.eslintrc.js 5.6 KB

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  1. // Copyright 2017 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. module.exports = {
  5. 'root': true,
  6. 'env': {
  7. 'browser': true,
  8. 'es2020': true,
  9. },
  10. 'parserOptions': {
  11. 'ecmaVersion': 2020,
  12. 'sourceType': 'module',
  13. },
  14. 'rules': {
  15. // Enabled checks.
  16. 'brace-style': ['error', '1tbs'],
  17. // https://google.github.io/styleguide/jsguide.html#features-arrays-trailing-comma
  18. // https://google.github.io/styleguide/jsguide.html#features-objects-use-trailing-comma
  19. 'comma-dangle': ['error', 'always-multiline'],
  20. 'curly': ['error', 'multi-line', 'consistent'],
  21. 'new-parens': 'error',
  22. 'no-array-constructor': 'error',
  23. 'no-console': ['error', {allow: ['info', 'warn', 'error', 'assert']}],
  24. 'no-extra-boolean-cast': 'error',
  25. 'no-extra-semi': 'error',
  26. 'no-new-wrappers': 'error',
  27. 'no-restricted-properties': [
  28. 'error',
  29. {
  30. 'property': '__lookupGetter__',
  31. 'message': 'Use Object.getOwnPropertyDescriptor',
  32. },
  33. {
  34. 'property': '__lookupSetter__',
  35. 'message': 'Use Object.getOwnPropertyDescriptor',
  36. },
  37. {
  38. 'property': '__defineGetter__',
  39. 'message': 'Use Object.defineProperty',
  40. },
  41. {
  42. 'property': '__defineSetter__',
  43. 'message': 'Use Object.defineProperty',
  44. },
  45. {
  46. 'object': 'cr',
  47. 'property': 'exportPath',
  48. 'message': 'Use ES modules or cr.define() instead',
  49. },
  50. ],
  51. 'no-throw-literal': 'error',
  52. 'no-trailing-spaces': 'error',
  53. 'no-var': 'error',
  54. 'prefer-const': 'error',
  55. 'quotes': ['error', 'single', {allowTemplateLiterals: true}],
  56. 'semi': ['error', 'always'],
  57. // https://google.github.io/styleguide/jsguide.html#features-one-variable-per-declaration
  58. 'one-var': ['error', {
  59. let: 'never',
  60. const: 'never',
  61. }],
  62. // TODO(dpapad): Add more checks according to our styleguide.
  63. },
  64. 'overrides': [{
  65. 'files': ['**/*.ts'],
  66. 'parser': './third_party/node/node_modules/@typescript-eslint/parser',
  67. 'plugins': [
  68. '@typescript-eslint',
  69. ],
  70. 'rules': {
  71. 'no-unused-vars': 'off',
  72. '@typescript-eslint/no-unused-vars': [
  73. 'error', {
  74. argsIgnorePattern: '^_',
  75. varsIgnorePattern: '^_',
  76. }
  77. ],
  78. 'semi': 'off',
  79. '@typescript-eslint/semi': ['error'],
  80. // https://google.github.io/styleguide/tsguide.html#arrayt-type
  81. '@typescript-eslint/array-type': ['error', {
  82. default: 'array-simple',
  83. }],
  84. // https://google.github.io/styleguide/tsguide.html#type-assertions-syntax
  85. '@typescript-eslint/consistent-type-assertions': ['error', {
  86. assertionStyle: 'as',
  87. }],
  88. // https://google.github.io/styleguide/tsguide.html#interfaces-vs-type-aliases
  89. "@typescript-eslint/consistent-type-definitions": ['error', 'interface'],
  90. // https://google.github.io/styleguide/jsguide.html#naming
  91. '@typescript-eslint/naming-convention': [
  92. 'error',
  93. {
  94. selector: ['class', 'interface', 'typeAlias', 'enum', 'typeParameter'],
  95. format: ['PascalCase'],
  96. },
  97. {
  98. selector: 'enumMember',
  99. format: ['UPPER_CASE'],
  100. },
  101. {
  102. selector: 'classMethod',
  103. format: ['camelCase'],
  104. modifiers: ['public'],
  105. },
  106. {
  107. selector: 'classMethod',
  108. format: ['camelCase'],
  109. modifiers: ['private'],
  110. trailingUnderscore: 'allow',
  111. },
  112. {
  113. selector: 'classProperty',
  114. format: ['UPPER_CASE'],
  115. modifiers: ['private', 'static', 'readonly'],
  116. },
  117. {
  118. selector: 'classProperty',
  119. format: ['UPPER_CASE'],
  120. modifiers: ['public', 'static', 'readonly'],
  121. },
  122. {
  123. selector: 'classProperty',
  124. format: ['camelCase'],
  125. modifiers: ['public'],
  126. },
  127. {
  128. selector: 'classProperty',
  129. format: ['camelCase'],
  130. modifiers: ['private'],
  131. trailingUnderscore: 'allow',
  132. },
  133. {
  134. selector: 'parameter',
  135. format: ['camelCase'],
  136. leadingUnderscore: 'allow',
  137. },
  138. {
  139. selector: 'function',
  140. format: ['camelCase'],
  141. },
  142. ],
  143. '@typescript-eslint/member-delimiter-style': ['error', {
  144. multiline: {
  145. delimiter: 'comma',
  146. requireLast: true,
  147. },
  148. singleline: {
  149. delimiter: 'comma',
  150. requireLast: false,
  151. },
  152. overrides: {
  153. interface: {
  154. multiline: {
  155. delimiter: 'semi',
  156. requireLast: true,
  157. },
  158. singleline: {
  159. delimiter: 'semi',
  160. requireLast: false,
  161. },
  162. },
  163. },
  164. }],
  165. // https://google.github.io/styleguide/tsguide.html#wrapper-types
  166. '@typescript-eslint/ban-types': ['error', {
  167. extendDefaults: false,
  168. types: {
  169. String: {
  170. message: 'Use string instead',
  171. fixWith: 'string',
  172. },
  173. Boolean: {
  174. message: 'Use boolean instead',
  175. fixWith: 'boolean',
  176. },
  177. Number: {
  178. message: 'Use number instead',
  179. fixWith: 'number',
  180. },
  181. Symbol: {
  182. message: 'Use symbol instead',
  183. fixWith: 'symbol',
  184. },
  185. BigInt: {
  186. message: 'Use bigint instead',
  187. fixWith: 'bigint',
  188. },
  189. }
  190. }],
  191. }
  192. }]
  193. };