feat(rule): add array-element-newline

Author: robertrossmann

coding-styles/fixable.js

@@ -25,6 +25,11 @@ module.exports = {
     // bracket in the pair has a linebreak inside it and the other bracket does not.
     'array-bracket-newline': ['warn', 'consistent'],
 
+    // enforce line breaks between array elements
+    // A number of style guides require or disallow line breaks between array elements. This ruleset
+    // requires consistent usage of linebreaks between array elements.
+    'array-element-newline': ['warn', 'consistent'],
+
     // Require braces in arrow function body
     // This rule can enforce the use of braces around arrow function body.
     'arrow-body-style': ['warn', 'as-needed'],

unused.js

@@ -10,10 +10,6 @@
 
 module.exports = {
   rules: {
-    // Enforce line breaks between array elements
-    // Unused, too restrictive
-    'array-element-newline': 0,
-
     // Treat var as Block Scoped
     // Unused in favour of `no-var` rule. Front-end could have some interest in this rule.
     'block-scoped-var': 0,