[gjs: 1/5] CI: Adjust eslint and clang-format rules [skip eslint]

[Cosimo Cecchi <cosimoc src gnome org>]

commit 8ae00b8e68f512e665aa0fdb7fa7eea78274bc97
Author: Philip Chimento <philip chimento gmail com>
Date:   Tue Jul 3 00:34:04 2018 +0200

    CI: Adjust eslint and clang-format rules [skip eslint]

 .clang-format  | 4 +++-
 .eslintrc.json | 9 +++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)
---
diff --git a/.clang-format b/.clang-format
index 1dc29a2e..50769463 100644
--- a/.clang-format
+++ b/.clang-format
@@ -12,6 +12,7 @@ DerivePointerAlignment: false
 ForEachMacros: []
 IndentWidth: 4
 PointerAlignment: Left  # Google style allows both, but clang-format doesn't
+SpacesBeforeTrailingComments: 2
 ---
 # We rely mostly on eslint for JavaScript linting, but this is a lax collection
 # of rules that will auto-fix some JS things. We really should use eslint --fix
@@ -20,8 +21,9 @@ PointerAlignment: Left  # Google style allows both, but clang-format doesn't
 Language: JavaScript
 AlignAfterOpenBracket: DontAlign
 AllowShortFunctionsOnASingleLine: false
-JavaScriptQuotes: Single
+JavaScriptQuotes: Leave  # It's not smart enough to allow " to minimize escapes
 PenaltyBreakBeforeFirstCallParameter: 1000000
 PenaltyExcessCharacter: 1
+SpacesBeforeTrailingComments: 2
 SpacesInContainerLiterals: false
 ...
diff --git a/.eslintrc.json b/.eslintrc.json
index 82edcf07..eae87873 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -4,6 +4,7 @@
     },
     "extends": "eslint:recommended",
     "rules": {
+        "array-bracket-spacing": ["error", "never"],
         "brace-style": "error",
         "comma-spacing": [
             "error",
@@ -19,6 +20,13 @@
                 "MemberExpression": "off"
             }
         ],
+        "key-spacing": [
+            "error",
+            {
+                "beforeColon": false,
+                "afterColon": true
+            }
+        ],
         "keyword-spacing": [
             "error",
             { 
@@ -36,6 +44,7 @@
                 "allowEmptyCatch": true
             }
         ],
+        "nonblock-statement-body-position": ["error", "below"],
         "quotes": [
             "error",
             "single",