Fixed #35007 -- Replaced ESLint with Biome for JavaScript linting and formatting.

Author: knyghty

.pre-commit-config.yaml

@@ -20,10 +20,6 @@ repos:
     rev: 7.3.0
     hooks:
       - id: flake8
-  - repo: https://github.com/pre-commit/mirrors-eslint
-    rev: v9.39.1
-    hooks:
-      - id: eslint
   - repo: https://github.com/biomejs/pre-commit
     rev: v2.4.12
     hooks:

biome.json

@@ -8,7 +8,12 @@
             "docs/_theme/**/*.css",
             "!docs/_theme/djangodocs/static/fontawesome/**",
             "!docs/_theme/djangodocs/static/reset-fonts-grids.css",
-            "!**/*.min.css"
+            "!**/*.min.css",
+            "django/contrib/admin/static/admin/js/**/*.js",
+            "!django/contrib/admin/static/admin/js/vendor/**",
+            "django/contrib/gis/static/gis/js/**/*.js",
+            "js_tests/**/*.js",
+            "!**/*.min.js"
         ]
     },
     "formatter": {
@@ -19,17 +24,27 @@
         "enabled": true,
         "rules": {
             "complexity": {
-                "noImportantStyles": "off"
+                "noArguments": "off",
+                "noImportantStyles": "off",
+                "noUselessLoneBlockStatements": "off",
+                "useArrowFunction": "off",
+                "useIndexOf": "off",
+                "useOptionalChain": "off"
+            },
+            "correctness": {
+                "noUnusedFunctionParameters": "off",
+                "noUnusedVariables": "off",
+                "useParseIntRadix": "off"
             },
             "style": {
-                "noDescendingSpecificity": "off"
+                "noDescendingSpecificity": "off",
+                "useTemplate": "off"
+            },
+            "suspicious": {
+                "noRedundantUseStrict": "off"
             }
         }
     },
-    "javascript": {
-        "linter": { "enabled": false },
-        "formatter": { "enabled": false }
-    },
     "json": {
         "linter": { "enabled": false },
         "formatter": { "enabled": false }

docs/internals/contributing/writing-code/javascript.txt

@@ -20,9 +20,9 @@ Code style
   Different JavaScript files sometimes use a different code style. Please try
   to conform to the code style of each file.
 
-* Use the `ESLint`_ code linter to check your code for bugs and style errors.
-  ESLint will be run when you run the JavaScript tests. We also recommended
-  installing a ESLint plugin in your text editor.
+* Use the `Biome`_ code linter to check your code for bugs and style errors.
+  Biome will be run by the pre-commit hooks. We also recommended installing
+  a Biome plugin in your text editor.
 
 * Where possible, write code that will work even if the page structure is later
   changed with JavaScript. For instance, when binding a click handler, use
@@ -117,8 +117,8 @@ Then run the tests with:
 
     $ npm test
 
+.. _Biome: https://biomejs.dev/
 .. _EditorConfig: https://editorconfig.org/
 .. _Java: https://www.java.com
-.. _eslint: https://eslint.org/
 .. _node.js: https://nodejs.org/
 .. _qunit: https://qunitjs.com/

docs/spelling_wordlist

@@ -52,6 +52,7 @@ benchmarking
 Benoit
 Berners
 Biggs
+Biome
 bitwise
 Bjørn
 blazingly