Add special rules, extending the airbnb base coding style

Author: alrik

index.js

@@ -0,0 +1,19 @@
+module.exports = {
+  extends: 'airbnb-base',
+  rules: {
+    'consistent-return': ['error', { treatUndefinedAsUnspecified: true }],
+    'max-len': [
+      'error',
+      120, // max line length
+      2, // tab width
+      {
+        ignoreUrls: true,
+        ignoreComments: false,
+        ignoreRegExpLiterals: true,
+        ignoreStrings: false,
+        ignoreTemplateLiterals: false,
+      },
+    ],
+    'no-void': 'off'
+  },
+};