <| \() -> Expect.equal (xsSum) (foldl (+) 0 xs) + ] + , describe "map" + [ test "identity" <| \() -> Expect.equal (xs) (map identity xs) + , test "linear" <| \() -> Expect.equal (List.range 2 (n + 1)) (map ((+) 1) xs) + ] + , test "isEmpty" <| \() -> Expect.equal (n == 0) (isEmpty xs) + , test "length" <| \() -> Expect.equal (n) (length xs) + , test "reverse" <| \() -> Expect.equal (xsOpp) (reverse xsNeg) + , describe "member" + [ test "positive" <| \() -> Expect.equal (True) (member n zs) + , test "negative" <| \() -> Expect.equal (False) (member (n + 1) xs) + ] + , test "head" <| + \() -> + if n == 0 then + Expect.equal (Nothing) (head xs) + else + Expect.equal (Just 1) (head xs) + , describe "List.filter" + [ test "none" <| \() -> Expect.equal ([]) (List.filter (\x -> x > n) xs) + , test "one" <| \() -> Expect.equal ([ n ]) (List.filter (\z -> z == n) zs) + , test "all" <| \() -> Expect.equal (xs) (List.filter (\x -> x <= n) xs) + ] + , describe "take" + [ test "none" <| \() -> Expect.equal ([]) (take 0 xs) + , test "some" <| \() -> Expect.equal (List.range 0 (n - 1)) (take n zs) + , test "all" <| \() -> Expect.equal (xs) (take n xs) + , test "all+" <| \() -> Expect.equal (xs) (take (n + 1) xs) + ] + , describe "drop" + [ test "none" <| \() -> Expect.equal (xs) (drop 0 xs) + , test "some" <| \() -> Expect.equal ([ n ]) (drop n zs) + , test "all" <| \() -> Expect.equal ([]) (drop n xs) + , test "all+" <| \() -> Expect.equal ([]) (drop (n + 1) xs) + ] + , test "repeat" <| \() -> Expect.equal (map (\x -> -1) xs) (repeat n -1) + , test "append" <| \() -> Expect.equal (xsSum * 2) (append xs xs |> foldl (+) 0) + , test "(::)" <| \() -> Expect.equal (append [ -1 ] xs) (-1 :: xs) + , test "List.concat" <| \() -> Expect.equal (append xs (append zs xs)) (List.concat [ xs, zs, xs ]) + , test "intersperse" <| + \() -> + Expect.equal + ( min -(n - 1) 0, xsSum ) + (intersperse -1 xs |> foldl (\x ( c1, c2 ) -> ( c2, c1 + x )) ( 0, 0 )) + , describe "partition" + [ test "left" <| \() -> Expect.equal ( xs, [] ) (partition (\x -> x > 0) xs) + , test "right" <| \() -> Expect.equal ( [], xs ) (partition (\x -> x < 0) xs) + , test "split" <| \() -> Expect.equal ( List.range (mid + 1) n, List.range 1 mid ) (partition (\x -> x > mid) xs) + ] + , describe "map2" + [ test "same length" <| \() -> Expect.equal (map ((*) 2) xs) (map2 (+) xs xs) + , test "long first" <| \() -> Expect.equal (map (\x -> x * 2 - 1) xs) (map2 (+) zs xs) + , test "short first" <| \() -> Expect.equal (map (\x -> x * 2 - 1) xs) (map2 (+) xs zs) + ] + , test "unzip" <| \() -> Expect.equal ( xsNeg, xs ) (map (\x -> ( -x, x )) xs |> unzip) + , describe "filterMap" + [ test "none" <| \() -> Expect.equal ([]) (filterMap (\x -> Nothing) xs) + , test "all" <| \() -> Expect.equal (xsNeg) (filterMap (\x -> Just -x) xs) + , let + halve x = + if x % 2 == 0 then + Just (x // 2) + else + Nothing + in + test "some" <| \() -> Expect.equal (List.range 1 mid) (filterMap halve xs) + ] + , describe "concatMap" + [ test "none" <| \() -> Expect.equal ([]) (concatMap (\x -> []) xs) + , test "all" <| \() -> Expect.equal (xsNeg) (concatMap (\x -> [ -x ]) xs) + ] + , test "indexedMap" <| \() -> Expect.equal (map2 (,) zs xsNeg) (indexedMap (\i x -> ( i, -x )) xs) + , test "sum" <| \() -> Expect.equal (xsSum) (sum xs) + , test "product" <| \() -> Expect.equal (0) (product zs) + , test "maximum" <| + \() -> + if n == 0 then + Expect.equal (Nothing) (maximum xs) + else + Expect.equal (Just n) (maximum xs) + , test "minimum" <| + \() -> + if n == 0 then + Expect.equal (Nothing) (minimum xs) + else + Expect.equal (Just 1) (minimum xs) + , describe "all" + [ test "false" <| \() -> Expect.equal (False) (all (\z -> z < n) zs) + , test "true" <| \() -> Expect.equal (True) (all (\x -> x <= n) xs) + ] + , describe "any" + [ test "false" <| \() -> Expect.equal (False) (any (\x -> x > n) xs) + , test "true" <| \() -> Expect.equal (True) (any (\z -> z >= n) zs) + ] + , describe "sort" + [ test "sorted" <| \() -> Expect.equal (xs) (sort xs) + , test "unsorted" <| \() -> Expect.equal (xsOpp) (sort xsNeg) + ] + , describe "sortBy" + [ test "sorted" <| \() -> Expect.equal (xsNeg) (sortBy negate xsNeg) + , test "unsorted" <| \() -> Expect.equal (xsNeg) (sortBy negate xsOpp) + ] + , describe "sortWith" + [ test "sorted" <| \() -> Expect.equal (xsNeg) (sortWith (flip compare) xsNeg) + , test "unsorted" <| \() -> Expect.equal (xsNeg) (sortWith (flip compare) xsOpp) + ] + , test "scanl" <| \() -> Expect.equal (0 :: map sumSeq xs) (scanl (+) 0 xs) + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Maybe.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Maybe.elm new file mode 100644 index 0000000..dfa8e5e --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Maybe.elm @@ -0,0 +1,169 @@ +module Test.Maybe exposing (tests) + +import Basics exposing (..) +import Maybe exposing (..) +import Test exposing (..) +import Expect + +tests : Test +tests = + describe "Maybe Tests" + + [ describe "Common Helpers Tests" + + [ describe "withDefault Tests" + [ test "no default used" <| + \() -> Expect.equal 0 (Maybe.withDefault 5 (Just 0)) + , test "default used" <| + \() -> Expect.equal 5 (Maybe.withDefault 5 (Nothing)) + ] + + , describe "map Tests" + ( let f = (\n -> n + 1) in + [ test "on Just" <| + \() -> + Expect.equal + (Just 1) + (Maybe.map f (Just 0)) + , test "on Nothing" <| + \() -> + Expect.equal + Nothing + (Maybe.map f Nothing) + ] + ) + + , describe "map2 Tests" + ( let f = (+) in + [ test "on (Just, Just)" <| + \() -> + Expect.equal + (Just 1) + (Maybe.map2 f (Just 0) (Just 1)) + , test "on (Just, Nothing)" <| + \() -> + Expect.equal + Nothing + (Maybe.map2 f (Just 0) Nothing) + , test "on (Nothing, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map2 f Nothing (Just 0)) + ] + ) + + , describe "map3 Tests" + ( let f = (\a b c -> a + b + c) in + [ test "on (Just, Just, Just)" <| + \() -> + Expect.equal + (Just 3) + (Maybe.map3 f (Just 1) (Just 1) (Just 1)) + , test "on (Just, Just, Nothing)" <| + \() -> + Expect.equal + Nothing + (Maybe.map3 f (Just 1) (Just 1) Nothing) + , test "on (Just, Nothing, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map3 f (Just 1) Nothing (Just 1)) + , test "on (Nothing, Just, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map3 f Nothing (Just 1) (Just 1)) + ] + ) + + , describe "map4 Tests" + ( let f = (\a b c d -> a + b + c + d) in + [ test "on (Just, Just, Just, Just)" <| + \() -> + Expect.equal + (Just 4) + (Maybe.map4 f (Just 1) (Just 1) (Just 1) (Just 1)) + , test "on (Just, Just, Just, Nothing)" <| + \() -> + Expect.equal + Nothing + (Maybe.map4 f (Just 1) (Just 1) (Just 1) Nothing) + , test "on (Just, Just, Nothing, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map4 f (Just 1) (Just 1) Nothing (Just 1)) + , test "on (Just, Nothing, Just, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map4 f (Just 1) Nothing (Just 1) (Just 1)) + , test "on (Nothing, Just, Just, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map4 f Nothing (Just 1) (Just 1) (Just 1)) + ] + ) + + , describe "map5 Tests" + ( let f = (\a b c d e -> a + b + c + d + e) in + [ test "on (Just, Just, Just, Just, Just)" <| + \() -> + Expect.equal + (Just 5) + (Maybe.map5 f (Just 1) (Just 1) (Just 1) (Just 1) (Just 1)) + , test "on (Just, Just, Just, Just, Nothing)" <| + \() -> + Expect.equal + Nothing + (Maybe.map5 f (Just 1) (Just 1) (Just 1) (Just 1) Nothing) + , test "on (Just, Just, Just, Nothing, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map5 f (Just 1) (Just 1) (Just 1) Nothing (Just 1)) + , test "on (Just, Just, Nothing, Just, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map5 f (Just 1) (Just 1) Nothing (Just 1) (Just 1)) + , test "on (Just, Nothing, Just, Just, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map5 f (Just 1) Nothing (Just 1) (Just 1) (Just 1)) + , test "on (Nothing, Just, Just, Just, Just)" <| + \() -> + Expect.equal + Nothing + (Maybe.map5 f Nothing (Just 1) (Just 1) (Just 1) (Just 1)) + ] + ) + + ] + + , describe "Chaining Maybes Tests" + + [ describe "andThen Tests" + [ test "succeeding chain" <| + \() -> + Expect.equal + (Just 1) + (Maybe.andThen (\a -> Just a) (Just 1)) + , test "failing chain (original Maybe failed)" <| + \() -> + Expect.equal + Nothing + (Maybe.andThen (\a -> Just a) Nothing) + , test "failing chain (chained function failed)" <| + \() -> + Expect.equal + Nothing + (Maybe.andThen (\a -> Nothing) (Just 1)) + ] + ] + + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Regex.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Regex.elm new file mode 100644 index 0000000..478d44b --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Regex.elm @@ -0,0 +1,57 @@ +module Test.Regex exposing (tests) + +import Basics exposing (..) +import Regex exposing (..) +import Test exposing (..) +import Expect + + +tests : Test +tests = + let + simpleTests = + describe "Simple Stuff" + [ test "split All" <| \() -> Expect.equal [ "a", "b" ] (split All (regex ",") "a,b") + , test "split" <| \() -> Expect.equal [ "a", "b,c" ] (split (AtMost 1) (regex ",") "a,b,c") + , test "split idempotent" <| + \() -> + let + findComma = + regex "," + in + Expect.equal + (split (AtMost 1) findComma "a,b,c,d,e") + (split (AtMost 1) findComma "a,b,c,d,e") + , test "find All" <| + \() -> + Expect.equal + ([ Match "a" [] 0 1, Match "b" [] 1 2 ]) + (find All (regex ".") "ab") + , test "find All" <| + \() -> + Expect.equal + ([ Match "" [] 0 1 ]) + (find All (regex ".*") "") + , test "replace AtMost 0" <| + \() -> + Expect.equal "The quick brown fox" + (replace (AtMost 0) (regex "[aeiou]") (\_ -> "") "The quick brown fox") + , test "replace AtMost 1" <| + \() -> + Expect.equal "Th quick brown fox" + (replace (AtMost 1) (regex "[aeiou]") (\_ -> "") "The quick brown fox") + , test "replace AtMost 2" <| + \() -> + Expect.equal "Th qick brown fox" + (replace (AtMost 2) (regex "[aeiou]") (\_ -> "") "The quick brown fox") + , test "replace All" <| + \() -> + Expect.equal "Th qck brwn fx" + (replace All (regex "[aeiou]") (\_ -> "") "The quick brown fox") + , test "replace using index" <| + \() -> + Expect.equal "a1b3c" + (replace All (regex ",") (\match -> toString match.index) "a,b,c") + ] + in + describe "Regex" [ simpleTests ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Result.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Result.elm new file mode 100644 index 0000000..6679e7e --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Result.elm @@ -0,0 +1,70 @@ +module Test.Result exposing (tests) + +import Basics exposing (..) +import Result +import Result exposing (Result(..)) +import String +import Test exposing (..) +import Expect + + +isEven n = + if n % 2 == 0 then + Ok n + else + Err "number is odd" + + +add3 a b c = + a + b + c + + +add4 a b c d = + a + b + c + d + + +add5 a b c d e = + a + b + c + d + e + + +tests : Test +tests = + let + mapTests = + describe "map Tests" + [ test "map Ok" <| \() -> Expect.equal (Ok 3) (Result.map ((+) 1) (Ok 2)) + , test "map Err" <| \() -> Expect.equal (Err "error") (Result.map ((+) 1) (Err "error")) + ] + + mapNTests = + describe "mapN Tests" + [ test "map2 Ok" <| \() -> Expect.equal (Ok 3) (Result.map2 (+) (Ok 1) (Ok 2)) + , test "map2 Err" <| \() -> Expect.equal (Err "x") (Result.map2 (+) (Ok 1) (Err "x")) + , test "map3 Ok" <| \() -> Expect.equal (Ok 6) (Result.map3 add3 (Ok 1) (Ok 2) (Ok 3)) + , test "map3 Err" <| \() -> Expect.equal (Err "x") (Result.map3 add3 (Ok 1) (Ok 2) (Err "x")) + , test "map4 Ok" <| \() -> Expect.equal (Ok 10) (Result.map4 add4 (Ok 1) (Ok 2) (Ok 3) (Ok 4)) + , test "map4 Err" <| \() -> Expect.equal (Err "x") (Result.map4 add4 (Ok 1) (Ok 2) (Ok 3) (Err "x")) + , test "map5 Ok" <| \() -> Expect.equal (Ok 15) (Result.map5 add5 (Ok 1) (Ok 2) (Ok 3) (Ok 4) (Ok 5)) + , test "map5 Err" <| \() -> Expect.equal (Err "x") (Result.map5 add5 (Ok 1) (Ok 2) (Ok 3) (Ok 4) (Err "x")) + ] + + andThenTests = + describe "andThen Tests" + [ test "andThen Ok" <| \() -> Expect.equal (Ok 42) ((String.toInt "42") |> Result.andThen isEven) + , test "andThen first Err" <| + \() -> + Expect.equal + (Err "could not convert string '4.2' to an Int") + (String.toInt "4.2" |> Result.andThen isEven) + , test "andThen second Err" <| + \() -> + Expect.equal + (Err "number is odd") + (String.toInt "41" |> Result.andThen isEven) + ] + in + describe "Result Tests" + [ mapTests + , mapNTests + , andThenTests + ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Set.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Set.elm new file mode 100644 index 0000000..e98caaa --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/Set.elm @@ -0,0 +1,52 @@ +module Test.Set exposing (tests) + +import Basics exposing (..) +import Set +import Set exposing (Set) +import List +import Test exposing (..) +import Expect + + +set : Set Int +set = + Set.fromList <| List.range 1 100 + + +setPart1 : Set Int +setPart1 = + Set.fromList <| List.range 1 50 + + +setPart2 : Set Int +setPart2 = + Set.fromList <| List.range 51 100 + + +pred : Int -> Bool +pred x = + x <= 50 + + +tests : Test +tests = + let + queryTests = + describe "query Tests" + [ test "size of set of 100 elements" <| + \() -> Expect.equal 100 (Set.size set) + ] + + filterTests = + describe "filter Tests" + [ test "Simple filter" <| + \() -> Expect.equal setPart1 <| Set.filter pred set + ] + + partitionTests = + describe "partition Tests" + [ test "Simple partition" <| + \() -> Expect.equal ( setPart1, setPart2 ) <| Set.partition pred set + ] + in + describe "Set Tests" [ queryTests, partitionTests, filterTests ] diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/String.elm b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/String.elm new file mode 100644 index 0000000..f682775 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/Test/String.elm @@ -0,0 +1,110 @@ +module Test.String exposing (tests) + +import Basics exposing (..) +import List +import Maybe exposing (..) +import Result exposing (Result(..)) +import String +import Test exposing (..) +import Expect + + +tests : Test +tests = + let + simpleTests = + describe "Simple Stuff" + [ test "is empty" <| \() -> Expect.equal True (String.isEmpty "") + , test "is not empty" <| \() -> Expect.equal True (not (String.isEmpty ("the world"))) + , test "length" <| \() -> Expect.equal 11 (String.length "innumerable") + , test "endsWith" <| \() -> Expect.equal True <| String.endsWith "ship" "spaceship" + , test "reverse" <| \() -> Expect.equal "desserts" (String.reverse "stressed") + , test "repeat" <| \() -> Expect.equal "hahaha" (String.repeat 3 "ha") + , test "indexes" <| \() -> Expect.equal [ 0, 2 ] (String.indexes "a" "aha") + , test "empty indexes" <| \() -> Expect.equal [] (String.indexes "" "aha") + ] + + combiningTests = + describe "Combining Strings" + [ test "uncons non-empty" <| \() -> Expect.equal (Just ( 'a', "bc" )) (String.uncons "abc") + , test "uncons empty" <| \() -> Expect.equal Nothing (String.uncons "") + , test "append 1" <| \() -> Expect.equal "butterfly" (String.append "butter" "fly") + , test "append 2" <| \() -> Expect.equal "butter" (String.append "butter" "") + , test "append 3" <| \() -> Expect.equal "butter" (String.append "" "butter") + , test "concat" <| \() -> Expect.equal "nevertheless" (String.concat [ "never", "the", "less" ]) + , test "split commas" <| \() -> Expect.equal [ "cat", "dog", "cow" ] (String.split "," "cat,dog,cow") + , test "split slashes" <| \() -> Expect.equal [ "home", "steve", "Desktop", "" ] (String.split "/" "home/steve/Desktop/") + , test "join spaces" <| \() -> Expect.equal "cat dog cow" (String.join " " [ "cat", "dog", "cow" ]) + , test "join slashes" <| \() -> Expect.equal "home/steve/Desktop" (String.join "/" [ "home", "steve", "Desktop" ]) + , test "slice 1" <| \() -> Expect.equal "c" (String.slice 2 3 "abcd") + , test "slice 2" <| \() -> Expect.equal "abc" (String.slice 0 3 "abcd") + , test "slice 3" <| \() -> Expect.equal "abc" (String.slice 0 -1 "abcd") + , test "slice 4" <| \() -> Expect.equal "cd" (String.slice -2 4 "abcd") + ] + + intTests = + describe "String.toInt" + [ goodInt "1234" 1234 + , goodInt "+1234" 1234 + , goodInt "-1234" -1234 + , badInt "1.34" + , badInt "1e31" + , badInt "123a" + , goodInt "0123" 123 + , goodInt "0x001A" 26 + , goodInt "0x001a" 26 + , goodInt "0xBEEF" 48879 + , badInt "0x12.0" + , badInt "0x12an" + ] + + floatTests = + describe "String.toFloat" + [ goodFloat "123" 123 + , goodFloat "3.14" 3.14 + , goodFloat "+3.14" 3.14 + , goodFloat "-3.14" -3.14 + , goodFloat "0.12" 0.12 + , goodFloat ".12" 0.12 + , goodFloat "1e-42" 1e-42 + , goodFloat "6.022e23" 6.022e23 + , goodFloat "6.022E23" 6.022e23 + , goodFloat "6.022e+23" 6.022e23 + , badFloat "6.022e" + , badFloat "6.022n" + , badFloat "6.022.31" + ] + in + describe "String" [ simpleTests, combiningTests, intTests, floatTests ] + + + +-- NUMBER HELPERS + + +goodInt : String -> Int -> Test +goodInt str int = + test str <| \_ -> + Expect.equal (Ok int) (String.toInt str) + + +badInt : String -> Test +badInt str = + test str <| \_ -> + Expect.equal + (Err ("could not convert string '" ++ str ++ "' to an Int")) + (String.toInt str) + + +goodFloat : String -> Float -> Test +goodFloat str float = + test str <| \_ -> + Expect.equal (Ok float) (String.toFloat str) + + +badFloat : String -> Test +badFloat str = + test str <| \_ -> + Expect.equal + (Err ("could not convert string '" ++ str ++ "' to a Float")) + (String.toFloat str) diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/elm-package.json b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/elm-package.json new file mode 100644 index 0000000..e27cfa4 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/elm-package.json @@ -0,0 +1,17 @@ +{ + "version": "1.1.1", + "summary": "Tests for Elm's standard libraries", + "repository": "http://github.com/elm-lang/core.git", + "license": "BSD3", + "source-directories": [ + ".", + "../src" + ], + "exposed-modules": [ ], + "native-modules": true, + "dependencies": { + "elm-community/elm-test": "3.1.0 <= v < 4.0.0", + "rtfeldman/node-test-runner": "3.0.0 <= v < 4.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/run-tests.sh b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/run-tests.sh new file mode 100644 index 0000000..9e2f9bc --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/core/5.1.1/tests/run-tests.sh @@ -0,0 +1,19 @@ +#!/bin/sh + +cd "$(dirname "$0")" +set -e + + +elm-package install -y + +VERSION_DIR="$(ls elm-stuff/packages/elm-lang/core/)" +CORE_PACKAGE_DIR="elm-stuff/packages/elm-lang/core/$VERSION_DIR" +CORE_GIT_DIR="$(dirname $PWD)" + +echo "Linking $CORE_PACKAGE_DIR to $CORE_GIT_DIR" +rm -rf $CORE_PACKAGE_DIR +ln -s $CORE_GIT_DIR $CORE_PACKAGE_DIR + +elm-make --yes --output test.js Main.elm + +elm-test Main.elm diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/.gitignore b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/.gitignore new file mode 100644 index 0000000..e185314 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/.gitignore @@ -0,0 +1 @@ +elm-stuff \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/LICENSE b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/LICENSE new file mode 100644 index 0000000..24bdd38 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2016, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/README.md b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/README.md new file mode 100644 index 0000000..7d542d8 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/README.md @@ -0,0 +1,7 @@ +# Mess with the DOM + +Sometimes you want to manually set the **focus** to a particular input field. + +Other times you want to be able to control how things **scroll**. + +This library makes it possible to do these kinds of operations as tasks. diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/assets/boundaries.acorn b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/assets/boundaries.acorn new file mode 100644 index 0000000..e7b58a0 Binary files /dev/null and b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/assets/boundaries.acorn differ diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/assets/boundaries.png b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/assets/boundaries.png new file mode 100644 index 0000000..c0e282d Binary files /dev/null and b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/assets/boundaries.png differ diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/elm-package.json b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/elm-package.json new file mode 100644 index 0000000..0b054d3 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/elm-package.json @@ -0,0 +1,19 @@ +{ + "version": "1.1.1", + "summary": "DOM helpers for managing focus and scrolling.", + "repository": "http://github.com/elm-lang/dom.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Dom", + "Dom.Scroll", + "Dom.LowLevel" + ], + "native-modules": true, + "dependencies": { + "elm-lang/core": "4.0.0 <= v < 6.0.0" + }, + "elm-version": "0.17.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom.elm b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom.elm new file mode 100644 index 0000000..df2d005 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom.elm @@ -0,0 +1,69 @@ +module Dom exposing + ( focus, blur, Id + , Error(..) + ) + +{-| + +# Focus +@docs focus, blur, Id + +# Errors +@docs Error + +-} + +import Native.Dom +import Task exposing (Task) + + + +-- ERRORS + + +{-| All the functions here look up DOM nodes by ID. If you ask for an ID that +is not currently attached to the DOM, you will get this error! +-} +type Error = NotFound String + + + +-- FOCUS + + +{-| A unique identifier for a particular DOM node. When you create +`
` you would refer to it with the `Id` `"my-thing"`. +-} +type alias Id = + String + + +{-| On a website, there can only be one thing in focus at a time. A text field, +a check box, etc. This function tells the Elm runtime to move the focus to a +particular DOM node. + + Dom.focus "my-thing" + +This is roughly the same as saying `document.getElementById(id).focus()`. + +NOTE: setting focus can silently fail if the element is invisible. This could be captured as an error by checking to see +if document.activeElement actually got updated to the element we selected. https://jsbin.com/xeletez/edit?html,js,output +-} +focus : Id -> Task Error () +focus = + Native.Dom.focus + + +{-| On a website, there can only be one thing in focus at a time. A text field, +a check box, etc. Sometimes you want that thing to no longer be in focus. This +is called “blur” for reasons that are unclear to almost everybody. +So this function tells a particular DOM node to lose focus. + + Dom.blur "my-thing" + +This is roughly the same as saying `document.getElementById(id).blur()`. +-} +blur : Id -> Task Error () +blur = + Native.Dom.blur + diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/LowLevel.elm b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/LowLevel.elm new file mode 100644 index 0000000..47cd6bd --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/LowLevel.elm @@ -0,0 +1,37 @@ +module Dom.LowLevel exposing + ( onDocument + , onWindow + ) + +{-| This is not for general use. It backs libraries like `elm-lang/mouse` and +`elm-lang/window` which should cover your needs in most cases. In the rare +case that those packages do not seem to cover your scenario, first bring it up +with the community. Ask around and learn stuff first! Only get into these +functions after that. + +# Global Event Listeners +@docs onDocument, onWindow + +-} + +import Json.Decode as Json +import Native.Dom +import Task exposing (Task) + + +{-| Add an event handler on the `document`. The resulting task will never end, +and when you kill the process it is on, it will detach the relevant JavaScript +event listener. +-} +onDocument : String -> Json.Decoder msg -> (msg -> Task Never ()) -> Task Never Never +onDocument = + Native.Dom.onDocument + + +{-| Add an event handler on `window`. The resulting task will never end, and +when you kill the process it is on, it will detach the relevant JavaScript +event listener. +-} +onWindow : String -> Json.Decoder msg -> (msg -> Task Never ()) -> Task Never Never +onWindow = + Native.Dom.onWindow diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/Scroll.elm b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/Scroll.elm new file mode 100644 index 0000000..efb760a --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/Scroll.elm @@ -0,0 +1,119 @@ +module Dom.Scroll exposing + ( toTop, toBottom, y, toY + , toLeft, toRight, x, toX + ) + +{-| When you set `overflow-y: scroll` on an element, a scroll bar will appear +when the content overflows the available space. When that happens, you may want +to modify the scroll position yourself. For example, maybe you have a chat room +that autoscrolls as new messages come in. This module provides functions like +`Dom.Scroll.toBottom` that let you do that kind of thing. + +# Vertical +@docs toTop, toBottom, y, toY + +# Horizontal +@docs toLeft, toRight, x, toX + +-} + +import Dom exposing (Error, Id) +import Dom.Size as Size +import Native.Dom +import Task exposing (Task) + + + +-- VERTICAL + + +{-| Find the node with the given `Id` and scroll it to the top. + +So `toTop id` is the same as `toY id 0`. +-} +toTop : Id -> Task Error () +toTop id = + toY id 0 + + +{-| Find the node with the given `Id` and scroll it to the bottom. +-} +toBottom : Id -> Task Error () +toBottom = + Native.Dom.toBottom + + +{-| How much this element is scrolled vertically. + +Say you have a node that does not fit in its container. A scroll bar shows up. +Initially you are at the top, which means `y` is `0`. If you scroll down 300 +pixels, `y` will be `300`. + +This is roughly the same as saying [`document.getElementById(id).scrollTop`][docs]. + +[docs]: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollTop +-} +y : Id -> Task Error Float +y = + Native.Dom.getScrollTop + + +{-| Set the vertical scroll to whatever offset you want. + +Imagine you have a chat room and you want to control how it scrolls. Say the +full chat is 400 pixels long, but it is in a box that limits the visible height +to 100 pixels. + + - If we say `toY "chat" 0` it will scroll to the very top. + - If we say `toY "chat" 300` it will be at the bottom. + +If we provide values outside that range, they just get clamped, so +`toY "chat" 900` is also scrolled to the bottom. +-} +toY : Id -> Float -> Task Error () +toY = + Native.Dom.setScrollTop + + + +-- HORIZONTAL + + +{-| Find the node with the given `Id` and scroll it to the far left. + +So `toLeft id` is the same as `toX id 0`. +-} +toLeft : Id -> Task Error () +toLeft id = + toX id 0 + + +{-| Find the node with the given `Id` and scroll it to the far right. +-} +toRight : Id -> Task Error () +toRight = + Native.Dom.toRight + + +{-| How much this element is scrolled horizontally. + +Say you have a node that does not fit in its container. A scroll bar shows up. +Initially you are at the far left, which means `x` is `0`. If you scroll right +300 pixels, `x` will be `300`. + +This is roughly the same as saying [`document.getElementById(id).scrollLeft`][docs]. + +[docs]: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollLeft +-} +x : Id -> Task Error Float +x = + Native.Dom.getScrollLeft + + +{-| Set the horizontal scroll to whatever offset you want. + +It works just like `toY`, so check out those docs for a more complete example. +-} +toX : Id -> Float -> Task Error () +toX = + Native.Dom.setScrollLeft diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/Size.elm b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/Size.elm new file mode 100644 index 0000000..49d49cb --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Dom/Size.elm @@ -0,0 +1,59 @@ +module Dom.Size exposing ( height, width, Boundary ) + +{-| Figuring out the size of a node is actually pretty tricky. Nodes have +padding, borders, and margins. You can also scroll the content in a node in +many situations. Here it is as a picture: + + + +This module lets you choose one of these boundaries and then measure its size. + +# Sizes +@docs width, height, Boundary + +-} + +import Dom exposing (Error, Id) +import Native.Dom +import Task exposing (Task) + + +{-| Get the height of a node, measured along a certain boundary. + +If the node has the `hidden` attribute or the `display: none` style, this +will be zero. +-} +height : Boundary -> Id -> Task Error Float +height = + Native.Dom.height + + +{-| Get the width of a node, measured along a certain boundary. + +If the node has the `hidden` attribute or the `display: none` style, this +will be zero. +-} +width : Boundary -> Id -> Task Error Float +width = + Native.Dom.width + + +{-| Check out [this diagram][diagram] to understand what all of these +boundaries refer to. + +If you happen to know the JavaScript equivalents by heart, maybe this will help you: + + - `scrollHeight` is the same as `height Content` + - `clientHeight` is the same as `height VisibleContent` + - `offsetHeight` is the same as `height VisibleContentWithBorders` + - `getBoundingClientRect().height` is the same as `height VisibleContentWithBordersAndMargins` + +But again, look at [the diagram][diagram]. It makes this easier! + +[diagram]: +-} +type Boundary + = Content + | VisibleContent + | VisibleContentWithBorders + | VisibleContentWithBordersAndMargins \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Native/Dom.js b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Native/Dom.js new file mode 100644 index 0000000..2fee3f0 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/dom/1.1.1/src/Native/Dom.js @@ -0,0 +1,182 @@ +var _elm_lang$dom$Native_Dom = function() { + +var fakeNode = { + addEventListener: function() {}, + removeEventListener: function() {} +}; + +var onDocument = on(typeof document !== 'undefined' ? document : fakeNode); +var onWindow = on(typeof window !== 'undefined' ? window : fakeNode); + +function on(node) +{ + return function(eventName, decoder, toTask) + { + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) { + + function performTask(event) + { + var result = A2(_elm_lang$core$Json_Decode$decodeValue, decoder, event); + if (result.ctor === 'Ok') + { + _elm_lang$core$Native_Scheduler.rawSpawn(toTask(result._0)); + } + } + + node.addEventListener(eventName, performTask); + + return function() + { + node.removeEventListener(eventName, performTask); + }; + }); + }; +} + +var rAF = typeof requestAnimationFrame !== 'undefined' + ? requestAnimationFrame + : function(callback) { callback(); }; + +function withNode(id, doStuff) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + rAF(function() + { + var node = document.getElementById(id); + if (node === null) + { + callback(_elm_lang$core$Native_Scheduler.fail({ ctor: 'NotFound', _0: id })); + return; + } + callback(_elm_lang$core$Native_Scheduler.succeed(doStuff(node))); + }); + }); +} + + +// FOCUS + +function focus(id) +{ + return withNode(id, function(node) { + node.focus(); + return _elm_lang$core$Native_Utils.Tuple0; + }); +} + +function blur(id) +{ + return withNode(id, function(node) { + node.blur(); + return _elm_lang$core$Native_Utils.Tuple0; + }); +} + + +// SCROLLING + +function getScrollTop(id) +{ + return withNode(id, function(node) { + return node.scrollTop; + }); +} + +function setScrollTop(id, desiredScrollTop) +{ + return withNode(id, function(node) { + node.scrollTop = desiredScrollTop; + return _elm_lang$core$Native_Utils.Tuple0; + }); +} + +function toBottom(id) +{ + return withNode(id, function(node) { + node.scrollTop = node.scrollHeight; + return _elm_lang$core$Native_Utils.Tuple0; + }); +} + +function getScrollLeft(id) +{ + return withNode(id, function(node) { + return node.scrollLeft; + }); +} + +function setScrollLeft(id, desiredScrollLeft) +{ + return withNode(id, function(node) { + node.scrollLeft = desiredScrollLeft; + return _elm_lang$core$Native_Utils.Tuple0; + }); +} + +function toRight(id) +{ + return withNode(id, function(node) { + node.scrollLeft = node.scrollWidth; + return _elm_lang$core$Native_Utils.Tuple0; + }); +} + + +// SIZE + +function width(options, id) +{ + return withNode(id, function(node) { + switch (options.ctor) + { + case 'Content': + return node.scrollWidth; + case 'VisibleContent': + return node.clientWidth; + case 'VisibleContentWithBorders': + return node.offsetWidth; + case 'VisibleContentWithBordersAndMargins': + var rect = node.getBoundingClientRect(); + return rect.right - rect.left; + } + }); +} + +function height(options, id) +{ + return withNode(id, function(node) { + switch (options.ctor) + { + case 'Content': + return node.scrollHeight; + case 'VisibleContent': + return node.clientHeight; + case 'VisibleContentWithBorders': + return node.offsetHeight; + case 'VisibleContentWithBordersAndMargins': + var rect = node.getBoundingClientRect(); + return rect.bottom - rect.top; + } + }); +} + +return { + onDocument: F3(onDocument), + onWindow: F3(onWindow), + + focus: focus, + blur: blur, + + getScrollTop: getScrollTop, + setScrollTop: F2(setScrollTop), + getScrollLeft: getScrollLeft, + setScrollLeft: F2(setScrollLeft), + toBottom: toBottom, + toRight: toRight, + + height: F2(height), + width: F2(width) +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/.gitignore b/part7/elm-stuff/packages/elm-lang/html/2.0.0/.gitignore new file mode 100644 index 0000000..e185314 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/.gitignore @@ -0,0 +1 @@ +elm-stuff \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/LICENSE b/part7/elm-stuff/packages/elm-lang/html/2.0.0/LICENSE new file mode 100644 index 0000000..e0419a4 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2014-present, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/README.md b/part7/elm-stuff/packages/elm-lang/html/2.0.0/README.md new file mode 100644 index 0000000..baed9a7 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/README.md @@ -0,0 +1,5 @@ +# HTML for Elm + +The core HTML library for Elm. It is backed by [elm-lang/virtual-dom](http://package.elm-lang.org/packages/elm-lang/virtual-dom/latest/) which handles the dirty details of rendering things quickly. + +The best way to learn how to use this library is to read [guide.elm-lang.org](http://guide.elm-lang.org/), particularly the section on [The Elm Architecture](http://guide.elm-lang.org/architecture/index.html). diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/elm-package.json b/part7/elm-stuff/packages/elm-lang/html/2.0.0/elm-package.json new file mode 100644 index 0000000..952aed5 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/elm-package.json @@ -0,0 +1,21 @@ +{ + "version": "2.0.0", + "summary": "Fast HTML, rendered with virtual DOM diffing", + "repository": "https://github.com/elm-lang/html.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Html", + "Html.Attributes", + "Html.Events", + "Html.Keyed", + "Html.Lazy" + ], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-lang/virtual-dom": "2.0.0 <= v < 3.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/properties-vs-attributes.md b/part7/elm-stuff/packages/elm-lang/html/2.0.0/properties-vs-attributes.md new file mode 100644 index 0000000..41f7565 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/properties-vs-attributes.md @@ -0,0 +1,15 @@ +# Properties vs. Attributes + +When you are working with HTML, you can have DOM nodes like `
`. And you can add *attributes* to those DOM nodes, like ``. + +When you are creating DOM nodes in JavaScript, there are two ways to add attributes like this: + + 1. **Attributes** — You can use the `setAttribute` function. So adding a class attribute would look like this: `domNode.setAttribute('class', 'user-info')`. + + 2. **Properties** — JavaScript often exposes an alternate way to set these attributes. Another way to add a class attribute would be like this: `domNode.className = 'user-info'` + +Notice that the attribute is called `class` but the property is called `className`. This is because `class` is a reserved word in JavaScript. Point is, **attributes and properties do not always match up.** + +It is actually a bit crazier than that though. **Sometimes an attribute exists, but there is no corresponding property.** For example, as of this writing the `webkit-playsinline` can be added with `setAttribute`, but there is no corresponding property. And with SVG, you cannot use properties at all, you must to use `setAttributeNS` for everything. + +With all the corner cases here, it makes sense to have access to both approaches. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html.elm b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html.elm new file mode 100644 index 0000000..b872a3b --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html.elm @@ -0,0 +1,923 @@ +module Html exposing + ( Html, Attribute + , text, node, map + , beginnerProgram, program, programWithFlags + , h1, h2, h3, h4, h5, h6 + , div, p, hr, pre, blockquote + , span, a, code, em, strong, i, b, u, sub, sup, br + , ol, ul, li, dl, dt, dd + , img, iframe, canvas, math + , form, input, textarea, button, select, option + , section, nav, article, aside, header, footer, address, main_, body + , figure, figcaption + , table, caption, colgroup, col, tbody, thead, tfoot, tr, td, th + , fieldset, legend, label, datalist, optgroup, keygen, output, progress, meter + , audio, video, source, track + , embed, object, param + , ins, del + , small, cite, dfn, abbr, time, var, samp, kbd, s, q + , mark, ruby, rt, rp, bdi, bdo, wbr + , details, summary, menuitem, menu + ) + +{-| This file is organized roughly in order of popularity. The tags which you'd +expect to use frequently will be closer to the top. + +# Primitives +@docs Html, Attribute, text, node, map + +# Programs +@docs beginnerProgram, program, programWithFlags + +# Tags + +## Headers +@docs h1, h2, h3, h4, h5, h6 + +## Grouping Content +@docs div, p, hr, pre, blockquote + +## Text +@docs span, a, code, em, strong, i, b, u, sub, sup, br + +## Lists +@docs ol, ul, li, dl, dt, dd + +## Emdedded Content +@docs img, iframe, canvas, math + +## Inputs +@docs form, input, textarea, button, select, option + +## Sections +@docs section, nav, article, aside, header, footer, address, main_, body + +## Figures +@docs figure, figcaption + +## Tables +@docs table, caption, colgroup, col, tbody, thead, tfoot, tr, td, th + + +## Less Common Elements + +### Less Common Inputs +@docs fieldset, legend, label, datalist, optgroup, keygen, output, progress, meter + +### Audio and Video +@docs audio, video, source, track + +### Embedded Objects +@docs embed, object, param + +### Text Edits +@docs ins, del + +### Semantic Text +@docs small, cite, dfn, abbr, time, var, samp, kbd, s, q + +### Less Common Text Tags +@docs mark, ruby, rt, rp, bdi, bdo, wbr + +## Interactive Elements +@docs details, summary, menuitem, menu + +-} + +import VirtualDom + + + +-- CORE TYPES + + +{-| The core building block used to build up HTML. Here we create an `Html` +value with no attributes and one child: + + hello : Html msg + hello = + div [] [ text "Hello!" ] +-} +type alias Html msg = VirtualDom.Node msg + + +{-| Set attributes on your `Html`. Learn more in the +[`Html.Attributes`](Html-Attributes) module. +-} +type alias Attribute msg = VirtualDom.Property msg + + + +-- PRIMITIVES + + +{-| General way to create HTML nodes. It is used to define all of the helper +functions in this library. + + div : List (Attribute msg) -> List (Html msg) -> Html msg + div attributes children = + node "div" attributes children + +You can use this to create custom nodes if you need to create something that +is not covered by the helper functions in this library. +-} +node : String -> List (Attribute msg) -> List (Html msg) -> Html msg +node = + VirtualDom.node + + +{-| Just put plain text in the DOM. It will escape the string so that it appears +exactly as you specify. + + text "Hello World!" +-} +text : String -> Html msg +text = + VirtualDom.text + + + +-- NESTING VIEWS + + +{-| Transform the messages produced by some `Html`. In the following example, +we have `viewButton` that produces `()` messages, and we transform those values +into `Msg` values in `view`. + + type Msg = Left | Right + + view : model -> Html Msg + view model = + div [] + [ map (\_ -> Left) (viewButton "Left") + , map (\_ -> Right) (viewButton "Right") + ] + + viewButton : String -> Html () + viewButton name = + button [ onClick () ] [ text name ] + +This should not come in handy too often. Definitely read [this][reuse] before +deciding if this is what you want. + +[reuse]: https://guide.elm-lang.org/reuse/ +-} +map : (a -> msg) -> Html a -> Html msg +map = + VirtualDom.map + + + +-- CREATING PROGRAMS + + +{-| Create a [`Program`][program] that describes how your whole app works. + +Read about [The Elm Architecture][tea] to learn how to use this. Just do it. +The additional context is very worthwhile! (Honestly, it is best to just read +that guide from front to back instead of muddling around and reading it +piecemeal.) + +[program]: http://package.elm-lang.org/packages/elm-lang/core/latest/Platform#Program +[tea]: https://guide.elm-lang.org/architecture/ +-} +beginnerProgram + : { model : model + , view : model -> Html msg + , update : msg -> model -> model + } + -> Program Never model msg +beginnerProgram {model, view, update} = + program + { init = model ! [] + , update = \msg model -> update msg model ! [] + , view = view + , subscriptions = \_ -> Sub.none + } + + +{-| Create a [`Program`][program] that describes how your whole app works. + +Read about [The Elm Architecture][tea] to learn how to use this. Just do it. +Commands and subscriptions make way more sense when you work up to them +gradually and see them in context with examples. + +[program]: http://package.elm-lang.org/packages/elm-lang/core/latest/Platform#Program +[tea]: https://guide.elm-lang.org/architecture/ +-} +program + : { init : (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , subscriptions : model -> Sub msg + , view : model -> Html msg + } + -> Program Never model msg +program = + VirtualDom.program + + +{-| Create a [`Program`][program] that describes how your whole app works. + +It works just like `program` but you can provide “flags” from +JavaScript to configure your application. Read more about that [here][]. + +[program]: http://package.elm-lang.org/packages/elm-lang/core/latest/Platform#Program +[here]: https://guide.elm-lang.org/interop/javascript.html +-} +programWithFlags + : { init : flags -> (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , subscriptions : model -> Sub msg + , view : model -> Html msg + } + -> Program flags model msg +programWithFlags = + VirtualDom.programWithFlags + + + +-- SECTIONS + + +{-| Represents the content of an HTML document. There is only one `body` +element in a document. +-} +body : List (Attribute msg) -> List (Html msg) -> Html msg +body = + node "body" + + +{-| Defines a section in a document. +-} +section : List (Attribute msg) -> List (Html msg) -> Html msg +section = + node "section" + + +{-| Defines a section that contains only navigation links. +-} +nav : List (Attribute msg) -> List (Html msg) -> Html msg +nav = + node "nav" + + +{-| Defines self-contained content that could exist independently of the rest +of the content. +-} +article : List (Attribute msg) -> List (Html msg) -> Html msg +article = + node "article" + + +{-| Defines some content loosely related to the page content. If it is removed, +the remaining content still makes sense. +-} +aside : List (Attribute msg) -> List (Html msg) -> Html msg +aside = + node "aside" + + +{-|-} +h1 : List (Attribute msg) -> List (Html msg) -> Html msg +h1 = + node "h1" + + +{-|-} +h2 : List (Attribute msg) -> List (Html msg) -> Html msg +h2 = + node "h2" + + +{-|-} +h3 : List (Attribute msg) -> List (Html msg) -> Html msg +h3 = + node "h3" + + +{-|-} +h4 : List (Attribute msg) -> List (Html msg) -> Html msg +h4 = + node "h4" + + +{-|-} +h5 : List (Attribute msg) -> List (Html msg) -> Html msg +h5 = + node "h5" + + +{-|-} +h6 : List (Attribute msg) -> List (Html msg) -> Html msg +h6 = + node "h6" + + +{-| Defines the header of a page or section. It often contains a logo, the +title of the web site, and a navigational table of content. +-} +header : List (Attribute msg) -> List (Html msg) -> Html msg +header = + node "header" + + +{-| Defines the footer for a page or section. It often contains a copyright +notice, some links to legal information, or addresses to give feedback. +-} +footer : List (Attribute msg) -> List (Html msg) -> Html msg +footer = + node "footer" + + +{-| Defines a section containing contact information. -} +address : List (Attribute msg) -> List (Html msg) -> Html msg +address = + node "address" + + +{-| Defines the main or important content in the document. There is only one +`main` element in the document. +-} +main_ : List (Attribute msg) -> List (Html msg) -> Html msg +main_ = + node "main" + + +-- GROUPING CONTENT + +{-| Defines a portion that should be displayed as a paragraph. -} +p : List (Attribute msg) -> List (Html msg) -> Html msg +p = + node "p" + + +{-| Represents a thematic break between paragraphs of a section or article or +any longer content. +-} +hr : List (Attribute msg) -> List (Html msg) -> Html msg +hr = + node "hr" + + +{-| Indicates that its content is preformatted and that this format must be +preserved. +-} +pre : List (Attribute msg) -> List (Html msg) -> Html msg +pre = + node "pre" + + +{-| Represents a content that is quoted from another source. -} +blockquote : List (Attribute msg) -> List (Html msg) -> Html msg +blockquote = + node "blockquote" + + +{-| Defines an ordered list of items. -} +ol : List (Attribute msg) -> List (Html msg) -> Html msg +ol = + node "ol" + + +{-| Defines an unordered list of items. -} +ul : List (Attribute msg) -> List (Html msg) -> Html msg +ul = + node "ul" + + +{-| Defines a item of an enumeration list. -} +li : List (Attribute msg) -> List (Html msg) -> Html msg +li = + node "li" + + +{-| Defines a definition list, that is, a list of terms and their associated +definitions. +-} +dl : List (Attribute msg) -> List (Html msg) -> Html msg +dl = + node "dl" + + +{-| Represents a term defined by the next `dd`. -} +dt : List (Attribute msg) -> List (Html msg) -> Html msg +dt = + node "dt" + + +{-| Represents the definition of the terms immediately listed before it. -} +dd : List (Attribute msg) -> List (Html msg) -> Html msg +dd = + node "dd" + + +{-| Represents a figure illustrated as part of the document. -} +figure : List (Attribute msg) -> List (Html msg) -> Html msg +figure = + node "figure" + + +{-| Represents the legend of a figure. -} +figcaption : List (Attribute msg) -> List (Html msg) -> Html msg +figcaption = + node "figcaption" + + +{-| Represents a generic container with no special meaning. -} +div : List (Attribute msg) -> List (Html msg) -> Html msg +div = + node "div" + + +-- TEXT LEVEL SEMANTIC + +{-| Represents a hyperlink, linking to another resource. -} +a : List (Attribute msg) -> List (Html msg) -> Html msg +a = + node "a" + + +{-| Represents emphasized text, like a stress accent. -} +em : List (Attribute msg) -> List (Html msg) -> Html msg +em = + node "em" + + +{-| Represents especially important text. -} +strong : List (Attribute msg) -> List (Html msg) -> Html msg +strong = + node "strong" + + +{-| Represents a side comment, that is, text like a disclaimer or a +copyright, which is not essential to the comprehension of the document. +-} +small : List (Attribute msg) -> List (Html msg) -> Html msg +small = + node "small" + + +{-| Represents content that is no longer accurate or relevant. -} +s : List (Attribute msg) -> List (Html msg) -> Html msg +s = + node "s" + + +{-| Represents the title of a work. -} +cite : List (Attribute msg) -> List (Html msg) -> Html msg +cite = + node "cite" + + +{-| Represents an inline quotation. -} +q : List (Attribute msg) -> List (Html msg) -> Html msg +q = + node "q" + + +{-| Represents a term whose definition is contained in its nearest ancestor +content. +-} +dfn : List (Attribute msg) -> List (Html msg) -> Html msg +dfn = + node "dfn" + + +{-| Represents an abbreviation or an acronym; the expansion of the +abbreviation can be represented in the title attribute. +-} +abbr : List (Attribute msg) -> List (Html msg) -> Html msg +abbr = + node "abbr" + + +{-| Represents a date and time value; the machine-readable equivalent can be +represented in the datetime attribute. +-} +time : List (Attribute msg) -> List (Html msg) -> Html msg +time = + node "time" + + +{-| Represents computer code. -} +code : List (Attribute msg) -> List (Html msg) -> Html msg +code = + node "code" + + +{-| Represents a variable. Specific cases where it should be used include an +actual mathematical expression or programming context, an identifier +representing a constant, a symbol identifying a physical quantity, a function +parameter, or a mere placeholder in prose. +-} +var : List (Attribute msg) -> List (Html msg) -> Html msg +var = + node "var" + + +{-| Represents the output of a program or a computer. -} +samp : List (Attribute msg) -> List (Html msg) -> Html msg +samp = + node "samp" + + +{-| Represents user input, often from the keyboard, but not necessarily; it +may represent other input, like transcribed voice commands. +-} +kbd : List (Attribute msg) -> List (Html msg) -> Html msg +kbd = + node "kbd" + + +{-| Represent a subscript. -} +sub : List (Attribute msg) -> List (Html msg) -> Html msg +sub = + node "sub" + + +{-| Represent a superscript. -} +sup : List (Attribute msg) -> List (Html msg) -> Html msg +sup = + node "sup" + + +{-| Represents some text in an alternate voice or mood, or at least of +different quality, such as a taxonomic designation, a technical term, an +idiomatic phrase, a thought, or a ship name. +-} +i : List (Attribute msg) -> List (Html msg) -> Html msg +i = + node "i" + + +{-| Represents a text which to which attention is drawn for utilitarian +purposes. It doesn't convey extra importance and doesn't imply an alternate +voice. +-} +b : List (Attribute msg) -> List (Html msg) -> Html msg +b = + node "b" + + +{-| Represents a non-textual annoatation for which the conventional +presentation is underlining, such labeling the text as being misspelt or +labeling a proper name in Chinese text. +-} +u : List (Attribute msg) -> List (Html msg) -> Html msg +u = + node "u" + + +{-| Represents text highlighted for reference purposes, that is for its +relevance in another context. +-} +mark : List (Attribute msg) -> List (Html msg) -> Html msg +mark = + node "mark" + + +{-| Represents content to be marked with ruby annotations, short runs of text +presented alongside the text. This is often used in conjunction with East Asian +language where the annotations act as a guide for pronunciation, like the +Japanese furigana. +-} +ruby : List (Attribute msg) -> List (Html msg) -> Html msg +ruby = + node "ruby" + + +{-| Represents the text of a ruby annotation. -} +rt : List (Attribute msg) -> List (Html msg) -> Html msg +rt = + node "rt" + + +{-| Represents parenthesis around a ruby annotation, used to display the +annotation in an alternate way by browsers not supporting the standard display +for annotations. +-} +rp : List (Attribute msg) -> List (Html msg) -> Html msg +rp = + node "rp" + + +{-| Represents text that must be isolated from its surrounding for +bidirectional text formatting. It allows embedding a span of text with a +different, or unknown, directionality. +-} +bdi : List (Attribute msg) -> List (Html msg) -> Html msg +bdi = + node "bdi" + + +{-| Represents the directionality of its children, in order to explicitly +override the Unicode bidirectional algorithm. +-} +bdo : List (Attribute msg) -> List (Html msg) -> Html msg +bdo = + node "bdo" + + +{-| Represents text with no specific meaning. This has to be used when no other +text-semantic element conveys an adequate meaning, which, in this case, is +often brought by global attributes like `class`, `lang`, or `dir`. +-} +span : List (Attribute msg) -> List (Html msg) -> Html msg +span = + node "span" + + +{-| Represents a line break. -} +br : List (Attribute msg) -> List (Html msg) -> Html msg +br = + node "br" + + +{-| Represents a line break opportunity, that is a suggested point for +wrapping text in order to improve readability of text split on several lines. +-} +wbr : List (Attribute msg) -> List (Html msg) -> Html msg +wbr = + node "wbr" + + +-- EDITS + +{-| Defines an addition to the document. -} +ins : List (Attribute msg) -> List (Html msg) -> Html msg +ins = + node "ins" + + +{-| Defines a removal from the document. -} +del : List (Attribute msg) -> List (Html msg) -> Html msg +del = + node "del" + + +-- EMBEDDED CONTENT + +{-| Represents an image. -} +img : List (Attribute msg) -> List (Html msg) -> Html msg +img = + node "img" + + +{-| Embedded an HTML document. -} +iframe : List (Attribute msg) -> List (Html msg) -> Html msg +iframe = + node "iframe" + + +{-| Represents a integration point for an external, often non-HTML, +application or interactive content. +-} +embed : List (Attribute msg) -> List (Html msg) -> Html msg +embed = + node "embed" + + +{-| Represents an external resource, which is treated as an image, an HTML +sub-document, or an external resource to be processed by a plug-in. +-} +object : List (Attribute msg) -> List (Html msg) -> Html msg +object = + node "object" + + +{-| Defines parameters for use by plug-ins invoked by `object` elements. -} +param : List (Attribute msg) -> List (Html msg) -> Html msg +param = + node "param" + + +{-| Represents a video, the associated audio and captions, and controls. -} +video : List (Attribute msg) -> List (Html msg) -> Html msg +video = + node "video" + + +{-| Represents a sound or audio stream. -} +audio : List (Attribute msg) -> List (Html msg) -> Html msg +audio = + node "audio" + + +{-| Allows authors to specify alternative media resources for media elements +like `video` or `audio`. +-} +source : List (Attribute msg) -> List (Html msg) -> Html msg +source = + node "source" + + +{-| Allows authors to specify timed text track for media elements like `video` +or `audio`. +-} +track : List (Attribute msg) -> List (Html msg) -> Html msg +track = + node "track" + + +{-| Represents a bitmap area for graphics rendering. -} +canvas : List (Attribute msg) -> List (Html msg) -> Html msg +canvas = + node "canvas" + + +{-| Defines a mathematical formula. -} +math : List (Attribute msg) -> List (Html msg) -> Html msg +math = + node "math" + + +-- TABULAR DATA + +{-| Represents data with more than one dimension. -} +table : List (Attribute msg) -> List (Html msg) -> Html msg +table = + node "table" + + +{-| Represents the title of a table. -} +caption : List (Attribute msg) -> List (Html msg) -> Html msg +caption = + node "caption" + + +{-| Represents a set of one or more columns of a table. -} +colgroup : List (Attribute msg) -> List (Html msg) -> Html msg +colgroup = + node "colgroup" + + +{-| Represents a column of a table. -} +col : List (Attribute msg) -> List (Html msg) -> Html msg +col = + node "col" + + +{-| Represents the block of rows that describes the concrete data of a table. +-} +tbody : List (Attribute msg) -> List (Html msg) -> Html msg +tbody = + node "tbody" + + +{-| Represents the block of rows that describes the column labels of a table. +-} +thead : List (Attribute msg) -> List (Html msg) -> Html msg +thead = + node "thead" + + +{-| Represents the block of rows that describes the column summaries of a table. +-} +tfoot : List (Attribute msg) -> List (Html msg) -> Html msg +tfoot = + node "tfoot" + + +{-| Represents a row of cells in a table. -} +tr : List (Attribute msg) -> List (Html msg) -> Html msg +tr = + node "tr" + + +{-| Represents a data cell in a table. -} +td : List (Attribute msg) -> List (Html msg) -> Html msg +td = + node "td" + + +{-| Represents a header cell in a table. -} +th : List (Attribute msg) -> List (Html msg) -> Html msg +th = + node "th" + + +-- FORMS + +{-| Represents a form, consisting of controls, that can be submitted to a +server for processing. +-} +form : List (Attribute msg) -> List (Html msg) -> Html msg +form = + node "form" + + +{-| Represents a set of controls. -} +fieldset : List (Attribute msg) -> List (Html msg) -> Html msg +fieldset = + node "fieldset" + + +{-| Represents the caption for a `fieldset`. -} +legend : List (Attribute msg) -> List (Html msg) -> Html msg +legend = + node "legend" + + +{-| Represents the caption of a form control. -} +label : List (Attribute msg) -> List (Html msg) -> Html msg +label = + node "label" + + +{-| Represents a typed data field allowing the user to edit the data. -} +input : List (Attribute msg) -> List (Html msg) -> Html msg +input = + node "input" + + +{-| Represents a button. -} +button : List (Attribute msg) -> List (Html msg) -> Html msg +button = + node "button" + + +{-| Represents a control allowing selection among a set of options. -} +select : List (Attribute msg) -> List (Html msg) -> Html msg +select = + node "select" + + +{-| Represents a set of predefined options for other controls. -} +datalist : List (Attribute msg) -> List (Html msg) -> Html msg +datalist = + node "datalist" + + +{-| Represents a set of options, logically grouped. -} +optgroup : List (Attribute msg) -> List (Html msg) -> Html msg +optgroup = + node "optgroup" + + +{-| Represents an option in a `select` element or a suggestion of a `datalist` +element. +-} +option : List (Attribute msg) -> List (Html msg) -> Html msg +option = + node "option" + + +{-| Represents a multiline text edit control. -} +textarea : List (Attribute msg) -> List (Html msg) -> Html msg +textarea = + node "textarea" + + +{-| Represents a key-pair generator control. -} +keygen : List (Attribute msg) -> List (Html msg) -> Html msg +keygen = + node "keygen" + + +{-| Represents the result of a calculation. -} +output : List (Attribute msg) -> List (Html msg) -> Html msg +output = + node "output" + + +{-| Represents the completion progress of a task. -} +progress : List (Attribute msg) -> List (Html msg) -> Html msg +progress = + node "progress" + + +{-| Represents a scalar measurement (or a fractional value), within a known +range. +-} +meter : List (Attribute msg) -> List (Html msg) -> Html msg +meter = + node "meter" + + +-- INTERACTIVE ELEMENTS + +{-| Represents a widget from which the user can obtain additional information +or controls. +-} +details : List (Attribute msg) -> List (Html msg) -> Html msg +details = + node "details" + + +{-| Represents a summary, caption, or legend for a given `details`. -} +summary : List (Attribute msg) -> List (Html msg) -> Html msg +summary = + node "summary" + + +{-| Represents a command that the user can invoke. -} +menuitem : List (Attribute msg) -> List (Html msg) -> Html msg +menuitem = + node "menuitem" + + +{-| Represents a list of commands. -} +menu : List (Attribute msg) -> List (Html msg) -> Html msg +menu = + node "menu" + diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Attributes.elm b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Attributes.elm new file mode 100644 index 0000000..4cdba44 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Attributes.elm @@ -0,0 +1,1009 @@ +module Html.Attributes exposing + ( style, property, attribute, map + , class, classList, id, title, hidden + , type_, value, defaultValue, checked, placeholder, selected + , accept, acceptCharset, action, autocomplete, autofocus + , disabled, enctype, formaction, list, maxlength, minlength, method, multiple + , name, novalidate, pattern, readonly, required, size, for, form + , max, min, step + , cols, rows, wrap + , href, target, download, downloadAs, hreflang, media, ping, rel + , ismap, usemap, shape, coords + , src, height, width, alt + , autoplay, controls, loop, preload, poster, default, kind, srclang + , sandbox, seamless, srcdoc + , reversed, start + , align, colspan, rowspan, headers, scope + , async, charset, content, defer, httpEquiv, language, scoped + , accesskey, contenteditable, contextmenu, dir, draggable, dropzone + , itemprop, lang, spellcheck, tabindex + , challenge, keytype + , cite, datetime, pubdate, manifest + ) + +{-| Helper functions for HTML attributes. They are organized roughly by +category. Each attribute is labeled with the HTML tags it can be used with, so +just search the page for `video` if you want video stuff. + +If you cannot find what you are looking for, go to the [Custom +Attributes](#custom-attributes) section to learn how to create new helpers. + +# Primitives +@docs style, property, attribute, map + +# Super Common Attributes +@docs class, classList, id, title, hidden + +# Inputs +@docs type_, value, defaultValue, checked, placeholder, selected + +## Input Helpers +@docs accept, acceptCharset, action, autocomplete, autofocus, + disabled, enctype, formaction, list, maxlength, minlength, method, multiple, + name, novalidate, pattern, readonly, required, size, for, form + +## Input Ranges +@docs max, min, step + +## Input Text Areas +@docs cols, rows, wrap + + +# Links and Areas +@docs href, target, download, downloadAs, hreflang, media, ping, rel + +## Maps +@docs ismap, usemap, shape, coords + + +# Embedded Content +@docs src, height, width, alt + +## Audio and Video +@docs autoplay, controls, loop, preload, poster, default, kind, srclang + +## iframes +@docs sandbox, seamless, srcdoc + +# Ordered Lists +@docs reversed, start + +# Tables +@docs align, colspan, rowspan, headers, scope + +# Header Stuff +@docs async, charset, content, defer, httpEquiv, language, scoped + +# Less Common Global Attributes +Attributes that can be attached to any HTML tag but are less commonly used. +@docs accesskey, contenteditable, contextmenu, dir, draggable, dropzone, + itemprop, lang, spellcheck, tabindex + +# Key Generation +@docs challenge, keytype + +# Miscellaneous +@docs cite, datetime, pubdate, manifest + +-} + +import Html exposing (Attribute) +import Json.Encode as Json +import VirtualDom + + +-- This library does not include low, high, or optimum because the idea of a +-- `meter` is just too crazy. + + + +-- PRIMITIVES + + +{-| Specify a list of styles. + + myStyle : Attribute msg + myStyle = + style + [ ("backgroundColor", "red") + , ("height", "90px") + , ("width", "100%") + ] + + greeting : Html msg + greeting = + div [ myStyle ] [ text "Hello!" ] + +There is no `Html.Styles` module because best practices for working with HTML +suggest that this should primarily be specified in CSS files. So the general +recommendation is to use this function lightly. +-} +style : List (String, String) -> Attribute msg +style = + VirtualDom.style + + +{-| This function makes it easier to build a space-separated class attribute. +Each class can easily be added and removed depending on the boolean value it +is paired with. For example, maybe we want a way to view notices: + + viewNotice : Notice -> Html msg + viewNotice notice = + div + [ classList + [ ("notice", True) + , ("notice-important", notice.isImportant) + , ("notice-seen", notice.isSeen) + ] + ] + [ text notice.content ] +-} +classList : List (String, Bool) -> Attribute msg +classList list = + list + |> List.filter Tuple.second + |> List.map Tuple.first + |> String.join " " + |> class + + + +-- CUSTOM ATTRIBUTES + + +{-| Create *properties*, like saying `domNode.className = 'greeting'` in +JavaScript. + + import Json.Encode as Encode + + class : String -> Attribute msg + class name = + property "className" (Encode.string name) + +Read more about the difference between properties and attributes [here][]. + +[here]: https://github.com/elm-lang/html/blob/master/properties-vs-attributes.md +-} +property : String -> Json.Value -> Attribute msg +property = + VirtualDom.property + + +stringProperty : String -> String -> Attribute msg +stringProperty name string = + property name (Json.string string) + + +boolProperty : String -> Bool -> Attribute msg +boolProperty name bool = + property name (Json.bool bool) + + +{-| Create *attributes*, like saying `domNode.setAttribute('class', 'greeting')` +in JavaScript. + + class : String -> Attribute msg + class name = + attribute "class" name + +Read more about the difference between properties and attributes [here][]. + +[here]: https://github.com/elm-lang/html/blob/master/properties-vs-attributes.md +-} +attribute : String -> String -> Attribute msg +attribute = + VirtualDom.attribute + + +{-| Transform the messages produced by an `Attribute`. +-} +map : (a -> msg) -> Attribute a -> Attribute msg +map = + VirtualDom.mapProperty + + + +-- GLOBAL ATTRIBUTES + + +{-| Often used with CSS to style elements with common properties. -} +class : String -> Attribute msg +class name = + stringProperty "className" name + + +{-| Indicates the relevance of an element. -} +hidden : Bool -> Attribute msg +hidden bool = + boolProperty "hidden" bool + + +{-| Often used with CSS to style a specific element. The value of this +attribute must be unique. +-} +id : String -> Attribute msg +id name = + stringProperty "id" name + + +{-| Text to be displayed in a tooltip when hovering over the element. -} +title : String -> Attribute msg +title name = + stringProperty "title" name + + + +-- LESS COMMON GLOBAL ATTRIBUTES + + +{-| Defines a keyboard shortcut to activate or add focus to the element. -} +accesskey : Char -> Attribute msg +accesskey char = + stringProperty "accessKey" (String.fromChar char) + + +{-| Indicates whether the element's content is editable. -} +contenteditable : Bool -> Attribute msg +contenteditable bool = + boolProperty "contentEditable" bool + + +{-| Defines the ID of a `menu` element which will serve as the element's +context menu. +-} +contextmenu : String -> Attribute msg +contextmenu value = + attribute "contextmenu" value + + +{-| Defines the text direction. Allowed values are ltr (Left-To-Right) or rtl +(Right-To-Left). +-} +dir : String -> Attribute msg +dir value = + stringProperty "dir" value + + +{-| Defines whether the element can be dragged. -} +draggable : String -> Attribute msg +draggable value = + attribute "draggable" value + + +{-| Indicates that the element accept the dropping of content on it. -} +dropzone : String -> Attribute msg +dropzone value = + stringProperty "dropzone" value + + +{-|-} +itemprop : String -> Attribute msg +itemprop value = + attribute "itemprop" value + + +{-| Defines the language used in the element. -} +lang : String -> Attribute msg +lang value = + stringProperty "lang" value + + +{-| Indicates whether spell checking is allowed for the element. -} +spellcheck : Bool -> Attribute msg +spellcheck bool = + boolProperty "spellcheck" bool + + +{-| Overrides the browser's default tab order and follows the one specified +instead. +-} +tabindex : Int -> Attribute msg +tabindex n = + attribute "tabIndex" (toString n) + + + +-- HEADER STUFF + + +{-| Indicates that the `script` should be executed asynchronously. -} +async : Bool -> Attribute msg +async bool = + boolProperty "async" bool + + +{-| Declares the character encoding of the page or script. Common values include: + + * UTF-8 - Character encoding for Unicode + * ISO-8859-1 - Character encoding for the Latin alphabet + +For `meta` and `script`. +-} +charset : String -> Attribute msg +charset value = + attribute "charset" value + + +{-| A value associated with http-equiv or name depending on the context. For +`meta`. +-} +content : String -> Attribute msg +content value = + stringProperty "content" value + + +{-| Indicates that a `script` should be executed after the page has been +parsed. +-} +defer : Bool -> Attribute msg +defer bool = + boolProperty "defer" bool + + +{-| This attribute is an indicator that is paired with the `content` attribute, +indicating what that content means. `httpEquiv` can take on three different +values: content-type, default-style, or refresh. For `meta`. +-} +httpEquiv : String -> Attribute msg +httpEquiv value = + stringProperty "httpEquiv" value + + +{-| Defines the script language used in a `script`. -} +language : String -> Attribute msg +language value = + stringProperty "language" value + + +{-| Indicates that a `style` should only apply to its parent and all of the +parents children. +-} +scoped : Bool -> Attribute msg +scoped bool = + boolProperty "scoped" bool + + + +-- EMBEDDED CONTENT + + +{-| The URL of the embeddable content. For `audio`, `embed`, `iframe`, `img`, +`input`, `script`, `source`, `track`, and `video`. +-} +src : String -> Attribute msg +src value = + stringProperty "src" value + + +{-| Declare the height of a `canvas`, `embed`, `iframe`, `img`, `input`, +`object`, or `video`. +-} +height : Int -> Attribute msg +height value = + attribute "height" (toString value) + + +{-| Declare the width of a `canvas`, `embed`, `iframe`, `img`, `input`, +`object`, or `video`. +-} +width : Int -> Attribute msg +width value = + attribute "width" (toString value) + + +{-| Alternative text in case an image can't be displayed. Works with `img`, +`area`, and `input`. +-} +alt : String -> Attribute msg +alt value = + stringProperty "alt" value + + + +-- AUDIO and VIDEO + + +{-| The `audio` or `video` should play as soon as possible. -} +autoplay : Bool -> Attribute msg +autoplay bool = + boolProperty "autoplay" bool + + +{-| Indicates whether the browser should show playback controls for the `audio` +or `video`. +-} +controls : Bool -> Attribute msg +controls bool = + boolProperty "controls" bool + + +{-| Indicates whether the `audio` or `video` should start playing from the +start when it's finished. +-} +loop : Bool -> Attribute msg +loop bool = + boolProperty "loop" bool + + +{-| Control how much of an `audio` or `video` resource should be preloaded. -} +preload : String -> Attribute msg +preload value = + stringProperty "preload" value + + +{-| A URL indicating a poster frame to show until the user plays or seeks the +`video`. +-} +poster : String -> Attribute msg +poster value = + stringProperty "poster" value + + +{-| Indicates that the `track` should be enabled unless the user's preferences +indicate something different. +-} +default : Bool -> Attribute msg +default bool = + boolProperty "default" bool + + +{-| Specifies the kind of text `track`. -} +kind : String -> Attribute msg +kind value = + stringProperty "kind" value + + +{-- TODO: maybe reintroduce once there's a better way to disambiguate imports +{-| Specifies a user-readable title of the text `track`. -} +label : String -> Attribute msg +label value = + stringProperty "label" value +--} + +{-| A two letter language code indicating the language of the `track` text data. +-} +srclang : String -> Attribute msg +srclang value = + stringProperty "srclang" value + + + +-- IFRAMES + + +{-| A space separated list of security restrictions you'd like to lift for an +`iframe`. +-} +sandbox : String -> Attribute msg +sandbox value = + stringProperty "sandbox" value + + +{-| Make an `iframe` look like part of the containing document. -} +seamless : Bool -> Attribute msg +seamless bool = + boolProperty "seamless" bool + + +{-| An HTML document that will be displayed as the body of an `iframe`. It will +override the content of the `src` attribute if it has been specified. +-} +srcdoc : String -> Attribute msg +srcdoc value = + stringProperty "srcdoc" value + + + +-- INPUT + + +{-| Defines the type of a `button`, `input`, `embed`, `object`, `script`, +`source`, `style`, or `menu`. +-} +type_ : String -> Attribute msg +type_ value = + stringProperty "type" value + + +{-| Defines a default value which will be displayed in a `button`, `option`, +`input`, `li`, `meter`, `progress`, or `param`. +-} +value : String -> Attribute msg +value value = + stringProperty "value" value + + +{-| Defines an initial value which will be displayed in an `input` when that +`input` is added to the DOM. Unlike `value`, altering `defaultValue` after the +`input` element has been added to the DOM has no effect. +-} +defaultValue : String -> Attribute msg +defaultValue value = + stringProperty "defaultValue" value + + +{-| Indicates whether an `input` of type checkbox is checked. -} +checked : Bool -> Attribute msg +checked bool = + boolProperty "checked" bool + + +{-| Provides a hint to the user of what can be entered into an `input` or +`textarea`. +-} +placeholder : String -> Attribute msg +placeholder value = + stringProperty "placeholder" value + + +{-| Defines which `option` will be selected on page load. -} +selected : Bool -> Attribute msg +selected bool = + boolProperty "selected" bool + + + +-- INPUT HELPERS + + +{-| List of types the server accepts, typically a file type. +For `form` and `input`. +-} +accept : String -> Attribute msg +accept value = + stringProperty "accept" value + + +{-| List of supported charsets in a `form`. +-} +acceptCharset : String -> Attribute msg +acceptCharset value = + stringProperty "acceptCharset" value + + +{-| The URI of a program that processes the information submitted via a `form`. +-} +action : String -> Attribute msg +action value = + stringProperty "action" value + + +{-| Indicates whether a `form` or an `input` can have their values automatically +completed by the browser. +-} +autocomplete : Bool -> Attribute msg +autocomplete bool = + stringProperty "autocomplete" (if bool then "on" else "off") + + +{-| The element should be automatically focused after the page loaded. +For `button`, `input`, `keygen`, `select`, and `textarea`. +-} +autofocus : Bool -> Attribute msg +autofocus bool = + boolProperty "autofocus" bool + + +{-| Indicates whether the user can interact with a `button`, `fieldset`, +`input`, `keygen`, `optgroup`, `option`, `select` or `textarea`. +-} +disabled : Bool -> Attribute msg +disabled bool = + boolProperty "disabled" bool + + +{-| How `form` data should be encoded when submitted with the POST method. +Options include: application/x-www-form-urlencoded, multipart/form-data, and +text/plain. +-} +enctype : String -> Attribute msg +enctype value = + stringProperty "enctype" value + + +{-| Indicates the action of an `input` or `button`. This overrides the action +defined in the surrounding `form`. +-} +formaction : String -> Attribute msg +formaction value = + attribute "formAction" value + + +{-| Associates an `input` with a `datalist` tag. The datalist gives some +pre-defined options to suggest to the user as they interact with an input. +The value of the list attribute must match the id of a `datalist` node. +For `input`. +-} +list : String -> Attribute msg +list value = + attribute "list" value + + +{-| Defines the minimum number of characters allowed in an `input` or +`textarea`. +-} +minlength : Int -> Attribute msg +minlength n = + attribute "minLength" (toString n) + + +{-| Defines the maximum number of characters allowed in an `input` or +`textarea`. +-} +maxlength : Int -> Attribute msg +maxlength n = + attribute "maxlength" (toString n) + + +{-| Defines which HTTP method to use when submitting a `form`. Can be GET +(default) or POST. +-} +method : String -> Attribute msg +method value = + stringProperty "method" value + + +{-| Indicates whether multiple values can be entered in an `input` of type +email or file. Can also indicate that you can `select` many options. +-} +multiple : Bool -> Attribute msg +multiple bool = + boolProperty "multiple" bool + + +{-| Name of the element. For example used by the server to identify the fields +in form submits. For `button`, `form`, `fieldset`, `iframe`, `input`, `keygen`, +`object`, `output`, `select`, `textarea`, `map`, `meta`, and `param`. +-} +name : String -> Attribute msg +name value = + stringProperty "name" value + + +{-| This attribute indicates that a `form` shouldn't be validated when +submitted. +-} +novalidate : Bool -> Attribute msg +novalidate bool = + boolProperty "noValidate" bool + + +{-| Defines a regular expression which an `input`'s value will be validated +against. +-} +pattern : String -> Attribute msg +pattern value = + stringProperty "pattern" value + + +{-| Indicates whether an `input` or `textarea` can be edited. -} +readonly : Bool -> Attribute msg +readonly bool = + boolProperty "readOnly" bool + + +{-| Indicates whether this element is required to fill out or not. +For `input`, `select`, and `textarea`. +-} +required : Bool -> Attribute msg +required bool = + boolProperty "required" bool + + +{-| For `input` specifies the width of an input in characters. + +For `select` specifies the number of visible options in a drop-down list. +-} +size : Int -> Attribute msg +size n = + attribute "size" (toString n) + + +{-| The element ID described by this `label` or the element IDs that are used +for an `output`. +-} +for : String -> Attribute msg +for value = + stringProperty "htmlFor" value + + +{-| Indicates the element ID of the `form` that owns this particular `button`, +`fieldset`, `input`, `keygen`, `label`, `meter`, `object`, `output`, +`progress`, `select`, or `textarea`. +-} +form : String -> Attribute msg +form value = + attribute "form" value + + + +-- RANGES + + +{-| Indicates the maximum value allowed. When using an input of type number or +date, the max value must be a number or date. For `input`, `meter`, and `progress`. +-} +max : String -> Attribute msg +max value = + stringProperty "max" value + + +{-| Indicates the minimum value allowed. When using an input of type number or +date, the min value must be a number or date. For `input` and `meter`. +-} +min : String -> Attribute msg +min value = + stringProperty "min" value + + +{-| Add a step size to an `input`. Use `step "any"` to allow any floating-point +number to be used in the input. +-} +step : String -> Attribute msg +step n = + stringProperty "step" n + + +-------------------------- + + +{-| Defines the number of columns in a `textarea`. -} +cols : Int -> Attribute msg +cols n = + attribute "cols" (toString n) + + +{-| Defines the number of rows in a `textarea`. -} +rows : Int -> Attribute msg +rows n = + attribute "rows" (toString n) + + +{-| Indicates whether the text should be wrapped in a `textarea`. Possible +values are "hard" and "soft". +-} +wrap : String -> Attribute msg +wrap value = + stringProperty "wrap" value + + + +-- MAPS + + +{-| When an `img` is a descendent of an `a` tag, the `ismap` attribute +indicates that the click location should be added to the parent `a`'s href as +a query string. +-} +ismap : Bool -> Attribute msg +ismap value = + boolProperty "isMap" value + + +{-| Specify the hash name reference of a `map` that should be used for an `img` +or `object`. A hash name reference is a hash symbol followed by the element's name or id. +E.g. `"#planet-map"`. +-} +usemap : String -> Attribute msg +usemap value = + stringProperty "useMap" value + + +{-| Declare the shape of the clickable area in an `a` or `area`. Valid values +include: default, rect, circle, poly. This attribute can be paired with +`coords` to create more particular shapes. +-} +shape : String -> Attribute msg +shape value = + stringProperty "shape" value + + +{-| A set of values specifying the coordinates of the hot-spot region in an +`area`. Needs to be paired with a `shape` attribute to be meaningful. +-} +coords : String -> Attribute msg +coords value = + stringProperty "coords" value + + + +-- KEY GEN + + +{-| A challenge string that is submitted along with the public key in a `keygen`. +-} +challenge : String -> Attribute msg +challenge value = + attribute "challenge" value + + +{-| Specifies the type of key generated by a `keygen`. Possible values are: +rsa, dsa, and ec. +-} +keytype : String -> Attribute msg +keytype value = + stringProperty "keytype" value + + + +-- REAL STUFF + + +{-| Specifies the horizontal alignment of a `caption`, `col`, `colgroup`, +`hr`, `iframe`, `img`, `table`, `tbody`, `td`, `tfoot`, `th`, `thead`, or +`tr`. +-} +align : String -> Attribute msg +align value = + stringProperty "align" value + + +{-| Contains a URI which points to the source of the quote or change in a +`blockquote`, `del`, `ins`, or `q`. +-} +cite : String -> Attribute msg +cite value = + stringProperty "cite" value + + + + +-- LINKS AND AREAS + + +{-| The URL of a linked resource, such as `a`, `area`, `base`, or `link`. -} +href : String -> Attribute msg +href value = + stringProperty "href" value + + +{-| Specify where the results of clicking an `a`, `area`, `base`, or `form` +should appear. Possible special values include: + + * _blank — a new window or tab + * _self — the same frame (this is default) + * _parent — the parent frame + * _top — the full body of the window + +You can also give the name of any `frame` you have created. +-} +target : String -> Attribute msg +target value = + stringProperty "target" value + + +{-| Indicates that clicking an `a` and `area` will download the resource +directly. +-} +download : Bool -> Attribute msg +download bool = + boolProperty "download" bool + + +{-| Indicates that clicking an `a` and `area` will download the resource +directly, and that the downloaded resource with have the given filename. +-} +downloadAs : String -> Attribute msg +downloadAs value = + stringProperty "download" value + + +{-| Two-letter language code of the linked resource of an `a`, `area`, or `link`. +-} +hreflang : String -> Attribute msg +hreflang value = + stringProperty "hreflang" value + + +{-| Specifies a hint of the target media of a `a`, `area`, `link`, `source`, +or `style`. +-} +media : String -> Attribute msg +media value = + attribute "media" value + + +{-| Specify a URL to send a short POST request to when the user clicks on an +`a` or `area`. Useful for monitoring and tracking. +-} +ping : String -> Attribute msg +ping value = + stringProperty "ping" value + + +{-| Specifies the relationship of the target object to the link object. +For `a`, `area`, `link`. +-} +rel : String -> Attribute msg +rel value = + attribute "rel" value + + + +-- CRAZY STUFF + + +{-| Indicates the date and time associated with the element. +For `del`, `ins`, `time`. +-} +datetime : String -> Attribute msg +datetime value = + attribute "datetime" value + + +{-| Indicates whether this date and time is the date of the nearest `article` +ancestor element. For `time`. +-} +pubdate : String -> Attribute msg +pubdate value = + attribute "pubdate" value + + + +-- ORDERED LISTS + + +{-| Indicates whether an ordered list `ol` should be displayed in a descending +order instead of a ascending. +-} +reversed : Bool -> Attribute msg +reversed bool = + boolProperty "reversed" bool + + +{-| Defines the first number of an ordered list if you want it to be something +besides 1. +-} +start : Int -> Attribute msg +start n = + stringProperty "start" (toString n) + + + +-- TABLES + + +{-| The colspan attribute defines the number of columns a cell should span. +For `td` and `th`. +-} +colspan : Int -> Attribute msg +colspan n = + attribute "colspan" (toString n) + + +{-| A space separated list of element IDs indicating which `th` elements are +headers for this cell. For `td` and `th`. +-} +headers : String -> Attribute msg +headers value = + stringProperty "headers" value + + +{-| Defines the number of rows a table cell should span over. +For `td` and `th`. +-} +rowspan : Int -> Attribute msg +rowspan n = + attribute "rowspan" (toString n) + + +{-| Specifies the scope of a header cell `th`. Possible values are: col, row, +colgroup, rowgroup. +-} +scope : String -> Attribute msg +scope value = + stringProperty "scope" value + + +{-| Specifies the URL of the cache manifest for an `html` tag. -} +manifest : String -> Attribute msg +manifest value = + attribute "manifest" value + + +{-- TODO: maybe reintroduce once there's a better way to disambiguate imports +{-| The number of columns a `col` or `colgroup` should span. -} +span : Int -> Attribute msg +span n = + stringProperty "span" (toString n) +--} diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Events.elm b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Events.elm new file mode 100644 index 0000000..ff5c1fe --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Events.elm @@ -0,0 +1,269 @@ +module Html.Events exposing + ( onClick, onDoubleClick + , onMouseDown, onMouseUp + , onMouseEnter, onMouseLeave + , onMouseOver, onMouseOut + , onInput, onCheck, onSubmit + , onBlur, onFocus + , on, onWithOptions, Options, defaultOptions + , targetValue, targetChecked, keyCode + ) + +{-| +It is often helpful to create an [Union Type][] so you can have many different kinds +of events as seen in the [TodoMVC][] example. + +[Union Type]: http://elm-lang.org/learn/Union-Types.elm +[TodoMVC]: https://github.com/evancz/elm-todomvc/blob/master/Todo.elm + +# Mouse Helpers +@docs onClick, onDoubleClick, + onMouseDown, onMouseUp, + onMouseEnter, onMouseLeave, + onMouseOver, onMouseOut + +# Form Helpers +@docs onInput, onCheck, onSubmit + +# Focus Helpers +@docs onBlur, onFocus + +# Custom Event Handlers +@docs on, onWithOptions, Options, defaultOptions + +# Custom Decoders +@docs targetValue, targetChecked, keyCode +-} + +import Html exposing (Attribute) +import Json.Decode as Json +import VirtualDom + + + +-- MOUSE EVENTS + + +{-|-} +onClick : msg -> Attribute msg +onClick msg = + on "click" (Json.succeed msg) + + +{-|-} +onDoubleClick : msg -> Attribute msg +onDoubleClick msg = + on "dblclick" (Json.succeed msg) + + +{-|-} +onMouseDown : msg -> Attribute msg +onMouseDown msg = + on "mousedown" (Json.succeed msg) + + +{-|-} +onMouseUp : msg -> Attribute msg +onMouseUp msg = + on "mouseup" (Json.succeed msg) + + +{-|-} +onMouseEnter : msg -> Attribute msg +onMouseEnter msg = + on "mouseenter" (Json.succeed msg) + + +{-|-} +onMouseLeave : msg -> Attribute msg +onMouseLeave msg = + on "mouseleave" (Json.succeed msg) + + +{-|-} +onMouseOver : msg -> Attribute msg +onMouseOver msg = + on "mouseover" (Json.succeed msg) + + +{-|-} +onMouseOut : msg -> Attribute msg +onMouseOut msg = + on "mouseout" (Json.succeed msg) + + + +-- FORM EVENTS + + +{-| Capture [input](https://developer.mozilla.org/en-US/docs/Web/Events/input) +events for things like text fields or text areas. + +It grabs the **string** value at `event.target.value`, so it will not work if +you need some other type of information. For example, if you want to track +inputs on a range slider, make a custom handler with [`on`](#on). + +For more details on how `onInput` works, check out [targetValue](#targetValue). +-} +onInput : (String -> msg) -> Attribute msg +onInput tagger = + on "input" (Json.map tagger targetValue) + + +{-| Capture [change](https://developer.mozilla.org/en-US/docs/Web/Events/change) +events on checkboxes. It will grab the boolean value from `event.target.checked` +on any input event. + +Check out [targetChecked](#targetChecked) for more details on how this works. +-} +onCheck : (Bool -> msg) -> Attribute msg +onCheck tagger = + on "change" (Json.map tagger targetChecked) + + +{-| Capture a [submit](https://developer.mozilla.org/en-US/docs/Web/Events/submit) +event with [`preventDefault`](https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault) +in order to prevent the form from changing the page’s location. If you need +different behavior, use `onWithOptions` to create a customized version of +`onSubmit`. +-} +onSubmit : msg -> Attribute msg +onSubmit msg = + onWithOptions "submit" onSubmitOptions (Json.succeed msg) + + +onSubmitOptions : Options +onSubmitOptions = + { defaultOptions | preventDefault = True } + + +-- FOCUS EVENTS + + +{-|-} +onBlur : msg -> Attribute msg +onBlur msg = + on "blur" (Json.succeed msg) + + +{-|-} +onFocus : msg -> Attribute msg +onFocus msg = + on "focus" (Json.succeed msg) + + + +-- CUSTOM EVENTS + + +{-| Create a custom event listener. Normally this will not be necessary, but +you have the power! Here is how `onClick` is defined for example: + + import Json.Decode as Json + + onClick : msg -> Attribute msg + onClick message = + on "click" (Json.succeed message) + +The first argument is the event name in the same format as with JavaScript's +[`addEventListener`][aEL] function. + +The second argument is a JSON decoder. Read more about these [here][decoder]. +When an event occurs, the decoder tries to turn the event object into an Elm +value. If successful, the value is routed to your `update` function. In the +case of `onClick` we always just succeed with the given `message`. + +If this is confusing, work through the [Elm Architecture Tutorial][tutorial]. +It really does help! + +[aEL]: https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener +[decoder]: http://package.elm-lang.org/packages/elm-lang/core/latest/Json-Decode +[tutorial]: https://github.com/evancz/elm-architecture-tutorial/ +-} +on : String -> Json.Decoder msg -> Attribute msg +on = + VirtualDom.on + + +{-| Same as `on` but you can set a few options. +-} +onWithOptions : String -> Options -> Json.Decoder msg -> Attribute msg +onWithOptions = + VirtualDom.onWithOptions + + +{-| Options for an event listener. If `stopPropagation` is true, it means the +event stops traveling through the DOM so it will not trigger any other event +listeners. If `preventDefault` is true, any built-in browser behavior related +to the event is prevented. For example, this is used with touch events when you +want to treat them as gestures of your own, not as scrolls. +-} +type alias Options = + { stopPropagation : Bool + , preventDefault : Bool + } + + +{-| Everything is `False` by default. + + defaultOptions = + { stopPropagation = False + , preventDefault = False + } +-} +defaultOptions : Options +defaultOptions = + VirtualDom.defaultOptions + + + +-- COMMON DECODERS + + +{-| A `Json.Decoder` for grabbing `event.target.value`. We use this to define +`onInput` as follows: + + import Json.Decode as Json + + onInput : (String -> msg) -> Attribute msg + onInput tagger = + on "input" (Json.map tagger targetValue) + +You probably will never need this, but hopefully it gives some insights into +how to make custom event handlers. +-} +targetValue : Json.Decoder String +targetValue = + Json.at ["target", "value"] Json.string + + +{-| A `Json.Decoder` for grabbing `event.target.checked`. We use this to define +`onCheck` as follows: + + import Json.Decode as Json + + onCheck : (Bool -> msg) -> Attribute msg + onCheck tagger = + on "input" (Json.map tagger targetChecked) +-} +targetChecked : Json.Decoder Bool +targetChecked = + Json.at ["target", "checked"] Json.bool + + +{-| A `Json.Decoder` for grabbing `event.keyCode`. This helps you define +keyboard listeners like this: + + import Json.Decode as Json + + onKeyUp : (Int -> msg) -> Attribute msg + onKeyUp tagger = + on "keyup" (Json.map tagger keyCode) + +**Note:** It looks like the spec is moving away from `event.keyCode` and +towards `event.key`. Once this is supported in more browsers, we may add +helpers here for `onKeyUp`, `onKeyDown`, `onKeyPress`, etc. +-} +keyCode : Json.Decoder Int +keyCode = + Json.field "keyCode" Json.int diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Keyed.elm b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Keyed.elm new file mode 100644 index 0000000..debd710 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Keyed.elm @@ -0,0 +1,48 @@ +module Html.Keyed exposing + ( node + , ol + , ul + ) +{-| A keyed node helps optimize cases where children are getting added, moved, +removed, etc. Common examples include: + + - The user can delete items from a list. + - The user can create new items in a list. + - You can sort a list based on name or date or whatever. + +When you use a keyed node, every child is paired with a string identifier. This +makes it possible for the underlying diffing algorithm to reuse nodes more +efficiently. + +# Keyed Nodes +@docs node + +# Commonly Keyed Nodes +@docs ol, ul +-} + + +import Html exposing (Attribute, Html) +import VirtualDom + + +{-| Works just like `Html.node`, but you add a unique identifier to each child +node. You want this when you have a list of nodes that is changing: adding +nodes, removing nodes, etc. In these cases, the unique identifiers help make +the DOM modifications more efficient. +-} +node : String -> List (Attribute msg) -> List ( String, Html msg ) -> Html msg +node = + VirtualDom.keyedNode + + +{-|-} +ol : List (Attribute msg) -> List ( String, Html msg ) -> Html msg +ol = + node "ol" + + +{-|-} +ul : List (Attribute msg) -> List ( String, Html msg ) -> Html msg +ul = + node "ul" diff --git a/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Lazy.elm b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Lazy.elm new file mode 100644 index 0000000..f027ffc --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/html/2.0.0/src/Html/Lazy.elm @@ -0,0 +1,48 @@ +module Html.Lazy exposing + ( lazy, lazy2, lazy3 + ) + +{-| Since all Elm functions are pure we have a guarantee that the same input +will always result in the same output. This module gives us tools to be lazy +about building `Html` that utilize this fact. + +Rather than immediately applying functions to their arguments, the `lazy` +functions just bundle the function and arguments up for later. When diffing +the old and new virtual DOM, it checks to see if all the arguments are equal. +If so, it skips calling the function! + +This is a really cheap test and often makes things a lot faster, but definitely +benchmark to be sure! + +@docs lazy, lazy2, lazy3 +-} + +import Html exposing (Html) +import VirtualDom + + +{-| A performance optimization that delays the building of virtual DOM nodes. + +Calling `(view model)` will definitely build some virtual DOM, perhaps a lot of +it. Calling `(lazy view model)` delays the call until later. During diffing, we +can check to see if `model` is referentially equal to the previous value used, +and if so, we just stop. No need to build up the tree structure and diff it, +we know if the input to `view` is the same, the output must be the same! +-} +lazy : (a -> Html msg) -> a -> Html msg +lazy = + VirtualDom.lazy + + +{-| Same as `lazy` but checks on two arguments. +-} +lazy2 : (a -> b -> Html msg) -> a -> b -> Html msg +lazy2 = + VirtualDom.lazy2 + + +{-| Same as `lazy` but checks on three arguments. +-} +lazy3 : (a -> b -> c -> Html msg) -> a -> b -> c -> Html msg +lazy3 = + VirtualDom.lazy3 diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/.gitignore b/part7/elm-stuff/packages/elm-lang/http/1.0.0/.gitignore new file mode 100644 index 0000000..e185314 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/.gitignore @@ -0,0 +1 @@ +elm-stuff \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/LICENSE b/part7/elm-stuff/packages/elm-lang/http/1.0.0/LICENSE new file mode 100644 index 0000000..737f64b --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2016-present, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/README.md b/part7/elm-stuff/packages/elm-lang/http/1.0.0/README.md new file mode 100644 index 0000000..a042adb --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/README.md @@ -0,0 +1,57 @@ +# HTTP in Elm + +Make HTTP requests in Elm. + +```elm +import Http +import Json.Decode as Decode + + +-- GET A STRING + +getWarAndPeace : Http.Request String +getWarAndPeace = + Http.getString "https://example.com/books/war-and-peace" + + +-- GET JSON + +getMetadata : Http.Request Metadata +getMetadata = + Http.get "https://example.com/books/war-and-peace/metadata" decodeMetadata + +type alias Metadata = + { author : String + , pages : Int + } + +decodeMetadata : Decode.Decoder Metadata +decodeMetadata = + Decode.map2 Metadata + (Decode.field "author" Decode.string) + (Decode.field "pages" Decode.int) + + +-- SEND REQUESTS + +type Msg + = LoadMetadata (Result Http.Error Metadata) + +send : Cmd Msg +send = + Http.send LoadMetadata getMetadata +``` + + +## Examples + + - GET requests - [demo and code](http://elm-lang.org/examples/http) + - Download progress - [demo](https://hirafuji.com.br/elm/http-progress-example/) and [code](https://gist.github.com/pablohirafuji/fa373d07c42016756d5bca28962008c4) + + +## Learn More + +To understand how HTTP works in Elm, check out: + + - [The HTTP example in the guide](https://guide.elm-lang.org/architecture/effects/http.html) to see a simple usage with some explanation. + - [The Elm Architecture](https://guide.elm-lang.org/architecture/) to understand how HTTP fits into Elm in a more complete way. This will explain concepts like `Cmd` and `Sub` that appear in this package. diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/elm-package.json b/part7/elm-stuff/packages/elm-lang/http/1.0.0/elm-package.json new file mode 100644 index 0000000..7c6b4ae --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/elm-package.json @@ -0,0 +1,18 @@ +{ + "version": "1.0.0", + "summary": "Make HTTP requests (download progress, rate-limit, debounce, throttle)", + "repository": "https://github.com/elm-lang/http.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Http", + "Http.Progress" + ], + "native-modules": true, + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/rate-limit.md b/part7/elm-stuff/packages/elm-lang/http/1.0.0/rate-limit.md new file mode 100644 index 0000000..ebe049a --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/rate-limit.md @@ -0,0 +1,40 @@ +## Custom Rate-Limiting Strategies + +This package has `Http.RateLimit` which helps you rate-limit the HTTP requests you make. Instead of sending one request per keystroke, you filter it down because not all requests are important. + +The `Http.RateLimit` module comes with a `debounce` strategy that covers the common case, but you may want to define a custom strategy with other characteristics. Maybe you want to send the first request. Maybe you want to send when the previous request is done instead of using timers. Etc. + +If so, you can define a custom strategy with `Http.RateLimit.customStrategy`. For example, you would define `throttle` like this: + +```elm +import Http.RateLimit as Limit + +throttle : Time -> Limit.Strategy +throttle ms = + Limit.customStrategy <| \timeNow event state -> + case event of + Limit.New _ -> + -- wait after a new request + [ Limit.WakeUpIn ms ] + + Limit.Done _ -> + -- we do not care when requests finish + [] + + Limit.WakeUp -> + case state.next of + Nothing -> + -- do nothing if there is no pending request + [] + + Just req -> + -- send if enough time has passed since the previous request + case state.prev of + Nothing -> + [ Limit.Send req.id ] + + Just prev -> + if timeNow - prev.time >= ms then [ Limit.Send req.id ] else [] +``` + +It would be nice to have some useful strategies defined in a separate package so folks can experiment and find names and implementations that work well for specific scenarios. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http.elm b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http.elm new file mode 100644 index 0000000..d3ccf27 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http.elm @@ -0,0 +1,411 @@ +module Http exposing + ( Request, send, Error(..) + , getString, get + , post + , request + , Header, header + , Body, emptyBody, jsonBody, stringBody, multipartBody, Part, stringPart + , Expect, expectString, expectJson, expectStringResponse, Response + , encodeUri, decodeUri, toTask + ) + +{-| Create and send HTTP requests. + +# Send Requests +@docs Request, send, Error + +# GET +@docs getString, get + +# POST +@docs post + +# Custom Requests +@docs request + +## Headers +@docs Header, header + +## Request Bodies +@docs Body, emptyBody, jsonBody, stringBody, multipartBody, Part, stringPart + +## Responses +@docs Expect, expectString, expectJson, expectStringResponse, Response + +# Low-Level +@docs encodeUri, decodeUri, toTask + +-} + +import Dict exposing (Dict) +import Http.Internal +import Json.Decode as Decode +import Json.Encode as Encode +import Maybe exposing (Maybe(..)) +import Native.Http +import Platform.Cmd as Cmd exposing (Cmd) +import Result exposing (Result(..)) +import Task exposing (Task) +import Time exposing (Time) + + + +-- REQUESTS + + +{-| Describes an HTTP request. +-} +type alias Request a = + Http.Internal.Request a + + +{-| Send a `Request`. We could get the text of “War and Peace” like this: + + import Http + + type Msg = Click | NewBook (Result Http.Error String) + + update : Msg -> Model -> Model + update msg model = + case msg of + Click -> + ( model, getWarAndPeace ) + + NewBook (Ok book) -> + ... + + NewBook (Err _) -> + ... + + getWarAndPeace : Cmd Msg + getWarAndPeace = + Http.send NewBook <| + Http.getString "https://example.com/books/war-and-peace.md" +-} +send : (Result Error a -> msg) -> Request a -> Cmd msg +send resultToMessage request = + Task.attempt resultToMessage (toTask request) + + +{-| Convert a `Request` into a `Task`. This is only really useful if you want +to chain together a bunch of requests (or any other tasks) in a single command. +-} +toTask : Request a -> Task Error a +toTask (Http.Internal.Request request) = + Native.Http.toTask request Nothing + + +{-| A `Request` can fail in a couple ways: + + - `BadUrl` means you did not provide a valid URL. + - `Timeout` means it took too long to get a response. + - `NetworkError` means the user turned off their wifi, went in a cave, etc. + - `BadStatus` means you got a response back, but the [status code][sc] + indicates failure. + - `BadPayload` means you got a response back with a nice status code, but + the body of the response was something unexpected. The `String` in this + case is a debugging message that explains what went wrong with your JSON + decoder or whatever. + +[sc]: https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html +-} +type Error + = BadUrl String + | Timeout + | NetworkError + | BadStatus (Response String) + | BadPayload String (Response String) + + + +-- GET + + +{-| Create a `GET` request and interpret the response body as a `String`. + + import Http + + getWarAndPeace : Http.Request String + getWarAndPeace = + Http.getString "https://example.com/books/war-and-peace" +-} +getString : String -> Request String +getString url = + request + { method = "GET" + , headers = [] + , url = url + , body = emptyBody + , expect = expectString + , timeout = Nothing + , withCredentials = False + } + + +{-| Create a `GET` request and try to decode the response body from JSON to +some Elm value. + + import Http + import Json.Decode exposing (list, string) + + getBooks : Http.Request (List String) + getBooks = + Http.get "https://example.com/books" (list string) + +You can learn more about how JSON decoders work [here][] in the guide. + +[here]: https://guide.elm-lang.org/interop/json.html +-} +get : String -> Decode.Decoder a -> Request a +get url decoder = + request + { method = "GET" + , headers = [] + , url = url + , body = emptyBody + , expect = expectJson decoder + , timeout = Nothing + , withCredentials = False + } + + + +-- POST + + +{-| Create a `POST` request and try to decode the response body from JSON to +an Elm value. For example, if we want to send a POST without any data in the +request body, it would be like this: + + import Http + import Json.Decode exposing (list, string) + + postBooks : Http.Request (List String) + postBooks = + Http.post "https://example.com/books" Http.emptyBody (list string) + +See [`jsonBody`](#jsonBody) to learn how to have a more interesting request +body. And check out [this section][here] of the guide to learn more about +JSON decoders. + +[here]: https://guide.elm-lang.org/interop/json.html + +-} +post : String -> Body -> Decode.Decoder a -> Request a +post url body decoder = + request + { method = "POST" + , headers = [] + , url = url + , body = body + , expect = expectJson decoder + , timeout = Nothing + , withCredentials = False + } + + + +-- CUSTOM REQUESTS + + +{-| Create a custom request. For example, a custom PUT request would look like +this: + + put : String -> Body -> Request () + put url body = + request + { method = "PUT" + , headers = [] + , url = url + , body = body + , expect = expectStringResponse (\_ -> Ok ()) + , timeout = Nothing + , withCredentials = False + } +-} +request + : { method : String + , headers : List Header + , url : String + , body : Body + , expect : Expect a + , timeout : Maybe Time + , withCredentials : Bool + } + -> Request a +request = + Http.Internal.Request + + + +-- HEADERS + + +{-| An HTTP header for configuring requests. See a bunch of common headers +[here][]. + +[here]: https://en.wikipedia.org/wiki/List_of_HTTP_header_fields +-} +type alias Header = Http.Internal.Header + + +{-| Create a `Header`. + + header "If-Modified-Since" "Sat 29 Oct 1994 19:43:31 GMT" + header "Max-Forwards" "10" + header "X-Requested-With" "XMLHttpRequest" + +**Note:** In the future, we may split this out into an `Http.Headers` module +and provide helpers for cases that are common on the client-side. If this +sounds nice to you, open an issue [here][] describing the helper you want and +why you need it. + +[here]: https://github.com/elm-lang/http/issues +-} +header : String -> String -> Header +header = + Http.Internal.Header + + + +-- BODY + + +{-| Represents the body of a `Request`. +-} +type alias Body = Http.Internal.Body + + +{-| Create an empty body for your `Request`. This is useful for GET requests +and POST requests where you are not sending any data. +-} +emptyBody : Body +emptyBody = + Http.Internal.EmptyBody + + +{-| Put some JSON value in the body of your `Request`. This will automatically +add the `Content-Type: application/json` header. +-} +jsonBody : Encode.Value -> Body +jsonBody value = + Http.Internal.StringBody "application/json" (Encode.encode 0 value) + + +{-| Put some string in the body of your `Request`. Defining `jsonBody` looks +like this: + + import Json.Encode as Encode + + jsonBody : Encode.Value -> Body + jsonBody value = + stringBody "application/json" (Encode.encode 0 value) + +Notice that the first argument is a [MIME type][mime] so we know to add +`Content-Type: application/json` to our request headers. Make sure your +MIME type matches your data. Some servers are strict about this! + +[mime]: https://en.wikipedia.org/wiki/Media_type +-} +stringBody : String -> String -> Body +stringBody = + Http.Internal.StringBody + + +{-| Create multi-part bodies for your `Request`, automatically adding the +`Content-Type: multipart/form-data` header. +-} +multipartBody : List Part -> Body +multipartBody = + Native.Http.multipart + + +{-| Contents of a multi-part body. Right now it only supports strings, but we +will support blobs and files when we get an API for them in Elm. +-} +type Part + = StringPart String String + + +{-| A named chunk of string data. + + body = + multipartBody + [ stringPart "user" "tom" + , stringPart "payload" "42" + ] +-} +stringPart : String -> String -> Part +stringPart = + StringPart + + + +-- RESPONSES + + +{-| Logic for interpreting a response body. +-} +type alias Expect a = + Http.Internal.Expect a + + +{-| Expect the response body to be a `String`. +-} +expectString : Expect String +expectString = + expectStringResponse (\response -> Ok response.body) + + +{-| Expect the response body to be JSON. You provide a `Decoder` to turn that +JSON into an Elm value. If the body cannot be parsed as JSON or if the JSON +does not match the decoder, the request will resolve to a `BadPayload` error. +-} +expectJson : Decode.Decoder a -> Expect a +expectJson decoder = + expectStringResponse (\response -> Decode.decodeString decoder response.body) + + +{-| Maybe you want the whole `Response`: status code, headers, body, etc. This +lets you get all of that information. From there you can use functions like +`Json.Decode.decodeString` to interpret it as JSON or whatever else you want. +-} +expectStringResponse : (Response String -> Result String a) -> Expect a +expectStringResponse = + Native.Http.expectStringResponse + + +{-| The response from a `Request`. +-} +type alias Response body = + { url : String + , status : { code : Int, message : String } + , headers : Dict String String + , body : body + } + + + +-- LOW-LEVEL + + +{-| Use this to escape query parameters. Converts characters like `/` to `%2F` +so that it does not clash with normal URL + +It work just like `encodeURIComponent` in JavaScript. +-} +encodeUri : String -> String +encodeUri = + Native.Http.encodeUri + + +{-| Use this to unescape query parameters. It converts things like `%2F` to +`/`. It can fail in some cases. For example, there is no way to unescape `%` +because it could never appear alone in a properly escaped string. + +It works just like `decodeURIComponent` in JavaScript. +-} +decodeUri : String -> Maybe String +decodeUri = + Native.Http.decodeUri + diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http/Internal.elm b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http/Internal.elm new file mode 100644 index 0000000..b547302 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http/Internal.elm @@ -0,0 +1,45 @@ +module Http.Internal exposing + ( Request(..) + , RawRequest + , Expect + , Body(..) + , Header(..) + , map + ) + + +import Native.Http +import Time exposing (Time) + + + +type Request a = Request (RawRequest a) + + +type alias RawRequest a = + { method : String + , headers : List Header + , url : String + , body : Body + , expect : Expect a + , timeout : Maybe Time + , withCredentials : Bool + } + + +type Expect a = Expect + + +type Body + = EmptyBody + | StringBody String String + | FormDataBody + + + +type Header = Header String String + + +map : (a -> b) -> RawRequest a -> RawRequest b +map func request = + { request | expect = Native.Http.mapExpect func request.expect } diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http/Progress.elm b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http/Progress.elm new file mode 100644 index 0000000..c0b2a78 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Http/Progress.elm @@ -0,0 +1,200 @@ +effect module Http.Progress where { subscription = MySub } exposing + ( Progress(..) + , track + ) + +{-| Track the progress of an HTTP request. This can be useful if you are +requesting a large amount of data and want to show the user a progress bar +or something. + +Here is an example usage: [demo][] and [code][]. + +[demo]: https://hirafuji.com.br/elm/http-progress-example/ +[code]: https://gist.github.com/pablohirafuji/fa373d07c42016756d5bca28962008c4 + +**Note:** If you stop tracking progress, you cancel the request. + +# Progress +@docs Progress, track + +-} + + +import Dict +import Http +import Http.Internal exposing ( Request(Request) ) +import Task exposing (Task) +import Platform exposing (Router) +import Process + + + +-- PROGRESS + + +{-| The progress of an HTTP request. + +You start with `None`. As data starts to come in, you will see `Some`. The +`bytesExpected` field will match the `Content-Length` header, indicating how +long the response body is in bytes (8-bits). The `bytes` field indicates how +many bytes have been loaded so far, so if you want progress as a percentage, +you would say: + + Some { bytes, bytesExpected } -> + toFloat bytes / toFloat bytesExpected + +You will end up with `Fail` or `Done` depending on the success of the request. +-} +type Progress data + = None + | Some { bytes : Int, bytesExpected : Int} + | Fail Http.Error + | Done data + + + +-- TRACK + + +{-| Create a subscription that tracks the progress of an HTTP request. + +See it in action in this example: [demo][] and [code][]. + +[demo]: https://hirafuji.com.br/elm/http-progress-example/ +[code]: https://gist.github.com/pablohirafuji/fa373d07c42016756d5bca28962008c4 +-} +track : String -> (Progress data -> msg) -> Http.Request data -> Sub msg +track id toMessage (Request request) = + subscription <| Track id <| + { request = Http.Internal.map (Done >> toMessage) request + , toProgress = Some >> toMessage + , toError = Fail >> toMessage + } + + +type alias TrackedRequest msg = + { request : Http.Internal.RawRequest msg + , toProgress : { bytes : Int, bytesExpected : Int } -> msg + , toError : Http.Error -> msg + } + + +map : (a -> b) -> TrackedRequest a -> TrackedRequest b +map func { request, toProgress, toError } = + { request = Http.Internal.map func request + , toProgress = toProgress >> func + , toError = toError >> func + } + + + +-- SUBSCRIPTIONS + + +type MySub msg = + Track String (TrackedRequest msg) + + +subMap : (a -> b) -> MySub a -> MySub b +subMap func (Track id trackedRequest) = + Track id (map func trackedRequest) + + + +-- EFFECT MANAGER + + +type alias State = + Dict.Dict String Process.Id + + +init : Task Never State +init = + Task.succeed Dict.empty + + + +-- APP MESSAGES + + +onEffects : Platform.Router msg Never -> List (MySub msg) -> State -> Task Never State +onEffects router subs state = + let + subDict = + collectSubs subs + + leftStep id process (dead, ongoing, new) = + ( Process.kill process :: dead + , ongoing + , new + ) + + bothStep id process _ (dead, ongoing, new) = + ( dead + , Dict.insert id process ongoing + , new + ) + + rightStep id trackedRequest (dead, ongoing, new) = + ( dead + , ongoing + , (id, trackedRequest) :: new + ) + + (dead, ongoing, new) = + Dict.merge leftStep bothStep rightStep state subDict ([], Dict.empty, []) + in + Task.sequence dead + |> Task.andThen (\_ -> spawnRequests router new ongoing) + + +spawnRequests : Router msg Never -> List (String, TrackedRequest msg) -> State -> Task Never State +spawnRequests router trackedRequests state = + case trackedRequests of + [] -> + Task.succeed state + + (id, trackedRequest) :: others -> + Process.spawn (toTask router trackedRequest) + |> Task.andThen (\process -> spawnRequests router others (Dict.insert id process state)) + + +toTask : Router msg Never -> TrackedRequest msg -> Task Never () +toTask router { request, toProgress, toError } = + Native.Http.toTask request (Just (Platform.sendToApp router << toProgress)) + |> Task.andThen (Platform.sendToApp router) + |> Task.onError (Platform.sendToApp router << toError) + + + +-- COLLECT SUBS AS DICT + + +type alias SubDict msg = + Dict.Dict String (TrackedRequest msg) + + +collectSubs : List (MySub msg) -> SubDict msg +collectSubs subs = + List.foldl addSub Dict.empty subs + + +addSub : MySub msg -> SubDict msg -> SubDict msg +addSub (Track id trackedRequest) subDict = + let + request = + trackedRequest.request + + uid = + id ++ request.method ++ request.url + in + Dict.insert uid trackedRequest subDict + + + +-- SELF MESSAGES + + +onSelfMsg : Platform.Router msg Never -> Never -> State -> Task Never State +onSelfMsg router _ state = + Task.succeed state diff --git a/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Native/Http.js b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Native/Http.js new file mode 100644 index 0000000..9f14772 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/http/1.0.0/src/Native/Http.js @@ -0,0 +1,238 @@ +var _elm_lang$http$Native_Http = function() { + + +// ENCODING AND DECODING + +function encodeUri(string) +{ + return encodeURIComponent(string); +} + +function decodeUri(string) +{ + try + { + return _elm_lang$core$Maybe$Just(decodeURIComponent(string)); + } + catch(e) + { + return _elm_lang$core$Maybe$Nothing; + } +} + + +// SEND REQUEST + +function toTask(request, maybeProgress) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + var xhr = new XMLHttpRequest(); + + configureProgress(xhr, maybeProgress); + + xhr.addEventListener('error', function() { + callback(_elm_lang$core$Native_Scheduler.fail({ ctor: 'NetworkError' })); + }); + xhr.addEventListener('timeout', function() { + callback(_elm_lang$core$Native_Scheduler.fail({ ctor: 'Timeout' })); + }); + xhr.addEventListener('load', function() { + callback(handleResponse(xhr, request.expect.responseToResult)); + }); + + try + { + xhr.open(request.method, request.url, true); + } + catch (e) + { + return callback(_elm_lang$core$Native_Scheduler.fail({ ctor: 'BadUrl', _0: request.url })); + } + + configureRequest(xhr, request); + send(xhr, request.body); + + return function() { xhr.abort(); }; + }); +} + +function configureProgress(xhr, maybeProgress) +{ + if (maybeProgress.ctor === 'Nothing') + { + return; + } + + xhr.addEventListener('progress', function(event) { + if (!event.lengthComputable) + { + return; + } + _elm_lang$core$Native_Scheduler.rawSpawn(maybeProgress._0({ + bytes: event.loaded, + bytesExpected: event.total + })); + }); +} + +function configureRequest(xhr, request) +{ + function setHeader(pair) + { + xhr.setRequestHeader(pair._0, pair._1); + } + + A2(_elm_lang$core$List$map, setHeader, request.headers); + xhr.responseType = request.expect.responseType; + xhr.withCredentials = request.withCredentials; + + if (request.timeout.ctor === 'Just') + { + xhr.timeout = request.timeout._0; + } +} + +function send(xhr, body) +{ + switch (body.ctor) + { + case 'EmptyBody': + xhr.send(); + return; + + case 'StringBody': + xhr.setRequestHeader('Content-Type', body._0); + xhr.send(body._1); + return; + + case 'FormDataBody': + xhr.send(body._0); + return; + } +} + + +// RESPONSES + +function handleResponse(xhr, responseToResult) +{ + var response = toResponse(xhr); + + if (xhr.status < 200 || 300 <= xhr.status) + { + response.body = xhr.responseText; + return _elm_lang$core$Native_Scheduler.fail({ + ctor: 'BadStatus', + _0: response + }); + } + + var result = responseToResult(response); + + if (result.ctor === 'Ok') + { + return _elm_lang$core$Native_Scheduler.succeed(result._0); + } + else + { + response.body = xhr.responseText; + return _elm_lang$core$Native_Scheduler.fail({ + ctor: 'BadPayload', + _0: result._0, + _1: response + }); + } +} + +function toResponse(xhr) +{ + return { + status: { code: xhr.status, message: xhr.statusText }, + headers: parseHeaders(xhr.getAllResponseHeaders()), + url: xhr.responseURL, + body: xhr.response + }; +} + +function parseHeaders(rawHeaders) +{ + var headers = _elm_lang$core$Dict$empty; + + if (!rawHeaders) + { + return headers; + } + + var headerPairs = rawHeaders.split('\u000d\u000a'); + for (var i = headerPairs.length; i--; ) + { + var headerPair = headerPairs[i]; + var index = headerPair.indexOf('\u003a\u0020'); + if (index > 0) + { + var key = headerPair.substring(0, index); + var value = headerPair.substring(index + 2); + + headers = A3(_elm_lang$core$Dict$update, key, function(oldValue) { + if (oldValue.ctor === 'Just') + { + return _elm_lang$core$Maybe$Just(value + ', ' + oldValue._0); + } + return _elm_lang$core$Maybe$Just(value); + }, headers); + } + } + + return headers; +} + + +// EXPECTORS + +function expectStringResponse(responseToResult) +{ + return { + responseType: 'text', + responseToResult: responseToResult + }; +} + +function mapExpect(func, expect) +{ + return { + responseType: expect.responseType, + responseToResult: function(response) { + var convertedResponse = expect.responseToResult(response); + return A2(_elm_lang$core$Result$map, func, convertedResponse); + } + }; +} + + +// BODY + +function multipart(parts) +{ + var formData = new FormData(); + + while (parts.ctor !== '[]') + { + var part = parts._0; + formData.append(part._0, part._1); + parts = parts._1; + } + + return { ctor: 'FormDataBody', _0: formData }; +} + +return { + toTask: F2(toTask), + expectStringResponse: expectStringResponse, + mapExpect: F2(mapExpect), + multipart: multipart, + encodeUri: encodeUri, + decodeUri: decodeUri +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/.gitignore b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/.gitignore new file mode 100644 index 0000000..e185314 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/.gitignore @@ -0,0 +1 @@ +elm-stuff \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/LICENSE b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/LICENSE new file mode 100644 index 0000000..24bdd38 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2016, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/README.md b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/README.md new file mode 100644 index 0000000..895eae6 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/README.md @@ -0,0 +1,28 @@ +# Navigation + +Normally when the address bar changes, the browser sends some HTTP requests to load new pages. + +This library lets you capture navigation and handle it yourself. No need to kick off a request to your servers. + + +## Examples + +Check out the `examples/` directory of this repo. The `README` there will give you more information. + + +## Right and Middle Clicks on Hashless URLs + +We got an issue asking "[what is the best way to handle clicks on *normal* URLs?](https://github.com/elm-lang/navigation/issues/13)" where you want to handle the navigation by hand, but also permit middle and right clicks. + +The pending solution lives [here](https://github.com/elm-lang/html/issues/110). + + +## Context + +You want your website to load quickly, especially if many users will be on mobile phones. You also want to send as little data as possible to users, especially if they have slow internet connections or data caps. + +> For some reason, this general goal is called “Single Page Apps” or SPAs in the JavaScript world. It is odd in that the essence is that you want to manage multiple pages intelligently, and maybe “asset management” would have been clearer, but that ship has sailed. + +One important trick is to use the browser cache as much as possible. Ideally, when a user navigates to a new page, they do not make *any* HTTP requests. They have it all already. In a good case, you have most of the JS code you need already, and you just ask for a tiny bit more. + +Normally, browser navigation causes an HTTP request for some HTML. That HTML may then fetch some JavaScript and images and other stuff. By capturing navigation events (like this library does) you can skip that first HTTP request and figure out a way to get only the assets you are missing. diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/elm-package.json b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/elm-package.json new file mode 100644 index 0000000..4a5730d --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/elm-package.json @@ -0,0 +1,19 @@ +{ + "version": "2.1.0", + "summary": "Manage browser navigation yourself (a.k.a. SPA routing, browser history)", + "repository": "http://github.com/elm-lang/navigation.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Navigation" + ], + "native-modules": true, + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-lang/dom": "1.1.1 <= v < 2.0.0", + "elm-lang/html": "2.0.0 <= v < 3.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/Example.elm b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/Example.elm new file mode 100644 index 0000000..64bd131 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/Example.elm @@ -0,0 +1,78 @@ +import Html exposing (..) +import Html.Attributes exposing (..) +import Html.Events exposing (..) +import Navigation + + + +main = + Navigation.program UrlChange + { init = init + , view = view + , update = update + , subscriptions = (\_ -> Sub.none) + } + + + +-- MODEL + + +type alias Model = + { history : List Navigation.Location + } + + +init : Navigation.Location -> ( Model, Cmd Msg ) +init location = + ( Model [ location ] + , Cmd.none + ) + + + +-- UPDATE + + +type Msg + = UrlChange Navigation.Location + + +{- We are just storing the location in our history in this example, but +normally, you would use a package like evancz/url-parser to parse the path +or hash into nicely structured Elm values. + + + +-} +update : Msg -> Model -> (Model, Cmd Msg) +update msg model = + case msg of + UrlChange location -> + ( { model | history = location :: model.history } + , Cmd.none + ) + + + +-- VIEW + + +view : Model -> Html msg +view model = + div [] + [ h1 [] [ text "Pages" ] + , ul [] (List.map viewLink [ "bears", "cats", "dogs", "elephants", "fish" ]) + , h1 [] [ text "History" ] + , ul [] (List.map viewLocation model.history) + ] + + +viewLink : String -> Html msg +viewLink name = + li [] [ a [ href ("#" ++ name) ] [ text name ] ] + + +viewLocation : Navigation.Location -> Html msg +viewLocation location = + li [] [ text (location.pathname ++ location.hash) ] \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/README.md b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/README.md new file mode 100644 index 0000000..0d498d3 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/README.md @@ -0,0 +1,12 @@ +# Run the Examples + +To run the examples in this folder, follow the following steps: + +```bash +git clone https://github.com/elm-lang/navigation.git +cd navigation +cd examples +elm-reactor +``` + +This will navigate into the `examples/` directory and start `elm-reactor`. From here, go to [http://localhost:8000](http://localhost:8000) and start clicking on `.elm` files to see them in action. \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/elm-package.json b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/elm-package.json new file mode 100644 index 0000000..70a372b --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/examples/elm-package.json @@ -0,0 +1,18 @@ +{ + "version": "1.0.0", + "summary": "Examples of using the elm-lang/navigation library", + "repository": "http://github.com/user/project.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Navigation" + ], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-lang/html": "2.0.0 <= v < 3.0.0", + "elm-lang/navigation": "2.0.0 <= v < 3.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/src/Native/Navigation.js b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/src/Native/Navigation.js new file mode 100644 index 0000000..c910a21 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/src/Native/Navigation.js @@ -0,0 +1,107 @@ +var _elm_lang$navigation$Native_Navigation = function() { + + +// FAKE NAVIGATION + +function go(n) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + if (n !== 0) + { + history.go(n); + } + callback(_elm_lang$core$Native_Scheduler.succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + +function pushState(url) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + history.pushState({}, '', url); + callback(_elm_lang$core$Native_Scheduler.succeed(getLocation())); + }); +} + +function replaceState(url) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + history.replaceState({}, '', url); + callback(_elm_lang$core$Native_Scheduler.succeed(getLocation())); + }); +} + + +// REAL NAVIGATION + +function reloadPage(skipCache) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + document.location.reload(skipCache); + callback(_elm_lang$core$Native_Scheduler.succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + +function setLocation(url) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + try + { + window.location = url; + } + catch(err) + { + // Only Firefox can throw a NS_ERROR_MALFORMED_URI exception here. + // Other browsers reload the page, so let's be consistent about that. + document.location.reload(false); + } + callback(_elm_lang$core$Native_Scheduler.succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + + +// GET LOCATION + +function getLocation() +{ + var location = document.location; + + return { + href: location.href, + host: location.host, + hostname: location.hostname, + protocol: location.protocol, + origin: location.origin, + port_: location.port, + pathname: location.pathname, + search: location.search, + hash: location.hash, + username: location.username, + password: location.password + }; +} + + +// DETECT IE11 PROBLEMS + +function isInternetExplorer11() +{ + return window.navigator.userAgent.indexOf('Trident') !== -1; +} + + +return { + go: go, + setLocation: setLocation, + reloadPage: reloadPage, + pushState: pushState, + replaceState: replaceState, + getLocation: getLocation, + isInternetExplorer11: isInternetExplorer11 +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/src/Navigation.elm b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/src/Navigation.elm new file mode 100644 index 0000000..d58af05 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/navigation/2.1.0/src/Navigation.elm @@ -0,0 +1,424 @@ +effect module Navigation where { command = MyCmd, subscription = MySub } exposing + ( back, forward + , load, reload, reloadAndSkipCache + , newUrl, modifyUrl + , program, programWithFlags + , Location + ) + +{-| This is a library for managing browser navigation yourself. + +The core functionality is the ability to “navigate” to new URLs, +changing the address bar of the browser *without* the browser kicking off a +request to your servers. Instead, you manage the changes yourself in Elm. + + +# Change the URL +@docs newUrl, modifyUrl + +# Navigation +@docs back, forward + +# Force Page Loads +@docs load, reload, reloadAndSkipCache + +# Programs with Locations +@docs program, programWithFlags, Location + +-} + + +import Dom.LowLevel exposing (onWindow) +import Html exposing (Html) +import Json.Decode as Json +import Native.Navigation +import Process +import Task exposing (Task) + + + +-- PROGRAMS + + +{-| Same as [`Html.program`][doc], but your `update` function gets messages +whenever the URL changes. + +[doc]: http://package.elm-lang.org/packages/elm-lang/html/latest/Html#program + +The first difference is the `Location -> msg` argument. This converts a +[`Location`](#location) into a message whenever the URL changes. That message +is fed into your `update` function just like any other one. + +The second difference is that the `init` function takes `Location` as an +argument. This lets you use the URL on the first frame. + +**Note:** A location message is produced every time the URL changes. This +includes things exposed by this library, like `back` and `newUrl`, as well as +whenever the user clicks the back or forward buttons of the browsers. So if +the URL changes, you will hear about it in your `update` function. +-} +program + : (Location -> msg) + -> + { init : Location -> (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , view : model -> Html msg + , subscriptions : model -> Sub msg + } + -> Program Never model msg +program locationToMessage stuff = + let + subs model = + Sub.batch + [ subscription (Monitor locationToMessage) + , stuff.subscriptions model + ] + + init = + stuff.init (Native.Navigation.getLocation ()) + in + Html.program + { init = init + , view = stuff.view + , update = stuff.update + , subscriptions = subs + } + + +{-| Works the same as [`program`](#program), but it can also handle flags. +See [`Html.programWithFlags`][doc] for more information. + +[doc]: http://package.elm-lang.org/packages/elm-lang/html/latest/Html#programWithFlags +-} +programWithFlags + : (Location -> msg) + -> + { init : flags -> Location -> (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , view : model -> Html msg + , subscriptions : model -> Sub msg + } + -> Program flags model msg +programWithFlags locationToMessage stuff = + let + subs model = + Sub.batch + [ subscription (Monitor locationToMessage) + , stuff.subscriptions model + ] + + init flags = + stuff.init flags (Native.Navigation.getLocation ()) + in + Html.programWithFlags + { init = init + , view = stuff.view + , update = stuff.update + , subscriptions = subs + } + + + +-- TIME TRAVEL + + +{-| Go back some number of pages. So `back 1` goes back one page, and `back 2` +goes back two pages. + +**Note:** You only manage the browser history that *you* created. Think of this +library as letting you have access to a small part of the overall history. So +if you go back farther than the history you own, you will just go back to some +other website! +-} +back : Int -> Cmd msg +back n = + command (Jump -n) + + +{-| Go forward some number of pages. So `forward 1` goes forward one page, and +`forward 2` goes forward two pages. If there are no more pages in the future, +this will do nothing. + +**Note:** You only manage the browser history that *you* created. Think of this +library as letting you have access to a small part of the overall history. So +if you go forward farther than the history you own, the user will end up on +whatever website they visited next! +-} +forward : Int -> Cmd msg +forward n = + command (Jump n) + + +{-| Leave the current page and load the given URL. **This always results in a +page load**, even if the provided URL is the same as the current one. + + load "http://elm-lang.org" + +Use [`newUrl`](#newUrl) and [`modifyUrl`](#modifyUrl) if you want to change +the URL without a page load. +-} +load : String -> Cmd msg +load url = + command (Visit url) + + +{-| Reload the current page. **This always results in a page load!** +This may grab resources from the browser cache, so use +[`reloadAndSkipCache`](reloadAndSkipCache) if you want to be sure +that you are not loading any cached resources. +-} +reload : Cmd msg +reload = + command (Reload False) + + +{-| Reload the current page without using the browser cache. **This always +results in a page load!** It is more common to want [`reload`](reload). +-} +reloadAndSkipCache : Cmd msg +reloadAndSkipCache = + command (Reload True) + + + +-- CHANGE HISTORY + + +{-| Step to a new URL. This will add a new entry to the browser history. + +**Note:** If the user has gone `back` a few pages, there will be “future +pages” that the user can go `forward` to. Adding a new URL in that +scenario will clear out any future pages. It is like going back in time and +making a different choice. +-} +newUrl : String -> Cmd msg +newUrl url = + command (New url) + + +{-| Modify the current URL. This *will not* add a new entry to the browser +history. It just changes the one you are on right now. +-} +modifyUrl : String -> Cmd msg +modifyUrl url = + command (Modify url) + + + +-- LOCATION + + +{-| A bunch of information about the address bar. + +**Note 1:** Almost everyone will want to use a URL parsing library like +[`evancz/url-parser`][parse] to turn a `Location` into something more useful +in your `update` function. + +[parse]: https://github.com/evancz/url-parser + +**Note 2:** These fields correspond exactly with the fields of `document.location` +as described [here](https://developer.mozilla.org/en-US/docs/Web/API/Location). +-} +type alias Location = + { href : String + , host : String + , hostname : String + , protocol : String + , origin : String + , port_ : String + , pathname : String + , search : String + , hash : String + , username : String + , password : String + } + + +-- EFFECT MANAGER + + +type MyCmd msg + = Jump Int + | New String + | Modify String + | Visit String + | Reload Bool + + +cmdMap : (a -> b) -> MyCmd a -> MyCmd b +cmdMap _ myCmd = + case myCmd of + Jump n -> + Jump n + + New url -> + New url + + Modify url -> + Modify url + + Visit url -> + Visit url + + Reload skipCache -> + Reload skipCache + + +type MySub msg = + Monitor (Location -> msg) + + +subMap : (a -> b) -> MySub a -> MySub b +subMap func (Monitor tagger) = + Monitor (tagger >> func) + + + +-- STATE + + +type alias State msg = + { subs : List (MySub msg) + , popWatcher : Maybe PopWatcher + } + + +type PopWatcher + = Normal Process.Id + | InternetExplorer Process.Id Process.Id + + + +-- INIT + + +init : Task Never (State msg) +init = + Task.succeed (State [] Nothing) + + + +-- SELF MESSAGES + + +onSelfMsg : Platform.Router msg Location -> Location -> State msg -> Task Never (State msg) +onSelfMsg router location state = + notify router state.subs location + &> Task.succeed state + + +(&>) task1 task2 = + Task.andThen (\_ -> task2) task1 + + + +-- APP MESSAGES + + +onEffects : Platform.Router msg Location -> List (MyCmd msg) -> List (MySub msg) -> State msg -> Task Never (State msg) +onEffects router cmds subs {popWatcher} = + let + stepState = + case (subs, popWatcher) of + ([], Just watcher) -> + killPopWatcher watcher + &> Task.succeed (State subs Nothing) + + (_ :: _, Nothing) -> + Task.map (State subs << Just) (spawnPopWatcher router) + + (_, _) -> + Task.succeed (State subs popWatcher) + + in + Task.sequence (List.map (cmdHelp router subs) cmds) + &> stepState + + +cmdHelp : Platform.Router msg Location -> List (MySub msg) -> MyCmd msg -> Task Never () +cmdHelp router subs cmd = + case cmd of + Jump n -> + go n + + New url -> + pushState url + |> Task.andThen (notify router subs) + + Modify url -> + replaceState url + |> Task.andThen (notify router subs) + + Visit url -> + setLocation url + + Reload skipCache -> + reloadPage skipCache + + + +notify : Platform.Router msg Location -> List (MySub msg) -> Location -> Task x () +notify router subs location = + let + send (Monitor tagger) = + Platform.sendToApp router (tagger location) + in + Task.sequence (List.map send subs) + &> Task.succeed () + + +setLocation : String -> Task x () +setLocation = + Native.Navigation.setLocation + + +reloadPage : Bool -> Task x () +reloadPage = + Native.Navigation.reloadPage + + +go : Int -> Task x () +go = + Native.Navigation.go + + +pushState : String -> Task x Location +pushState = + Native.Navigation.pushState + + +replaceState : String -> Task x Location +replaceState = + Native.Navigation.replaceState + + + +-- POP WATCHER STUFF + + +spawnPopWatcher : Platform.Router msg Location -> Task x PopWatcher +spawnPopWatcher router = + let + reportLocation _ = + Platform.sendToSelf router (Native.Navigation.getLocation ()) + in + if Native.Navigation.isInternetExplorer11 () then + Task.map2 InternetExplorer + (Process.spawn (onWindow "popstate" Json.value reportLocation)) + (Process.spawn (onWindow "hashchange" Json.value reportLocation)) + + else + Task.map Normal <| + Process.spawn (onWindow "popstate" Json.value reportLocation) + + + +killPopWatcher : PopWatcher -> Task x () +killPopWatcher popWatcher = + case popWatcher of + Normal pid -> + Process.kill pid + + InternetExplorer pid1 pid2 -> + Process.kill pid1 + &> Process.kill pid2 diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/.gitignore b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/.gitignore new file mode 100644 index 0000000..f6a4e83 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/.gitignore @@ -0,0 +1,3 @@ +node_modules +elm-stuff +tests/build diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/.travis.yml b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/.travis.yml new file mode 100644 index 0000000..d16a59a --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/.travis.yml @@ -0,0 +1,8 @@ +sudo: false +language: none +install: + - npm install --global elm@0.16.0 + - npm install + +script: + - ./tests/run-tests.sh \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/LICENSE b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/LICENSE new file mode 100644 index 0000000..0edfd04 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2016-present, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/README.md b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/README.md new file mode 100644 index 0000000..0ff727c --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/README.md @@ -0,0 +1,5 @@ +# Virtual DOM for Elm + +A virtual DOM implementation that backs Elm's core libraries for [HTML](http://package.elm-lang.org/packages/elm-lang/html/latest/) and [SVG](http://package.elm-lang.org/packages/elm-lang/svg/latest/). You should almost certainly use those higher-level libraries directly. + +It is pretty fast! You can read about that [here](http://elm-lang.org/blog/blazing-fast-html-round-two). diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/elm-package.json b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/elm-package.json new file mode 100644 index 0000000..353986f --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/elm-package.json @@ -0,0 +1,17 @@ +{ + "version": "2.0.4", + "summary": "Core virtual DOM implementation, basis for HTML and SVG libraries", + "repository": "https://github.com/elm-lang/virtual-dom.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "VirtualDom" + ], + "native-modules": true, + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/Native/Debug.js b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/Native/Debug.js new file mode 100644 index 0000000..729f171 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/Native/Debug.js @@ -0,0 +1,280 @@ +var _elm_lang$virtual_dom$Native_Debug = function() { + + +// IMPORT / EXPORT + +function unsafeCoerce(value) +{ + return value; +} + +var upload = _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) +{ + var element = document.createElement('input'); + element.setAttribute('type', 'file'); + element.setAttribute('accept', 'text/json'); + element.style.display = 'none'; + element.addEventListener('change', function(event) + { + var fileReader = new FileReader(); + fileReader.onload = function(e) + { + callback(_elm_lang$core$Native_Scheduler.succeed(e.target.result)); + }; + fileReader.readAsText(event.target.files[0]); + document.body.removeChild(element); + }); + document.body.appendChild(element); + element.click(); +}); + +function download(historyLength, json) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + var fileName = 'history-' + historyLength + '.txt'; + var jsonString = JSON.stringify(json); + var mime = 'text/plain;charset=utf-8'; + var done = _elm_lang$core$Native_Scheduler.succeed(_elm_lang$core$Native_Utils.Tuple0); + + // for IE10+ + if (navigator.msSaveBlob) + { + navigator.msSaveBlob(new Blob([jsonString], {type: mime}), fileName); + return callback(done); + } + + // for HTML5 + var element = document.createElement('a'); + element.setAttribute('href', 'data:' + mime + ',' + encodeURIComponent(jsonString)); + element.setAttribute('download', fileName); + element.style.display = 'none'; + document.body.appendChild(element); + element.click(); + document.body.removeChild(element); + callback(done); + }); +} + + +// POPOUT + +function messageToString(value) +{ + switch (typeof value) + { + case 'boolean': + return value ? 'True' : 'False'; + case 'number': + return value + ''; + case 'string': + return '"' + addSlashes(value, false) + '"'; + } + if (value instanceof String) + { + return '\'' + addSlashes(value, true) + '\''; + } + if (typeof value !== 'object' || value === null || !('ctor' in value)) + { + return '…'; + } + + var ctorStarter = value.ctor.substring(0, 5); + if (ctorStarter === '_Tupl' || ctorStarter === '_Task') + { + return '…' + } + if (['_Array', '', '_Process', '::', '[]', 'Set_elm_builtin', 'RBNode_elm_builtin', 'RBEmpty_elm_builtin'].indexOf(value.ctor) >= 0) + { + return '…'; + } + + var keys = Object.keys(value); + switch (keys.length) + { + case 1: + return value.ctor; + case 2: + return value.ctor + ' ' + messageToString(value._0); + default: + return value.ctor + ' … ' + messageToString(value[keys[keys.length - 1]]); + } +} + + +function primitive(str) +{ + return { ctor: 'Primitive', _0: str }; +} + + +function init(value) +{ + var type = typeof value; + + if (type === 'boolean') + { + return { + ctor: 'Constructor', + _0: _elm_lang$core$Maybe$Just(value ? 'True' : 'False'), + _1: true, + _2: _elm_lang$core$Native_List.Nil + }; + } + + if (type === 'number') + { + return primitive(value + ''); + } + + if (type === 'string') + { + return { ctor: 'S', _0: '"' + addSlashes(value, false) + '"' }; + } + + if (value instanceof String) + { + return { ctor: 'S', _0: "'" + addSlashes(value, true) + "'" }; + } + + if (value instanceof Date) + { + return primitive('<' + value.toString() + '>'); + } + + if (value === null) + { + return primitive('XXX'); + } + + if (type === 'object' && 'ctor' in value) + { + var ctor = value.ctor; + + if (ctor === '::' || ctor === '[]') + { + return { + ctor: 'Sequence', + _0: {ctor: 'ListSeq'}, + _1: true, + _2: A2(_elm_lang$core$List$map, init, value) + }; + } + + if (ctor === 'Set_elm_builtin') + { + return { + ctor: 'Sequence', + _0: {ctor: 'SetSeq'}, + _1: true, + _2: A3(_elm_lang$core$Set$foldr, initCons, _elm_lang$core$Native_List.Nil, value) + }; + } + + if (ctor === 'RBNode_elm_builtin' || ctor == 'RBEmpty_elm_builtin') + { + return { + ctor: 'Dictionary', + _0: true, + _1: A3(_elm_lang$core$Dict$foldr, initKeyValueCons, _elm_lang$core$Native_List.Nil, value) + }; + } + + if (ctor === '_Array') + { + return { + ctor: 'Sequence', + _0: {ctor: 'ArraySeq'}, + _1: true, + _2: A3(_elm_lang$core$Array$foldr, initCons, _elm_lang$core$Native_List.Nil, value) + }; + } + + var ctorStarter = value.ctor.substring(0, 5); + if (ctorStarter === '_Task') + { + return primitive(''); + } + + if (ctor === '') + { + return primitive(ctor); + } + + if (ctor === '_Process') + { + return primitive(''); + } + + var list = _elm_lang$core$Native_List.Nil; + for (var i in value) + { + if (i === 'ctor') continue; + list = _elm_lang$core$Native_List.Cons(init(value[i]), list); + } + return { + ctor: 'Constructor', + _0: ctorStarter === '_Tupl' ? _elm_lang$core$Maybe$Nothing : _elm_lang$core$Maybe$Just(ctor), + _1: true, + _2: _elm_lang$core$List$reverse(list) + }; + } + + if (type === 'object') + { + var dict = _elm_lang$core$Dict$empty; + for (var i in value) + { + dict = A3(_elm_lang$core$Dict$insert, i, init(value[i]), dict); + } + return { ctor: 'Record', _0: true, _1: dict }; + } + + return primitive('XXX'); +} + +var initCons = F2(initConsHelp); + +function initConsHelp(value, list) +{ + return _elm_lang$core$Native_List.Cons(init(value), list); +} + +var initKeyValueCons = F3(initKeyValueConsHelp); + +function initKeyValueConsHelp(key, value, list) +{ + return _elm_lang$core$Native_List.Cons( + _elm_lang$core$Native_Utils.Tuple2(init(key), init(value)), + list + ); +} + +function addSlashes(str, isChar) +{ + var s = str.replace(/\\/g, '\\\\') + .replace(/\n/g, '\\n') + .replace(/\t/g, '\\t') + .replace(/\r/g, '\\r') + .replace(/\v/g, '\\v') + .replace(/\0/g, '\\0'); + if (isChar) + { + return s.replace(/\'/g, '\\\''); + } + else + { + return s.replace(/\"/g, '\\"'); + } +} + + +return { + upload: upload, + download: F2(download), + unsafeCoerce: unsafeCoerce, + messageToString: messageToString, + init: init +} + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/Native/VirtualDom.js b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/Native/VirtualDom.js new file mode 100644 index 0000000..98d4750 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/Native/VirtualDom.js @@ -0,0 +1,1881 @@ +var _elm_lang$virtual_dom$VirtualDom_Debug$wrap; +var _elm_lang$virtual_dom$VirtualDom_Debug$wrapWithFlags; + +var _elm_lang$virtual_dom$Native_VirtualDom = function() { + +var STYLE_KEY = 'STYLE'; +var EVENT_KEY = 'EVENT'; +var ATTR_KEY = 'ATTR'; +var ATTR_NS_KEY = 'ATTR_NS'; + +var localDoc = typeof document !== 'undefined' ? document : {}; + + +//////////// VIRTUAL DOM NODES //////////// + + +function text(string) +{ + return { + type: 'text', + text: string + }; +} + + +function node(tag) +{ + return F2(function(factList, kidList) { + return nodeHelp(tag, factList, kidList); + }); +} + + +function nodeHelp(tag, factList, kidList) +{ + var organized = organizeFacts(factList); + var namespace = organized.namespace; + var facts = organized.facts; + + var children = []; + var descendantsCount = 0; + while (kidList.ctor !== '[]') + { + var kid = kidList._0; + descendantsCount += (kid.descendantsCount || 0); + children.push(kid); + kidList = kidList._1; + } + descendantsCount += children.length; + + return { + type: 'node', + tag: tag, + facts: facts, + children: children, + namespace: namespace, + descendantsCount: descendantsCount + }; +} + + +function keyedNode(tag, factList, kidList) +{ + var organized = organizeFacts(factList); + var namespace = organized.namespace; + var facts = organized.facts; + + var children = []; + var descendantsCount = 0; + while (kidList.ctor !== '[]') + { + var kid = kidList._0; + descendantsCount += (kid._1.descendantsCount || 0); + children.push(kid); + kidList = kidList._1; + } + descendantsCount += children.length; + + return { + type: 'keyed-node', + tag: tag, + facts: facts, + children: children, + namespace: namespace, + descendantsCount: descendantsCount + }; +} + + +function custom(factList, model, impl) +{ + var facts = organizeFacts(factList).facts; + + return { + type: 'custom', + facts: facts, + model: model, + impl: impl + }; +} + + +function map(tagger, node) +{ + return { + type: 'tagger', + tagger: tagger, + node: node, + descendantsCount: 1 + (node.descendantsCount || 0) + }; +} + + +function thunk(func, args, thunk) +{ + return { + type: 'thunk', + func: func, + args: args, + thunk: thunk, + node: undefined + }; +} + +function lazy(fn, a) +{ + return thunk(fn, [a], function() { + return fn(a); + }); +} + +function lazy2(fn, a, b) +{ + return thunk(fn, [a,b], function() { + return A2(fn, a, b); + }); +} + +function lazy3(fn, a, b, c) +{ + return thunk(fn, [a,b,c], function() { + return A3(fn, a, b, c); + }); +} + + + +// FACTS + + +function organizeFacts(factList) +{ + var namespace, facts = {}; + + while (factList.ctor !== '[]') + { + var entry = factList._0; + var key = entry.key; + + if (key === ATTR_KEY || key === ATTR_NS_KEY || key === EVENT_KEY) + { + var subFacts = facts[key] || {}; + subFacts[entry.realKey] = entry.value; + facts[key] = subFacts; + } + else if (key === STYLE_KEY) + { + var styles = facts[key] || {}; + var styleList = entry.value; + while (styleList.ctor !== '[]') + { + var style = styleList._0; + styles[style._0] = style._1; + styleList = styleList._1; + } + facts[key] = styles; + } + else if (key === 'namespace') + { + namespace = entry.value; + } + else if (key === 'className') + { + var classes = facts[key]; + facts[key] = typeof classes === 'undefined' + ? entry.value + : classes + ' ' + entry.value; + } + else + { + facts[key] = entry.value; + } + factList = factList._1; + } + + return { + facts: facts, + namespace: namespace + }; +} + + + +//////////// PROPERTIES AND ATTRIBUTES //////////// + + +function style(value) +{ + return { + key: STYLE_KEY, + value: value + }; +} + + +function property(key, value) +{ + return { + key: key, + value: value + }; +} + + +function attribute(key, value) +{ + return { + key: ATTR_KEY, + realKey: key, + value: value + }; +} + + +function attributeNS(namespace, key, value) +{ + return { + key: ATTR_NS_KEY, + realKey: key, + value: { + value: value, + namespace: namespace + } + }; +} + + +function on(name, options, decoder) +{ + return { + key: EVENT_KEY, + realKey: name, + value: { + options: options, + decoder: decoder + } + }; +} + + +function equalEvents(a, b) +{ + if (a.options !== b.options) + { + if (a.options.stopPropagation !== b.options.stopPropagation || a.options.preventDefault !== b.options.preventDefault) + { + return false; + } + } + return _elm_lang$core$Native_Json.equality(a.decoder, b.decoder); +} + + +function mapProperty(func, property) +{ + if (property.key !== EVENT_KEY) + { + return property; + } + return on( + property.realKey, + property.value.options, + A2(_elm_lang$core$Json_Decode$map, func, property.value.decoder) + ); +} + + +//////////// RENDER //////////// + + +function render(vNode, eventNode) +{ + switch (vNode.type) + { + case 'thunk': + if (!vNode.node) + { + vNode.node = vNode.thunk(); + } + return render(vNode.node, eventNode); + + case 'tagger': + var subNode = vNode.node; + var tagger = vNode.tagger; + + while (subNode.type === 'tagger') + { + typeof tagger !== 'object' + ? tagger = [tagger, subNode.tagger] + : tagger.push(subNode.tagger); + + subNode = subNode.node; + } + + var subEventRoot = { tagger: tagger, parent: eventNode }; + var domNode = render(subNode, subEventRoot); + domNode.elm_event_node_ref = subEventRoot; + return domNode; + + case 'text': + return localDoc.createTextNode(vNode.text); + + case 'node': + var domNode = vNode.namespace + ? localDoc.createElementNS(vNode.namespace, vNode.tag) + : localDoc.createElement(vNode.tag); + + applyFacts(domNode, eventNode, vNode.facts); + + var children = vNode.children; + + for (var i = 0; i < children.length; i++) + { + domNode.appendChild(render(children[i], eventNode)); + } + + return domNode; + + case 'keyed-node': + var domNode = vNode.namespace + ? localDoc.createElementNS(vNode.namespace, vNode.tag) + : localDoc.createElement(vNode.tag); + + applyFacts(domNode, eventNode, vNode.facts); + + var children = vNode.children; + + for (var i = 0; i < children.length; i++) + { + domNode.appendChild(render(children[i]._1, eventNode)); + } + + return domNode; + + case 'custom': + var domNode = vNode.impl.render(vNode.model); + applyFacts(domNode, eventNode, vNode.facts); + return domNode; + } +} + + + +//////////// APPLY FACTS //////////// + + +function applyFacts(domNode, eventNode, facts) +{ + for (var key in facts) + { + var value = facts[key]; + + switch (key) + { + case STYLE_KEY: + applyStyles(domNode, value); + break; + + case EVENT_KEY: + applyEvents(domNode, eventNode, value); + break; + + case ATTR_KEY: + applyAttrs(domNode, value); + break; + + case ATTR_NS_KEY: + applyAttrsNS(domNode, value); + break; + + case 'value': + if (domNode[key] !== value) + { + domNode[key] = value; + } + break; + + default: + domNode[key] = value; + break; + } + } +} + +function applyStyles(domNode, styles) +{ + var domNodeStyle = domNode.style; + + for (var key in styles) + { + domNodeStyle[key] = styles[key]; + } +} + +function applyEvents(domNode, eventNode, events) +{ + var allHandlers = domNode.elm_handlers || {}; + + for (var key in events) + { + var handler = allHandlers[key]; + var value = events[key]; + + if (typeof value === 'undefined') + { + domNode.removeEventListener(key, handler); + allHandlers[key] = undefined; + } + else if (typeof handler === 'undefined') + { + var handler = makeEventHandler(eventNode, value); + domNode.addEventListener(key, handler); + allHandlers[key] = handler; + } + else + { + handler.info = value; + } + } + + domNode.elm_handlers = allHandlers; +} + +function makeEventHandler(eventNode, info) +{ + function eventHandler(event) + { + var info = eventHandler.info; + + var value = A2(_elm_lang$core$Native_Json.run, info.decoder, event); + + if (value.ctor === 'Ok') + { + var options = info.options; + if (options.stopPropagation) + { + event.stopPropagation(); + } + if (options.preventDefault) + { + event.preventDefault(); + } + + var message = value._0; + + var currentEventNode = eventNode; + while (currentEventNode) + { + var tagger = currentEventNode.tagger; + if (typeof tagger === 'function') + { + message = tagger(message); + } + else + { + for (var i = tagger.length; i--; ) + { + message = tagger[i](message); + } + } + currentEventNode = currentEventNode.parent; + } + } + }; + + eventHandler.info = info; + + return eventHandler; +} + +function applyAttrs(domNode, attrs) +{ + for (var key in attrs) + { + var value = attrs[key]; + if (typeof value === 'undefined') + { + domNode.removeAttribute(key); + } + else + { + domNode.setAttribute(key, value); + } + } +} + +function applyAttrsNS(domNode, nsAttrs) +{ + for (var key in nsAttrs) + { + var pair = nsAttrs[key]; + var namespace = pair.namespace; + var value = pair.value; + + if (typeof value === 'undefined') + { + domNode.removeAttributeNS(namespace, key); + } + else + { + domNode.setAttributeNS(namespace, key, value); + } + } +} + + + +//////////// DIFF //////////// + + +function diff(a, b) +{ + var patches = []; + diffHelp(a, b, patches, 0); + return patches; +} + + +function makePatch(type, index, data) +{ + return { + index: index, + type: type, + data: data, + domNode: undefined, + eventNode: undefined + }; +} + + +function diffHelp(a, b, patches, index) +{ + if (a === b) + { + return; + } + + var aType = a.type; + var bType = b.type; + + // Bail if you run into different types of nodes. Implies that the + // structure has changed significantly and it's not worth a diff. + if (aType !== bType) + { + patches.push(makePatch('p-redraw', index, b)); + return; + } + + // Now we know that both nodes are the same type. + switch (bType) + { + case 'thunk': + var aArgs = a.args; + var bArgs = b.args; + var i = aArgs.length; + var same = a.func === b.func && i === bArgs.length; + while (same && i--) + { + same = aArgs[i] === bArgs[i]; + } + if (same) + { + b.node = a.node; + return; + } + b.node = b.thunk(); + var subPatches = []; + diffHelp(a.node, b.node, subPatches, 0); + if (subPatches.length > 0) + { + patches.push(makePatch('p-thunk', index, subPatches)); + } + return; + + case 'tagger': + // gather nested taggers + var aTaggers = a.tagger; + var bTaggers = b.tagger; + var nesting = false; + + var aSubNode = a.node; + while (aSubNode.type === 'tagger') + { + nesting = true; + + typeof aTaggers !== 'object' + ? aTaggers = [aTaggers, aSubNode.tagger] + : aTaggers.push(aSubNode.tagger); + + aSubNode = aSubNode.node; + } + + var bSubNode = b.node; + while (bSubNode.type === 'tagger') + { + nesting = true; + + typeof bTaggers !== 'object' + ? bTaggers = [bTaggers, bSubNode.tagger] + : bTaggers.push(bSubNode.tagger); + + bSubNode = bSubNode.node; + } + + // Just bail if different numbers of taggers. This implies the + // structure of the virtual DOM has changed. + if (nesting && aTaggers.length !== bTaggers.length) + { + patches.push(makePatch('p-redraw', index, b)); + return; + } + + // check if taggers are "the same" + if (nesting ? !pairwiseRefEqual(aTaggers, bTaggers) : aTaggers !== bTaggers) + { + patches.push(makePatch('p-tagger', index, bTaggers)); + } + + // diff everything below the taggers + diffHelp(aSubNode, bSubNode, patches, index + 1); + return; + + case 'text': + if (a.text !== b.text) + { + patches.push(makePatch('p-text', index, b.text)); + return; + } + + return; + + case 'node': + // Bail if obvious indicators have changed. Implies more serious + // structural changes such that it's not worth it to diff. + if (a.tag !== b.tag || a.namespace !== b.namespace) + { + patches.push(makePatch('p-redraw', index, b)); + return; + } + + var factsDiff = diffFacts(a.facts, b.facts); + + if (typeof factsDiff !== 'undefined') + { + patches.push(makePatch('p-facts', index, factsDiff)); + } + + diffChildren(a, b, patches, index); + return; + + case 'keyed-node': + // Bail if obvious indicators have changed. Implies more serious + // structural changes such that it's not worth it to diff. + if (a.tag !== b.tag || a.namespace !== b.namespace) + { + patches.push(makePatch('p-redraw', index, b)); + return; + } + + var factsDiff = diffFacts(a.facts, b.facts); + + if (typeof factsDiff !== 'undefined') + { + patches.push(makePatch('p-facts', index, factsDiff)); + } + + diffKeyedChildren(a, b, patches, index); + return; + + case 'custom': + if (a.impl !== b.impl) + { + patches.push(makePatch('p-redraw', index, b)); + return; + } + + var factsDiff = diffFacts(a.facts, b.facts); + if (typeof factsDiff !== 'undefined') + { + patches.push(makePatch('p-facts', index, factsDiff)); + } + + var patch = b.impl.diff(a,b); + if (patch) + { + patches.push(makePatch('p-custom', index, patch)); + return; + } + + return; + } +} + + +// assumes the incoming arrays are the same length +function pairwiseRefEqual(as, bs) +{ + for (var i = 0; i < as.length; i++) + { + if (as[i] !== bs[i]) + { + return false; + } + } + + return true; +} + + +// TODO Instead of creating a new diff object, it's possible to just test if +// there *is* a diff. During the actual patch, do the diff again and make the +// modifications directly. This way, there's no new allocations. Worth it? +function diffFacts(a, b, category) +{ + var diff; + + // look for changes and removals + for (var aKey in a) + { + if (aKey === STYLE_KEY || aKey === EVENT_KEY || aKey === ATTR_KEY || aKey === ATTR_NS_KEY) + { + var subDiff = diffFacts(a[aKey], b[aKey] || {}, aKey); + if (subDiff) + { + diff = diff || {}; + diff[aKey] = subDiff; + } + continue; + } + + // remove if not in the new facts + if (!(aKey in b)) + { + diff = diff || {}; + diff[aKey] = + (typeof category === 'undefined') + ? (typeof a[aKey] === 'string' ? '' : null) + : + (category === STYLE_KEY) + ? '' + : + (category === EVENT_KEY || category === ATTR_KEY) + ? undefined + : + { namespace: a[aKey].namespace, value: undefined }; + + continue; + } + + var aValue = a[aKey]; + var bValue = b[aKey]; + + // reference equal, so don't worry about it + if (aValue === bValue && aKey !== 'value' + || category === EVENT_KEY && equalEvents(aValue, bValue)) + { + continue; + } + + diff = diff || {}; + diff[aKey] = bValue; + } + + // add new stuff + for (var bKey in b) + { + if (!(bKey in a)) + { + diff = diff || {}; + diff[bKey] = b[bKey]; + } + } + + return diff; +} + + +function diffChildren(aParent, bParent, patches, rootIndex) +{ + var aChildren = aParent.children; + var bChildren = bParent.children; + + var aLen = aChildren.length; + var bLen = bChildren.length; + + // FIGURE OUT IF THERE ARE INSERTS OR REMOVALS + + if (aLen > bLen) + { + patches.push(makePatch('p-remove-last', rootIndex, aLen - bLen)); + } + else if (aLen < bLen) + { + patches.push(makePatch('p-append', rootIndex, bChildren.slice(aLen))); + } + + // PAIRWISE DIFF EVERYTHING ELSE + + var index = rootIndex; + var minLen = aLen < bLen ? aLen : bLen; + for (var i = 0; i < minLen; i++) + { + index++; + var aChild = aChildren[i]; + diffHelp(aChild, bChildren[i], patches, index); + index += aChild.descendantsCount || 0; + } +} + + + +//////////// KEYED DIFF //////////// + + +function diffKeyedChildren(aParent, bParent, patches, rootIndex) +{ + var localPatches = []; + + var changes = {}; // Dict String Entry + var inserts = []; // Array { index : Int, entry : Entry } + // type Entry = { tag : String, vnode : VNode, index : Int, data : _ } + + var aChildren = aParent.children; + var bChildren = bParent.children; + var aLen = aChildren.length; + var bLen = bChildren.length; + var aIndex = 0; + var bIndex = 0; + + var index = rootIndex; + + while (aIndex < aLen && bIndex < bLen) + { + var a = aChildren[aIndex]; + var b = bChildren[bIndex]; + + var aKey = a._0; + var bKey = b._0; + var aNode = a._1; + var bNode = b._1; + + // check if keys match + + if (aKey === bKey) + { + index++; + diffHelp(aNode, bNode, localPatches, index); + index += aNode.descendantsCount || 0; + + aIndex++; + bIndex++; + continue; + } + + // look ahead 1 to detect insertions and removals. + + var aLookAhead = aIndex + 1 < aLen; + var bLookAhead = bIndex + 1 < bLen; + + if (aLookAhead) + { + var aNext = aChildren[aIndex + 1]; + var aNextKey = aNext._0; + var aNextNode = aNext._1; + var oldMatch = bKey === aNextKey; + } + + if (bLookAhead) + { + var bNext = bChildren[bIndex + 1]; + var bNextKey = bNext._0; + var bNextNode = bNext._1; + var newMatch = aKey === bNextKey; + } + + + // swap a and b + if (aLookAhead && bLookAhead && newMatch && oldMatch) + { + index++; + diffHelp(aNode, bNextNode, localPatches, index); + insertNode(changes, localPatches, aKey, bNode, bIndex, inserts); + index += aNode.descendantsCount || 0; + + index++; + removeNode(changes, localPatches, aKey, aNextNode, index); + index += aNextNode.descendantsCount || 0; + + aIndex += 2; + bIndex += 2; + continue; + } + + // insert b + if (bLookAhead && newMatch) + { + index++; + insertNode(changes, localPatches, bKey, bNode, bIndex, inserts); + diffHelp(aNode, bNextNode, localPatches, index); + index += aNode.descendantsCount || 0; + + aIndex += 1; + bIndex += 2; + continue; + } + + // remove a + if (aLookAhead && oldMatch) + { + index++; + removeNode(changes, localPatches, aKey, aNode, index); + index += aNode.descendantsCount || 0; + + index++; + diffHelp(aNextNode, bNode, localPatches, index); + index += aNextNode.descendantsCount || 0; + + aIndex += 2; + bIndex += 1; + continue; + } + + // remove a, insert b + if (aLookAhead && bLookAhead && aNextKey === bNextKey) + { + index++; + removeNode(changes, localPatches, aKey, aNode, index); + insertNode(changes, localPatches, bKey, bNode, bIndex, inserts); + index += aNode.descendantsCount || 0; + + index++; + diffHelp(aNextNode, bNextNode, localPatches, index); + index += aNextNode.descendantsCount || 0; + + aIndex += 2; + bIndex += 2; + continue; + } + + break; + } + + // eat up any remaining nodes with removeNode and insertNode + + while (aIndex < aLen) + { + index++; + var a = aChildren[aIndex]; + var aNode = a._1; + removeNode(changes, localPatches, a._0, aNode, index); + index += aNode.descendantsCount || 0; + aIndex++; + } + + var endInserts; + while (bIndex < bLen) + { + endInserts = endInserts || []; + var b = bChildren[bIndex]; + insertNode(changes, localPatches, b._0, b._1, undefined, endInserts); + bIndex++; + } + + if (localPatches.length > 0 || inserts.length > 0 || typeof endInserts !== 'undefined') + { + patches.push(makePatch('p-reorder', rootIndex, { + patches: localPatches, + inserts: inserts, + endInserts: endInserts + })); + } +} + + + +//////////// CHANGES FROM KEYED DIFF //////////// + + +var POSTFIX = '_elmW6BL'; + + +function insertNode(changes, localPatches, key, vnode, bIndex, inserts) +{ + var entry = changes[key]; + + // never seen this key before + if (typeof entry === 'undefined') + { + entry = { + tag: 'insert', + vnode: vnode, + index: bIndex, + data: undefined + }; + + inserts.push({ index: bIndex, entry: entry }); + changes[key] = entry; + + return; + } + + // this key was removed earlier, a match! + if (entry.tag === 'remove') + { + inserts.push({ index: bIndex, entry: entry }); + + entry.tag = 'move'; + var subPatches = []; + diffHelp(entry.vnode, vnode, subPatches, entry.index); + entry.index = bIndex; + entry.data.data = { + patches: subPatches, + entry: entry + }; + + return; + } + + // this key has already been inserted or moved, a duplicate! + insertNode(changes, localPatches, key + POSTFIX, vnode, bIndex, inserts); +} + + +function removeNode(changes, localPatches, key, vnode, index) +{ + var entry = changes[key]; + + // never seen this key before + if (typeof entry === 'undefined') + { + var patch = makePatch('p-remove', index, undefined); + localPatches.push(patch); + + changes[key] = { + tag: 'remove', + vnode: vnode, + index: index, + data: patch + }; + + return; + } + + // this key was inserted earlier, a match! + if (entry.tag === 'insert') + { + entry.tag = 'move'; + var subPatches = []; + diffHelp(vnode, entry.vnode, subPatches, index); + + var patch = makePatch('p-remove', index, { + patches: subPatches, + entry: entry + }); + localPatches.push(patch); + + return; + } + + // this key has already been removed or moved, a duplicate! + removeNode(changes, localPatches, key + POSTFIX, vnode, index); +} + + + +//////////// ADD DOM NODES //////////// +// +// Each DOM node has an "index" assigned in order of traversal. It is important +// to minimize our crawl over the actual DOM, so these indexes (along with the +// descendantsCount of virtual nodes) let us skip touching entire subtrees of +// the DOM if we know there are no patches there. + + +function addDomNodes(domNode, vNode, patches, eventNode) +{ + addDomNodesHelp(domNode, vNode, patches, 0, 0, vNode.descendantsCount, eventNode); +} + + +// assumes `patches` is non-empty and indexes increase monotonically. +function addDomNodesHelp(domNode, vNode, patches, i, low, high, eventNode) +{ + var patch = patches[i]; + var index = patch.index; + + while (index === low) + { + var patchType = patch.type; + + if (patchType === 'p-thunk') + { + addDomNodes(domNode, vNode.node, patch.data, eventNode); + } + else if (patchType === 'p-reorder') + { + patch.domNode = domNode; + patch.eventNode = eventNode; + + var subPatches = patch.data.patches; + if (subPatches.length > 0) + { + addDomNodesHelp(domNode, vNode, subPatches, 0, low, high, eventNode); + } + } + else if (patchType === 'p-remove') + { + patch.domNode = domNode; + patch.eventNode = eventNode; + + var data = patch.data; + if (typeof data !== 'undefined') + { + data.entry.data = domNode; + var subPatches = data.patches; + if (subPatches.length > 0) + { + addDomNodesHelp(domNode, vNode, subPatches, 0, low, high, eventNode); + } + } + } + else + { + patch.domNode = domNode; + patch.eventNode = eventNode; + } + + i++; + + if (!(patch = patches[i]) || (index = patch.index) > high) + { + return i; + } + } + + switch (vNode.type) + { + case 'tagger': + var subNode = vNode.node; + + while (subNode.type === "tagger") + { + subNode = subNode.node; + } + + return addDomNodesHelp(domNode, subNode, patches, i, low + 1, high, domNode.elm_event_node_ref); + + case 'node': + var vChildren = vNode.children; + var childNodes = domNode.childNodes; + for (var j = 0; j < vChildren.length; j++) + { + low++; + var vChild = vChildren[j]; + var nextLow = low + (vChild.descendantsCount || 0); + if (low <= index && index <= nextLow) + { + i = addDomNodesHelp(childNodes[j], vChild, patches, i, low, nextLow, eventNode); + if (!(patch = patches[i]) || (index = patch.index) > high) + { + return i; + } + } + low = nextLow; + } + return i; + + case 'keyed-node': + var vChildren = vNode.children; + var childNodes = domNode.childNodes; + for (var j = 0; j < vChildren.length; j++) + { + low++; + var vChild = vChildren[j]._1; + var nextLow = low + (vChild.descendantsCount || 0); + if (low <= index && index <= nextLow) + { + i = addDomNodesHelp(childNodes[j], vChild, patches, i, low, nextLow, eventNode); + if (!(patch = patches[i]) || (index = patch.index) > high) + { + return i; + } + } + low = nextLow; + } + return i; + + case 'text': + case 'thunk': + throw new Error('should never traverse `text` or `thunk` nodes like this'); + } +} + + + +//////////// APPLY PATCHES //////////// + + +function applyPatches(rootDomNode, oldVirtualNode, patches, eventNode) +{ + if (patches.length === 0) + { + return rootDomNode; + } + + addDomNodes(rootDomNode, oldVirtualNode, patches, eventNode); + return applyPatchesHelp(rootDomNode, patches); +} + +function applyPatchesHelp(rootDomNode, patches) +{ + for (var i = 0; i < patches.length; i++) + { + var patch = patches[i]; + var localDomNode = patch.domNode + var newNode = applyPatch(localDomNode, patch); + if (localDomNode === rootDomNode) + { + rootDomNode = newNode; + } + } + return rootDomNode; +} + +function applyPatch(domNode, patch) +{ + switch (patch.type) + { + case 'p-redraw': + return applyPatchRedraw(domNode, patch.data, patch.eventNode); + + case 'p-facts': + applyFacts(domNode, patch.eventNode, patch.data); + return domNode; + + case 'p-text': + domNode.replaceData(0, domNode.length, patch.data); + return domNode; + + case 'p-thunk': + return applyPatchesHelp(domNode, patch.data); + + case 'p-tagger': + if (typeof domNode.elm_event_node_ref !== 'undefined') + { + domNode.elm_event_node_ref.tagger = patch.data; + } + else + { + domNode.elm_event_node_ref = { tagger: patch.data, parent: patch.eventNode }; + } + return domNode; + + case 'p-remove-last': + var i = patch.data; + while (i--) + { + domNode.removeChild(domNode.lastChild); + } + return domNode; + + case 'p-append': + var newNodes = patch.data; + for (var i = 0; i < newNodes.length; i++) + { + domNode.appendChild(render(newNodes[i], patch.eventNode)); + } + return domNode; + + case 'p-remove': + var data = patch.data; + if (typeof data === 'undefined') + { + domNode.parentNode.removeChild(domNode); + return domNode; + } + var entry = data.entry; + if (typeof entry.index !== 'undefined') + { + domNode.parentNode.removeChild(domNode); + } + entry.data = applyPatchesHelp(domNode, data.patches); + return domNode; + + case 'p-reorder': + return applyPatchReorder(domNode, patch); + + case 'p-custom': + var impl = patch.data; + return impl.applyPatch(domNode, impl.data); + + default: + throw new Error('Ran into an unknown patch!'); + } +} + + +function applyPatchRedraw(domNode, vNode, eventNode) +{ + var parentNode = domNode.parentNode; + var newNode = render(vNode, eventNode); + + if (typeof newNode.elm_event_node_ref === 'undefined') + { + newNode.elm_event_node_ref = domNode.elm_event_node_ref; + } + + if (parentNode && newNode !== domNode) + { + parentNode.replaceChild(newNode, domNode); + } + return newNode; +} + + +function applyPatchReorder(domNode, patch) +{ + var data = patch.data; + + // remove end inserts + var frag = applyPatchReorderEndInsertsHelp(data.endInserts, patch); + + // removals + domNode = applyPatchesHelp(domNode, data.patches); + + // inserts + var inserts = data.inserts; + for (var i = 0; i < inserts.length; i++) + { + var insert = inserts[i]; + var entry = insert.entry; + var node = entry.tag === 'move' + ? entry.data + : render(entry.vnode, patch.eventNode); + domNode.insertBefore(node, domNode.childNodes[insert.index]); + } + + // add end inserts + if (typeof frag !== 'undefined') + { + domNode.appendChild(frag); + } + + return domNode; +} + + +function applyPatchReorderEndInsertsHelp(endInserts, patch) +{ + if (typeof endInserts === 'undefined') + { + return; + } + + var frag = localDoc.createDocumentFragment(); + for (var i = 0; i < endInserts.length; i++) + { + var insert = endInserts[i]; + var entry = insert.entry; + frag.appendChild(entry.tag === 'move' + ? entry.data + : render(entry.vnode, patch.eventNode) + ); + } + return frag; +} + + +// PROGRAMS + +var program = makeProgram(checkNoFlags); +var programWithFlags = makeProgram(checkYesFlags); + +function makeProgram(flagChecker) +{ + return F2(function(debugWrap, impl) + { + return function(flagDecoder) + { + return function(object, moduleName, debugMetadata) + { + var checker = flagChecker(flagDecoder, moduleName); + if (typeof debugMetadata === 'undefined') + { + normalSetup(impl, object, moduleName, checker); + } + else + { + debugSetup(A2(debugWrap, debugMetadata, impl), object, moduleName, checker); + } + }; + }; + }); +} + +function staticProgram(vNode) +{ + var nothing = _elm_lang$core$Native_Utils.Tuple2( + _elm_lang$core$Native_Utils.Tuple0, + _elm_lang$core$Platform_Cmd$none + ); + return A2(program, _elm_lang$virtual_dom$VirtualDom_Debug$wrap, { + init: nothing, + view: function() { return vNode; }, + update: F2(function() { return nothing; }), + subscriptions: function() { return _elm_lang$core$Platform_Sub$none; } + })(); +} + + +// FLAG CHECKERS + +function checkNoFlags(flagDecoder, moduleName) +{ + return function(init, flags, domNode) + { + if (typeof flags === 'undefined') + { + return init; + } + + var errorMessage = + 'The `' + moduleName + '` module does not need flags.\n' + + 'Initialize it with no arguments and you should be all set!'; + + crash(errorMessage, domNode); + }; +} + +function checkYesFlags(flagDecoder, moduleName) +{ + return function(init, flags, domNode) + { + if (typeof flagDecoder === 'undefined') + { + var errorMessage = + 'Are you trying to sneak a Never value into Elm? Trickster!\n' + + 'It looks like ' + moduleName + '.main is defined with `programWithFlags` but has type `Program Never`.\n' + + 'Use `program` instead if you do not want flags.' + + crash(errorMessage, domNode); + } + + var result = A2(_elm_lang$core$Native_Json.run, flagDecoder, flags); + if (result.ctor === 'Ok') + { + return init(result._0); + } + + var errorMessage = + 'Trying to initialize the `' + moduleName + '` module with an unexpected flag.\n' + + 'I tried to convert it to an Elm value, but ran into this problem:\n\n' + + result._0; + + crash(errorMessage, domNode); + }; +} + +function crash(errorMessage, domNode) +{ + if (domNode) + { + domNode.innerHTML = + '
' + + '

Oops! Something went wrong when starting your Elm program.

' + + '
' + errorMessage + '
' + + '
'; + } + + throw new Error(errorMessage); +} + + +// NORMAL SETUP + +function normalSetup(impl, object, moduleName, flagChecker) +{ + object['embed'] = function embed(node, flags) + { + while (node.lastChild) + { + node.removeChild(node.lastChild); + } + + return _elm_lang$core$Native_Platform.initialize( + flagChecker(impl.init, flags, node), + impl.update, + impl.subscriptions, + normalRenderer(node, impl.view) + ); + }; + + object['fullscreen'] = function fullscreen(flags) + { + return _elm_lang$core$Native_Platform.initialize( + flagChecker(impl.init, flags, document.body), + impl.update, + impl.subscriptions, + normalRenderer(document.body, impl.view) + ); + }; +} + +function normalRenderer(parentNode, view) +{ + return function(tagger, initialModel) + { + var eventNode = { tagger: tagger, parent: undefined }; + var initialVirtualNode = view(initialModel); + var domNode = render(initialVirtualNode, eventNode); + parentNode.appendChild(domNode); + return makeStepper(domNode, view, initialVirtualNode, eventNode); + }; +} + + +// STEPPER + +var rAF = + typeof requestAnimationFrame !== 'undefined' + ? requestAnimationFrame + : function(callback) { setTimeout(callback, 1000 / 60); }; + +function makeStepper(domNode, view, initialVirtualNode, eventNode) +{ + var state = 'NO_REQUEST'; + var currNode = initialVirtualNode; + var nextModel; + + function updateIfNeeded() + { + switch (state) + { + case 'NO_REQUEST': + throw new Error( + 'Unexpected draw callback.\n' + + 'Please report this to .' + ); + + case 'PENDING_REQUEST': + rAF(updateIfNeeded); + state = 'EXTRA_REQUEST'; + + var nextNode = view(nextModel); + var patches = diff(currNode, nextNode); + domNode = applyPatches(domNode, currNode, patches, eventNode); + currNode = nextNode; + + return; + + case 'EXTRA_REQUEST': + state = 'NO_REQUEST'; + return; + } + } + + return function stepper(model) + { + if (state === 'NO_REQUEST') + { + rAF(updateIfNeeded); + } + state = 'PENDING_REQUEST'; + nextModel = model; + }; +} + + +// DEBUG SETUP + +function debugSetup(impl, object, moduleName, flagChecker) +{ + object['fullscreen'] = function fullscreen(flags) + { + var popoutRef = { doc: undefined }; + return _elm_lang$core$Native_Platform.initialize( + flagChecker(impl.init, flags, document.body), + impl.update(scrollTask(popoutRef)), + impl.subscriptions, + debugRenderer(moduleName, document.body, popoutRef, impl.view, impl.viewIn, impl.viewOut) + ); + }; + + object['embed'] = function fullscreen(node, flags) + { + var popoutRef = { doc: undefined }; + return _elm_lang$core$Native_Platform.initialize( + flagChecker(impl.init, flags, node), + impl.update(scrollTask(popoutRef)), + impl.subscriptions, + debugRenderer(moduleName, node, popoutRef, impl.view, impl.viewIn, impl.viewOut) + ); + }; +} + +function scrollTask(popoutRef) +{ + return _elm_lang$core$Native_Scheduler.nativeBinding(function(callback) + { + var doc = popoutRef.doc; + if (doc) + { + var msgs = doc.getElementsByClassName('debugger-sidebar-messages')[0]; + if (msgs) + { + msgs.scrollTop = msgs.scrollHeight; + } + } + callback(_elm_lang$core$Native_Scheduler.succeed(_elm_lang$core$Native_Utils.Tuple0)); + }); +} + + +function debugRenderer(moduleName, parentNode, popoutRef, view, viewIn, viewOut) +{ + return function(tagger, initialModel) + { + var appEventNode = { tagger: tagger, parent: undefined }; + var eventNode = { tagger: tagger, parent: undefined }; + + // make normal stepper + var appVirtualNode = view(initialModel); + var appNode = render(appVirtualNode, appEventNode); + parentNode.appendChild(appNode); + var appStepper = makeStepper(appNode, view, appVirtualNode, appEventNode); + + // make overlay stepper + var overVirtualNode = viewIn(initialModel)._1; + var overNode = render(overVirtualNode, eventNode); + parentNode.appendChild(overNode); + var wrappedViewIn = wrapViewIn(appEventNode, overNode, viewIn); + var overStepper = makeStepper(overNode, wrappedViewIn, overVirtualNode, eventNode); + + // make debugger stepper + var debugStepper = makeDebugStepper(initialModel, viewOut, eventNode, parentNode, moduleName, popoutRef); + + return function stepper(model) + { + appStepper(model); + overStepper(model); + debugStepper(model); + } + }; +} + +function makeDebugStepper(initialModel, view, eventNode, parentNode, moduleName, popoutRef) +{ + var curr; + var domNode; + + return function stepper(model) + { + if (!model.isDebuggerOpen) + { + return; + } + + if (!popoutRef.doc) + { + curr = view(model); + domNode = openDebugWindow(moduleName, popoutRef, curr, eventNode); + return; + } + + // switch to document of popout + localDoc = popoutRef.doc; + + var next = view(model); + var patches = diff(curr, next); + domNode = applyPatches(domNode, curr, patches, eventNode); + curr = next; + + // switch back to normal document + localDoc = document; + }; +} + +function openDebugWindow(moduleName, popoutRef, virtualNode, eventNode) +{ + var w = 900; + var h = 360; + var x = screen.width - w; + var y = screen.height - h; + var debugWindow = window.open('', '', 'width=' + w + ',height=' + h + ',left=' + x + ',top=' + y); + + // switch to window document + localDoc = debugWindow.document; + + popoutRef.doc = localDoc; + localDoc.title = 'Debugger - ' + moduleName; + localDoc.body.style.margin = '0'; + localDoc.body.style.padding = '0'; + var domNode = render(virtualNode, eventNode); + localDoc.body.appendChild(domNode); + + localDoc.addEventListener('keydown', function(event) { + if (event.metaKey && event.which === 82) + { + window.location.reload(); + } + if (event.which === 38) + { + eventNode.tagger({ ctor: 'Up' }); + event.preventDefault(); + } + if (event.which === 40) + { + eventNode.tagger({ ctor: 'Down' }); + event.preventDefault(); + } + }); + + function close() + { + popoutRef.doc = undefined; + debugWindow.close(); + } + window.addEventListener('unload', close); + debugWindow.addEventListener('unload', function() { + popoutRef.doc = undefined; + window.removeEventListener('unload', close); + eventNode.tagger({ ctor: 'Close' }); + }); + + // switch back to the normal document + localDoc = document; + + return domNode; +} + + +// BLOCK EVENTS + +function wrapViewIn(appEventNode, overlayNode, viewIn) +{ + var ignorer = makeIgnorer(overlayNode); + var blocking = 'Normal'; + var overflow; + + var normalTagger = appEventNode.tagger; + var blockTagger = function() {}; + + return function(model) + { + var tuple = viewIn(model); + var newBlocking = tuple._0.ctor; + appEventNode.tagger = newBlocking === 'Normal' ? normalTagger : blockTagger; + if (blocking !== newBlocking) + { + traverse('removeEventListener', ignorer, blocking); + traverse('addEventListener', ignorer, newBlocking); + + if (blocking === 'Normal') + { + overflow = document.body.style.overflow; + document.body.style.overflow = 'hidden'; + } + + if (newBlocking === 'Normal') + { + document.body.style.overflow = overflow; + } + + blocking = newBlocking; + } + return tuple._1; + } +} + +function traverse(verbEventListener, ignorer, blocking) +{ + switch(blocking) + { + case 'Normal': + return; + + case 'Pause': + return traverseHelp(verbEventListener, ignorer, mostEvents); + + case 'Message': + return traverseHelp(verbEventListener, ignorer, allEvents); + } +} + +function traverseHelp(verbEventListener, handler, eventNames) +{ + for (var i = 0; i < eventNames.length; i++) + { + document.body[verbEventListener](eventNames[i], handler, true); + } +} + +function makeIgnorer(overlayNode) +{ + return function(event) + { + if (event.type === 'keydown' && event.metaKey && event.which === 82) + { + return; + } + + var isScroll = event.type === 'scroll' || event.type === 'wheel'; + + var node = event.target; + while (node !== null) + { + if (node.className === 'elm-overlay-message-details' && isScroll) + { + return; + } + + if (node === overlayNode && !isScroll) + { + return; + } + node = node.parentNode; + } + + event.stopPropagation(); + event.preventDefault(); + } +} + +var mostEvents = [ + 'click', 'dblclick', 'mousemove', + 'mouseup', 'mousedown', 'mouseenter', 'mouseleave', + 'touchstart', 'touchend', 'touchcancel', 'touchmove', + 'pointerdown', 'pointerup', 'pointerover', 'pointerout', + 'pointerenter', 'pointerleave', 'pointermove', 'pointercancel', + 'dragstart', 'drag', 'dragend', 'dragenter', 'dragover', 'dragleave', 'drop', + 'keyup', 'keydown', 'keypress', + 'input', 'change', + 'focus', 'blur' +]; + +var allEvents = mostEvents.concat('wheel', 'scroll'); + + +return { + node: node, + text: text, + custom: custom, + map: F2(map), + + on: F3(on), + style: style, + property: F2(property), + attribute: F2(attribute), + attributeNS: F3(attributeNS), + mapProperty: F2(mapProperty), + + lazy: F2(lazy), + lazy2: F3(lazy2), + lazy3: F4(lazy3), + keyedNode: F3(keyedNode), + + program: program, + programWithFlags: programWithFlags, + staticProgram: staticProgram +}; + +}(); diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom.elm new file mode 100644 index 0000000..ac28926 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom.elm @@ -0,0 +1,331 @@ +module VirtualDom exposing + ( Node + , text, node + , Property, property, attribute, attributeNS, mapProperty + , style + , on, onWithOptions, Options, defaultOptions + , map + , lazy, lazy2, lazy3 + , keyedNode + , program, programWithFlags + ) + +{-| API to the core diffing algorithm. Can serve as a foundation for libraries +that expose more helper functions for HTML or SVG. + +# Create +@docs Node, text, node + +# Declare Properties and Attributes +@docs Property, property, attribute, attributeNS, mapProperty + +# Styles +@docs style + +# Events +@docs on, onWithOptions, Options, defaultOptions + +# Routing Messages +@docs map + +# Optimizations +@docs lazy, lazy2, lazy3, keyedNode + +# Programs +@docs program, programWithFlags + +-} + +import Json.Decode as Json +import Native.VirtualDom +import VirtualDom.Debug as Debug + + +{-| An immutable chunk of data representing a DOM node. This can be HTML or SVG. +-} +type Node msg = Node + + +{-| Create a DOM node with a tag name, a list of HTML properties that can +include styles and event listeners, a list of CSS properties like `color`, and +a list of child nodes. + + import Json.Encode as Json + + hello : Node msg + hello = + node "div" [] [ text "Hello!" ] + + greeting : Node msg + greeting = + node "div" + [ property "id" (Json.string "greeting") ] + [ text "Hello!" ] +-} +node : String -> List (Property msg) -> List (Node msg) -> Node msg +node = + Native.VirtualDom.node + + +{-| Just put plain text in the DOM. It will escape the string so that it appears +exactly as you specify. + + text "Hello World!" +-} +text : String -> Node msg +text = + Native.VirtualDom.text + + +{-| This function is useful when nesting components with [the Elm +Architecture](https://github.com/evancz/elm-architecture-tutorial/). It lets +you transform the messages produced by a subtree. + +Say you have a node named `button` that produces `()` values when it is +clicked. To get your model updating properly, you will probably want to tag +this `()` value like this: + + type Msg = Click | ... + + update msg model = + case msg of + Click -> + ... + + view model = + map (\_ -> Click) button + +So now all the events produced by `button` will be transformed to be of type +`Msg` so they can be handled by your update function! +-} +map : (a -> msg) -> Node a -> Node msg +map = + Native.VirtualDom.map + + + +-- PROPERTIES + + +{-| When using HTML and JS, there are two ways to specify parts of a DOM node. + + 1. Attributes — You can set things in HTML itself. So the `class` + in `
` is called an *attribute*. + + 2. Properties — You can also set things in JS. So the `className` + in `div.className = 'greeting'` is called a *property*. + +So the `class` attribute corresponds to the `className` property. At first +glance, perhaps this distinction is defensible, but it gets much crazier. +*There is not always a one-to-one mapping between attributes and properties!* +Yes, that is a true fact. Sometimes an attribute exists, but there is no +corresponding property. Sometimes changing an attribute does not change the +underlying property. For example, as of this writing, the `webkit-playsinline` +attribute can be used in HTML, but there is no corresponding property! +-} +type Property msg = Property + + +{-| Create arbitrary *properties*. + + import JavaScript.Encode as Json + + greeting : Html + greeting = + node "div" [ property "className" (Json.string "greeting") ] [ + text "Hello!" + ] + +Notice that you must give the *property* name, so we use `className` as it +would be in JavaScript, not `class` as it would appear in HTML. +-} +property : String -> Json.Value -> Property msg +property = + Native.VirtualDom.property + + +{-| Create arbitrary HTML *attributes*. Maps onto JavaScript’s `setAttribute` +function under the hood. + + greeting : Html + greeting = + node "div" [ attribute "class" "greeting" ] [ + text "Hello!" + ] + +Notice that you must give the *attribute* name, so we use `class` as it would +be in HTML, not `className` as it would appear in JS. +-} +attribute : String -> String -> Property msg +attribute = + Native.VirtualDom.attribute + + +{-| Would you believe that there is another way to do this?! This corresponds +to JavaScript's `setAttributeNS` function under the hood. It is doing pretty +much the same thing as `attribute` but you are able to have "namespaced" +attributes. This is used in some SVG stuff at least. +-} +attributeNS : String -> String -> String -> Property msg +attributeNS = + Native.VirtualDom.attributeNS + + +{-| Transform the messages produced by a `Property`. +-} +mapProperty : (a -> b) -> Property a -> Property b +mapProperty = + Native.VirtualDom.mapProperty + + +{-| Specify a list of styles. + + myStyle : Property msg + myStyle = + style + [ ("backgroundColor", "red") + , ("height", "90px") + , ("width", "100%") + ] + + greeting : Node msg + greeting = + node "div" [ myStyle ] [ text "Hello!" ] + +-} +style : List (String, String) -> Property msg +style = + Native.VirtualDom.style + + + +-- EVENTS + + +{-| Create a custom event listener. + + import Json.Decode as Json + + onClick : msg -> Property msg + onClick msg = + on "click" (Json.succeed msg) + +You first specify the name of the event in the same format as with JavaScript’s +`addEventListener`. Next you give a JSON decoder, which lets you pull +information out of the event object. If the decoder succeeds, it will produce +a message and route it to your `update` function. +-} +on : String -> Json.Decoder msg -> Property msg +on eventName decoder = + onWithOptions eventName defaultOptions decoder + + +{-| Same as `on` but you can set a few options. +-} +onWithOptions : String -> Options -> Json.Decoder msg -> Property msg +onWithOptions = + Native.VirtualDom.on + + +{-| Options for an event listener. If `stopPropagation` is true, it means the +event stops traveling through the DOM so it will not trigger any other event +listeners. If `preventDefault` is true, any built-in browser behavior related +to the event is prevented. For example, this is used with touch events when you +want to treat them as gestures of your own, not as scrolls. +-} +type alias Options = + { stopPropagation : Bool + , preventDefault : Bool + } + + +{-| Everything is `False` by default. + + defaultOptions = + { stopPropagation = False + , preventDefault = False + } +-} +defaultOptions : Options +defaultOptions = + { stopPropagation = False + , preventDefault = False + } + + + +-- OPTIMIZATION + + +{-| A performance optimization that delays the building of virtual DOM nodes. + +Calling `(view model)` will definitely build some virtual DOM, perhaps a lot of +it. Calling `(lazy view model)` delays the call until later. During diffing, we +can check to see if `model` is referentially equal to the previous value used, +and if so, we just stop. No need to build up the tree structure and diff it, +we know if the input to `view` is the same, the output must be the same! +-} +lazy : (a -> Node msg) -> a -> Node msg +lazy = + Native.VirtualDom.lazy + + +{-| Same as `lazy` but checks on two arguments. +-} +lazy2 : (a -> b -> Node msg) -> a -> b -> Node msg +lazy2 = + Native.VirtualDom.lazy2 + + +{-| Same as `lazy` but checks on three arguments. +-} +lazy3 : (a -> b -> c -> Node msg) -> a -> b -> c -> Node msg +lazy3 = + Native.VirtualDom.lazy3 + + +{-| Works just like `node`, but you add a unique identifier to each child +node. You want this when you have a list of nodes that is changing: adding +nodes, removing nodes, etc. In these cases, the unique identifiers help make +the DOM modifications more efficient. +-} +keyedNode : String -> List (Property msg) -> List ( String, Node msg ) -> Node msg +keyedNode = + Native.VirtualDom.keyedNode + + + +-- PROGRAMS + + +{-| Check out the docs for [`Html.App.program`][prog]. +It works exactly the same way. + +[prog]: http://package.elm-lang.org/packages/elm-lang/html/latest/Html-App#program +-} +program + : { init : (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , subscriptions : model -> Sub msg + , view : model -> Node msg + } + -> Program Never model msg +program impl = + Native.VirtualDom.program Debug.wrap impl + + +{-| Check out the docs for [`Html.App.programWithFlags`][prog]. +It works exactly the same way. + +[prog]: http://package.elm-lang.org/packages/elm-lang/html/latest/Html-App#programWithFlags +-} +programWithFlags + : { init : flags -> (model, Cmd msg) + , update : msg -> model -> (model, Cmd msg) + , subscriptions : model -> Sub msg + , view : model -> Node msg + } + -> Program flags model msg +programWithFlags impl = + Native.VirtualDom.programWithFlags Debug.wrapWithFlags impl + diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Debug.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Debug.elm new file mode 100644 index 0000000..ba7afe5 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Debug.elm @@ -0,0 +1,567 @@ +module VirtualDom.Debug exposing (wrap, wrapWithFlags) + +import Json.Decode as Decode +import Json.Encode as Encode +import Task exposing (Task) +import Native.Debug +import Native.VirtualDom +import VirtualDom.Expando as Expando exposing (Expando) +import VirtualDom.Helpers as VDom exposing (Node) +import VirtualDom.History as History exposing (History) +import VirtualDom.Metadata as Metadata exposing (Metadata) +import VirtualDom.Overlay as Overlay +import VirtualDom.Report as Report + + + +-- WRAP PROGRAMS + + +wrap metadata { init, update, subscriptions, view } = + { init = wrapInit metadata init + , view = wrapView view + , update = wrapUpdate update + , viewIn = viewIn + , viewOut = viewOut + , subscriptions = wrapSubs subscriptions + } + + +wrapWithFlags metadata { init, update, subscriptions, view } = + { init = \flags -> wrapInit metadata (init flags) + , view = wrapView view + , update = wrapUpdate update + , viewIn = viewIn + , viewOut = viewOut + , subscriptions = wrapSubs subscriptions + } + + + +-- MODEL + + +type alias Model model msg = + { history : History model msg + , state : State model + , expando : Expando + , metadata : Result Metadata.Error Metadata + , overlay : Overlay.State + , isDebuggerOpen : Bool + } + + +type State model + = Running model + | Paused Int model model + + +wrapInit : Encode.Value -> ( model, Cmd msg ) -> ( Model model msg, Cmd (Msg msg) ) +wrapInit metadata ( userModel, userCommands ) = + { history = History.empty userModel + , state = Running userModel + , expando = Expando.init userModel + , metadata = Metadata.decode metadata + , overlay = Overlay.none + , isDebuggerOpen = False + } + ! [ Cmd.map UserMsg userCommands ] + + + +-- UPDATE + + +type Msg msg + = NoOp + | UserMsg msg + | ExpandoMsg Expando.Msg + | Resume + | Jump Int + | Open + | Close + | Up + | Down + | Import + | Export + | Upload String + | OverlayMsg Overlay.Msg + + +type alias UserUpdate model msg = + msg -> model -> ( model, Cmd msg ) + + +wrapUpdate + : UserUpdate model msg + -> Task Never () + -> Msg msg + -> Model model msg + -> (Model model msg, Cmd (Msg msg)) +wrapUpdate userUpdate scrollTask msg model = + case msg of + NoOp -> + model ! [] + + UserMsg userMsg -> + updateUserMsg userUpdate scrollTask userMsg model + + ExpandoMsg eMsg -> + { model + | expando = Expando.update eMsg model.expando + } + ! [] + + Resume -> + case model.state of + Running _ -> + model ! [] + + Paused _ _ userModel -> + { model + | state = Running userModel + , expando = Expando.merge userModel model.expando + } + ! [ runIf model.isDebuggerOpen scrollTask ] + + Jump index -> + let + (indexModel, indexMsg) = + History.get userUpdate index model.history + in + { model + | state = Paused index indexModel (getLatestModel model.state) + , expando = Expando.merge indexModel model.expando + } + ! [] + + Open -> + { model | isDebuggerOpen = True } ! [] + + Close -> + { model | isDebuggerOpen = False } ! [] + + Up -> + let + index = + case model.state of + Paused index _ _ -> + index + + Running _ -> + History.size model.history + in + if index > 0 then + wrapUpdate userUpdate scrollTask (Jump (index - 1)) model + else + model ! [] + + Down -> + case model.state of + Running _ -> + model ! [] + + Paused index _ userModel -> + if index == History.size model.history - 1 then + wrapUpdate userUpdate scrollTask Resume model + else + wrapUpdate userUpdate scrollTask (Jump (index + 1)) model + + Import -> + withGoodMetadata model <| \_ -> + model ! [ upload ] + + Export -> + withGoodMetadata model <| \metadata -> + model ! [ download metadata model.history ] + + Upload jsonString -> + withGoodMetadata model <| \metadata -> + case Overlay.assessImport metadata jsonString of + Err newOverlay -> + { model | overlay = newOverlay } ! [] + + Ok rawHistory -> + loadNewHistory rawHistory userUpdate model + + OverlayMsg overlayMsg -> + case Overlay.close overlayMsg model.overlay of + Nothing -> + { model | overlay = Overlay.none } ! [] + + Just rawHistory -> + loadNewHistory rawHistory userUpdate model + + + +-- COMMANDS + + +upload : Cmd (Msg msg) +upload = + Task.perform Upload Native.Debug.upload + + +download : Metadata -> History model msg -> Cmd (Msg msg) +download metadata history = + let + historyLength = + History.size history + + json = + Encode.object + [ ("metadata", Metadata.encode metadata) + , ("history", History.encode history) + ] + in + Task.perform (\_ -> NoOp) (Native.Debug.download historyLength json) + + + +-- UPDATE OVERLAY + + +withGoodMetadata + : Model model msg + -> (Metadata -> (Model model msg, Cmd (Msg msg))) + -> (Model model msg, Cmd (Msg msg)) +withGoodMetadata model func = + case model.metadata of + Ok metadata -> + func metadata + + Err error -> + { model | overlay = Overlay.badMetadata error } ! [] + + +loadNewHistory + : Encode.Value + -> UserUpdate model msg + -> Model model msg + -> ( Model model msg, Cmd (Msg msg) ) +loadNewHistory rawHistory userUpdate model = + let + initialUserModel = + History.initialModel model.history + + pureUserUpdate msg userModel = + Tuple.first (userUpdate msg userModel) + + decoder = + History.decoder initialUserModel pureUserUpdate + in + case Decode.decodeValue decoder rawHistory of + Err _ -> + { model | overlay = Overlay.corruptImport } ! [] + + Ok (latestUserModel, newHistory) -> + { model + | history = newHistory + , state = Running latestUserModel + , expando = Expando.init latestUserModel + , overlay = Overlay.none + } + ! [] + + + +-- UPDATE - USER MESSAGES + + +updateUserMsg + : UserUpdate model msg + -> Task Never () + -> msg + -> Model model msg + -> (Model model msg, Cmd (Msg msg)) +updateUserMsg userUpdate scrollTask userMsg ({ history, state, expando } as model) = + let + userModel = + getLatestModel state + + newHistory = + History.add userMsg userModel history + + (newUserModel, userCmds) = + userUpdate userMsg userModel + + commands = + Cmd.map UserMsg userCmds + in + case state of + Running _ -> + { model + | history = newHistory + , state = Running newUserModel + , expando = Expando.merge newUserModel expando + } + ! [ commands, runIf model.isDebuggerOpen scrollTask ] + + Paused index indexModel _ -> + { model + | history = newHistory + , state = Paused index indexModel newUserModel + } + ! [ commands ] + + +runIf : Bool -> Task Never () -> Cmd (Msg msg) +runIf bool task = + if bool then + Task.perform (always NoOp) task + else + Cmd.none + + +getLatestModel : State model -> model +getLatestModel state = + case state of + Running model -> + model + + Paused _ _ model -> + model + + + +-- SUBSCRIPTIONS + + +wrapSubs : (model -> Sub msg) -> Model model msg -> Sub (Msg msg) +wrapSubs userSubscriptions {state} = + getLatestModel state + |> userSubscriptions + |> Sub.map UserMsg + + + +-- VIEW + + +wrapView : (model -> Node msg) -> Model model msg -> Node (Msg msg) +wrapView userView { state } = + let + currentModel = + case state of + Running model -> + model + + Paused _ oldModel _ -> + oldModel + in + VDom.map UserMsg (userView currentModel) + + + +-- SMALL DEBUG VIEW + + +viewIn : Model model msg -> ( Overlay.Block, Node (Msg msg) ) +viewIn { history, state, overlay, isDebuggerOpen } = + let + isPaused = + case state of + Running _ -> + False + + Paused _ _ _ -> + True + in + Overlay.view overlayConfig isPaused isDebuggerOpen (History.size history) overlay + + +overlayConfig : Overlay.Config (Msg msg) +overlayConfig = + { resume = Resume + , open = Open + , importHistory = Import + , exportHistory = Export + , wrap = OverlayMsg + } + + + +-- BIG DEBUG VIEW + + +viewOut : Model model msg -> Node (Msg msg) +viewOut { history, state, expando } = + VDom.div + [ VDom.id "debugger" ] + [ styles + , viewSidebar state history + , VDom.map ExpandoMsg <| + VDom.div [ VDom.id "values" ] [ Expando.view Nothing expando ] + ] + + +viewSidebar : State model -> History model msg -> Node (Msg msg) +viewSidebar state history = + let + maybeIndex = + case state of + Running _ -> + Nothing + + Paused index _ _ -> + Just index + in + VDom.div [ VDom.class "debugger-sidebar" ] + [ VDom.map Jump (History.view maybeIndex history) + , playButton maybeIndex + ] + + +playButton : Maybe Int -> Node (Msg msg) +playButton maybeIndex = + VDom.div [ VDom.class "debugger-sidebar-controls" ] + [ viewResumeButton maybeIndex + , VDom.div [ VDom.class "debugger-sidebar-controls-import-export" ] + [ button Import "Import" + , VDom.text " / " + , button Export "Export" + ] + ] + + +button msg label = + VDom.span + [ VDom.onClick msg + , VDom.style [("cursor","pointer")] + ] + [ VDom.text label ] + + +viewResumeButton maybeIndex = + case maybeIndex of + Nothing -> + VDom.text "" + + Just _ -> + resumeButton + + +resumeButton = + VDom.div + [ VDom.onClick Resume + , VDom.class "debugger-sidebar-controls-resume" + ] + [ VDom.text "Resume" + ] + + + +-- STYLE + + +styles : Node msg +styles = + VDom.node "style" [] [ VDom.text """ + +html { + overflow: hidden; + height: 100%; +} + +body { + height: 100%; + overflow: auto; +} + +#debugger { + width: 100% + height: 100%; + font-family: monospace; +} + +#values { + display: block; + float: left; + height: 100%; + width: calc(100% - 30ch); + margin: 0; + overflow: auto; + cursor: default; +} + +.debugger-sidebar { + display: block; + float: left; + width: 30ch; + height: 100%; + color: white; + background-color: rgb(61, 61, 61); +} + +.debugger-sidebar-controls { + width: 100%; + text-align: center; + background-color: rgb(50, 50, 50); +} + +.debugger-sidebar-controls-import-export { + width: 100%; + height: 24px; + line-height: 24px; + font-size: 12px; +} + +.debugger-sidebar-controls-resume { + width: 100%; + height: 30px; + line-height: 30px; + cursor: pointer; +} + +.debugger-sidebar-controls-resume:hover { + background-color: rgb(41, 41, 41); +} + +.debugger-sidebar-messages { + width: 100%; + overflow-y: auto; + height: calc(100% - 24px); +} + +.debugger-sidebar-messages-paused { + width: 100%; + overflow-y: auto; + height: calc(100% - 54px); +} + +.messages-entry { + cursor: pointer; + width: 100%; +} + +.messages-entry:hover { + background-color: rgb(41, 41, 41); +} + +.messages-entry-selected, .messages-entry-selected:hover { + background-color: rgb(10, 10, 10); +} + +.messages-entry-content { + width: calc(100% - 7ch); + padding-top: 4px; + padding-bottom: 4px; + padding-left: 1ch; + text-overflow: ellipsis; + white-space: nowrap; + overflow: hidden; + display: inline-block; +} + +.messages-entry-index { + color: #666; + width: 5ch; + padding-top: 4px; + padding-bottom: 4px; + padding-right: 1ch; + text-align: right; + display: block; + float: right; +} + +""" ] diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Expando.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Expando.elm new file mode 100644 index 0000000..88b5857 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Expando.elm @@ -0,0 +1,659 @@ +module VirtualDom.Expando exposing + ( Expando + , init + , merge + , Msg, update + , view + ) + + +import Dict exposing (Dict) +import Json.Decode as Json +import Native.Debug +import VirtualDom.Helpers as VDom exposing (Node, text, div, span, class, onClick) + + + +-- MODEL + + +type Expando + = S String + | Primitive String + | Sequence SeqType Bool (List Expando) + | Dictionary Bool (List (Expando, Expando)) + | Record Bool (Dict String Expando) + | Constructor (Maybe String) Bool (List Expando) + + +type SeqType = ListSeq | SetSeq | ArraySeq + + +seqTypeToString : Int -> SeqType -> String +seqTypeToString n seqType = + case seqType of + ListSeq -> + "List(" ++ toString n ++ ")" + + SetSeq -> + "Set(" ++ toString n ++ ")" + + ArraySeq -> + "Array(" ++ toString n ++ ")" + + + +-- INITIALIZE + + +init : a -> Expando +init value = + initHelp True (Native.Debug.init value) + + +initHelp : Bool -> Expando -> Expando +initHelp isOuter expando = + case expando of + S _ -> + expando + + Primitive _ -> + expando + + Sequence seqType isClosed items -> + if isOuter then + Sequence seqType False (List.map (initHelp False) items) + else if List.length items <= 8 then + Sequence seqType False items + else + expando + + Dictionary isClosed keyValuePairs -> + if isOuter then + Dictionary False (List.map (\(k,v) -> (k, initHelp False v)) keyValuePairs) + else if List.length keyValuePairs <= 8 then + Dictionary False keyValuePairs + else + expando + + Record isClosed entries -> + if isOuter then + Record False (Dict.map (\_ v -> initHelp False v) entries) + else if Dict.size entries <= 4 then + Record False entries + else + expando + + Constructor maybeName isClosed args -> + if isOuter then + Constructor maybeName False (List.map (initHelp False) args) + else if List.length args <= 4 then + Constructor maybeName False args + else + expando + + + +-- PRESERVE OLD EXPANDO STATE (open/closed) + + +merge : a -> Expando -> Expando +merge value expando = + mergeHelp expando (Native.Debug.init value) + + +mergeHelp : Expando -> Expando -> Expando +mergeHelp old new = + case ( old, new ) of + ( _, S _ ) -> + new + + ( _, Primitive _ ) -> + new + + ( Sequence _ isClosed oldValues, Sequence seqType _ newValues ) -> + Sequence seqType isClosed (mergeListHelp oldValues newValues) + + ( Dictionary isClosed _, Dictionary _ keyValuePairs ) -> + Dictionary isClosed keyValuePairs + + ( Record isClosed oldDict, Record _ newDict ) -> + Record isClosed <| Dict.map (mergeDictHelp oldDict) newDict + + ( Constructor _ isClosed oldValues, Constructor maybeName _ newValues ) -> + Constructor maybeName isClosed (mergeListHelp oldValues newValues) + + _ -> + new + + +mergeListHelp : List Expando -> List Expando -> List Expando +mergeListHelp olds news = + case (olds, news) of + ( [], _ ) -> + news + + ( _, [] ) -> + news + + ( x :: xs, y :: ys ) -> + mergeHelp x y :: mergeListHelp xs ys + + +mergeDictHelp : Dict String Expando -> String -> Expando -> Expando +mergeDictHelp oldDict key value = + case Dict.get key oldDict of + Nothing -> + value + + Just oldValue -> + mergeHelp oldValue value + + + +-- UPDATE + + +type Msg + = Toggle + | Index Redirect Int Msg + | Field String Msg + + +type Redirect = None | Key | Value + + +update : Msg -> Expando -> Expando +update msg value = + case value of + S _ -> + Debug.crash "No messages for primitives" + + Primitive _ -> + Debug.crash "No messages for primitives" + + Sequence seqType isClosed valueList -> + case msg of + Toggle -> + Sequence seqType (not isClosed) valueList + + Index None index subMsg -> + Sequence seqType isClosed <| + updateIndex index (update subMsg) valueList + + Index _ _ _ -> + Debug.crash "No redirected indexes on sequences" + + Field _ _ -> + Debug.crash "No field on sequences" + + Dictionary isClosed keyValuePairs -> + case msg of + Toggle -> + Dictionary (not isClosed) keyValuePairs + + Index redirect index subMsg -> + case redirect of + None -> + Debug.crash "must have redirect for dictionaries" + + Key -> + Dictionary isClosed <| + updateIndex index (\(k,v) -> (update subMsg k, v)) keyValuePairs + + Value -> + Dictionary isClosed <| + updateIndex index (\(k,v) -> (k, update subMsg v)) keyValuePairs + + Field _ _ -> + Debug.crash "no field for dictionaries" + + Record isClosed valueDict -> + case msg of + Toggle -> + Record (not isClosed) valueDict + + Index _ _ _ -> + Debug.crash "No index for records" + + Field field subMsg -> + Record isClosed (Dict.update field (updateField subMsg) valueDict) + + Constructor maybeName isClosed valueList -> + case msg of + Toggle -> + Constructor maybeName (not isClosed) valueList + + Index None index subMsg -> + Constructor maybeName isClosed <| + updateIndex index (update subMsg) valueList + + Index _ _ _ -> + Debug.crash "No redirected indexes on sequences" + + Field _ _ -> + Debug.crash "No field for constructors" + + +updateIndex : Int -> (a -> a) -> List a -> List a +updateIndex n func list = + case list of + [] -> + [] + + x :: xs -> + if n <= 0 then + func x :: xs + else + x :: updateIndex (n-1) func xs + + +updateField : Msg -> Maybe Expando -> Maybe Expando +updateField msg maybeExpando = + case maybeExpando of + Nothing -> + Debug.crash "key does not exist" + + Just expando -> + Just (update msg expando) + + + +-- VIEW + + +view : Maybe String -> Expando -> Node Msg +view maybeKey expando = + case expando of + S stringRep -> + div [ leftPad maybeKey ] (lineStarter maybeKey Nothing [span [red] [text stringRep]]) + + Primitive stringRep -> + div [ leftPad maybeKey ] (lineStarter maybeKey Nothing [span [blue] [text stringRep]]) + + Sequence seqType isClosed valueList -> + viewSequence maybeKey seqType isClosed valueList + + Dictionary isClosed keyValuePairs -> + viewDictionary maybeKey isClosed keyValuePairs + + Record isClosed valueDict -> + viewRecord maybeKey isClosed valueDict + + Constructor maybeName isClosed valueList -> + viewConstructor maybeKey maybeName isClosed valueList + + + +-- VIEW SEQUENCE + + +viewSequence : Maybe String -> SeqType -> Bool -> List Expando -> Node Msg +viewSequence maybeKey seqType isClosed valueList = + let + starter = + seqTypeToString (List.length valueList) seqType + in + div [ leftPad maybeKey ] + [ div [ onClick Toggle ] (lineStarter maybeKey (Just isClosed) [text starter]) + , if isClosed then text "" else viewSequenceOpen valueList + ] + + +viewSequenceOpen : List Expando -> Node Msg +viewSequenceOpen values = + div [] (List.indexedMap viewConstructorEntry values) + + + +-- VIEW DICTIONARY + + +viewDictionary : Maybe String -> Bool -> List (Expando, Expando) -> Node Msg +viewDictionary maybeKey isClosed keyValuePairs = + let + starter = + "Dict(" ++ toString (List.length keyValuePairs) ++ ")" + in + div [ leftPad maybeKey ] + [ div [ onClick Toggle ] (lineStarter maybeKey (Just isClosed) [text starter]) + , if isClosed then text "" else viewDictionaryOpen keyValuePairs + ] + + +viewDictionaryOpen : List (Expando, Expando) -> Node Msg +viewDictionaryOpen keyValuePairs = + div [] (List.indexedMap viewDictionaryEntry keyValuePairs) + + +viewDictionaryEntry : Int -> (Expando, Expando) -> Node Msg +viewDictionaryEntry index (key, value) = + case key of + S stringRep -> + VDom.map (Index Value index) (view (Just stringRep) value) + + Primitive stringRep -> + VDom.map (Index Value index) (view (Just stringRep) value) + + _ -> + div [] + [ VDom.map (Index Key index) (view (Just "key") key) + , VDom.map (Index Value index) (view (Just "value") value) + ] + + + +-- VIEW RECORD + + +viewRecord : Maybe String -> Bool -> Dict String Expando -> Node Msg +viewRecord maybeKey isClosed record = + let + (start, middle, end) = + if isClosed then + ( Tuple.second (viewTinyRecord record), text "", text "" ) + else + ( [ text "{" ], viewRecordOpen record, div [leftPad (Just ())] [text "}"] ) + in + div [ leftPad maybeKey ] + [ div [ onClick Toggle ] (lineStarter maybeKey (Just isClosed) start) + , middle + , end + ] + + +viewRecordOpen : Dict String Expando -> Node Msg +viewRecordOpen record = + div [] (List.map viewRecordEntry (Dict.toList record)) + + +viewRecordEntry : (String, Expando) -> Node Msg +viewRecordEntry (field, value) = + VDom.map (Field field) (view (Just field) value) + + + +-- VIEW CONSTRUCTOR + + +viewConstructor : Maybe String -> Maybe String -> Bool -> List Expando -> Node Msg +viewConstructor maybeKey maybeName isClosed valueList = + let + tinyArgs = + List.map (Tuple.second << viewExtraTiny) valueList + + description = + case (maybeName, tinyArgs) of + (Nothing, []) -> + [ text "()" ] + + (Nothing, x :: xs) -> + text "( " + :: span [] x + :: List.foldr (\args rest -> text ", " :: span [] args :: rest) [text " )"] xs + + (Just name, []) -> + [ text name ] + + (Just name, x :: xs) -> + text (name ++ " ") + :: span [] x + :: List.foldr (\args rest -> text " " :: span [] args :: rest) [] xs + + (maybeIsClosed, openHtml) = + case valueList of + [] -> + ( Nothing, div [] [] ) + + [entry] -> + case entry of + S _ -> + ( Nothing, div [] [] ) + + Primitive _ -> + ( Nothing, div [] [] ) + + Sequence _ _ subValueList -> + ( Just isClosed + , if isClosed then div [] [] else VDom.map (Index None 0) (viewSequenceOpen subValueList) + ) + + Dictionary _ keyValuePairs -> + ( Just isClosed + , if isClosed then div [] [] else VDom.map (Index None 0) (viewDictionaryOpen keyValuePairs) + ) + + Record _ record -> + ( Just isClosed + , if isClosed then div [] [] else VDom.map (Index None 0) (viewRecordOpen record) + ) + + Constructor _ _ subValueList -> + ( Just isClosed + , if isClosed then div [] [] else VDom.map (Index None 0) (viewConstructorOpen subValueList) + ) + + _ -> + ( Just isClosed + , if isClosed then div [] [] else viewConstructorOpen valueList + ) + in + div [ leftPad maybeKey ] + [ div [ onClick Toggle ] (lineStarter maybeKey maybeIsClosed description) + , openHtml + ] + + +viewConstructorOpen : List Expando -> Node Msg +viewConstructorOpen valueList = + div [] (List.indexedMap viewConstructorEntry valueList) + + +viewConstructorEntry : Int -> Expando -> Node Msg +viewConstructorEntry index value = + VDom.map (Index None index) (view (Just (toString index)) value) + + + +-- VIEW TINY + + +viewTiny : Expando -> ( Int, List (Node msg) ) +viewTiny value = + case value of + S stringRep -> + let + str = + elideMiddle stringRep + in + ( String.length str + , [ span [red] [text str] ] + ) + + Primitive stringRep -> + ( String.length stringRep + , [ span [blue] [text stringRep] ] + ) + + Sequence seqType _ valueList -> + viewTinyHelp <| + seqTypeToString (List.length valueList) seqType + + Dictionary _ keyValuePairs -> + viewTinyHelp <| + "Dict(" ++ toString (List.length keyValuePairs) ++ ")" + + Record _ record -> + viewTinyRecord record + + Constructor maybeName _ [] -> + viewTinyHelp <| + Maybe.withDefault "Unit" maybeName + + Constructor maybeName _ valueList -> + viewTinyHelp <| + case maybeName of + Nothing -> + "Tuple(" ++ toString (List.length valueList) ++ ")" + + Just name -> + name ++ " …" + + +viewTinyHelp : String -> ( Int, List (Node msg) ) +viewTinyHelp str = + ( String.length str, [text str] ) + + +elideMiddle : String -> String +elideMiddle str = + if String.length str <= 18 then + str + + else + String.left 8 str ++ "..." ++ String.right 8 str + + + +-- VIEW TINY RECORDS + + +viewTinyRecord : Dict String Expando -> ( Int, List (Node msg) ) +viewTinyRecord record = + if Dict.isEmpty record then + ( 2, [text "{}"] ) + + else + viewTinyRecordHelp 0 "{ " (Dict.toList record) + + +viewTinyRecordHelp : Int -> String -> List (String, Expando) -> ( Int, List (Node msg) ) +viewTinyRecordHelp length starter entries = + case entries of + [] -> + ( length + 2, [ text " }" ] ) + + (field, value) :: rest -> + let + fieldLen = + String.length field + + (valueLen, valueNodes) = + viewExtraTiny value + + newLength = + length + fieldLen + valueLen + 5 + in + if newLength > 60 then + ( length + 4, [text ", … }"] ) + + else + let + ( finalLength, otherNodes ) = + viewTinyRecordHelp newLength ", " rest + in + ( finalLength + , text starter + :: span [purple] [text field] + :: text " = " + :: span [] valueNodes + :: otherNodes + ) + + +viewExtraTiny : Expando -> ( Int, List (Node msg) ) +viewExtraTiny value = + case value of + Record _ record -> + viewExtraTinyRecord 0 "{" (Dict.keys record) + + _ -> + viewTiny value + + +viewExtraTinyRecord : Int -> String -> List String -> ( Int, List (Node msg) ) +viewExtraTinyRecord length starter entries = + case entries of + [] -> + ( length + 1, [text "}"] ) + + field :: rest -> + let + nextLength = + length + String.length field + 1 + in + if nextLength > 18 then + ( length + 2, [text "…}"]) + + else + let + (finalLength, otherNodes) = + viewExtraTinyRecord nextLength "," rest + in + ( finalLength + , text starter :: span [purple] [text field] :: otherNodes + ) + + + +-- VIEW HELPERS + + +lineStarter : Maybe String -> Maybe Bool -> List (Node msg) -> List (Node msg) +lineStarter maybeKey maybeIsClosed description = + let + arrow = + case maybeIsClosed of + Nothing -> + makeArrow "" + + Just True -> + makeArrow "▸" + + Just False -> + makeArrow "▾" + in + case maybeKey of + Nothing -> + arrow :: description + + Just key -> + arrow :: span [purple] [text key] :: text " = " :: description + + +makeArrow : String -> Node msg +makeArrow arrow = + span + [ VDom.style + [ ("color", "#777") + , ("padding-left", "2ch") + , ("width", "2ch") + , ("display", "inline-block") + ] + ] + [ text arrow ] + + +leftPad : Maybe a -> VDom.Property msg +leftPad maybeKey = + case maybeKey of + Nothing -> + VDom.style [] + + Just _ -> + VDom.style [("padding-left", "4ch")] + + +red : VDom.Property msg +red = + VDom.style [("color", "rgb(196, 26, 22)")] + + +blue : VDom.Property msg +blue = + VDom.style [("color", "rgb(28, 0, 207)")] + + +purple : VDom.Property msg +purple = + VDom.style [("color", "rgb(136, 19, 145)")] diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Helpers.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Helpers.elm new file mode 100644 index 0000000..104e23b --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Helpers.elm @@ -0,0 +1,137 @@ +module VirtualDom.Helpers exposing + ( Node + , text, node, div, span, a, h1 + , Property, property, attribute + , class, id, href + , style + , on, onWithOptions, Options, defaultOptions + , onClick + , map + , lazy, lazy2, lazy3 + , keyedNode + ) + + +import Json.Decode as Decode +import Json.Encode as Encode +import Native.VirtualDom + + +type Node msg = Node + + +node : String -> List (Property msg) -> List (Node msg) -> Node msg +node = + Native.VirtualDom.node + + +text : String -> Node msg +text = + Native.VirtualDom.text + + +div : List (Property msg) -> List (Node msg) -> Node msg +div = + node "div" + + +span : List (Property msg) -> List (Node msg) -> Node msg +span = + node "span" + + +a : List (Property msg) -> List (Node msg) -> Node msg +a = + node "a" + + +h1 : List (Property msg) -> List (Node msg) -> Node msg +h1 = + node "h1" + + +map : (a -> msg) -> Node a -> Node msg +map = + Native.VirtualDom.map + + +type Property msg = Property + + +property : String -> Decode.Value -> Property msg +property = + Native.VirtualDom.property + + +attribute : String -> String -> Property msg +attribute = + Native.VirtualDom.attribute + + +class : String -> Property msg +class name = + property "className" (Encode.string name) + + +href : String -> Property msg +href name = + property "href" (Encode.string name) + + +id : String -> Property msg +id = + attribute "id" + + +style : List (String, String) -> Property msg +style = + Native.VirtualDom.style + + +on : String -> Decode.Decoder msg -> Property msg +on eventName decoder = + onWithOptions eventName defaultOptions decoder + + +onClick : msg -> Property msg +onClick msg = + on "click" (Decode.succeed msg) + + +onWithOptions : String -> Options -> Decode.Decoder msg -> Property msg +onWithOptions = + Native.VirtualDom.on + + +type alias Options = + { stopPropagation : Bool + , preventDefault : Bool + } + + +defaultOptions : Options +defaultOptions = + { stopPropagation = False + , preventDefault = False + } + + +lazy : (a -> Node msg) -> a -> Node msg +lazy = + Native.VirtualDom.lazy + + +lazy2 : (a -> b -> Node msg) -> a -> b -> Node msg +lazy2 = + Native.VirtualDom.lazy2 + + +lazy3 : (a -> b -> c -> Node msg) -> a -> b -> c -> Node msg +lazy3 = + Native.VirtualDom.lazy3 + + +keyedNode : String -> List (Property msg) -> List ( String, Node msg ) -> Node msg +keyedNode = + Native.VirtualDom.keyedNode + diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/History.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/History.elm new file mode 100644 index 0000000..bd9a28d --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/History.elm @@ -0,0 +1,290 @@ +module VirtualDom.History exposing + ( History + , empty + , size + , initialModel + , add + , get + , view + , decoder + , encode + ) + + +import Array exposing (Array) +import Json.Decode as Decode +import Json.Encode as Encode +import Native.Debug +import VirtualDom.Helpers as VDom exposing (Node) +import VirtualDom.Metadata as Metadata + + + +-- CONSTANTS + + +maxSnapshotSize : Int +maxSnapshotSize = + 64 + + + +-- HISTORY + + +type alias History model msg = + { snapshots : Array (Snapshot model msg) + , recent : RecentHistory model msg + , numMessages : Int + } + + +type alias RecentHistory model msg = + { model : model + , messages : List msg + , numMessages : Int + } + + +type alias Snapshot model msg = + { model : model + , messages : Array msg + } + + +empty : model -> History model msg +empty model = + History Array.empty (RecentHistory model [] 0) 0 + + +size : History model msg -> Int +size history = + history.numMessages + + +initialModel : History model msg -> model +initialModel { snapshots, recent } = + case Array.get 0 snapshots of + Just { model } -> + model + + Nothing -> + recent.model + + + +-- JSON + + +decoder : model -> (msg -> model -> model) -> Decode.Decoder (model, History model msg) +decoder initialModel update = + let + addMessage rawMsg (model, history) = + let + msg = + jsToElm rawMsg + in + (update msg model, add msg model history) + + updateModel rawMsgs = + List.foldl addMessage (initialModel, empty initialModel) rawMsgs + in + Decode.map updateModel (Decode.list Decode.value) + + +jsToElm : Encode.Value -> a +jsToElm = + Native.Debug.unsafeCoerce + + +encode : History model msg -> Encode.Value +encode { snapshots, recent } = + let + recentJson = + List.map elmToJs (List.reverse recent.messages) + in + Encode.list <| Array.foldr encodeHelp recentJson snapshots + + +encodeHelp : Snapshot model msg -> List Encode.Value -> List Encode.Value +encodeHelp snapshot allMessages = + Array.foldl (\elm msgs -> elmToJs elm :: msgs) allMessages snapshot.messages + + +elmToJs : a -> Encode.Value +elmToJs = + Native.Debug.unsafeCoerce + + + +-- ADD MESSAGES + + +add : msg -> model -> History model msg -> History model msg +add msg model { snapshots, recent, numMessages } = + case addRecent msg model recent of + (Just snapshot, newRecent) -> + History (Array.push snapshot snapshots) newRecent (numMessages + 1) + + (Nothing, newRecent) -> + History snapshots newRecent (numMessages + 1) + + +addRecent + : msg + -> model + -> RecentHistory model msg + -> ( Maybe (Snapshot model msg), RecentHistory model msg ) +addRecent msg newModel { model, messages, numMessages } = + if numMessages == maxSnapshotSize then + ( Just (Snapshot model (Array.fromList messages)) + , RecentHistory newModel [msg] 1 + ) + + else + ( Nothing + , RecentHistory model (msg :: messages) (numMessages + 1) + ) + + + +-- GET SUMMARY + + +get : (msg -> model -> (model, a)) -> Int -> History model msg -> ( model, msg ) +get update index { snapshots, recent, numMessages } = + let + snapshotMax = + numMessages - recent.numMessages + in + if index >= snapshotMax then + undone <| + List.foldr (getHelp update) (Stepping (index - snapshotMax) recent.model) recent.messages + + else + case Array.get (index // maxSnapshotSize) snapshots of + Nothing -> + Debug.crash "UI should only let you ask for real indexes!" + + Just { model, messages } -> + undone <| + Array.foldr (getHelp update) (Stepping (rem index maxSnapshotSize) model) messages + + +type GetResult model msg + = Stepping Int model + | Done msg model + + +getHelp : (msg -> model -> (model, a)) -> msg -> GetResult model msg -> GetResult model msg +getHelp update msg getResult = + case getResult of + Done _ _ -> + getResult + + Stepping n model -> + if n == 0 then + Done msg (Tuple.first (update msg model)) + + else + Stepping (n - 1) (Tuple.first (update msg model)) + + +undone : GetResult model msg -> ( model, msg ) +undone getResult = + case getResult of + Done msg model -> + ( model, msg ) + + Stepping _ _ -> + Debug.crash "Bug in History.get" + + + +-- VIEW + + +view : Maybe Int -> History model msg -> Node Int +view maybeIndex { snapshots, recent, numMessages } = + let + (index, className) = + case maybeIndex of + Nothing -> + ( -1, "debugger-sidebar-messages" ) + Just i -> + ( i, "debugger-sidebar-messages-paused" ) + + oldStuff = + VDom.lazy2 viewSnapshots index snapshots + + newStuff = + Tuple.second <| List.foldl (consMsg index) (numMessages - 1, []) recent.messages + in + VDom.div [ VDom.class className ] (oldStuff :: newStuff) + + + +-- VIEW SNAPSHOTS + + +viewSnapshots : Int -> Array (Snapshot model msg) -> Node Int +viewSnapshots currentIndex snapshots = + let + highIndex = + maxSnapshotSize * Array.length snapshots + in + VDom.div [] <| Tuple.second <| + Array.foldr (consSnapshot currentIndex) (highIndex, []) snapshots + + +consSnapshot : Int -> Snapshot model msg -> ( Int, List (Node Int) ) -> ( Int, List (Node Int) ) +consSnapshot currentIndex snapshot (index, rest) = + let + nextIndex = + index - maxSnapshotSize + + currentIndexHelp = + if nextIndex <= currentIndex && currentIndex < index then currentIndex else -1 + in + ( index - maxSnapshotSize + , VDom.lazy3 viewSnapshot currentIndexHelp index snapshot :: rest + ) + + +viewSnapshot : Int -> Int -> Snapshot model msg -> Node Int +viewSnapshot currentIndex index { messages } = + VDom.div [] <| Tuple.second <| + Array.foldl (consMsg currentIndex) (index - 1, []) messages + + + +-- VIEW MESSAGE + + +consMsg : Int -> msg -> ( Int, List (Node Int) ) -> ( Int, List (Node Int) ) +consMsg currentIndex msg (index, rest) = + ( index - 1 + , VDom.lazy3 viewMessage currentIndex index msg :: rest + ) + + +viewMessage : Int -> Int -> msg -> Node Int +viewMessage currentIndex index msg = + let + className = + if currentIndex == index then + "messages-entry messages-entry-selected" + + else + "messages-entry" + + messageName = + Native.Debug.messageToString msg + in + VDom.div + [ VDom.class className + , VDom.on "click" (Decode.succeed index) + ] + [ VDom.span [VDom.class "messages-entry-content", VDom.attribute "title" messageName ] [ VDom.text messageName ] + , VDom.span [VDom.class "messages-entry-index"] [ VDom.text (toString index) ] + ] diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Metadata.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Metadata.elm new file mode 100644 index 0000000..74e7316 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Metadata.elm @@ -0,0 +1,326 @@ +module VirtualDom.Metadata exposing + ( Metadata + , check + , decode, decoder, encode + , Error, ProblemType, Problem(..) + ) + + +import Array exposing (Array) +import Dict exposing (Dict) +import Json.Decode as Decode +import Json.Encode as Encode +import VirtualDom.Report as Report exposing (Report) + + + +-- METADATA + + +type alias Metadata = + { versions : Versions + , types : Types + } + + + +-- VERSIONS + + +type alias Versions = + { elm : String + } + + + +-- TYPES + + +type alias Types = + { message : String + , aliases : Dict String Alias + , unions : Dict String Union + } + + +type alias Alias = + { args : List String + , tipe : String + } + + +type alias Union = + { args : List String + , tags : Dict String (List String) + } + + + +-- PORTABILITY + + +isPortable : Metadata -> Maybe Error +isPortable {types} = + let + badAliases = + Dict.foldl collectBadAliases [] types.aliases + in + case Dict.foldl collectBadUnions badAliases types.unions of + [] -> + Nothing + + problems -> + Just (Error types.message problems) + + +type alias Error = + { message : String + , problems : List ProblemType + } + + +type alias ProblemType = + { name : String + , problems : List Problem + } + + +type Problem + = Function + | Decoder + | Task + | Process + | Socket + | Request + | Program + | VirtualDom + + +collectBadAliases : String -> Alias -> List ProblemType -> List ProblemType +collectBadAliases name {tipe} list = + case findProblems tipe of + [] -> + list + + problems -> + ProblemType name problems :: list + + +collectBadUnions : String -> Union -> List ProblemType -> List ProblemType +collectBadUnions name {tags} list = + case List.concatMap findProblems (List.concat (Dict.values tags)) of + [] -> + list + + problems -> + ProblemType name problems :: list + + +findProblems : String -> List Problem +findProblems tipe = + List.filterMap (hasProblem tipe) problemTable + + +hasProblem : String -> (Problem, String) -> Maybe Problem +hasProblem tipe (problem, token) = + if String.contains token tipe then Just problem else Nothing + + +problemTable : List (Problem, String) +problemTable = + [ ( Function, "->" ) + , ( Decoder, "Json.Decode.Decoder" ) + , ( Task, "Task.Task" ) + , ( Process, "Process.Id" ) + , ( Socket, "WebSocket.LowLevel.WebSocket" ) + , ( Request, "Http.Request" ) + , ( Program, "Platform.Program" ) + , ( VirtualDom, "VirtualDom.Node" ) + , ( VirtualDom, "VirtualDom.Attribute" ) + ] + + + +-- CHECK + + +check : Metadata -> Metadata -> Report +check old new = + if old.versions.elm /= new.versions.elm then + Report.VersionChanged old.versions.elm new.versions.elm + + else + checkTypes old.types new.types + + +checkTypes : Types -> Types -> Report +checkTypes old new = + if old.message /= new.message then + Report.MessageChanged old.message new.message + + else + [] + |> Dict.merge ignore checkAlias ignore old.aliases new.aliases + |> Dict.merge ignore checkUnion ignore old.unions new.unions + |> Report.SomethingChanged + + +ignore : String -> value -> a -> a +ignore key value report = + report + + + +-- CHECK ALIASES + + +checkAlias : String -> Alias -> Alias -> List Report.Change -> List Report.Change +checkAlias name old new changes = + if old.tipe == new.tipe && old.args == new.args then + changes + + else + Report.AliasChange name :: changes + + + +-- CHECK UNIONS + + +checkUnion : String -> Union -> Union -> List Report.Change -> List Report.Change +checkUnion name old new changes = + let + tagChanges = + Dict.merge removeTag checkTag addTag old.tags new.tags <| + Report.emptyTagChanges (old.args == new.args) + in + if Report.hasTagChanges tagChanges then + changes + + else + Report.UnionChange name tagChanges :: changes + + +removeTag : String -> a -> Report.TagChanges -> Report.TagChanges +removeTag tag _ changes = + { changes | removed = tag :: changes.removed } + + +addTag : String -> a -> Report.TagChanges -> Report.TagChanges +addTag tag _ changes = + { changes | added = tag :: changes.added } + + +checkTag : String -> a -> a -> Report.TagChanges -> Report.TagChanges +checkTag tag old new changes = + if old == new then + changes + + else + { changes | changed = tag :: changes.changed } + + + +-- JSON DECODE + + +decode : Encode.Value -> Result Error Metadata +decode value = + case Decode.decodeValue decoder value of + Err _ -> + Debug.crash "Compiler is generating bad metadata. Report this at ." + + Ok metadata -> + case isPortable metadata of + Nothing -> + Ok metadata + + Just error -> + Err error + + +decoder : Decode.Decoder Metadata +decoder = + Decode.map2 Metadata + (Decode.field "versions" decodeVersions) + (Decode.field "types" decodeTypes) + + +decodeVersions : Decode.Decoder Versions +decodeVersions = + Decode.map Versions + (Decode.field "elm" Decode.string) + + +decodeTypes : Decode.Decoder Types +decodeTypes = + Decode.map3 Types + (Decode.field "message" Decode.string) + (Decode.field "aliases" (Decode.dict decodeAlias)) + (Decode.field "unions" (Decode.dict decodeUnion)) + + +decodeUnion : Decode.Decoder Union +decodeUnion = + Decode.map2 Union + (Decode.field "args" (Decode.list Decode.string)) + (Decode.field "tags" (Decode.dict (Decode.list Decode.string))) + + +decodeAlias : Decode.Decoder Alias +decodeAlias = + Decode.map2 Alias + (Decode.field "args" (Decode.list Decode.string)) + (Decode.field "type" (Decode.string)) + + + +-- JSON ENCODE + + +encode : Metadata -> Encode.Value +encode { versions, types } = + Encode.object + [ ("versions", encodeVersions versions) + , ("types", encodeTypes types) + ] + + +encodeVersions : Versions -> Encode.Value +encodeVersions { elm } = + Encode.object [("elm", Encode.string elm)] + + +encodeTypes : Types -> Encode.Value +encodeTypes { message, unions, aliases } = + Encode.object + [ ("message", Encode.string message) + , ("aliases", encodeDict encodeAlias aliases) + , ("unions", encodeDict encodeUnion unions) + ] + + +encodeAlias : Alias -> Encode.Value +encodeAlias { args, tipe } = + Encode.object + [ ("args", Encode.list (List.map Encode.string args)) + , ("type", Encode.string tipe) + ] + + +encodeUnion : Union -> Encode.Value +encodeUnion { args, tags } = + Encode.object + [ ("args", Encode.list (List.map Encode.string args)) + , ("tags", encodeDict (Encode.list << List.map Encode.string) tags) + ] + + +encodeDict : (a -> Encode.Value) -> Dict String a -> Encode.Value +encodeDict f dict = + dict + |> Dict.map (\key value -> f value) + |> Dict.toList + |> Encode.object + + diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Overlay.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Overlay.elm new file mode 100644 index 0000000..9e6bd2e --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Overlay.elm @@ -0,0 +1,541 @@ +module VirtualDom.Overlay exposing + ( State, none, corruptImport, badMetadata + , Msg, close, assessImport + , isBlocking + , Config + , Block + , view + , viewImportExport + ) + +import Json.Decode as Decode +import Json.Encode as Encode +import VirtualDom.Helpers exposing (..) +import VirtualDom.Metadata as Metadata exposing (Metadata) +import VirtualDom.Report as Report exposing (Report) + + + +type State + = None + | BadMetadata Metadata.Error + | BadImport Report + | RiskyImport Report Encode.Value + + +none : State +none = + None + + +corruptImport : State +corruptImport = + BadImport Report.CorruptHistory + + +badMetadata : Metadata.Error -> State +badMetadata = + BadMetadata + + +isBlocking : State -> Bool +isBlocking state = + case state of + None -> + False + + _ -> + True + + + +-- UPDATE + + +type Msg = Cancel | Proceed + + +close : Msg -> State -> Maybe Encode.Value +close msg state = + case state of + None -> + Nothing + + BadMetadata _ -> + Nothing + + BadImport _ -> + Nothing + + RiskyImport _ rawHistory -> + case msg of + Cancel -> + Nothing + + Proceed -> + Just rawHistory + + +assessImport : Metadata -> String -> Result State Encode.Value +assessImport metadata jsonString = + case Decode.decodeString uploadDecoder jsonString of + Err _ -> + Err corruptImport + + Ok (foreignMetadata, rawHistory) -> + let + report = + Metadata.check foreignMetadata metadata + in + case Report.evaluate report of + Report.Impossible -> + Err (BadImport report) + + Report.Risky -> + Err (RiskyImport report rawHistory) + + Report.Fine -> + Ok rawHistory + + +uploadDecoder : Decode.Decoder (Metadata, Encode.Value) +uploadDecoder = + Decode.map2 (,) + (Decode.field "metadata" Metadata.decoder) + (Decode.field "history" Decode.value) + + + +-- VIEW + + +type alias Config msg = + { resume : msg + , open : msg + , importHistory : msg + , exportHistory : msg + , wrap : Msg -> msg + } + + +type Block = Normal | Pause | Message + + +view : Config msg -> Bool -> Bool -> Int -> State -> ( Block, Node msg ) +view config isPaused isOpen numMsgs state = + let + (block, nodes) = + viewHelp config isPaused isOpen numMsgs state + in + ( block + , div [ class "elm-overlay" ] (styles :: nodes) + ) + + +viewHelp : Config msg -> Bool -> Bool -> Int -> State -> ( Block, List (Node msg) ) +viewHelp config isPaused isOpen numMsgs state = + case state of + None -> + let + miniControls = + if isOpen then [] else [ viewMiniControls config numMsgs ] + in + ( if isPaused then Pause else Normal + , if isPaused && not isOpen then + viewResume config :: miniControls + else + miniControls + ) + + BadMetadata badMetadata -> + viewMessage config + "Cannot use Import or Export" + (viewBadMetadata badMetadata) + (Accept "Ok") + + BadImport report -> + viewMessage config + "Cannot Import History" + (viewReport True report) + (Accept "Ok") + + RiskyImport report _ -> + viewMessage config + "Warning" + (viewReport False report) + (Choose "Cancel" "Import Anyway") + + +viewResume config = + div [ class "elm-overlay-resume", onClick config.resume ] + [ div [class "elm-overlay-resume-words"] [text "Click to Resume"] ] + + + +-- VIEW MESSAGE + + +viewMessage : Config msg -> String -> List (Node msg) -> Buttons -> ( Block, List (Node msg) ) +viewMessage config title details buttons = + ( Message + , [ div [ class "elm-overlay-message" ] + [ div [ class "elm-overlay-message-title" ] [ text title ] + , div [ class "elm-overlay-message-details" ] details + , map config.wrap (viewButtons buttons) + ] + ] + ) + + +viewReport : Bool -> Report -> List (Node msg) +viewReport isBad report = + case report of + Report.CorruptHistory -> + [ text "Looks like this history file is corrupt. I cannot understand it." + ] + + Report.VersionChanged old new -> + [ text <| + "This history was created with Elm " + ++ old ++ ", but you are using Elm " + ++ new ++ " right now." + ] + + Report.MessageChanged old new -> + [ text <| + "To import some other history, the overall message type must" + ++ " be the same. The old history has " + , viewCode old + , text " messages, but the new program works with " + , viewCode new + , text " messages." + ] + + Report.SomethingChanged changes -> + [ node "p" [] [ text (if isBad then explanationBad else explanationRisky) ] + , node "ul" [] (List.map viewChange changes) + ] + + +explanationBad : String +explanationBad = """ +The messages in this history do not match the messages handled by your +program. I noticed changes in the following types: +""" + +explanationRisky : String +explanationRisky = """ +This history seems old. It will work with this program, but some +messages have been added since the history was created: +""" + + +viewCode : String -> Node msg +viewCode name = + node "code" [] [ text name ] + + +viewChange : Report.Change -> Node msg +viewChange change = + node "li" [] <| + case change of + Report.AliasChange name -> + [ span [ class "elm-overlay-message-details-type" ] [ viewCode name ] + ] + + Report.UnionChange name { removed, changed, added, argsMatch } -> + [ span [ class "elm-overlay-message-details-type" ] [ viewCode name ] + , node "ul" [] + [ viewMention removed "Removed " + , viewMention changed "Changed " + , viewMention added "Added " + ] + , if argsMatch then + text "" + else + text "This may be due to the fact that the type variable names changed." + ] + + +viewMention : List String -> String -> Node msg +viewMention tags verbed = + case List.map viewCode (List.reverse tags) of + [] -> + text "" + + [tag] -> + node "li" [] + [ text verbed, tag, text "." ] + + [tag2, tag1] -> + node "li" [] + [ text verbed, tag1, text " and ", tag2, text "." ] + + lastTag :: otherTags -> + node "li" [] <| + text verbed + :: List.intersperse (text ", ") (List.reverse otherTags) + ++ [ text ", and ", lastTag, text "." ] + + +viewBadMetadata : Metadata.Error -> List (Node msg) +viewBadMetadata {message, problems} = + [ node "p" [] + [ text "The " + , viewCode message + , text " type of your program cannot be reliably serialized for history files." + ] + , node "p" [] [ text "Functions cannot be serialized, nor can values that contain functions. This is a problem in these places:" ] + , node "ul" [] (List.map viewProblemType problems) + , node "p" [] + [ text goodNews1 + , a [ href "https://guide.elm-lang.org/types/union_types.html" ] [ text "union types" ] + , text ", in your messages. From there, your " + , viewCode "update" + , text goodNews2 + ] + ] + + +goodNews1 = """ +The good news is that having values like this in your message type is not +so great in the long run. You are better off using simpler data, like +""" + + +goodNews2 = """ +function can pattern match on that data and call whatever functions, JSON +decoders, etc. you need. This makes the code much more explicit and easy to +follow for other readers (or you in a few months!) +""" + + +viewProblemType : Metadata.ProblemType -> Node msg +viewProblemType { name, problems } = + node "li" [] + [ viewCode name + , text (" can contain " ++ addCommas (List.map problemToString problems) ++ ".") + ] + + +problemToString : Metadata.Problem -> String +problemToString problem = + case problem of + Metadata.Function -> + "functions" + + Metadata.Decoder -> + "JSON decoders" + + Metadata.Task -> + "tasks" + + Metadata.Process -> + "processes" + + Metadata.Socket -> + "web sockets" + + Metadata.Request -> + "HTTP requests" + + Metadata.Program -> + "programs" + + Metadata.VirtualDom -> + "virtual DOM values" + + +addCommas : List String -> String +addCommas items = + case items of + [] -> + "" + + [item] -> + item + + [item1, item2] -> + item1 ++ " and " ++ item2 + + lastItem :: otherItems -> + String.join ", " (otherItems ++ [ " and " ++ lastItem ]) + + + +-- VIEW MESSAGE BUTTONS + + +type Buttons + = Accept String + | Choose String String + + +viewButtons : Buttons -> Node Msg +viewButtons buttons = + div [ class "elm-overlay-message-buttons" ] <| + case buttons of + Accept proceed -> + [ node "button" [ onClick Proceed ] [ text proceed ] + ] + + Choose cancel proceed -> + [ node "button" [ onClick Cancel ] [ text cancel ] + , node "button" [ onClick Proceed ] [ text proceed ] + ] + + + +-- VIEW MINI CONTROLS + + +viewMiniControls : Config msg -> Int -> Node msg +viewMiniControls config numMsgs = + div + [ class "elm-mini-controls" + ] + [ div + [ onClick config.open + , class "elm-mini-controls-button" + ] + [ text ("Explore History (" ++ toString numMsgs ++ ")") + ] + , viewImportExport + [class "elm-mini-controls-import-export"] + config.importHistory + config.exportHistory + ] + + +viewImportExport : List (Property msg) -> msg -> msg -> Node msg +viewImportExport props importMsg exportMsg = + div + props + [ button importMsg "Import" + , text " / " + , button exportMsg "Export" + ] + + +button : msg -> String -> Node msg +button msg label = + span [ onClick msg, style [("cursor","pointer")] ] [ text label ] + + + +-- STYLE + + +styles : Node msg +styles = + node "style" [] [ text """ + +.elm-overlay { + position: fixed; + top: 0; + left: 0; + width: 100%; + height: 100%; + color: white; + pointer-events: none; + font-family: 'Trebuchet MS', 'Lucida Grande', 'Bitstream Vera Sans', 'Helvetica Neue', sans-serif; +} + +.elm-overlay-resume { + width: 100%; + height: 100%; + cursor: pointer; + text-align: center; + pointer-events: auto; + background-color: rgba(200, 200, 200, 0.7); +} + +.elm-overlay-resume-words { + position: absolute; + top: calc(50% - 40px); + font-size: 80px; + line-height: 80px; + height: 80px; + width: 100%; +} + +.elm-mini-controls { + position: fixed; + bottom: 0; + right: 6px; + border-radius: 4px; + background-color: rgb(61, 61, 61); + font-family: monospace; + pointer-events: auto; +} + +.elm-mini-controls-button { + padding: 6px; + cursor: pointer; + text-align: center; + min-width: 24ch; +} + +.elm-mini-controls-import-export { + padding: 4px 0; + font-size: 0.8em; + text-align: center; + background-color: rgb(50, 50, 50); +} + +.elm-overlay-message { + position: absolute; + width: 600px; + height: 100%; + padding-left: calc(50% - 300px); + padding-right: calc(50% - 300px); + background-color: rgba(200, 200, 200, 0.7); + pointer-events: auto; +} + +.elm-overlay-message-title { + font-size: 36px; + height: 80px; + background-color: rgb(50, 50, 50); + padding-left: 22px; + vertical-align: middle; + line-height: 80px; +} + +.elm-overlay-message-details { + padding: 8px 20px; + overflow-y: auto; + max-height: calc(100% - 156px); + background-color: rgb(61, 61, 61); +} + +.elm-overlay-message-details-type { + font-size: 1.5em; +} + +.elm-overlay-message-details ul { + list-style-type: none; + padding-left: 20px; +} + +.elm-overlay-message-details ul ul { + list-style-type: disc; + padding-left: 2em; +} + +.elm-overlay-message-details li { + margin: 8px 0; +} + +.elm-overlay-message-buttons { + height: 60px; + line-height: 60px; + text-align: right; + background-color: rgb(50, 50, 50); +} + +.elm-overlay-message-buttons button { + margin-right: 20px; +} + +""" ] \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Report.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Report.elm new file mode 100644 index 0000000..89b4e07 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/src/VirtualDom/Report.elm @@ -0,0 +1,99 @@ +module VirtualDom.Report exposing + ( Report(..) + , Change(..) + , TagChanges + , emptyTagChanges + , hasTagChanges + , Status(..), evaluate + ) + + + +-- REPORTS + + +type Report + = CorruptHistory + | VersionChanged String String + | MessageChanged String String + | SomethingChanged (List Change) + + +type Change + = AliasChange String + | UnionChange String TagChanges + + +type alias TagChanges = + { removed : List String + , changed : List String + , added : List String + , argsMatch : Bool + } + + +emptyTagChanges : Bool -> TagChanges +emptyTagChanges argsMatch = + TagChanges [] [] [] argsMatch + + +hasTagChanges : TagChanges -> Bool +hasTagChanges tagChanges = + tagChanges == TagChanges [] [] [] True + + +type Status = Impossible | Risky | Fine + + +evaluate : Report -> Status +evaluate report = + case report of + CorruptHistory -> + Impossible + + VersionChanged _ _ -> + Impossible + + MessageChanged _ _ -> + Impossible + + SomethingChanged changes -> + worstCase Fine (List.map evaluateChange changes) + + +worstCase : Status -> List Status -> Status +worstCase status statusList = + case statusList of + [] -> + status + + Impossible :: _ -> + Impossible + + Risky :: rest -> + worstCase Risky rest + + Fine :: rest -> + worstCase status rest + + +evaluateChange : Change -> Status +evaluateChange change = + case change of + AliasChange _ -> + Impossible + + UnionChange _ { removed, changed, added, argsMatch } -> + if not argsMatch || some changed || some removed then + Impossible + + else if some added then + Risky + + else + Fine + + +some : List a -> Bool +some list = + not (List.isEmpty list) diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/Native/TestHelpers.js b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/Native/TestHelpers.js new file mode 100644 index 0000000..6b1ebbb --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/Native/TestHelpers.js @@ -0,0 +1,35 @@ +Elm.Native.TestHelpers = {}; +Elm.Native.TestHelpers.make = function(localRuntime) +{ + localRuntime.Native = localRuntime.Native || {}; + localRuntime.Native.TestHelpers = localRuntime.Native.TestHelpers || {}; + if (localRuntime.Native.TestHelpers.values) + { + return localRuntime.Native.TestHelpers.values; + } + + var VirtualDom = Elm.Native.VirtualDom.make(localRuntime); + + function unsafeRecordCallCount(f) { + function wrapper(a) { + wrapper.__elm_test_call_count += 1; + return f(a); + } + wrapper.__elm_test_call_count = 0; + return wrapper; + } + + function unsafeQueryCallCount(f) { + if (f.__elm_test_call_count === undefined) { + return -1; + } + return f.__elm_test_call_count; + } + + Elm.Native.TestHelpers.values = { + unsafeRecordCallCount: unsafeRecordCallCount, + unsafeQueryCallCount: unsafeQueryCallCount, + updateAndReplace: F3(VirtualDom.updateAndReplace) + }; + return localRuntime.Native.TestHelpers.values = Elm.Native.TestHelpers.values; +}; \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestCases/Lazy.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestCases/Lazy.elm new file mode 100644 index 0000000..09e362a --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestCases/Lazy.elm @@ -0,0 +1,72 @@ +module TestCases.Lazy where + +import VirtualDom exposing (Node, lazy) +import ElmTest.Assertion exposing (assertEqual) +import ElmTest.Test exposing (Test, suite, test) + +import TestHelpers exposing (renderDom, updateDom, unsafeRecordCallCount, unsafeQueryCallCount) + +renderRecord : { x: String, y: String } -> Node +renderRecord r = + VirtualDom.text <| "The values: " ++ r.x ++ ", " ++ r.y + + +renderPrimitive : Int -> Node +renderPrimitive x = + VirtualDom.text <| "The value: " ++ (toString x) + + +testLazyIdenticalRecord = + test "isn't called again with identical record" <| + let record = { x = "a", y = "b" } + wrappedRender = unsafeRecordCallCount renderRecord + v1 = renderDom <| lazy wrappedRender record + v2 = updateDom v1 <| lazy wrappedRender record + v3 = updateDom v2 <| lazy wrappedRender record + in + assertEqual 1 <| unsafeQueryCallCount wrappedRender + + +testLazyIdenticalPrimitive = + test "isn't called again with identical primitive" <| + let wrappedRender = unsafeRecordCallCount renderPrimitive + v1 = renderDom <| lazy wrappedRender 5 + v2 = updateDom v1 <| lazy wrappedRender 5 + v3 = updateDom v2 <| lazy wrappedRender 5 + in + assertEqual 1 <| unsafeQueryCallCount wrappedRender + + +testLazyRecordMutationOfIdenticalValue = + test "isn't called again with record mutation of identical value" <| + let record = { x = "a", y = "b" } + wrappedRender = unsafeRecordCallCount renderRecord + v1 = renderDom <| lazy wrappedRender record + v2 = updateDom v1 <| lazy wrappedRender { record | x = "a" } + v3 = updateDom v2 <| lazy wrappedRender { record | x = "a", y = "b" } + in + assertEqual 1 <| unsafeQueryCallCount wrappedRender + + +testNotLazyDifferentRecord = + test "is called again with an equivalent but different record" <| + let wrappedRender = unsafeRecordCallCount renderRecord + v1 = renderDom <| lazy wrappedRender { x = "a", y = "b" } + v2 = updateDom v1 <| lazy wrappedRender { x = "a", y = "b" } + v3 = updateDom v2 <| lazy wrappedRender { x = "a", y = "b" } + in + assertEqual 3 <| unsafeQueryCallCount wrappedRender + + +tests : Test +tests = + suite + "Lazy" + [ + testLazyIdenticalRecord, + testLazyIdenticalPrimitive, + -- Re-enable this test when core supports checking + -- record update values for identity before copying: + -- testLazyRecordMutationOfIdenticalValue, + testNotLazyDifferentRecord + ] diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestHelpers.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestHelpers.elm new file mode 100644 index 0000000..2fe24cf --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestHelpers.elm @@ -0,0 +1,34 @@ +module TestHelpers where + +import VirtualDom exposing (Node) + +import Native.TestHelpers +import Native.VirtualDom + +unsafeRecordCallCount : (a -> b) -> (a -> b) +unsafeRecordCallCount = + Native.TestHelpers.unsafeRecordCallCount + +unsafeQueryCallCount : (a -> b) -> Int +unsafeQueryCallCount = + Native.TestHelpers.unsafeQueryCallCount + +type OpaqueDom = OpaqueDom + +render : Node -> OpaqueDom +render = + Native.VirtualDom.render + +updateAndReplace : OpaqueDom -> Node -> Node -> OpaqueDom +updateAndReplace = + Native.TestHelpers.updateAndReplace + + +renderDom : Node -> (OpaqueDom, Node) +renderDom vdom = + (render vdom, vdom) + + +updateDom : (OpaqueDom, Node) -> Node -> (OpaqueDom, Node) +updateDom (oldDom, oldVDom) newVDom = + (updateAndReplace oldDom oldVDom newVDom, newVDom) diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestMain.elm b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestMain.elm new file mode 100644 index 0000000..ea59abf --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/TestMain.elm @@ -0,0 +1,18 @@ + +import ElmTest.Runner.Console exposing (runDisplay) +import ElmTest.Test exposing (Test, suite) +import Console exposing (IO) +import Task exposing (Task) + +import TestCases.Lazy + +tests : Test +tests = + suite + "VirtualDom Library Tests" + [ + TestCases.Lazy.tests + ] + +port runner : Signal (Task x ()) +port runner = Console.run (runDisplay tests) diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/elm-package.json b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/elm-package.json new file mode 100644 index 0000000..5041954 --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/elm-package.json @@ -0,0 +1,18 @@ +{ + "version": "1.0.0", + "summary": "Test for VirtualDom", + "license": "BSD3", + "repository": "https://github.com/evancz/virtual-dom.git", + "exposed-modules": [], + "source-directories": [ + ".", + "build/virtual-dom/" + ], + "native-modules": true, + "dependencies": { + "elm-lang/core": "2.0.0 <= v < 4.0.0", + "laszlopandy/elm-console": "1.0.0 <= v < 2.0.0", + "deadfoxygrandpa/elm-test": "1.0.3 <= v < 2.0.0" + }, + "elm-version": "0.16.0 <= v < 0.17.0" +} \ No newline at end of file diff --git a/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/run-tests.sh b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/run-tests.sh new file mode 100644 index 0000000..98e4f2e --- /dev/null +++ b/part7/elm-stuff/packages/elm-lang/virtual-dom/2.0.4/tests/run-tests.sh @@ -0,0 +1,24 @@ +#!/bin/sh + +set -e + +cd "$(dirname "$0")" + +mkdir -p build/virtual-dom/Native +cp ../src/VirtualDom.elm build/virtual-dom/ +$(npm bin)/browserify ../src/wrapper.js -o build/VirtualDom.browser.js + +set +e +diff -u ../src/Native/VirtualDom.js build/VirtualDom.browser.js +if [ $? != 0 ]; then + echo "ERROR:" + echo "src/Native/VirtualDom.js has local modifications or is out of date. Please run rebuild.sh" + exit 1 +fi +set -e + +$(npm bin)/browserify --no-browser-field ../src/wrapper.js -o build/virtual-dom/Native/VirtualDom.js + +elm-make --yes --output build/test.js TestMain.elm +echo "Elm.worker(Elm.Main);" >> build/test.js +node build/test.js \ No newline at end of file diff --git a/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/.gitignore b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/.gitignore new file mode 100644 index 0000000..e185314 --- /dev/null +++ b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/.gitignore @@ -0,0 +1 @@ +elm-stuff \ No newline at end of file diff --git a/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/LICENSE b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/LICENSE new file mode 100644 index 0000000..5c3a63a --- /dev/null +++ b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2014, Evan Czaplicki + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Evan Czaplicki nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/README.md b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/README.md new file mode 100644 index 0000000..1458ba1 --- /dev/null +++ b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/README.md @@ -0,0 +1,38 @@ +# Markdown in Elm + +This package is for markdown parsing and rendering. It is based on the [marked][] project +which focuses on speed. + +[marked]: https://github.com/chjj/marked + +## Basic Usage + +```elm +content : Html msg +content = + Markdown.toHtml [class "content"] """ + +# Apple Pie Recipe + + 1. Invent the universe. + 2. Bake an apple pie. + +""" +``` + +**Warning:** Calling `Markdown.toHtml` parses the whole block, so try not to +call it for no reason. In the `content` example above we only have to parse +the text once, but if we put it in a function we may be doing a lot of +unnecessary parsing. + + +## Code Blocks + +For highlighting any code blocks, the package relies on the +[highlight.js](https://highlightjs.org/) project. So if you want to +see highlighting of code blocks in the rendering result, you need to +make sure that your page/app binds a version of that library +(supporting the languages you want to handle) to `window.hljs` in +Javascript. [This is how package.elm-lang.org does +that.](https://github.com/elm-lang/package.elm-lang.org/blob/e0b7aa4282038475612722ff7a57195866f8645b/backend/ServeFile.hs#L54) + diff --git a/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/elm-package.json b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/elm-package.json new file mode 100644 index 0000000..14c8e4e --- /dev/null +++ b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/elm-package.json @@ -0,0 +1,18 @@ +{ + "version": "3.0.2", + "summary": "Fast markdown parsing and rendering", + "repository": "https://github.com/evancz/elm-markdown.git", + "license": "BSD3", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Markdown" + ], + "native-modules": true, + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-lang/html": "2.0.0 <= v < 3.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/src/Markdown.elm b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/src/Markdown.elm new file mode 100644 index 0000000..fc0cec7 --- /dev/null +++ b/part7/elm-stuff/packages/evancz/elm-markdown/3.0.2/src/Markdown.elm @@ -0,0 +1,104 @@ +module Markdown exposing + ( toHtml + , Options, defaultOptions, toHtmlWith + ) + +{-| A library for markdown parsing. This is just an Elm API built on top of the +[marked](https://github.com/chjj/marked) project which focuses on speed. + +# Parsing Markdown +@docs toHtml + +# Parsing with Custom Options +@docs Options, defaultOptions, toHtmlWith +-} + +import Html exposing (Html, Attribute) +import Native.Markdown + + +{-| Turn a markdown string into an HTML element, using the `defaultOptions`. + + recipe : Html msg + recipe = + Markdown.toHtml [class "recipe"] """ + + # Apple Pie Recipe + + First, invent the universe. Then bake an apple pie. + + """ +-} +toHtml : List (Attribute msg) -> String -> Html msg +toHtml attrs string = + Native.Markdown.toHtml defaultOptions attrs string + + +{-| Some parser options so you can tweak things for your particular case. + + * `githubFlavored` — overall reasonable improvements on the original + markdown parser as described [here][gfm]. This includes stuff like [fenced + code blocks][fenced]. There are some odd parts though, such as [tables][] + and a setting to turn all newlines into newlines in the resulting output, + so there are settings to turn those on or off based on your preference. + + * `defaultHighlighting` — a default language to use for code blocks that do + not have a language tag. So setting this to `Just "elm"` will treat all + unlabeled code blocks as Elm code. (This relies on [highlight.js][highlight] + as explained in the README [here](../#code-blocks).) + + * `sanitize` — this determines if all HTML should be escaped. If you + are parsing user markdown or user input can somehow reach the markdown + parser, you should almost certainly turn on sanitation. If it is just you + writing markdown, turning sanitation off is a nice way to do some HTML + tricks if it is needed. + + * `smartypants` — This will automatically upgrade quotes to the + prettier versions and turn dashes into [em dashes or en dashes][dash] + + +[gfm]: https://help.github.com/articles/github-flavored-markdown/ +[fenced]: https://help.github.com/articles/github-flavored-markdown/#fenced-code-blocks +[tables]: https://help.github.com/articles/github-flavored-markdown/#tables +[highlight]: https://highlightjs.org/ +[dash]: http://en.wikipedia.org/wiki/Dash +-} +type alias Options = + { githubFlavored : Maybe { tables : Bool, breaks : Bool } + , defaultHighlighting : Maybe String + , sanitize : Bool + , smartypants : Bool + } + + +{-| The `Options` used by the `toElement` and `toHtml` functions. + + { githubFlavored = Just { tables = False, breaks = False } + , defaultHighlighting = Nothing + , sanitize = False + , smartypants = False + } +-} +defaultOptions : Options +defaultOptions = + { githubFlavored = Just { tables = False, breaks = False } + , defaultHighlighting = Nothing + , sanitize = False + , smartypants = False + } + + +{-| Maybe you want to parse user input into markdown. To stop them from adding +` + + +Check console for output... diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/bounds.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/bounds.elm new file mode 100644 index 0000000..79b8ac4 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/bounds.elm @@ -0,0 +1,40 @@ +module Bounds exposing (..) + +{-| Demonstrate that, after creating ten million floats between 0 and 1, all +indeed fall inside that range. If you try this test with core (4.x) Random, it +will produce at least one value less than zero! This could have catastrophic +effects if you take the log or square root of this value, although more likely +it will just propogate NaN through your program. +-} + +import Random.Pcg as Random +import Html +import Html.App + + +n = + 10000000 + + +seed0 : Random.Seed +seed0 = + Random.initialSeed 628318530 + + +samples : List Float +samples = + Random.step (Random.list n (Random.float 0 1)) seed0 |> fst + + +range : ( Maybe Float, Maybe Float ) +range = + ( List.minimum samples, List.maximum samples ) + + +main : Program Never +main = + Html.App.beginnerProgram + { model = () + , update = \_ _ -> () + , view = \() -> Html.text <| toString <| range + } diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/Dieharder.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/Dieharder.elm new file mode 100644 index 0000000..e4a0755 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/Dieharder.elm @@ -0,0 +1,58 @@ +import String +import Task exposing (Task) +import Random.Pcg as Random + +import Console exposing (IO) + +name = "elm-random-pcg" + +n = 2e6 |> round +seed0 = 42 +bound = {lo = 0, hi = 0xFFFFFFFF} + +header : IO () +header = + Console.putStr <| "# " ++ name ++ "\n# seed: " ++ toString seed0 ++ "\ntype: d\ncount: " ++ + toString (12*n) ++ "\nnumbit: 32" + +body : List Int -> IO () +body ints = + Console.putStr "\n" + `Console.seq` + Console.putStr (List.map (toString >> String.padLeft 10 ' ') ints |> String.join "\n") + +core : Random.Seed -> (List Int, Random.Seed) +core seed = + let gen = Random.list n (Random.int bound.lo bound.hi) + in Random.step gen seed + +run1 : Random.Seed -> IO Random.Seed +run1 seed = + let (ints, seed2) = core seed + in body ints |> Console.map (\_ -> seed2) + +job : IO () +job = + header + `Console.seq` + run1 (Random.initialSeed seed0) + `Console.andThen` run1 + `Console.andThen` run1 + `Console.andThen` run1 + + `Console.andThen` run1 + `Console.andThen` run1 + `Console.andThen` run1 + + `Console.andThen` run1 + `Console.andThen` run1 + `Console.andThen` run1 + + `Console.andThen` run1 + `Console.andThen` run1 + `Console.seq` + Console.exit 0 + + +port io : Signal (Task x ()) +port io = Console.run job diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/README.md b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/README.md new file mode 100644 index 0000000..e64cdfa --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/README.md @@ -0,0 +1,27 @@ +# Dieharder tests for Random.Pcg + +**These tests rely on a library that has not been update for 0.17.** + +The purpose of testing the random number generator is twofold: one, show the deficiencies in the core implementation; +two, show the correctness of the Pcg implementation *in Elm*. Because we are testing the Elm implementation, not the Pcg +algorithm, we must feed dieharder a file of already-generated random numbers. I've seen sources recommending 10 million +random numbers; these tests use 24 million, but even so the files are "rewound", as many as 2500 times on later tests. + +For the original 19 diehard tests, the core fails 9 tests while Pcg fails none. (One test resulted in "weak" but further +investigation resulted in passing; we expect this on one test in 100). On the entire battery, core passes 29, fails 75, +and is weak in 10. Pcg passes 82, fails 24, and is weak in 8. Some of Pcg's strength may be attributed to its 64 bits of +state, compared to core's 32, but this does not excuse failing the less-comprehensive diehard tests. Conversely, many of +the failures can be attributed to reusing pre-generated random numbers. + +The source Elm is `Dieharder.elm`. Because the tests require more random numbers than can be stored in memory, they +output chunks of 2 million at a time. In order to reuse the code, `compile.sh` rewrites the file to change the Random +implementation. It also writes out the `.txt` data files, and then runs dieharder, logging the results. + +The result log files have been committed to version control; I would have liked to commit the data files but they're +huge, and only take a few minutes to generate. You are free to alter the random seed in the Elm code, and rerun the +tests with `sh compile` (which takes several hours to complete). That said, I encourage you to run it long enough to see +core fail the birthday test, after only five or six seconds of scrutiny. (The `dieharder` tool is available through most +package managers. Once the data files are generated, try `time dieharder -g 202 -f elm-core-random.txt -d 0`.) + +The Pcg paper uses the TestU01 (e.g. BigCrush) suite; I'm using dieharder since it was easier to get to work +reading from a file. diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/compile.sh b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/compile.sh new file mode 100644 index 0000000..b581fdc --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/compile.sh @@ -0,0 +1,24 @@ +#!/usr/bin/env bash + +set -e + +if [ ! -f elm-core-random.txt ]; then + sed -i.bak 's/import Random.Pcg as Random/import Random/g' Dieharder.elm + sed -i.bak 's/elm-random-pcg/elm-core-random/g' Dieharder.elm + elm make Dieharder.elm --output=raw_out.js + sh elm-io.sh raw_out.js generate_files.js + echo "Generating elm-core-random.txt..." + node generate_files.js > elm-core-random.txt + dieharder -g 202 -f elm-core-random.txt -a | tee dieharder-core.log +fi + +if [ ! -f elm-random-pcg.txt ]; then + sed -i.bak 's/import Random$/import Random.Pcg as Random/g' Dieharder.elm + sed -i.bak 's/elm-core-random/elm-random-pcg/g' Dieharder.elm + elm make Dieharder.elm --output=raw_out.js + sh elm-io.sh raw_out.js generate_files.js + echo "Generating elm-random-pcg.txt..." + node generate_files.js > elm-random-pcg.txt + dieharder -g 202 -f elm-random-pcg.txt -a | tee dieharder-pcg.log +fi + diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/elm-io.sh b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/elm-io.sh new file mode 100644 index 0000000..476fb98 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/elm-io.sh @@ -0,0 +1,19 @@ +#!/usr/bin/env bash + +# Script for use with the Console library to allow Elm to run on Node. + +if [ "$#" -ne 2 ]; then + echo "Usage: $0 " + exit 1 +fi + +read -d '' handler <<- EOF +(function(){ + if (typeof Elm === "undefined") { throw "elm-io config error: Elm is not defined. Make sure you call elm-io with a real Elm output file"} + if (typeof Elm.Main === "undefined" ) { throw "Elm.Main is not defined, make sure your module is named Main." }; + var worker = Elm.worker(Elm.Main); +})(); +EOF + +cat $1 > $2 +echo "$handler" >> $2 diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/elm-package.json b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/elm-package.json new file mode 100644 index 0000000..8df629e --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/dieharder/elm-package.json @@ -0,0 +1,15 @@ +{ + "version": "0.0.1", + "summary": "Dieharder tests for elm-random-pcg", + "repository": "https://github.com/user/project.git", + "license": "BSD3", + "source-directories": [ + ".", "../../src" + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "3.0.0 <= v < 4.0.0", + "laszlopandy/elm-console": "1.0.3 <= v < 2.0.0" + }, + "elm-version": "0.16.0 <= v < 0.17.0" +} diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/elm-package.json b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/elm-package.json new file mode 100644 index 0000000..2331821 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/elm-package.json @@ -0,0 +1,15 @@ +{ + "version": "0.0.1", + "summary": "Miscellaneous tests for elm-pcg-random", + "repository": "https://github.com/user/project.git", + "license": "BSD3", + "source-directories": [ + ".", "../src" + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "4.0.3 <= v < 5.0.0", + "elm-lang/html": "1.1.0 <= v < 2.0.0" + }, + "elm-version": "0.17.1 <= v < 0.18.0" +} diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/fastForward.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/fastForward.elm new file mode 100644 index 0000000..94f261e --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/fastForward.elm @@ -0,0 +1,61 @@ +module FastForwardTest exposing (..) + +{-| Compares the outputs of seeds created using the ordinary sequential stepping method, +and those created using the `fastForward` function. Note that we compare output, not the +seeds themselves, because somestimes the states get confused between signed and unsigned-- +this has no effect on the psuedo-random output. (Edit July 2016: not sure if that's true +anymore...) +-} + +import Random.Pcg as Random +import Html +import Html.App + + +n = + 100000 + + +seed0 : Random.Seed +seed0 = + Random.initialSeed 628318530 + + +stepped : List Random.Seed +stepped = + List.scanl + (\_ oldSeed -> Random.step Random.bool oldSeed |> snd) + seed0 + [1..n] + + +fastForwarded : List Random.Seed +fastForwarded = + List.map + (\i -> Random.fastForward i seed0) + [0..n] + + +gen = + Random.int 1 10000 + + +generate seed = + Random.step gen seed |> fst + + +bools = + List.map2 + (\seed1 seed2 -> generate seed1 == generate seed2) + stepped + fastForwarded + |> List.all identity + + +main : Program Never +main = + Html.App.beginnerProgram + { model = () + , update = \_ _ -> () + , view = \() -> Html.text <| toString <| bools + } diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/filterTest.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/filterTest.elm new file mode 100644 index 0000000..96737a6 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/filterTest.elm @@ -0,0 +1,35 @@ +module FilterTest exposing (..) + +import Html exposing (Html) +import Random.Pcg as Random + + +{-| This test checks that very difficult-to-satisfy filters do not result in a stack +overflow (just run slowly). The test will take several seconds to run! +-} +main : Html Never +main = + let + -- Try 'predicate i = False' to verify that the test hangs instead of + -- crashing with a stack overflow (indicating that tail recursion has + -- been properly optimized into a loop, which in this case happens to + -- be infinite). + predicate i = + i % 1000000 == 0 + + divisibleNumberGenerator = + Random.filter predicate (Random.int Random.minInt Random.maxInt) + + listGenerator = + Random.list 10 divisibleNumberGenerator + + initialSeed = + Random.initialSeed 1234 + + generatedList = + fst (Random.step listGenerator initialSeed) + in + -- You can verify that everything is working by observing that the generated + -- sum is in fact divisible by the chosen divisor (e.g. for a divisor of + -- 1000000 the sum should always have six trailing zeros) + Html.text (toString (List.sum generatedList)) diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/independentSeedTest.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/independentSeedTest.elm new file mode 100644 index 0000000..21cc1be --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/independentSeedTest.elm @@ -0,0 +1,40 @@ +module IndependentSeedTest exposing (..) + +import Html exposing (Html) +import Random.Pcg as Random exposing (Generator) +import Debug + + +{-| This test ensures that the 'independentSeed' generator actually produces +valid random seeds that can be stepped properly to produce distinct values. If +there is an error in 'independentSeed', at some point a seed such as 'Seed 0 +0' will be produced which when stepped will yield itself, resulting in an +infinite loop within 'filter' (since it will internally just keep generating +the same value over and over again). +-} +main : Html Never +main = + let + initialSeed = + Random.initialSeed 1234 + + seedListGenerator = + Random.list 1000 Random.independentSeed + + randomSeeds = + fst (Random.step seedListGenerator initialSeed) + + isDivisible i = + let + _ = + Debug.log "i" i + in + i /= 0 && i % 10 == 0 + + divisibleNumberGenerator = + Random.filter isDivisible (Random.int Random.minInt Random.maxInt) + + divisibleNumbers = + List.map (Random.step divisibleNumberGenerator >> fst) randomSeeds + in + Html.text (toString (List.sum divisibleNumbers)) diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/listTest.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/listTest.elm new file mode 100644 index 0000000..5d4e8bb --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/listTest.elm @@ -0,0 +1,60 @@ +module ListTest exposing (..) + +{-| The central limit theorem states that if you sample any distribution and take the mean, and do that many times, +those means will be on a standard distribution. + +That's exactly what this test does, using an independent seed. Judging how "good" the distribution is versus how good it +"should" be is beyond the scope of this example. This test is really to show that independent seeds aren't *trivially* +wrong. +-} + +import Dict exposing (Dict) +import Random.Pcg as Random +import Html +import Html.App + + +seed0 : Random.Seed +seed0 = + Random.initialSeed 628318530 |> Random.step Random.independentSeed |> snd + + +gen = + Random.int 1 6 + |> Random.list 15 + |> Random.map mean + |> Random.map (\x -> round (10 * x)) + |> Random.list 800 + |> Random.map toMultiSet + + +mean : List Int -> Float +mean xs = + toFloat (List.sum xs) / toFloat (List.length xs) + + +toMultiSet : List Int -> Dict Int Int +toMultiSet list = + let + helper xs d = + case xs of + [] -> + d + + x :: xs -> + helper xs <| Dict.insert x (Dict.get x d |> Maybe.withDefault 0 |> (+) 1) d + in + helper list Dict.empty + + +generated = + Random.step gen seed0 |> fst + + +main : Program Never +main = + Html.App.beginnerProgram + { model = () + , update = \_ _ -> () + , view = \() -> Html.text <| toString <| generated + } diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/README.md b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/README.md new file mode 100644 index 0000000..2d013b2 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/README.md @@ -0,0 +1,7 @@ +# Port test + +``` +elm make Test.elm --output=elm.js +``` + +This shows how to hook up ports to the random number generator to produce different values each time. diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/Test.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/Test.elm new file mode 100644 index 0000000..18e79d1 --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/Test.elm @@ -0,0 +1,13 @@ +module Test where + +import Graphics.Element exposing (show) +import Random.Pcg as Random + +port randomSeed : (Int, Int) + +seed0 : Random.Seed +seed0 = (uncurry Random.initialSeed2) randomSeed + +gen = Random.list 32 (Random.int 1 6) + +main = show <| fst <| Random.generate gen seed0 diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/elm-package.json b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/elm-package.json new file mode 100644 index 0000000..208b14c --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/port/elm-package.json @@ -0,0 +1,14 @@ +{ + "version": "1.0.0", + "summary": "helpful summary of your project, less than 80 characters", + "repository": "https://github.com/user/project.git", + "license": "BSD3", + "source-directories": [ + ".", "../../src/" + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "3.0.0 <= v < 4.0.0" + }, + "elm-version": "0.16.0 <= v < 0.17.0" +} diff --git a/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/rewind.elm b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/rewind.elm new file mode 100644 index 0000000..f42a94d --- /dev/null +++ b/part7/tests/elm-stuff/packages/mgold/elm-random-pcg/5.0.2/test/rewind.elm @@ -0,0 +1,34 @@ +module RewindTest exposing (..) + +{-| Demonstrates that `fastForward` may also be used to rewind. We create a seed, fastForward it, then rewind it to get +back the original seed. +-} + +import Random.Pcg as Random +import Html +import Html.App + + +n = + 31 + + +seed0 = + Random.initialSeed 628318 + + +seed1 = + Random.fastForward n seed0 + + +seed2 = + Random.fastForward -n seed1 + + +main : Program Never +main = + Html.App.beginnerProgram + { model = () + , update = \_ _ -> () + , view = \() -> Html.text <| toString [ seed0, seed1, seed2 ] + } diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/.gitignore b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/.gitignore new file mode 100644 index 0000000..572b5fa --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/.gitignore @@ -0,0 +1,30 @@ +# Logs +logs +*.log + +# Runtime data +pids +*.pid +*.seed + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (http://nodejs.org/api/addons.html) +build/Release + +# Dependency directory +# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git +node_modules + +# Elm packages and build artifacts +elm-stuff diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/CHANGELOG.md b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/CHANGELOG.md new file mode 100644 index 0000000..9030e8f --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/CHANGELOG.md @@ -0,0 +1,5 @@ +## Releases +| Version | Notes | +| ------- | ----- | +| [**2.0.0**](https://github.com/rtfeldman/elm-validate/tree/1.0.0) | Change Validator to be a union type, replace `ifInvalid` with `ifTrue` and `ifFalse`, rearrange arguments of `ifBlank` and similar functions, replace `eager` with `firstError`, and expose `isBlank`, `isInt`, and `isValidEmail`. +| [**1.0.0**](https://github.com/rtfeldman/elm-validate/tree/1.0.0) | Initial Release diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/LICENSE b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/LICENSE new file mode 100644 index 0000000..af711e0 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/LICENSE @@ -0,0 +1,28 @@ +Copyright (c) 2015, Richard Feldman +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of elm-validate nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/README.md b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/README.md new file mode 100644 index 0000000..be1baf7 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/README.md @@ -0,0 +1,63 @@ +# elm-validate + +`elm-validate` provides convenience functions for validating data. + +It is based around the idea of a `Validator`, which runs checks on a +subject and returns a list of errors representing anything invalid about +that subject. If the list is empty, the subject is valid. + +For example: + +```elm +import Validate exposing (ifBlank, ifNotInt, validate) + + +type alias Model = + { name : String, email : String, age : String, selections : List String } + + +modelValidator : Validator Model String +modelValidator = + Validate.all + [ ifBlank .name "Please enter a name." + , ifBlank .email "Please enter an email address." + , ifNotInt .age "Age must be a whole number." + , ifEmptyList .selections "Please select at least one." + ] + + +validate modelValidator + { name = "Sam", email = "", age = "abc", selections = [ "cats" ] } + == [ "Please enter an email address.", "Age must be a whole number." ] + --> True +``` + +You can represent your errors however you like. One nice approach is to use +tuple of the error message and the field responsible for the error: + +```elm +type Field = + Name | Email | Age | Selections + + +modelValidator : Validator ( Field, String ) Model +modelValidator = + Validate.all + [ ifBlank .name ( Name, "Please enter a name." ) + , ifBlank .email ( Email, "Please enter an email address." ) + , ifNotInt .age ( Age, "Age must be a whole number." ) + , ifEmptyList .selections ( Selections, "Please select at least one." ) + ] + + +type alias Model = + { name : String, email : String, age : String } + + +validate modelValidator + { name = "Sam", email = "", age = "abc", selections = [ "cats" ] } + == [ ( Email, "Please enter an email address." ) + , ( Age, "Age must be a whole number." ) + ] + --> True +``` diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/elm-package.json b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/elm-package.json new file mode 100644 index 0000000..395c724 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/elm-package.json @@ -0,0 +1,16 @@ +{ + "version": "2.0.0", + "summary": "Convenience functions for validating data.", + "repository": "https://github.com/rtfeldman/elm-validate.git", + "license": "BSD-3-Clause", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "Validate" + ], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/examples/SignupForm.elm b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/examples/SignupForm.elm new file mode 100644 index 0000000..6514a54 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/examples/SignupForm.elm @@ -0,0 +1,36 @@ +module SignupForm exposing (..) + +import Validate exposing (Validator, ifBlank, ifEmptyList, ifInvalidEmail, ifNotInt, validate) + + +type alias Model = + { name : String, email : String, age : String, selections : List Float } + + +type Field + = Name + | Email + | Age + | Selections + + +modelValidator : Validator ( Field, String ) Model +modelValidator = + Validate.all + [ ifBlank .name ( Name, "Please enter a name." ) + , Validate.firstError + [ ifBlank .email ( Email, "Please enter an email address." ) + , ifInvalidEmail .email ( Email, "This is not a valid email address." ) + ] + , ifNotInt .age ( Age, "Age must be a whole number." ) + , ifEmptyList .selections ( Selections, "Please select at least one." ) + ] + + +result : Bool +result = + validate modelValidator + { name = "Sam", email = "", age = "abc", selections = [ 1.2 ] } + == [ ( Email, "Please enter an email address." ) + , ( Age, "Age must be a whole number." ) + ] diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/examples/elm-package.json b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/examples/elm-package.json new file mode 100644 index 0000000..1d4a10a --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/examples/elm-package.json @@ -0,0 +1,15 @@ +{ + "version": "1.0.0", + "summary": "Examples for elm-validate", + "repository": "https://github.com/rtfeldman/elm-validate.git", + "license": "BSD-3-Clause", + "source-directories": [ + "../src", + "." + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/src/Validate.elm b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/src/Validate.elm new file mode 100644 index 0000000..211abfa --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/src/Validate.elm @@ -0,0 +1,377 @@ +module Validate + exposing + ( Validator + , all + , any + , firstError + , ifBlank + , ifEmptyDict + , ifEmptyList + , ifEmptySet + , ifFalse + , ifInvalidEmail + , ifNotInt + , ifNothing + , ifTrue + , isBlank + , isInt + , isValidEmail + , validate + ) + +{-| Convenience functions for validating data. + + import Validate exposing (ifBlank, ifNotInt, validate) + + type Field = Name | Email | Age + + type alias Model = { name : String, email : String, age : String } + + modelValidator : Validator String Model + modelValidator = + Validate.all + [ ifBlank .name "Please enter a name." + , Validate.firstError + [ ifBlank .email "Please enter an email address." + , ifInvalidEmail .email "This is not a valid email address." + ] + , ifNotInt .age "Age must be a whole number." + ] + + validate modelValidator { name = "Sam", email = "blah", age = "abc" } + --> [ "This is not a valid email address.", "Age must be a whole number." ] + + +# Validating a subject + +@docs Validator, validate + + +# Creating validators + +@docs ifBlank, ifNotInt, ifEmptyList, ifEmptyDict, ifEmptySet, ifNothing, ifInvalidEmail, ifTrue, ifFalse + + +# Combining validators + +@docs all, any, firstError + + +# Checking values directly + +@docs isBlank, isInt, isValidEmail + +-} + +import Dict exposing (Dict) +import Regex exposing (Regex) +import Set exposing (Set) +import String + + +-- VALIDATING A SUBJECT -- + + +{-| A `Validator` contains a function which takes a subject and returns a list +of errors describing anything invalid about that subject. + +Pass it to [`validate`](#validate) to get the list of errors. +An empty error list means the subject was valid. + +-} +type Validator error subject + = Validator (subject -> List error) + + +{-| Return an error if the given predicate returns `True` for the given +subject. + + import Validate exposing (ifBlank, ifNotInt, validate) + + type Field = Name | Email | Age + + type alias Model = { name : String, email : String, age : String } + + modelValidator : Validator ( Field, String ) Model + modelValidator = + Validate.all + [ ifBlank .name ( Name, "Please enter a name." ) + , ifBlank .email ( Email, "Please enter an email address." ) + , ifNotInt .age ( Age, "Age must be a whole number." ) + ] + + validate modelValidator { name = "Sam", email = "", age = "abc" } + --> [ ( Email, "Please enter an email address." ), ( Age, "Age must be a whole number." ) ] + +-} +validate : Validator error subject -> subject -> List error +validate (Validator getErrors) subject = + getErrors subject + + + +-- CONSTRUCTING VALIDATORS -- + + +{-| Return an error if the given `String` is empty, or if it contains only +whitespace characters. + + import Validate exposing (ifBlank, ifNotInt) + + modelValidator : Validator Model String + modelValidator = + Validate.all + [ ifBlank .name "Please enter a name." + , ifBlank .email "Please enter an email address." + ] + +-} +ifBlank : (subject -> String) -> error -> Validator error subject +ifBlank subjectToString error = + ifTrue (\subject -> isBlank (subjectToString subject)) error + + +{-| Return an error if the given `String` cannot be parsed as an `Int`. +-} +ifNotInt : (subject -> String) -> error -> Validator error subject +ifNotInt subjectToString error = + ifFalse (\subject -> isInt (subjectToString subject)) error + + +{-| Return an error if a `List` is empty. +-} +ifEmptyList : (subject -> List a) -> error -> Validator error subject +ifEmptyList subjectToList error = + ifTrue (\subject -> List.isEmpty (subjectToList subject)) error + + +{-| Return an error if a `Dict` is empty. +-} +ifEmptyDict : (subject -> Dict comparable v) -> error -> Validator error subject +ifEmptyDict subjectToDict error = + ifTrue (\subject -> Dict.isEmpty (subjectToDict subject)) error + + +{-| Return an error if a `Set` is empty. +-} +ifEmptySet : (subject -> Set comparable) -> error -> Validator error subject +ifEmptySet subjectToSet error = + ifTrue (\subject -> Set.isEmpty (subjectToSet subject)) error + + +{-| Return an error if a `Maybe` is `Nothing`. +-} +ifNothing : (subject -> Maybe a) -> error -> Validator error subject +ifNothing subjectToMaybe error = + ifTrue (\subject -> subjectToMaybe subject == Nothing) error + + +{-| Return an error if an email address is malformed. +-} +ifInvalidEmail : (subject -> String) -> error -> Validator error subject +ifInvalidEmail subjectToEmail error = + ifFalse (\subject -> isValidEmail (subjectToEmail subject)) error + + +{-| Return an error if a predicate returns `True` for the given +subject. + + import Validate exposing (ifTrue) + + modelValidator : Validator Model String + modelValidator = + ifTrue (\model -> countSelected model < 2) + "Please select at least two." + +-} +ifTrue : (subject -> Bool) -> error -> Validator error subject +ifTrue test error = + let + getErrors subject = + if test subject then + [ error ] + else + [] + in + Validator getErrors + + +{-| Return an error if a predicate returns `False` for the given +subject. + + import Validate exposing (ifFalse) + + modelValidator : Validator Model String + modelValidator = + ifFalse (\model -> countSelected model >= 2) + "Please select at least two." + +-} +ifFalse : (subject -> Bool) -> error -> Validator error subject +ifFalse test error = + let + getErrors subject = + if test subject then + [] + else + [ error ] + in + Validator getErrors + + + +-- COMBINING VALIDATORS -- + + +{-| Run each of the given validators, in order, and return their concatenated +error lists. + + import Validate exposing (ifBlank, ifNotInt) + + modelValidator : Validator Model String + modelValidator = + Validate.all + [ ifBlank .name "Please enter a name." + , ifBlank .email "Please enter an email address." + , ifNotInt .age "Age must be a whole number." + ] + +-} +all : List (Validator error subject) -> Validator error subject +all validators = + let + newGetErrors subject = + let + accumulateErrors (Validator getErrors) totalErrors = + totalErrors ++ getErrors subject + in + List.foldl accumulateErrors [] validators + in + Validator newGetErrors + + +{-| Run each of the given validators, in order, stopping after the first error +and returning it. If no errors are encountered, return `Nothing`. + + import Validate exposing (ifBlank, ifInvalidEmail, ifNotInt) + + + type alias Model = + { email : String, age : String } + + + modelValidator : Validator String Model + modelValidator = + Validate.all + [ Validate.firstError + [ ifBlank .email "Please enter an email address." + , ifInvalidEmail .email "This is not a valid email address." + ] + , ifNotInt .age "Age must be a whole number." + ] + + + validate modelValidator { email = " ", age = "5" } + --> [ "Please enter an email address." ] + + validate modelValidator { email = "blah", age = "5" } + --> [ "This is not a valid email address." ] + + validate modelValidator { email = "foo@bar.com", age = "5" } + --> [] + +-} +firstError : List (Validator error subject) -> Validator error subject +firstError validators = + let + getErrors subject = + firstErrorHelp validators subject + in + Validator getErrors + + +firstErrorHelp : List (Validator error subject) -> subject -> List error +firstErrorHelp validators subject = + case validators of + [] -> + [] + + (Validator getErrors) :: rest -> + case getErrors subject of + [] -> + firstErrorHelp rest subject + + errors -> + errors + + +{-| Return `True` if none of the given validators returns any errors for the given +subject, and `False` if any validator returns one or more errors. +-} +any : List (Validator error subject) -> subject -> Bool +any validators subject = + case validators of + [] -> + True + + (Validator getErrors) :: others -> + case getErrors subject of + [] -> + any others subject + + error :: _ -> + False + + + +-- CHECKING VALUES DIRECTLY -- + + +{-| Returns `True` if the given string is nothing but whitespace. + +[`ifBlank`](#ifBlank) uses this under the hood. + +-} +isBlank : String -> Bool +isBlank str = + Regex.contains lacksNonWhitespaceChars str + + +{-| Returns `True` if the email is malformed. + +[`ifInvalidEmail`](#ifInvalidEmail) uses this under the hood. + +-} +isValidEmail : String -> Bool +isValidEmail email = + Regex.contains validEmail email + + +{-| Returns `True` if `String.toInt` on the given string returns an `Ok`. + +[`ifNotInt`](#ifNotInt) uses this under the hood. + +-} +isInt : String -> Bool +isInt str = + case String.toInt str of + Ok _ -> + True + + Err _ -> + False + + + +-- INTERNAL HELPERS -- + + +lacksNonWhitespaceChars : Regex +lacksNonWhitespaceChars = + Regex.regex "^\\s*$" + + +validEmail : Regex +validEmail = + Regex.regex "^[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$" + |> Regex.caseInsensitive diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/ValidateTests.elm b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/ValidateTests.elm new file mode 100644 index 0000000..f44ae7e --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/ValidateTests.elm @@ -0,0 +1,52 @@ +module ValidateTests exposing (..) + +import Expect exposing (Expectation) +import Fuzz exposing (Fuzzer, int, list, string) +import Test exposing (..) +import Validate + + +blankness : Test +blankness = + describe "blankness" + [ test "empty string is blank" <| + \() -> + "" + |> Validate.isBlank + |> Expect.true "Validate.isBlank should have considered empty string blank" + , fuzz whitespace "whitespace characters are blank" <| + \str -> + str + |> Validate.isBlank + |> Expect.true "Validate.isBlank should consider whitespace blank" + , fuzz2 whitespace whitespace "non-whitespace characters mean it's not blank" <| + \prefix suffix -> + (prefix ++ "_" ++ suffix) + |> Validate.isBlank + |> Expect.false "Validate.isBlank shouldn't consider strings containing non-whitespace characters blank" + ] + + +email : Test +email = + describe "email" + [ test "empty string is not a valid email" <| + \() -> + "" + |> Validate.isValidEmail + |> Expect.false "Validate.isValidEmail should have considered empty string blank" + , test "valid email is valid" <| + \() -> + "foo@bar.com" + |> Validate.isValidEmail + |> Expect.true "Validate.isValidEmail should have considered foo@bar.com a valid email address" + ] + + +whitespace : Fuzzer String +whitespace = + [ ' ', ' ', '\t', '\n' ] + |> List.map Fuzz.constant + |> Fuzz.oneOf + |> Fuzz.list + |> Fuzz.map String.fromList diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/elm-package.json b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/elm-package.json new file mode 100644 index 0000000..0d2d828 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/elm-package.json @@ -0,0 +1,16 @@ +{ + "version": "1.0.0", + "summary": "Test Suites", + "repository": "https://github.com/rtfeldman/elm-validate.git", + "license": "BSD-3-Clause", + "source-directories": [ + "../src", + "." + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0", + "elm-community/elm-test": "4.0.0 <= v < 5.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} \ No newline at end of file diff --git a/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/elm-verify-examples.json b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/elm-verify-examples.json new file mode 100644 index 0000000..1feeb5c --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/elm-validate/2.0.0/tests/elm-verify-examples.json @@ -0,0 +1,4 @@ +{ + "root": "../src", + "tests": [ "Validate" ] +} diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/.gitignore b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/.gitignore new file mode 100644 index 0000000..a594364 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/.gitignore @@ -0,0 +1,4 @@ +# elm-package generated files +elm-stuff/ +# elm-repl generated files +repl-temp-* diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/LICENSE b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/LICENSE new file mode 100644 index 0000000..5118a7c --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/LICENSE @@ -0,0 +1,29 @@ +BSD 3-Clause License + +Copyright (c) 2017, Richard Feldman +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/README.md b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/README.md new file mode 100644 index 0000000..4fb760b --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/README.md @@ -0,0 +1,5 @@ +# SelectList + +A `SelectList` is a nonempty list which always has exactly one element selected. + +It is an example of a list [zipper](https://en.wikipedia.org/wiki/Zipper_(data_structure)). diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/elm-package.json b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/elm-package.json new file mode 100644 index 0000000..8b06944 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/elm-package.json @@ -0,0 +1,16 @@ +{ + "version": "1.0.0", + "summary": "A nonempty list in which exactly one element is always selected.", + "repository": "https://github.com/rtfeldman/selectlist.git", + "license": "BSD-3-Clause", + "source-directories": [ + "src" + ], + "exposed-modules": [ + "SelectList" + ], + "dependencies": { + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/src/SelectList.elm b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/src/SelectList.elm new file mode 100644 index 0000000..8eada0e --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/src/SelectList.elm @@ -0,0 +1,272 @@ +module SelectList + exposing + ( SelectList + , map + , mapBy + , Position(..) + , fromLists + , select + , prepend + , append + , before + , after + , selected + , toList + , singleton + ) + +{-| A `SelectList` is a nonempty list which always has exactly one element selected. + +It is an example of a list [zipper](https://en.wikipedia.org/wiki/Zipper_(data_structure)). + +@docs SelectList, fromLists, singleton + + +## Reading + +@docs toList, before, selected, after + + +## Transforming + +@docs map, mapBy, Position, select, append, prepend + +-} + + +{-| A nonempty list which always has exactly one element selected. + +Create one using [`fromLists`](#fromLists). + +-} +type SelectList a + = SelectList (List a) a (List a) + + +{-| Return the elements before the selected element. + + import SelectList + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.before + + == [ 1, 2 ] + +-} +before : SelectList a -> List a +before (SelectList beforeSel _ _) = + beforeSel + + +{-| Return the elements after the selected element. + + import SelectList + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.after + + == [ 3, 4, 5 ] + +-} +after : SelectList a -> List a +after (SelectList _ _ afterSel) = + afterSel + + +{-| Return the selected element. + + import SelectList + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.selected + + == 3 + +-} +selected : SelectList a -> a +selected (SelectList _ sel _) = + sel + + +{-| A `SelectList` containing exactly one element. + + import SelectList + + SelectList.singleton "foo" + + == SelectList.fromLists [] "foo" [] + +-} +singleton : a -> SelectList a +singleton sel = + SelectList [] sel [] + + +{-| Transform each element of the `SelectList`. The transform +function receives a `Position` which is `Selected` if it was passed +the SelectList's selected element, `BeforeSelected` if it was passed an element +before the selected element, and `AfterSelected` otherwise. + + import SelectList exposing (Position(..)) + + doubleOrNegate position num = + if position == Selected then + num * -1 + else + num * 2 + + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.mapBy doubleOrNegate + + == SelectList.fromLists [ 2, 4 ] -3 [ 8, 10, 12 ] + +-} +mapBy : (Position -> a -> b) -> SelectList a -> SelectList b +mapBy transform (SelectList beforeSel sel afterSel) = + SelectList + (List.map (transform BeforeSelected) beforeSel) + (transform Selected sel) + (List.map (transform AfterSelected) afterSel) + + +{-| Used with [`mapBy`](#mapBy). +-} +type Position + = BeforeSelected + | Selected + | AfterSelected + + +{-| Transform each element of the `SelectList`. + + import SelectList + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.map (\num -> num * 2) + + == SelectList.fromLists [ 2, 4 ] 6 [ 8, 10, 12 ] + +-} +map : (a -> b) -> SelectList a -> SelectList b +map transform (SelectList beforeSel sel afterSel) = + SelectList + (List.map transform beforeSel) + (transform sel) + (List.map transform afterSel) + + +{-| Returns a `SelectList`. + + import SelectList + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.selected + + == 3 + +-} +fromLists : List a -> a -> List a -> SelectList a +fromLists = + SelectList + + +{-| Change the selected element to the first one which passes a +predicate function. If no elements pass, the `SelectList` is unchanged. + + import SelectList + + isEven num = + num % 2 == 0 + + + SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 6 ] + |> SelectList.select isEven + + == SelectList.fromLists [ 1 ] 2 [ 3, 4, 5, 6 ] + +-} +select : (a -> Bool) -> SelectList a -> SelectList a +select isSelectable ((SelectList beforeSel sel afterSel) as original) = + case selectHelp isSelectable beforeSel sel afterSel of + Nothing -> + original + + Just ( newBefore, newSel, newAfter ) -> + SelectList newBefore newSel newAfter + + +selectHelp : (a -> Bool) -> List a -> a -> List a -> Maybe ( List a, a, List a ) +selectHelp isSelectable beforeList selectedElem afterList = + case ( beforeList, afterList ) of + ( [], [] ) -> + Nothing + + ( [], first :: rest ) -> + if isSelectable selectedElem then + Just ( beforeList, selectedElem, afterList ) + else if isSelectable first then + Just ( beforeList ++ [ selectedElem ], first, rest ) + else + case selectHelp isSelectable [] first rest of + Nothing -> + Nothing + + Just ( newBefore, newSelected, newAfter ) -> + Just ( selectedElem :: newBefore, newSelected, newAfter ) + + ( first :: rest, _ ) -> + if isSelectable first then + Just ( [], first, (rest ++ selectedElem :: afterList) ) + else + case selectHelp isSelectable rest selectedElem afterList of + Nothing -> + Nothing + + Just ( newBefore, newSelected, newAfter ) -> + Just ( first :: newBefore, newSelected, newAfter ) + + +{-| Add elements to the end of a `SelectList`. + + import SelectList + + SelectList.fromLists [ 1, 2 ] 3 [ 4 ] + |> SelectList.append [ 5, 6 ] + + == SelectList.fromLists [ 1 ] 2 [ 3, 4, 5, 6 ] + +-} +append : List a -> SelectList a -> SelectList a +append list (SelectList beforeSel sel afterSel) = + SelectList beforeSel sel (afterSel ++ list) + + +{-| Add elements to the beginning of a `SelectList`. + + import SelectList + + SelectList.fromLists [ 3 ] 4 [ 5, 6 ] + |> SelectList.prepend [ 1, 2 ] + + == SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 6 ] + +-} +prepend : List a -> SelectList a -> SelectList a +prepend list (SelectList beforeSel sel afterSel) = + SelectList (list ++ beforeSel) sel afterSel + + +{-| Return a `List` containing the elements in a `SelectList`. + + import SelectList + + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 6 ] + |> SelectList.toList + + == [ 1, 2, 3, 4, 5, 6 ] + +-} +toList : SelectList a -> List a +toList (SelectList beforeSel sel afterSel) = + beforeSel ++ sel :: afterSel diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/tests/Tests.elm b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/tests/Tests.elm new file mode 100644 index 0000000..76b0776 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/tests/Tests.elm @@ -0,0 +1,164 @@ +module Tests exposing (..) + +import Test exposing (..) +import Expect exposing (Expectation) +import Fuzz exposing (list, int, tuple, string) +import SelectList exposing (Position(..)) +import List.Extra + + +access : Test +access = + describe "before, selected, after" + [ fuzzSegments "before" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.before + |> Expect.equal beforeSel + , fuzzSegments "selected" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.selected + |> Expect.equal sel + , fuzzSegments "after" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.after + |> Expect.equal afterSel + , fuzzSegments "toList" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.toList + |> Expect.equal (beforeSel ++ sel :: afterSel) + ] + + +transforming : Test +transforming = + describe "transforming" <| + [ fuzzSegments "append" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.append beforeSel + |> Expect.equal (SelectList.fromLists beforeSel sel (afterSel ++ beforeSel)) + , fuzzSegments "prepend" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.prepend afterSel + |> Expect.equal (SelectList.fromLists (afterSel ++ beforeSel) sel afterSel) + , describe "mapBy" + [ fuzzSegments "mapBy transforms every element" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.mapBy (\_ num -> num * sel) + |> Expect.equal + (SelectList.fromLists + (List.map (\num -> num * sel) beforeSel) + (sel * sel) + (List.map (\num -> num * sel) afterSel) + ) + , fuzzSegments "mapBy passes the selected elem" <| + \beforeSel sel afterSel -> + SelectList.fromLists beforeSel sel afterSel + |> SelectList.mapBy (\isSelected _ -> isSelected) + |> Expect.equal + (SelectList.fromLists + (List.map (\_ -> BeforeSelected) beforeSel) + Selected + (List.map (\_ -> AfterSelected) afterSel) + ) + ] + , describe "select" + [ fuzzSegments "is a no-op when trying to select what's already selected" <| + \beforeSel sel afterSel -> + let + original = + -- make only the selected one negative + SelectList.fromLists beforeSel sel afterSel + |> SelectList.mapBy + (\position elem -> + if position == Selected then + negate elem + else + elem + ) + in + original + |> SelectList.select (\num -> num < 0) + |> Expect.equal original + , fuzzSegments "is a no-op when the predicate fails every time" <| + \beforeSel sel afterSel -> + let + original = + SelectList.fromLists beforeSel sel afterSel + in + original + |> SelectList.select (\num -> num < 0) + |> Expect.equal original + , fuzzSegments "selects the first one it finds" <| + \beforeSel sel afterSel -> + let + predicate num = + num > 5 + + firstInList = + (beforeSel ++ sel :: afterSel) + |> List.Extra.find predicate + |> Maybe.withDefault sel + in + SelectList.fromLists beforeSel sel afterSel + |> SelectList.select predicate + |> SelectList.selected + |> Expect.equal firstInList + , describe "selects the first one it finds in a hardcoded list" + [ test "where it's the beginning of the `before` list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 1 ] + |> SelectList.select (\num -> num > 0) + |> Expect.equal (SelectList.fromLists [] 1 [ 2, 3, 4, 5, 2, 1 ]) + , test "where it's the middle of the `before` list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 1 ] + |> SelectList.select (\num -> num > 1) + |> Expect.equal (SelectList.fromLists [ 1 ] 2 [ 3, 4, 5, 2, 1 ]) + , test "where it's the end of the `before` list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 1 ] + |> SelectList.select (\num -> num > 2) + |> Expect.equal (SelectList.fromLists [ 1, 2 ] 3 [ 4, 5, 2, 1 ]) + , test "where it's the selected element in the list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 1 ] + |> SelectList.select (\num -> num > 3) + |> Expect.equal (SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 1 ]) + , test "where it's the beginning of the `after` list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 5, 1 ] + |> SelectList.select (\num -> num > 4) + |> Expect.equal (SelectList.fromLists [ 1, 2, 3, 4 ] 5 [ 2, 5, 1 ]) + , test "where it's the middle of the `after` list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 5, 6, 1, 6, 7 ] + |> SelectList.select (\num -> num > 5) + |> Expect.equal (SelectList.fromLists [ 1, 2, 3, 4, 5, 2, 5 ] 6 [ 1, 6, 7 ]) + , test "where it's the end of the `after` list" <| + \() -> + SelectList.fromLists [ 1, 2, 3 ] 4 [ 5, 2, 5, 6, 1, 6, 7 ] + |> SelectList.select (\num -> num > 6) + |> Expect.equal (SelectList.fromLists [ 1, 2, 3, 4, 5, 2, 5, 6, 1, 6 ] 7 []) + ] + ] + ] + + +{-| Choose positive ints so that we can throw a negative one in there and +detect it later. +-} +fuzzSegments : String -> (List Int -> Int -> List Int -> Expectation) -> Test +fuzzSegments = + fuzz3 (list positiveInt) positiveInt (list positiveInt) + + +positiveInt : Fuzz.Fuzzer Int +positiveInt = + Fuzz.map abs int diff --git a/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/tests/elm-package.json b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/tests/elm-package.json new file mode 100644 index 0000000..020df54 --- /dev/null +++ b/part7/tests/elm-stuff/packages/rtfeldman/selectlist/1.0.0/tests/elm-package.json @@ -0,0 +1,17 @@ +{ + "version": "1.0.0", + "summary": "Test Suites", + "repository": "https://github.com/elm-community/elm-test.git", + "license": "BSD-3-Clause", + "source-directories": [ + "../src", + "." + ], + "exposed-modules": [], + "dependencies": { + "elm-community/elm-test": "4.0.0 <= v < 5.0.0", + "elm-community/list-extra": "6.0.0 <= v < 7.0.0", + "elm-lang/core": "5.0.0 <= v < 6.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +}