Fix #519: Add option newlines-between: "ignore" to order

CHANGELOG.md

@@ -10,6 +10,7 @@ This change log adheres to standards from [Keep a CHANGELOG](http://keepachangel
 - `recommended` shared config. Roughly `errors` and `warnings` mixed together,
   with some `parserOptions` in the mix. ([#402])
 - `react` shared config: added `jsx: true` to `parserOptions.ecmaFeatures`.
+- Add option `newlines-between: "ignore"` to [`order`] ([#519])
 
 ### Breaking
 - [`import/extensions` setting] defaults to `['.js']`. ([#306])
@@ -382,6 +383,7 @@ for info on changes for earlier releases.
 [#566]: https://github.com/benmosher/eslint-plugin-import/issues/566
 [#545]: https://github.com/benmosher/eslint-plugin-import/issues/545
 [#530]: https://github.com/benmosher/eslint-plugin-import/issues/530
+[#519]: https://github.com/benmosher/eslint-plugin-import/issues/519
 [#507]: https://github.com/benmosher/eslint-plugin-import/issues/507
 [#478]: https://github.com/benmosher/eslint-plugin-import/issues/478
 [#456]: https://github.com/benmosher/eslint-plugin-import/issues/456

docs/rules/order.md

@@ -92,13 +92,13 @@ You can set the options like this:
 "import/order": ["error", {"groups": ["index", "sibling", "parent", "internal", "external", "builtin"]}]
 ```
 
-### `newlines-between: [always|never]`:
+### `newlines-between: [always|ignore|never]`:
 
 
 Enforces or forbids new lines between import groups:
 
-- If omitted, assertion messages will be neither enforced nor forbidden.
-- If set to `always`, at least one new line between each group will be enforced, and new lines inside a group will be forbidden. To prevent multiple lines between imports, core `no-multiple-empty-lines` rule can be used.
+- If set to `always`, at least one new line between each group will be enforced, and new lines inside a group will be forbidden. To prevent multiple lines between imports, core `no-multiple-empty-lines` rule can be used (default).
+- If set to `ignore`, no errors related to new lines between import groups will be reported.
 - If set to `never`, no new lines are allowed in the entire import section.
 
 With the default group setting, the following will be invalid:

src/rules/order.js

@@ -157,7 +157,7 @@ module.exports = {
             type: 'array',
           },
           'newlines-between': {
-            enum: [ 'always', 'never' ],
+            enum: [ 'always', 'ignore', 'never' ],
           },
         },
         additionalProperties: false,
@@ -206,7 +206,7 @@ module.exports = {
       'Program:exit': function reportAndReset() {
         makeOutOfOrderReport(context, imported)
 
-        if ('newlines-between' in options) {
+        if ('newlines-between' in options && options['newlines-between'] !== 'ignore') {
           makeNewlinesBetweenReport(context, imported, options['newlines-between'])
         }
 

tests/src/rules/order.js

@@ -209,6 +209,32 @@ ruleTester.run('order', rule, {
         },
       ],
     }),
+    // Option: newlines-between: 'ignore'
+    test({
+      code: `
+      var fs = require('fs');
+
+      var index = require('./');
+      var path = require('path');
+      var sibling = require('./foo');
+
+
+      var relParent1 = require('../foo');
+
+      var relParent3 = require('../');
+      var async = require('async');
+      `,
+      options: [
+        {
+          groups: [
+            ['builtin', 'index'],
+            ['sibling'],
+            ['parent', 'external'],
+          ],
+          'newlines-between': 'ignore',
+        },
+      ],
+    }),
     // Option newlines-between: 'always' with multiline imports #1
     test({
       code: `
@@ -299,7 +325,7 @@ ruleTester.run('order', rule, {
           port: 4444,
           runner: {
             server_path: require('runner-binary').path,
-            
+
             cli_args: {
                 'webdriver.chrome.driver': require('browser-binary').path
             }