Replace ESLint, Prettier with Biome

Author: nedew

.eslintrc.js

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["biomejs.biome"]
+}

.prettierrc

@@ -0,0 +1,24 @@
+{
+  "editor.formatOnSave": true,
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.codeActionsOnSave": {
+    "source.fixAll": "explicit",
+    "quickfix.biome": "explicit",
+    "source.organizeImports.biome": "explicit"
+  },
+  "[javascript]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[javascriptreact]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[typescript]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[typescriptreact]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[json]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  }
+}

.vscode/extensions.json

@@ -0,0 +1,4 @@
+### Biome
+
+- このプロジェクトでは Biome を利用しているため、VSCode の Biome プラグインをインストールしてください。
+  - https://marketplace.visualstudio.com/items?itemName=biomejs.biome

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "extends": ["../../biome.json"],
+  "formatter": {
+    "ignore": [".next", "dist"]
+  }
+}

ENVIRONMENT.md

@@ -7,7 +7,7 @@
   "license": "UNLICENSED",
   "scripts": {
     "build": "nest build",
-    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+    "format": "biome format --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start": "nest start",
     "start:dev": "nest start --watch",
     "dev": "nest start",
@@ -35,13 +35,7 @@
     "@types/jest": "29.5.0",
     "@types/node": "18.15.11",
     "@types/supertest": "^2.0.11",
-    "@typescript-eslint/eslint-plugin": "^5.0.0",
-    "@typescript-eslint/parser": "^5.0.0",
-    "eslint": "^8.0.1",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-prettier": "^4.0.0",
     "jest": "29.5.0",
-    "prettier": "^2.3.2",
     "prisma": "^4.12.0",
     "source-map-support": "^0.5.20",
     "supertest": "^6.1.3",
@@ -52,19 +46,13 @@
     "typescript": "^4.7.4"
   },
   "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json",
-      "ts"
-    ],
+    "moduleFileExtensions": ["js", "json", "ts"],
     "rootDir": "src",
     "testRegex": ".*\\.spec\\.ts$",
     "transform": {
       "^.+\\.(t|j)s$": "ts-jest"
     },
-    "collectCoverageFrom": [
-      "**/*.(t|j)s"
-    ],
+    "collectCoverageFrom": ["**/*.(t|j)s"],
     "coverageDirectory": "../coverage",
     "testEnvironment": "node"
   }

apps/api/.eslintrc.js

@@ -0,0 +1,20 @@
+{
+  "extends": ["../../biome.json"],
+  "linter": {
+    "ignore": [".next", "node_modules"],
+    "rules": {
+      "all": true,
+      "style": {
+        "noDefaultExport": "error"
+      }
+    }
+  },
+  "formatter": {
+    "ignore": [".next", "node_modules"]
+  },
+  "javascript": {
+    "formatter": {
+      "jsxQuoteStyle": "double"
+    }
+  }
+}

apps/api/.prettierrc

@@ -17,8 +17,6 @@
     "@types/node": "^20.11.0",
     "@types/react": "^18.2.47",
     "@types/react-dom": "^18.2.18",
-    "eslint": "^8.56.0",
-    "eslint-config-next": "^14.0.4",
     "typescript": "^5.3.3"
   }
 }

apps/api/biome.json

@@ -0,0 +1,39 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.5.1/schema.json",
+  "files": { "ignoreUnknown": true },
+  "organizeImports": {
+    "enabled": true
+  },
+  "linter": {
+    "enabled": true,
+    "ignore": ["node_modules"],
+    "rules": {
+      "recommended": true,
+      "style": {}
+    }
+  },
+  "formatter": {
+    "enabled": true,
+    "ignore": ["node_modules"],
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 100
+  },
+  "javascript": {
+    "parser": {
+      "unsafeParameterDecoratorsEnabled": true
+    },
+    "formatter": {
+      "quoteStyle": "single"
+    }
+  },
+  "json": {
+    "parser": {
+      "allowComments": true
+    },
+    "formatter": {
+      "indentStyle": "space",
+      "indentWidth": 2
+    }
+  }
+}

apps/api/package.json

@@ -13,13 +13,11 @@
     "format": "prettier --write \"**/*.{ts,tsx,md}\""
   },
   "devDependencies": {
-    "eslint-config-custom": "*",
-    "prettier": "latest",
-    "turbo": "latest"
+    "@biomejs/biome": "1.5.1",
+    "turbo": "^1.11.3"
   },
   "engines": {
     "node": ">=14.0.0"
   },
-  "dependencies": {},
   "packageManager": "npm@8.19.2"
 }

apps/web/.eslintrc.json

@@ -0,0 +1,6 @@
+{
+  "extends": ["../../biome.json"],
+  "formatter": {
+    "ignore": ["dist"]
+  }
+}