| // Copyright 2017 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| module.exports = { |
| 'root': true, |
| 'env': { |
| 'browser': true, |
| // This allows the runtime environment (i.e. objects). |
| 'es6': true, |
| }, |
| 'parserOptions': { |
| // This sets the syntax parsing level. |
| 'ecmaVersion': 2020, |
| 'sourceType': 'module', |
| }, |
| |
| 'plugins': [ |
| 'html', |
| 'jsdoc', |
| ], |
| |
| // See https://eslint.org/docs/rules/ for details. |
| // These rules were picked based on the existing codebase. If you find one |
| // to be too onerous and not required by the styleguide, feel free to discuss. |
| 'rules': { |
| 'array-bracket-spacing': 'error', |
| 'arrow-parens': ['error', 'always'], |
| 'arrow-spacing': ['error', {'before': true, 'after': true}], |
| 'block-spacing': ['error', 'always'], |
| 'comma-dangle': ['error', 'always-multiline'], |
| 'comma-spacing': 'error', |
| 'comma-style': 'error', |
| 'curly': 'error', |
| 'default-param-last': 'error', |
| 'eol-last': 'error', |
| 'func-call-spacing': 'error', |
| 'generator-star-spacing': ['error', 'after'], |
| // l/I: Depending on the font, these are hard to distinguish. |
| 'id-blacklist': ['error', 'l', 'I', 'self'], |
| 'keyword-spacing': 'error', |
| 'lines-between-class-members': 'error', |
| 'max-len': ['error', {'code': 80, 'ignoreUrls': true}], |
| 'new-parens': 'error', |
| 'no-alert': 'error', |
| 'no-case-declarations': 'error', |
| 'no-cond-assign': 'error', |
| 'no-const-assign': 'error', |
| 'no-control-regex': 'error', |
| 'no-debugger': 'error', |
| 'no-dupe-args': 'error', |
| 'no-dupe-class-members': 'error', |
| 'no-dupe-keys': 'error', |
| 'no-duplicate-case': 'error', |
| 'no-empty': 'error', |
| 'no-empty-character-class': 'error', |
| 'no-eval': 'error', |
| 'no-ex-assign': 'error', |
| // We want 'all' (nestedBinaryExpressions=false), but this breaks |
| // closure-compiler casts. |
| 'no-extra-parens': ['error', 'functions'], |
| 'no-extra-semi': 'error', |
| 'no-implied-eval': 'error', |
| 'no-invalid-regexp': 'error', |
| 'no-irregular-whitespace': 'error', |
| 'no-label-var': 'error', |
| 'no-mixed-spaces-and-tabs': 'error', |
| 'no-multi-spaces': ['error', {'ignoreEOLComments': true}], |
| 'no-multiple-empty-lines': 'error', |
| 'no-new': 'error', |
| 'no-new-func': 'error', |
| 'no-new-object': 'error', |
| 'no-new-wrappers': 'error', |
| 'no-obj-calls': 'error', |
| 'no-octal': 'error', |
| 'no-octal-escape': 'error', |
| 'no-return-await': 'error', |
| 'no-script-url': 'error', |
| 'no-self-assign': 'error', |
| 'no-self-compare': 'error', |
| 'no-sequences': 'error', |
| 'no-shadow-restricted-names': 'error', |
| 'no-tabs': 'error', |
| 'no-template-curly-in-string': 'error', |
| 'no-throw-literal': 'error', |
| 'no-trailing-spaces': 'error', |
| 'no-unmodified-loop-condition': 'error', |
| 'no-unneeded-ternary': 'error', |
| 'no-unreachable': 'error', |
| 'no-useless-call': 'error', |
| 'no-useless-concat': 'error', |
| 'no-useless-escape': 'error', |
| 'no-useless-return': 'error', |
| 'no-var': 'error', |
| 'no-void': 'error', |
| // We allow TODO comments. |
| 'no-warning-comments': [ |
| 'error', { |
| 'terms': ['fix', 'fixme', 'xxx'], |
| }, |
| ], |
| 'no-whitespace-before-property': 'error', |
| 'no-with': 'error', |
| 'object-curly-newline': ['error', {'consistent': true}], |
| 'object-curly-spacing': 'error', |
| 'one-var-declaration-per-line': 'error', |
| 'prefer-const': 'error', |
| 'prefer-numeric-literals': 'error', |
| 'prefer-rest-params': 'error', |
| 'quote-props': ['error', 'consistent'], |
| 'quotes': ['error', 'single', |
| {'avoidEscape': true, 'allowTemplateLiterals': true}], |
| 'radix': 'error', |
| 'rest-spread-spacing': 'error', |
| 'semi': ['error', 'always'], |
| 'semi-spacing': 'error', |
| 'semi-style': ['error', 'last'], |
| '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'], |
| 'switch-colon-spacing': ['error', {'after': true, 'before': false}], |
| 'symbol-description': 'error', |
| 'template-curly-spacing': ['error', 'never'], |
| 'unicode-bom': ['error', 'never'], |
| 'use-isnan': 'error', |
| 'valid-typeof': 'error', |
| 'yield-star-spacing': ['error', 'after'], |
| 'yoda': 'error', |
| |
| 'jsdoc/check-access': 'error', |
| 'jsdoc/check-alignment': 'error', |
| 'jsdoc/check-examples': 'error', |
| // We want hanging indentation, but this check requires none everywhere. |
| 'jsdoc/check-indentation': 'off', |
| 'jsdoc/check-param-names': 'error', |
| 'jsdoc/check-property-names': 'error', |
| // Make sure this is disabled as this rejects closure syntax. |
| 'jsdoc/check-syntax': 'off', |
| 'jsdoc/check-tag-names': 'error', |
| // This is disabled until this crash is resolved: |
| // https://github.com/gajus/eslint-plugin-jsdoc/issues/389 |
| 'jsdoc/check-types': 'off', |
| // We don't use these tags in the project. |
| 'jsdoc/check-values': 'off', |
| 'jsdoc/empty-tags': 'error', |
| 'jsdoc/implements-on-classes': 'error', |
| // Can't turn on until require-description is enabled. |
| 'jsdoc/match-description': 'off', |
| 'jsdoc/newline-after-description': 'error', |
| // This is only for TypeScript which we don't care about. |
| 'jsdoc/no-types': 'off', |
| // This would be nice to turn on, but requires a lot more research. |
| // See valid-types setting below too. |
| 'jsdoc/no-undefined-types': 'off', |
| // TODO(vapier): Turn this on. |
| 'jsdoc/require-description': 'off', |
| // TODO(vapier): Turn this on. |
| 'jsdoc/require-description-complete-sentence': 'off', |
| // We don't want to require examples. |
| 'jsdoc/require-example': 'off', |
| // TODO(vapier): Turn this on. |
| 'jsdoc/require-file-overview': 'off', |
| 'jsdoc/require-hyphen-before-param-description': ['error', 'never'], |
| // TODO(vapier): Turn this on. |
| 'jsdoc/require-jsdoc': 'off', |
| 'jsdoc/require-param': 'error', |
| // TODO(vapier): Turn this on. |
| 'jsdoc/require-param-description': 'off', |
| 'jsdoc/require-param-name': 'error', |
| 'jsdoc/require-param-type': 'error', |
| 'jsdoc/require-returns': 'error', |
| 'jsdoc/require-returns-check': 'error', |
| // TODO(vapier): Turn this on. |
| 'jsdoc/require-returns-description': 'off', |
| 'jsdoc/require-returns-type': 'error', |
| // This would be nice to turn on, but requires a lot more research. |
| 'jsdoc/valid-types': 'off', |
| }, |
| |
| 'settings': { |
| // https://github.com/BenoitZugmeyer/eslint-plugin-html#settings |
| 'html': { |
| // TODO(vapier): Would like to use .html.in, but doesn't work right. |
| // https://github.com/BenoitZugmeyer/eslint-plugin-html/issues/127 |
| 'html-extensions': ['.html', '.in'], |
| }, |
| |
| // https://github.com/gajus/eslint-plugin-jsdoc#eslint-plugin-jsdoc |
| 'jsdoc': { |
| 'mode': 'closure', |
| 'preferredTypes': { |
| 'object': 'Object', |
| }, |
| 'tagNamePreference': { |
| // While not explicitly defined, Google/Chromium JS style guides only |
| // use these keyword forms, as does the closure compiler docs. |
| 'augments': 'extends', |
| 'constant': 'const', |
| 'class': 'constructor', |
| 'file': 'fileoverview', |
| 'returns': 'return', |
| 'yields': 'yield', |
| |
| // Stub out closure-specific tags so they get ignored. |
| // TODO(vapier): Delete this after upgrade to newer jsdoc. |
| 'closurePrimitive': '', |
| }, |
| }, |
| }, |
| }; |