tools: enforce consistent spacing inside braces

PR-URL: nodejs#14162
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

.eslintignore

@@ -4,6 +4,7 @@ test/addons/??_*/
 test/fixtures
 test/tmp*/
 tools/eslint
+tools/icu
 node_modules
 benchmark/tmp/
 doc/**/*.js

.eslintrc.yaml

@@ -141,16 +141,17 @@ rules:
   }]
   no-tabs: error
   no-trailing-spaces: error
+  object-curly-spacing: [error, always]
   one-var-declaration-per-line: error
   operator-linebreak: [error, after]
   quotes: [error, single, avoid-escape]
   semi: error
   semi-spacing: error
   space-before-blocks: [error, always]
   space-before-function-paren: [error, {
-    "anonymous": "never",
-    "named": "never",
-    "asyncArrow": "always"
+    anonymous: never,
+    named: never,
+    asyncArrow: always
   }]
   space-in-parens: [error, never]
   space-infix-ops: error

doc/.eslintrc.yaml

@@ -1,8 +1,6 @@
 ## Docs-specific linter rules
 
 rules:
-  object-curly-spacing: [error, always]
-
   # ease some restrictions in doc examples
   no-restricted-properties: off
   no-undef: off