fix: lint/format revamp, pre-commit hooks

.editorconfig

@@ -4,4 +4,4 @@ insert_final_newline = true
 end_of_line = lf
 indent_style = space
 indent_size = 2
-max_line_length = 80
+max_line_length = 120

.github/workflows/lint.yml

@@ -0,0 +1,24 @@
+name: Lint
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  test:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: "pnpm"
+      - name: Install dependencies
+        run: pnpm install
+      - name: Run lint
+        run: pnpm lint
+      - name: Run typecheck
+        run: pnpm typecheck

CHANGELOG.md

@@ -1,3 +1,9 @@
+## 1.2.1 (2025-11-03)
+
+### Fix
+
+- replace eslint/prettier with biome, add commitlint, replace husky/lint-staged with lefthook
+
 ## 1.2.0 (2025-10-24)
 
 ### Feat

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Valeriy Komlev
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

biome.json

@@ -0,0 +1,46 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.3.2/schema.json",
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  },
+  "files": {
+    "includes": ["**", "!!**/dist"]
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "useEditorconfig": true
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "suspicious": {
+        "noArrayIndexKey": "off"
+      },
+      "style": {
+        "noNonNullAssertion": "off"
+      }
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "double"
+    }
+  },
+  "css": {
+    "parser": {
+      "tailwindDirectives": true
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  }
+}

commitlint.config.mjs

@@ -0,0 +1,23 @@
+export default {
+  extends: ["@commitlint/config-conventional"],
+  rules: {
+    "type-enum": [
+      2,
+      "always",
+      [
+        "build",
+        "chore",
+        "ci",
+        "docs",
+        "feat",
+        "fix",
+        "perf",
+        "refactor",
+        "revert",
+        "style",
+        "test",
+        "bump",
+      ],
+    ],
+  },
+};

lefthook.yml

@@ -0,0 +1,17 @@
+pre-commit:
+  commands:
+    check:
+      glob: "*.{js,ts,cjs,mjs,d.cts,d.mts,jsx,tsx,json,jsonc}"
+      run: npx @biomejs/biome check --write --no-errors-on-unmatched --files-ignore-unknown=true --colors=off {staged_files}
+      stage_fixed: true
+
+pre-push:
+  commands:
+    check:
+      glob: "*.{js,ts,cjs,mjs,d.cts,d.mts,jsx,tsx,json,jsonc}"
+      run: npx @biomejs/biome check --no-errors-on-unmatched --files-ignore-unknown=true --colors=off {push_files}
+
+commit-msg:
+  commands:
+    "lint commit message":
+      run: pnpm commitlint --edit {1}

package.json

@@ -1,25 +1,25 @@
 {
   "name": "calendar",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "author": {
     "name": "Valeriy Komlev",
     "email": "[email protected]",
     "url": "https://komlev.me/"
   },
+  "packageManager": "[email protected]",
   "engines": {
-    "node": ">=20.0.0",
-    "pnpm": ">=9.0.0"
+    "node": ">=24.10.0",
+    "pnpm": ">=10.20.0"
   },
   "type": "module",
   "scripts": {
     "dev": "vite",
     "build": "tsc -b && vite build",
-    "lint": "eslint .",
+    "lint": "biome check",
+    "format": "biome check --fix",
+    "lint-commit": "commitlint --from HEAD~1 --to HEAD",
     "typecheck": "tsc -b --noEmit",
-    "prettier": "prettier .",
-    "preview": "vite preview",
-    "prepare": "husky",
-    "cm": "cz commit"
+    "preview": "vite preview"
   },
   "dependencies": {
     "@nanostores/persistent": "^1.1.0",
@@ -34,30 +34,19 @@
     "theme-change": "^2.5.0"
   },
   "devDependencies": {
-    "@eslint/js": "^9.33.0",
+    "@biomejs/biome": "2.3.2",
+    "@commitlint/cli": "^20.1.0",
+    "@commitlint/config-conventional": "^20.0.0",
     "@tailwindcss/typography": "^0.5.16",
     "@tailwindcss/vite": "^4.1.12",
     "@types/react": "^19.1.10",
     "@types/react-dom": "^19.1.7",
     "@vitejs/plugin-react-swc": "^4.0.0",
     "daisyui": "^5.1.5",
-    "eslint": "^9.33.0",
-    "eslint-plugin-react-hooks": "^5.2.0",
-    "eslint-plugin-react-refresh": "^0.4.20",
     "globals": "^16.3.0",
-    "husky": "^9.1.7",
-    "lint-staged": "^16.2.6",
-    "prettier": "^3.6.2",
-    "prettier-plugin-tailwindcss": "^0.6.14",
     "tailwindcss": "^4.1.12",
     "typescript": "~5.8.3",
-    "typescript-eslint": "^8.39.1",
     "vite": "^7.1.2",
     "vite-bundle-analyzer": "^1.2.3"
-  },
-  "husky": {
-    "hooks": {
-      "prepare-commit-msg": "exec < /dev/tty && npx cz --hook || true"
-    }
   }
 }