| 'use strict'; |
| |
| /* eslint-env node */ |
| |
| const Module = require('module'); |
| const path = require('path'); |
| |
| const NodePlugin = require('./tools/node_modules/eslint-plugin-node-core'); |
| NodePlugin.RULES_DIR = path.resolve(__dirname, 'tools', 'eslint-rules'); |
| |
| // The Module._findPath() monkeypatching is to make it so that ESLint will work |
| // if invoked by a globally-installed ESLint or ESLint installed elsewhere |
| // rather than the one we ship. This makes it possible for IDEs to lint files |
| // with our rules while people edit them. |
| const ModuleFindPath = Module._findPath; |
| const hacks = [ |
| 'eslint-plugin-node-core', |
| 'eslint-plugin-markdown', |
| 'babel-eslint', |
| ]; |
| Module._findPath = (request, paths, isMain) => { |
| const r = ModuleFindPath(request, paths, isMain); |
| if (!r && hacks.includes(request)) { |
| try { |
| return require.resolve(`./tools/node_modules/${request}`); |
| // Keep the variable in place to ensure that ESLint started by older Node.js |
| // versions work as expected. |
| // eslint-disable-next-line no-unused-vars |
| } catch (e) { |
| return require.resolve( |
| `./tools/node_modules/eslint/node_modules/${request}`); |
| } |
| } |
| return r; |
| }; |
| |
| module.exports = { |
| root: true, |
| plugins: ['markdown', 'node-core'], |
| parser: 'babel-eslint', |
| parserOptions: { sourceType: 'script' }, |
| overrides: [ |
| { |
| files: [ |
| 'doc/api/esm.md', |
| 'doc/api/modules.md', |
| 'test/es-module/test-esm-type-flag.js', |
| 'test/es-module/test-esm-type-flag-alias.js', |
| '*.mjs', |
| 'test/es-module/test-esm-example-loader.js', |
| ], |
| parserOptions: { sourceType: 'module' }, |
| }, |
| { |
| files: ['**/*.md'], |
| parserOptions: { ecmaFeatures: { impliedStrict: true } }, |
| rules: { strict: 'off' }, |
| }, |
| ], |
| rules: { |
| // ESLint built-in rules |
| // http://eslint.org/docs/rules |
| 'accessor-pairs': 'error', |
| 'array-callback-return': 'error', |
| 'arrow-parens': ['error', 'always'], |
| 'arrow-spacing': ['error', { before: true, after: true }], |
| 'block-scoped-var': 'error', |
| 'block-spacing': 'error', |
| 'brace-style': ['error', '1tbs', { allowSingleLine: true }], |
| 'capitalized-comments': ['error', 'always', { |
| line: { |
| // Ignore all lines that have less characters than 20 and all lines that |
| // start with something that looks like a variable name or code. |
| // eslint-disable-next-line max-len |
| ignorePattern: '.{0,20}$|[a-z]+ ?[0-9A-Z_.(/=:[#-]|std|http|ssh|ftp|(let|var|const) [a-z_A-Z0-9]+ =|[b-z] |[a-z]*[0-9].* ', |
| ignoreInlineComments: true, |
| ignoreConsecutiveComments: true, |
| }, |
| block: { |
| ignorePattern: '.*', |
| }, |
| }], |
| 'comma-dangle': ['error', 'only-multiline'], |
| 'comma-spacing': 'error', |
| 'comma-style': 'error', |
| 'computed-property-spacing': 'error', |
| 'constructor-super': 'error', |
| 'dot-location': ['error', 'property'], |
| 'dot-notation': 'error', |
| 'eol-last': 'error', |
| 'eqeqeq': ['error', 'smart'], |
| 'for-direction': 'error', |
| 'func-call-spacing': 'error', |
| 'func-name-matching': 'error', |
| 'func-style': ['error', 'declaration', { allowArrowFunctions: true }], |
| 'getter-return': 'error', |
| 'indent': ['error', 2, { |
| ArrayExpression: 'first', |
| CallExpression: { arguments: 'first' }, |
| FunctionDeclaration: { parameters: 'first' }, |
| FunctionExpression: { parameters: 'first' }, |
| MemberExpression: 'off', |
| ObjectExpression: 'first', |
| SwitchCase: 1, |
| }], |
| 'key-spacing': ['error', { mode: 'strict' }], |
| 'keyword-spacing': 'error', |
| 'linebreak-style': ['error', 'unix'], |
| 'max-len': ['error', { |
| code: 80, |
| ignorePattern: '^// Flags:', |
| ignoreRegExpLiterals: true, |
| ignoreUrls: true, |
| tabWidth: 2, |
| }], |
| 'new-parens': 'error', |
| 'no-class-assign': 'error', |
| 'no-confusing-arrow': 'error', |
| 'no-const-assign': 'error', |
| 'no-control-regex': 'error', |
| 'no-debugger': 'error', |
| 'no-delete-var': 'error', |
| 'no-dupe-args': 'error', |
| 'no-dupe-class-members': 'error', |
| 'no-dupe-keys': 'error', |
| 'no-duplicate-case': 'error', |
| 'no-duplicate-imports': 'error', |
| 'no-empty-character-class': 'error', |
| 'no-ex-assign': 'error', |
| 'no-extra-boolean-cast': 'error', |
| 'no-extra-parens': ['error', 'functions'], |
| 'no-extra-semi': 'error', |
| 'no-fallthrough': 'error', |
| 'no-func-assign': 'error', |
| 'no-global-assign': 'error', |
| 'no-invalid-regexp': 'error', |
| 'no-irregular-whitespace': 'error', |
| 'no-lonely-if': 'error', |
| 'no-misleading-character-class': 'error', |
| 'no-mixed-requires': 'error', |
| 'no-mixed-spaces-and-tabs': 'error', |
| 'no-multi-spaces': ['error', { ignoreEOLComments: true }], |
| 'no-multiple-empty-lines': ['error', { max: 2, maxEOF: 0, maxBOF: 0 }], |
| 'no-new-require': 'error', |
| 'no-new-symbol': 'error', |
| 'no-obj-calls': 'error', |
| 'no-octal': 'error', |
| 'no-path-concat': 'error', |
| 'no-proto': 'error', |
| 'no-redeclare': 'error', |
| 'no-restricted-modules': ['error', 'sys'], |
| /* eslint-disable max-len */ |
| 'no-restricted-properties': [ |
| 'error', |
| { |
| object: 'assert', |
| property: 'deepEqual', |
| message: 'Use `assert.deepStrictEqual()`.', |
| }, |
| { |
| object: 'assert', |
| property: 'notDeepEqual', |
| message: 'Use `assert.notDeepStrictEqual()`.', |
| }, |
| { |
| object: 'assert', |
| property: 'equal', |
| message: 'Use `assert.strictEqual()` rather than `assert.equal()`.', |
| }, |
| { |
| object: 'assert', |
| property: 'notEqual', |
| message: 'Use `assert.notStrictEqual()` rather than `assert.notEqual()`.', |
| }, |
| { |
| property: '__defineGetter__', |
| message: '__defineGetter__ is deprecated.', |
| }, |
| { |
| property: '__defineSetter__', |
| message: '__defineSetter__ is deprecated.', |
| }, |
| ], |
| // If this list is modified, please copy changes that should apply to ./lib |
| // as well to lib/.eslintrc.yaml. |
| 'no-restricted-syntax': [ |
| 'error', |
| { |
| selector: "CallExpression[callee.property.name='deepStrictEqual'][arguments.2.type='Literal']", |
| message: 'Do not use a literal for the third argument of assert.deepStrictEqual()', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='doesNotThrow']", |
| message: 'Do not use `assert.doesNotThrow()`. Write the code without the wrapper and add a comment instead.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='doesNotReject']", |
| message: 'Do not use `assert.doesNotReject()`. Write the code without the wrapper and add a comment instead.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='rejects'][arguments.length<2]", |
| message: '`assert.rejects()` must be invoked with at least two arguments.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='strictEqual'][arguments.2.type='Literal']", |
| message: 'Do not use a literal for the third argument of assert.strictEqual()', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='throws'][arguments.1.type='Literal']:not([arguments.1.regex])", |
| message: 'Use an object as second argument of `assert.throws()`.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='throws'][arguments.length<2]", |
| message: '`assert.throws()` must be invoked with at least two arguments.', |
| }, |
| { |
| selector: "CallExpression[callee.name='setTimeout'][arguments.length<2]", |
| message: '`setTimeout()` must be invoked with at least two arguments.', |
| }, |
| { |
| selector: "CallExpression[callee.name='setInterval'][arguments.length<2]", |
| message: '`setInterval()` must be invoked with at least two arguments.', |
| }, |
| { |
| selector: 'ThrowStatement > CallExpression[callee.name=/Error$/]', |
| message: 'Use `new` keyword when throwing an `Error`.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='notDeepStrictEqual'][arguments.0.type='Literal']:not([arguments.1.type='Literal']):not([arguments.1.type='ObjectExpression']):not([arguments.1.type='ArrayExpression']):not([arguments.1.type='UnaryExpression'])", |
| message: 'The first argument should be the `actual`, not the `expected` value.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='notStrictEqual'][arguments.0.type='Literal']:not([arguments.1.type='Literal']):not([arguments.1.type='ObjectExpression']):not([arguments.1.type='ArrayExpression']):not([arguments.1.type='UnaryExpression'])", |
| message: 'The first argument should be the `actual`, not the `expected` value.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='deepStrictEqual'][arguments.0.type='Literal']:not([arguments.1.type='Literal']):not([arguments.1.type='ObjectExpression']):not([arguments.1.type='ArrayExpression']):not([arguments.1.type='UnaryExpression'])", |
| message: 'The first argument should be the `actual`, not the `expected` value.', |
| }, |
| { |
| selector: "CallExpression[callee.property.name='strictEqual'][arguments.0.type='Literal']:not([arguments.1.type='Literal']):not([arguments.1.type='ObjectExpression']):not([arguments.1.type='ArrayExpression']):not([arguments.1.type='UnaryExpression'])", |
| message: 'The first argument should be the `actual`, not the `expected` value.', |
| }, |
| ], |
| /* eslint-enable max-len */ |
| 'no-return-await': 'error', |
| 'no-self-assign': 'error', |
| 'no-self-compare': 'error', |
| 'no-tabs': 'error', |
| 'no-template-curly-in-string': 'error', |
| 'no-this-before-super': 'error', |
| 'no-throw-literal': 'error', |
| 'no-trailing-spaces': 'error', |
| 'no-undef': ['error', { typeof: true }], |
| 'no-undef-init': 'error', |
| 'no-unexpected-multiline': 'error', |
| 'no-unreachable': 'error', |
| 'no-unsafe-finally': 'error', |
| 'no-unsafe-negation': 'error', |
| 'no-unused-labels': 'error', |
| 'no-unused-vars': ['error', { args: 'none', caughtErrors: 'all' }], |
| 'no-use-before-define': ['error', { |
| classes: true, |
| functions: false, |
| variables: false, |
| }], |
| 'no-useless-call': 'error', |
| 'no-useless-catch': 'error', |
| 'no-useless-concat': 'error', |
| 'no-useless-constructor': 'error', |
| 'no-useless-escape': 'error', |
| 'no-useless-return': 'error', |
| 'no-void': 'error', |
| 'no-whitespace-before-property': 'error', |
| 'no-with': 'error', |
| 'object-curly-spacing': ['error', 'always'], |
| 'one-var': ['error', { initialized: 'never' }], |
| 'one-var-declaration-per-line': 'error', |
| 'operator-linebreak': ['error', 'after'], |
| 'prefer-const': ['error', { ignoreReadBeforeAssign: true }], |
| 'quotes': ['error', 'single', { avoidEscape: true }], |
| 'quote-props': ['error', 'consistent'], |
| 'rest-spread-spacing': 'error', |
| 'semi': 'error', |
| 'semi-spacing': 'error', |
| 'space-before-blocks': ['error', 'always'], |
| 'space-before-function-paren': ['error', { |
| anonymous: 'never', |
| named: 'never', |
| asyncArrow: 'always', |
| }], |
| 'space-in-parens': ['error', 'never'], |
| 'space-infix-ops': 'error', |
| 'space-unary-ops': 'error', |
| 'spaced-comment': ['error', 'always', { |
| 'block': { 'balanced': true }, |
| 'exceptions': ['-'], |
| }], |
| 'strict': ['error', 'global'], |
| 'symbol-description': 'error', |
| 'template-curly-spacing': 'error', |
| 'unicode-bom': 'error', |
| 'use-isnan': 'error', |
| 'valid-typeof': 'error', |
| |
| // Custom rules from eslint-plugin-node-core |
| 'node-core/no-unescaped-regexp-dot': 'error', |
| 'node-core/no-duplicate-requires': 'error', |
| }, |
| globals: { |
| Atomics: 'readable', |
| BigInt: 'readable', |
| BigInt64Array: 'readable', |
| BigUint64Array: 'readable', |
| TextEncoder: 'readable', |
| TextDecoder: 'readable', |
| queueMicrotask: 'readable', |
| }, |
| }; |
