chore(lint): move to biome instead of eslint (opennextjs#538)

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+trim_trailing_whitespace = true
+indent_style = space
+tab_width = 2
+insert_final_newline = true
+end_of_line = lf

.github/actions/lint/action.yml

@@ -1,13 +1,16 @@
 name: Lint codebase
-description: Run eslint to lint codebase and ensure code quality
+description: Run biome to lint codebase and ensure code quality
 
 runs:
-    using: 'composite'
+    using: "composite"
     steps:
         - name: Install dependencies
           run: pnpm install
           shell: bash
 
-        - name: Run eslint
-          run: pnpm lint
+        - name: Setup Biome CLI
+          uses: biomejs/[email protected]
+
+        - name: Run biome
+          run: biome ci --reporter=github
           shell: bash

.github/workflows/release.yml

@@ -17,12 +17,7 @@ jobs:
         uses: actions/checkout@v4
 
       - uses: ./.github/actions/pnpm-setup
-
-      - name: Install dependencies
-        run: pnpm install
-
-      - name: Check codestyle
-        run: pnpm lint
+      - uses: ./.github/actions/lint
 
       - name: Create Release Pull Request or Publish to npm
         id: changesets

biome.jsonc

@@ -0,0 +1,96 @@
+{
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+  "vcs": { "enabled": true, "clientKind": "git", "useIgnoreFile": true },
+  "files": {
+    "ignoreUnknown": true
+  },
+  "organizeImports": { "enabled": true },
+  "formatter": { "enabled": true, "useEditorconfig": true },
+  "css": { "formatter": { "quoteStyle": "single" } },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "suspicious": {
+        "noExplicitAny": "info",
+        "noGlobalIsNan": "warn",
+        "noImplicitAnyLet": "warn",
+        "noAssignInExpressions": "warn",
+        "noConfusingVoidType": "warn",
+        "useNamespaceKeyword": "warn" // safe fix
+      },
+      "style": {
+        "noUnusedTemplateLiteral": "warn",
+        "noInferrableTypes": "warn", // safe fix
+        "noUselessElse": "warn",
+        "useNodejsImportProtocol": "warn",
+        "useTemplate": "warn",
+        "useNumberNamespace": "warn", // safe fix
+        "noNonNullAssertion": "warn",
+        "useImportType": "warn",
+        "noParameterAssign": "warn",
+        "useDefaultParameterLast": "warn",
+        "noCommaOperator": "warn",
+        "useConst": "warn",
+        "useSingleVarDeclarator": "warn",
+        "noVar": "warn",
+        "useShorthandFunctionType": "warn" // safe fix
+      },
+      "correctness": {
+        "noSwitchDeclarations": "warn",
+        "noUnnecessaryContinue": "warn",
+        "noInnerDeclarations": "warn"
+      },
+      "complexity": {
+        "useLiteralKeys": "warn",
+        "noForEach": "off",
+        "noUselessSwitchCase": "warn",
+        "noUselessConstructor": "warn",
+        "noBannedTypes": "warn",
+        "noUselessTernary": "warn",
+        "useArrowFunction": "warn", // safe fix
+        "noExtraBooleanCast": "warn",
+        "useOptionalChain": "warn"
+      },
+      "performance": {
+        "noDelete": "warn",
+        "noAccumulatingSpread": "warn"
+      }
+    }
+  },
+  "overrides": [
+    {
+      "include": ["packages/tests-unit/**", "packages/tests-e2e/**"],
+      "linter": {
+        "rules": {
+          "suspicious": {
+            "noRedeclare": "warn"
+          }
+        }
+      }
+    },
+    {
+      "include": ["examples/**/*"],
+      "linter": {
+        "rules": {
+          "style": {
+            "useSelfClosingElements": "warn"
+          },
+          "a11y": {
+            "useIframeTitle": "warn",
+            "useButtonType": "warn",
+            "useAltText": "warn",
+            "useKeyWithClickEvents": "warn"
+          },
+          "correctness": {
+            "useJsxKeyInIterable": "warn",
+            "useExhaustiveDependencies": "warn"
+          },
+          "suspicious": {
+            "noArrayIndexKey": "warn",
+            "noRedeclare": "warn"
+          }
+        }
+      }
+    }
+  ]
+}

package.json

@@ -8,19 +8,18 @@
     "dev": "turbo run dev",
     "build": "turbo run build",
     "clean": "turbo run clean && rm -rf node_modules pnpm-lock.yaml",
-    "lint": "eslint --ext .js,.ts,.tsx .",
-    "lint:fix": "eslint --fix --ext .js,.ts,.tsx .",
+    "lint": "biome lint",
+    "lint:fix": "biome lint --fix",
     "test": "turbo run test",
     "e2e:test": "turbo run e2e:test",
     "version": "./.changeset/version",
     "release": "./.changeset/release",
     "release-snapshot": "./.changeset/snapshot"
   },
   "devDependencies": {
+    "@biomejs/biome": "1.9.4",
     "@changesets/changelog-github": "^0.4.4",
     "@changesets/cli": "^2.22.0",
-    "@sladg/eslint-config-base": "1.4.1",
-    "eslint": "^8.47.0",
     "pkg-pr-new": "^0.0.29",
     "turbo": "1.10.12"
   },

packages/utils/package.json

@@ -16,7 +16,6 @@
   "scripts": {
     "build": "tsup ./src/*.ts --format cjs --dts",
     "dev": "tsup ./src/*.ts --format cjs --dts --watch",
-    "lint": "TIMING=1 eslint \"**/*.ts*\"",
     "clean": "rm -rf .turbo && rm -rf node_modules"
   },
   "dependencies": {},