Add task list demo application

examples/task-list/server/index.js

@@ -0,0 +1,65 @@
+import express from 'express';
+import bodyParser from 'body-parser';
+import chalk from 'chalk';
+
+import {
+  getTasks,
+  getTask,
+  createTask,
+  updateTask,
+  deleteTask,
+} from './tasks.js';
+
+const app = express();
+app.use(bodyParser.json());
+
+app.get('/api/tasks', (req, res) => {
+  const tasks = getTasks();
+  res.json(tasks);
+});
+
+app.post('/api/tasks', (req, res) => {
+  const { title } = req.body;
+  if (!title) {
+    return res.status(400).json({ message: 'A title is required' });
+  }
+  const task = createTask(title);
+  res.status(201).json(task);
+});
+
+app.get('/api/tasks/:id', (req, res) => {
+  const task = getTask(req.params.id);
+
+  if (!task) {
+    return res.status(404).json({ message: 'Task not found' });
+  }
+
+  res.json(task);
+});
+
+app.patch('/api/tasks/:id', (req, res) => {
+  const { title, completed } = req.body;
+
+  const task = updateTask(req.params.id, { title, completed });
+
+  if (!task) {
+    return res.status(404).json({ message: 'Task not found' });
+  }
+
+  res.sendStatus(204);
+});
+
+app.delete('/api/tasks/:id', (req, res) => {
+  const task = deleteTask(req.params.id);
+
+  if (!task) {
+    return res.status(404).json({ message: 'Task not found' });
+  }
+
+  res.status(204).send(); // No content to send back
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(chalk.magenta(`Server is running on port ${chalk.green(PORT)}…`));
+});