Add Biome and fix lint issues

.all-contributorsrc

@@ -3,9 +3,7 @@
   "projectOwner": "Meteor-Community-Packages",
   "repoType": "github",
   "repoHost": "https://github.com",
-  "files": [
-    "README.md"
-  ],
+  "files": ["README.md"],
   "imageSize": 100,
   "commit": true,
   "commitConvention": "eslint",
@@ -15,11 +13,7 @@
       "name": "Jan Dvorak",
       "avatar_url": "https://avatars2.githubusercontent.com/u/1715235?v=4",
       "profile": "https://github.com/StorytellerCZ",
-      "contributions": [
-        "code",
-        "doc",
-        "maintenance"
-      ]
+      "contributions": ["code", "doc", "maintenance"]
     }
   ],
   "contributorsPerLine": 7

.github/workflows/lint.yml

@@ -0,0 +1,21 @@
+name: "Lint test"
+
+on:
+  push:
+    branches: [ "master", "develop" ]
+  pull_request:
+    branches: [ "master", "develop" ]
+
+jobs:
+  lint:
+    name: "Lint"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+      - name: Install dependencies
+        run: npm ci
+      - name: Run lint
+        run: npm run lint-ci

biome.json

@@ -0,0 +1,44 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
+  "organizeImports": {
+    "enabled": true
+  },
+  "files": {
+    "ignore": [
+      ".meteor/**",
+      ".vscode/**",
+      "coverage/**",
+      "node_modules/**",
+      "storybook-static/**",
+      "private/**"
+    ]
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "complexity": {
+        "useArrowFunction": "off"
+      },
+      "suspicious": {
+        "noImplicitAnyLet": "warn",
+        "noExplicitAny": "warn",
+        "noArrayIndexKey": "warn"
+      },
+      "performance": {
+        "noDelete": "warn"
+      }
+    }
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space"
+  },
+  "javascript": {
+    "formatter": {
+      "semicolons": "asNeeded",
+      "bracketSpacing": true,
+      "quoteStyle": "single"
+    }
+  }
+}