Setup eslint

.eslintignore

@@ -0,0 +1,4 @@
+/.vscode
+/.git
+/data
+node_smodules

.eslintrc.json

@@ -0,0 +1,11 @@
+{
+  "extends": ["eslint:recommended", "prettier"],
+  "parserOptions": {
+    "ecmaVersion": 9
+  },
+  "env": {
+    "node": true,
+    "browser": false
+  },
+  "rules": {}
+}

.gitignore

@@ -1,11 +1,15 @@
 # See https://help.github.com/ignore-files/ for more about ignoring files.
 
+.vscode
+
 # dependencies
 /node_modules
 
 # testing
 /coverage
 
+.eslintcache
+
 # misc
 .DS_Store
 .env.local

package.json

@@ -10,7 +10,8 @@
   "license": "MIT",
   "main": "src/server.js",
   "scripts": {
-    "start": "node src/server.js"
+    "start": "node src/server.js",
+    "lint": "yarn run eslint . --cache --color && echo \"eslint: no lint errors\""
   },
   "lint-staged": {
     "{src,data}/**/*.{js,css,json}": [

src/server.js

@@ -28,5 +28,6 @@ app.get('/random', function(req, res) {
 })
 
 var listener = app.listen(config.PORT, function() {
+  /* eslint-disable-next-line no-console */
   console.log('Your app is listening on port ' + listener.address().port)
 })