replace eslint with biome

Author: asottile

.pre-commit-config.yaml

@@ -37,11 +37,11 @@ repos:
     hooks:
     -   id: mypy
         additional_dependencies: [types-all]
--   repo: https://github.com/pre-commit/mirrors-eslint
-    rev: v9.0.0-alpha.0
+-   repo: https://github.com/biomejs/pre-commit
+    rev: v0.1.0
     hooks:
-    -   id: eslint
-        args: [--fix]
+    -   id: biome-check
+        additional_dependencies: ["@biomejs/[email protected]"]
 -   repo: local
     hooks:
     -   id: no-github-dot-git

assets/copyable.js

@@ -1,6 +1,8 @@
-(function () {
+'use strict';
+
+(() => {
     function copyTextToClipboard(text) {
-        var textArea = document.createElement('textarea');
+        const textArea = document.createElement('textarea');
         textArea.value = text;
         textArea.style.position = 'fixed';
         textArea.style.left = '-1';
@@ -11,17 +13,17 @@
         document.execCommand('copy');
         document.body.removeChild(textArea);
     }
-    var codeBlockElements = document.getElementsByClassName('copyable');
-    for (var i = 0; i < codeBlockElements.length; i++) {
-        var block = codeBlockElements[i];
-        var copyIcon = new Image(16, 16);
+    const codeBlockElements = document.getElementsByClassName('copyable');
+    for (let i = 0; i < codeBlockElements.length; i++) {
+        const block = codeBlockElements[i];
+        const copyIcon = new Image(16, 16);
         copyIcon.setAttribute('src', './assets/copy-icon.svg');
         copyIcon.setAttribute('alt', 'copy');
         copyIcon.setAttribute('title', 'copy to clipboard');
         block.insertBefore(copyIcon, block.children[0]);
-        copyIcon.addEventListener('click', function(block) {
-            var text = block.getElementsByTagName('pre')[0].innerText;
+        copyIcon.addEventListener('click', (block) => {
+            const text = block.getElementsByTagName('pre')[0].innerText;
             copyTextToClipboard(text);
-        }.bind(null, block));
+        });
     }
 })();

assets/filter_repos.js

@@ -22,7 +22,10 @@
                     const hookId = repoHook.dataset.id.toLowerCase();
                     const hookTypes = repoHook.dataset.types.split(', ');
 
-                    if (hookId.includes(id) && (type === '' || hookTypes.includes(type))) {
+                    if (
+                        hookId.includes(id) &&
+                        (type === '' || hookTypes.includes(type))
+                    ) {
                         repoHook.hidden = false;
                         hasVisibleHooks = true;
                     } else {
@@ -32,7 +35,8 @@
             }
 
             repo.hidden = !hasVisibleHooks;
-            hooks.querySelector(`h3[data-repo="${repo.dataset.repo}"]`).hidden = !hasVisibleHooks;
+            hooks.querySelector(`h3[data-repo="${repo.dataset.repo}"]`).hidden =
+                !hasVisibleHooks;
         }
     };
 

biome.json

@@ -0,0 +1,24 @@
+{
+    "$schema": "https://biomejs.dev/schemas/1.4.0/schema.json",
+    "organizeImports": {
+        "enabled": false
+    },
+    "formatter": {
+        "indentStyle": "space",
+        "indentWidth": 4
+    },
+    "javascript": {
+        "formatter": {
+            "quoteStyle": "single"
+        }
+    },
+    "linter": {
+        "enabled": true,
+        "rules": {
+            "recommended": true,
+            "suspicious": {
+                "noRedundantUseStrict": "off"
+            }
+        }
+    }
+}

package.json

@@ -4,28 +4,5 @@
     "dependencies": {
         "bootstrap": "^5.0.0",
         "sass": "^1.32.13"
-    },
-    "eslintConfig": {
-        "extends": "eslint:recommended",
-        "rules": {
-            "indent": [
-                "error",
-                4
-            ],
-            "quotes": [
-                "error",
-                "single"
-            ],
-            "semi": [
-                "error",
-                "always"
-            ]
-        },
-        "parserOptions": {
-            "ecmaVersion": 6
-        },
-        "env": {
-            "browser": true
-        }
     }
 }