eslint extends

.eslintrc

@@ -6,13 +6,9 @@
       "jsx": true
     }
   },
+  "extends": ["eslint:recommended"],
   "rules": {
-    "strict": ["error", "never"],
-    "valid-typeof": "error",
-    "no-unsafe-negation": "error",
-    "no-unused-vars": "error",
-    "no-unexpected-multiline": "error",
-    "no-undef": "error"
+    "strict": ["error", "never"]
   },
   "env": {
     "browser": true

src/example.js

@@ -1,12 +1,10 @@
-'use strict'
-
 const username = 'freddy'
-typeof username === 'strng'
+typeof username === 'string'
 
-if (!'serviceWorker' in navigator) {
+if (!('serviceWorker' in navigator)) {
   // you have an old browser :-(
 }
 
 const greeting = 'hello'
-console.log('${greeting} world!')
-[1, 2, 3].forEach(x => console.log(x))
+console.log(`${greeting} world!`)
+;[1, 2, 3].forEach(x => console.log(x))