index.js

const express = require("express");

const app = express();

const defaults = [
  {
    title: "7時に起床する",
    priority: 3,
  },
  {
    title: "学校に行く",
    priority: 3,
  },
  {
    title: "開発をする",
    priority: 2,
  },
  {
    title: "早めに就寝する",
    priority: 1,
  },
];
let todos = defaults;

app.use(express.json());

app.get("/", (req, res) => {
  res.send("Hello World!");
});

app.get("/todos", (req, res) => {
  res.json(todos);
});

app.post("/todos", (req, res) => {
  const { title, priority } = req.body;
  console.log("title", title);
  console.log("priority", priority);
  todos.push({
    title: title,
    priority: priority || 2,
  });
  res.status(201);
  res.send("Success!");
});

app.delete("/todos", (req, res) => {
  todos = defaults;
  res.status(200).send("Clear");
});

app.listen(process.env.PORT || 8080, () => {
  console.log(process.env.PORT || 8080);
});