feat: allow lint warnings in CI

.eslintrc.json

@@ -93,7 +93,7 @@
         ],
         "no-unused-vars": "off",
         "@typescript-eslint/no-unused-vars": [
-          "warn",
+          "error",
           {
             "args": "none",
             "ignoreRestSiblings": true
@@ -102,7 +102,7 @@
         "no-use-before-define": "off",
         "no-useless-constructor": "off",
         "@typescript-eslint/no-use-before-define": "off",
-        "@typescript-eslint/no-useless-constructor": "warn",
+        "@typescript-eslint/no-useless-constructor": "error",
         "@typescript-eslint/prefer-literal-enum-member": "error"
       }
     },
@@ -150,7 +150,7 @@
         "packages/next/webpack.config.js"
       ],
       "rules": {
-        "no-shadow": ["warn", { "builtinGlobals": false }],
+        "no-shadow": ["error", { "builtinGlobals": false }],
         "import/no-extraneous-dependencies": [
           "error",
           { "devDependencies": false }
@@ -162,9 +162,9 @@
       "rules": {
         // Note: you must disable the base rule as it can report incorrect errors
         "no-shadow": "off",
-        "@typescript-eslint/no-shadow": ["warn", { "builtinGlobals": false }],
+        "@typescript-eslint/no-shadow": ["error", { "builtinGlobals": false }],
         "@typescript-eslint/no-unused-vars": [
-          "warn",
+          "error",
           {
             "args": "all",
             "argsIgnorePattern": "^_",
@@ -211,39 +211,39 @@
     }
   ],
   "rules": {
-    "array-callback-return": "warn",
-    "default-case": ["warn", { "commentPattern": "^no default$" }],
-    "dot-location": ["warn", "property"],
-    "eqeqeq": ["warn", "smart"],
-    "new-parens": "warn",
-    "no-array-constructor": "warn",
-    "no-caller": "warn",
-    "no-cond-assign": ["warn", "except-parens"],
-    "no-const-assign": "warn",
-    "no-control-regex": "warn",
-    "no-delete-var": "warn",
-    "no-dupe-args": "warn",
-    "no-dupe-class-members": "warn",
-    "no-dupe-keys": "warn",
-    "no-duplicate-case": "warn",
-    "no-empty-character-class": "warn",
-    "no-empty-pattern": "warn",
-    "no-eval": "warn",
-    "no-ex-assign": "warn",
-    "no-extend-native": "warn",
-    "no-extra-bind": "warn",
-    "no-extra-label": "warn",
-    "no-fallthrough": "warn",
-    "no-func-assign": "warn",
-    "no-implied-eval": "warn",
-    "no-invalid-regexp": "warn",
-    "no-iterator": "warn",
-    "no-label-var": "warn",
-    "no-labels": ["warn", { "allowLoop": true, "allowSwitch": false }],
-    "no-lone-blocks": "warn",
-    "no-loop-func": "warn",
+    "array-callback-return": "error",
+    "default-case": ["error", { "commentPattern": "^no default$" }],
+    "dot-location": ["error", "property"],
+    "eqeqeq": ["error", "smart"],
+    "new-parens": "error",
+    "no-array-constructor": "error",
+    "no-caller": "error",
+    "no-cond-assign": ["error", "except-parens"],
+    "no-const-assign": "error",
+    "no-control-regex": "error",
+    "no-delete-var": "error",
+    "no-dupe-args": "error",
+    "no-dupe-class-members": "error",
+    "no-dupe-keys": "error",
+    "no-duplicate-case": "error",
+    "no-empty-character-class": "error",
+    "no-empty-pattern": "error",
+    "no-eval": "error",
+    "no-ex-assign": "error",
+    "no-extend-native": "error",
+    "no-extra-bind": "error",
+    "no-extra-label": "error",
+    "no-fallthrough": "error",
+    "no-func-assign": "error",
+    "no-implied-eval": "error",
+    "no-invalid-regexp": "error",
+    "no-iterator": "error",
+    "no-label-var": "error",
+    "no-labels": ["error", { "allowLoop": true, "allowSwitch": false }],
+    "no-lone-blocks": "error",
+    "no-loop-func": "error",
     "no-mixed-operators": [
-      "warn",
+      "error",
       {
         "groups": [
           ["&", "|", "^", "~", "<<", ">>", ">>>"],
@@ -254,37 +254,37 @@
         "allowSamePrecedence": false
       }
     ],
-    "no-multi-str": "warn",
-    "no-native-reassign": "warn",
-    "no-negated-in-lhs": "warn",
-    "no-new-func": "warn",
-    "no-new-object": "warn",
-    "no-new-symbol": "warn",
-    "no-new-wrappers": "warn",
-    "no-obj-calls": "warn",
-    "no-octal": "warn",
-    "no-octal-escape": "warn",
-    "no-regex-spaces": "warn",
+    "no-multi-str": "error",
+    "no-native-reassign": "error",
+    "no-negated-in-lhs": "error",
+    "no-new-func": "error",
+    "no-new-object": "error",
+    "no-new-symbol": "error",
+    "no-new-wrappers": "error",
+    "no-obj-calls": "error",
+    "no-octal": "error",
+    "no-octal-escape": "error",
+    "no-regex-spaces": "error",
     "no-restricted-syntax": [
-      "warn",
+      "error",
       "WithStatement",
       {
         "message": "substr() is deprecated, use slice() or substring() instead",
         "selector": "MemberExpression > Identifier[name='substr']"
       }
     ],
-    "no-script-url": "warn",
-    "no-self-assign": "warn",
-    "no-self-compare": "warn",
-    "no-sequences": "warn",
-    "no-shadow-restricted-names": "warn",
-    "no-sparse-arrays": "warn",
+    "no-script-url": "error",
+    "no-self-assign": "error",
+    "no-self-compare": "error",
+    "no-sequences": "error",
+    "no-shadow-restricted-names": "error",
+    "no-sparse-arrays": "error",
     "no-template-curly-in-string": "error",
-    "no-this-before-super": "warn",
-    "no-throw-literal": "warn",
+    "no-this-before-super": "error",
+    "no-throw-literal": "error",
     "no-undef": "error",
-    "no-unexpected-multiline": "warn",
-    "no-unreachable": "warn",
+    "no-unexpected-multiline": "error",
+    "no-unreachable": "error",
     "no-unused-expressions": [
       "error",
       {
@@ -293,64 +293,64 @@
         "allowTaggedTemplates": true
       }
     ],
-    "no-unused-labels": "warn",
+    "no-unused-labels": "error",
     "no-unused-vars": [
-      "warn",
+      "error",
       {
         "args": "none",
         "ignoreRestSiblings": true
       }
     ],
     "no-use-before-define": "off",
-    "no-useless-computed-key": "warn",
-    "no-useless-concat": "warn",
-    "no-useless-constructor": "warn",
-    "no-useless-escape": "warn",
+    "no-useless-computed-key": "error",
+    "no-useless-concat": "error",
+    "no-useless-constructor": "error",
+    "no-useless-escape": "error",
     "no-useless-rename": [
-      "warn",
+      "error",
       {
         "ignoreDestructuring": false,
         "ignoreImport": false,
         "ignoreExport": false
       }
     ],
-    "no-with": "warn",
-    "no-whitespace-before-property": "warn",
-    "react-hooks/exhaustive-deps": "warn",
-    "require-yield": "warn",
-    "rest-spread-spacing": ["warn", "never"],
-    "strict": ["warn", "never"],
-    "unicode-bom": ["warn", "never"],
-    "use-isnan": "warn",
-    "valid-typeof": "warn",
-    "getter-return": "warn",
-    "react/forbid-foreign-prop-types": ["warn", { "allowInPropTypes": true }],
-    "react/jsx-no-comment-textnodes": "warn",
-    "react/jsx-no-duplicate-props": "warn",
-    "react/jsx-no-target-blank": "warn",
+    "no-with": "error",
+    "no-whitespace-before-property": "error",
+    "react-hooks/exhaustive-deps": "error",
+    "require-yield": "error",
+    "rest-spread-spacing": ["error", "never"],
+    "strict": ["error", "never"],
+    "unicode-bom": ["error", "never"],
+    "use-isnan": "error",
+    "valid-typeof": "error",
+    "getter-return": "error",
+    "react/forbid-foreign-prop-types": ["error", { "allowInPropTypes": true }],
+    "react/jsx-no-comment-textnodes": "error",
+    "react/jsx-no-duplicate-props": "error",
+    "react/jsx-no-target-blank": "error",
     "react/jsx-no-undef": "error",
     "react/jsx-pascal-case": [
-      "warn",
+      "error",
       {
         "allowAllCaps": true,
         "ignore": []
       }
     ],
-    "react/jsx-uses-react": "warn",
-    "react/jsx-uses-vars": "warn",
-    "react/no-danger-with-children": "warn",
-    "react/no-deprecated": "warn",
-    "react/no-direct-mutation-state": "warn",
-    "react/no-is-mounted": "warn",
+    "react/jsx-uses-react": "error",
+    "react/jsx-uses-vars": "error",
+    "react/no-danger-with-children": "error",
+    "react/no-deprecated": "error",
+    "react/no-direct-mutation-state": "error",
+    "react/no-is-mounted": "error",
     "react/no-typos": "error",
     "react/react-in-jsx-scope": "off",
     "react/require-render-return": "error",
-    "react/style-prop-object": "warn",
+    "react/style-prop-object": "error",
     "react-hooks/rules-of-hooks": "error",
-    // "@typescript-eslint/non-nullable-type-assertion-style": "warn",
-    "@typescript-eslint/prefer-as-const": "warn",
+    // "@typescript-eslint/non-nullable-type-assertion-style": "error",
+    "@typescript-eslint/prefer-as-const": "error",
     "@typescript-eslint/no-redeclare": [
-      "warn",
+      "error",
       { "builtinGlobals": false, "ignoreDeclarationMerge": true }
     ]
   }

lint-staged.config.js

@@ -1,44 +1,8 @@
-const { quote } = require('shell-quote')
-const { ESLint } = require('eslint')
-
-const eslint = new ESLint()
-
-/**
- * Escape filenames to ensure that spaces and such aren't interpreted as
- * separators.
- *
- * @param {string[]} filenames
- * @returns {string[]}
- */
-function escape(filenames) {
-  if (process.platform === 'win32') {
-    return filenames
-  }
-
-  return filenames.map((filename) => quote([filename]).replace(/\\@/g, '@'))
-}
-
 module.exports = {
-  '*.{js,jsx,mjs,ts,tsx,mts}': async (filenames) => {
-    const escapedFileNames = escape(filenames).join(' ')
-    const eslintFileNames = await Promise.all(
-      filenames.map(async (filename) => {
-        const ignored = await eslint.isPathIgnored(filename)
-        return ignored ? null : filename
-      })
-    )
-
-    return [
-      `prettier --with-node-modules --ignore-path .prettierignore --write ${escapedFileNames}`,
-      `eslint --no-ignore --max-warnings=0 --fix ${eslintFileNames
-        .filter((filename) => filename !== null)
-        .map((filename) => {
-          return `"${filename}"`
-        })
-        .join(' ')}`,
-      `git add ${escapedFileNames}`,
-    ]
-  },
+  '*.{js,jsx,mjs,ts,tsx,mts}': [
+    'prettier --with-node-modules --ignore-path .prettierignore --write',
+    'eslint --fix',
+  ],
   '*.{json,md,mdx,css,html,yml,yaml,scss}': [
     'prettier --with-node-modules --ignore-path .prettierignore --write',
   ],

package.json

@@ -33,12 +33,12 @@
     "git-clean": "git clean -d -x -e node_modules -e packages -f",
     "typescript": "tsc --noEmit",
     "lint-typescript": "turbo run typescript",
-    "lint-eslint": "eslint . --ext js,jsx,ts,tsx --max-warnings=0 --config .eslintrc.json --no-eslintrc",
+    "lint-eslint": "eslint . --ext js,jsx,ts,tsx --config .eslintrc.json --no-eslintrc",
     "lint-no-typescript": "run-p prettier-check lint-eslint lint-language",
     "types-and-precompiled": "run-p lint-typescript check-precompiled validate-externals-doc",
     "validate-externals-doc": "node ./scripts/validate-externals-doc.js",
     "lint": "run-p test-types lint-typescript prettier-check lint-eslint lint-language",
-    "lint-fix": "pnpm prettier-fix && eslint . --ext js,jsx,ts,tsx --fix --max-warnings=0 --config .eslintrc.json --no-eslintrc",
+    "lint-fix": "pnpm prettier-fix && eslint . --ext js,jsx,ts,tsx --fix --config .eslintrc.json --no-eslintrc",
     "lint-language": "alex .",
     "prettier-check": "prettier --check .",
     "check-examples": "./scripts/check-examples.sh",

packages/font/tsconfig.json

@@ -6,7 +6,8 @@
     "esModuleInterop": true,
     "target": "es2019",
     "outDir": "dist",
-    "rootDir": "src"
+    "rootDir": "src",
+    "skipLibCheck": true
   },
   "include": ["src/**/*.ts"],
   "exclude": ["node_modules", "src/**/*.test.ts"]

packages/next-codemod/tsconfig.json

@@ -5,7 +5,8 @@
     "esModuleInterop": true,
     "target": "es2015",
     "downlevelIteration": true,
-    "preserveWatchOutput": true
+    "preserveWatchOutput": true,
+    "skipLibCheck": true
   },
   "include": ["**/*.ts"],
   "exclude": ["node_modules"]

packages/next-env/package.json

@@ -23,7 +23,7 @@
   "scripts": {
     "dev": "ncc build ./index.ts -w -o dist/",
     "prerelease": "node ../../scripts/rm.mjs dist",
-    "types": "tsc index.ts --declaration --emitDeclarationOnly --declarationDir dist --esModuleInterop",
+    "types": "tsc --declaration --emitDeclarationOnly --declarationDir dist ",
     "release": "ncc build ./index.ts -o ./dist/ --minify --no-cache --no-source-map-register",
     "build": "pnpm release && pnpm types",
     "prepublishOnly": "cd ../../ && turbo run build"

packages/next-env/tsconfig.json

@@ -5,6 +5,8 @@
     "strict": true,
     "resolveJsonModule": true,
     "esModuleInterop": true,
-    "skipLibCheck": false
-  }
+    "skipLibCheck": true
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "dist"]
 }

packages/next/tsconfig.json

@@ -8,7 +8,8 @@
     "moduleResolution": "node",
     "jsx": "react-jsx",
     "stripInternal": true,
-    "verbatimModuleSyntax": true
+    "verbatimModuleSyntax": true,
+    "skipLibCheck": true
   },
   "exclude": [
     "dist",

packages/react-refresh-utils/tsconfig.json

@@ -3,6 +3,7 @@
     "module": "commonjs",
     "sourceMap": true,
     "esModuleInterop": true,
+    "skipLibCheck": true,
     "target": "es2015",
     "lib": ["dom"],
     "downlevelIteration": true,

packages/third-parties/tsconfig.json

@@ -7,7 +7,8 @@
     "jsx": "react-jsx",
     "resolveJsonModule": true,
     "module": "commonjs",
-    "rootDir": "src"
+    "rootDir": "src",
+    "skipLibCheck": true
   },
   "include": ["src/**/*.ts", "src/**/*.tsx"],
   "exclude": ["node_modules"]