From 2557a5bca6b66108d27684ae25c6471e899b0cd7 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Date: Sat, 28 Nov 2015 13:25:49 +0100
Subject: [PATCH] Add Section 18.9 - No spaces inside parentheses

See #593
---
 README.md                                    | 23 ++++++++++++++++++++
 packages/eslint-config-airbnb/rules/style.js |  4 ++--
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 9f895b9a55..0c0822d024 100644
--- a/README.md
+++ b/README.md
@@ -1551,6 +1551,29 @@ Other Style Guides
     }
     ```
 
+  - [18.9](#18.9) <a name='18.9'></a> Do not add spaces inside parentheses.
+
+    ```javascript
+    // bad
+    function bar( foo ) {
+      return foo;
+    }
+
+    // good
+    function bar(foo) {
+      return foo;
+    }
+
+    // bad
+    if ( foo ) {
+      console.log(foo);
+    }
+
+    // good
+    if (foo) {
+      console.log(foo);
+    }
+    ```
 
 **[⬆ back to top](#table-of-contents)**
 
diff --git a/packages/eslint-config-airbnb/rules/style.js b/packages/eslint-config-airbnb/rules/style.js
index c9df867f37..54a9e2fef4 100644
--- a/packages/eslint-config-airbnb/rules/style.js
+++ b/packages/eslint-config-airbnb/rules/style.js
@@ -96,8 +96,8 @@ module.exports = {
     'space-before-blocks': 2,
     // require or disallow space before function opening parenthesis
     'space-before-function-paren': [2, 'never'],
-    // require or disallow spaces inside parentheses
-    'space-in-parens': 0,
+    // disallow spaces inside parentheses
+    'space-in-parens': [2, 'never'],
     // require spaces around operators
     'space-infix-ops': 2,
     // require a space after return, throw, and case