used eslint

exercises/06_code_quality/todo/.eslintrc.js

@@ -0,0 +1,17 @@
+module.exports = {
+    "env": {
+        "browser": true,
+        "es6": true
+    },
+    "extends": "eslint:recommended",
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "rules": {
+    }
+};

exercises/06_code_quality/todo/index.js

@@ -1,58 +1,58 @@
 #!/usr/bin/env node
 
-var Koa = require("koa")  
-var Router = require("koa-router"); 
-var stat = require("koa-static");
-var bodyParser = require("koa-bodyparser");
-var handlebars = require("koa-hbs-renderer");	
+const Koa = require('koa')
+const Router = require('koa-router')
+const stat = require('koa-static')
+const bodyParser = require('koa-bodyparser')
+const handlebars = require('koa-hbs-renderer')
 
-var app = new Koa();
-var router = new Router();
-app.use(stat ("public"));
-app.use(bodyParser());
-app.use(handlebars({ paths: { views: __dirname + "/views" } }));
-app.use(router.routes());
+const app = new Koa()
+const router = new Router()
+app.use(stat('public'))
+app.use(bodyParser())
+app.use(handlebars({ paths: { views: `${__dirname }/views` } }))
+app.use(router.routes())
 
-var port = 8080
+const port = 8080
 
 const List = require('./modules/list').List
 const list = new List()
 
-router.get("/", async function(ctx) {
-    try {
-        var items = list.getAll() // you will need to REPLACE this with a call to the 'list' object!!!
-        console.log(items)
-        var data = {items}
-        ctx.render('home', data);
-    } catch(err) {
-        console.log(err.message);
-        ctx.render('home', {msg: err.message});
-    }
-});
-
-router.post("/", function(ctx) {
-    try {
-        var body = ctx.request.body;
-        console.log(body)
-        list.add(body.item, body.qty)// you will need to add a call to the 'list' object!!!		
-        ctx.redirect("/"); 
-    } catch(err) {
-        console.log(err.message);	
-        ctx.redirect("/?msg=" + err.message); 
-    }
-});
-
-router.get("/delete/:key", function(ctx) { 
-    try {
-        console.log(`key: ${ctx.params.key}`); 
-        list.delete(ctx.params.key)// you will need to add a call to the 'list' object!!!
-        ctx.redirect('/?msg=item deleted');
-    } catch(err) {	
-        console.log(err.message);
-        ctx.redirect("/" + err.message); 
-    }
-});
-
-module.exports = app.listen(port, async function() {
-    console.log('listening on port ' + port);
-});
+router.get('/', async(ctx) => {
+	try {
+		const items = list.getAll() // you will need to REPLACE this with a call to the 'list' object!!!
+		console.log(items)
+		const data = {items}
+		ctx.render('home', data)
+	} catch(err) {
+		console.log(err.message)
+		ctx.render('home', {msg: err.message})
+	}
+})
+
+router.post('/', (ctx) => {
+	try {
+		const body = ctx.request.body
+		console.log(body)
+		list.add(body.item, body.qty)// you will need to add a call to the 'list' object!!!
+		ctx.redirect('/')
+	} catch(err) {
+		console.log(err.message)
+		ctx.redirect(`/?msg=${ err.message}`)
+	}
+})
+
+router.get('/delete/:key', (ctx) => {
+	try {
+		console.log(`key: ${ctx.params.key}`)
+		list.delete(ctx.params.key)// you will need to add a call to the 'list' object!!!
+		ctx.redirect('/?msg=item deleted')
+	} catch(err) {
+		console.log(err.message)
+		ctx.redirect(`/${ err.message}`)
+	}
+})
+
+module.exports = app.listen(port, async() => {
+	console.log(`listening on port ${ port}`)
+})

exercises/06_code_quality/todo/package.json

@@ -19,7 +19,7 @@
     "koa-views": "^6.2.1"
   },
   "devDependencies": {
-    "eslint": "^6.5.1",
+    "eslint": "^6.6.0",
     "jsdoc": "^3.6.3"
   }
 }