.eslintrc.js

module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 6,
    sourceType: 'module',
  },
  extends: [
    'plugin:@typescript-eslint/recommended',
    'eslint:recommended',
    'airbnb-base',
  ],
  plugins: [
    '@typescript-eslint',
  ],
  globals: {
    NodeJS: true,
  },
  rules: {
    'arrow-body-style': 'off',
    'arrow-parens': [
      'error',
      'always',
    ],
    'global-require': 'off',
    'import/extensions': 'off',
    'import/no-extraneous-dependencies': 'off',
    'import/prefer-default-export': 'off',
    'import/no-unresolved': 'off',
    'template-curly-spacing': ['error', 'never'],
    'no-continue': 'off',
    'no-loop-func': 'off',
    'no-mixed-operators': 'off',
    'no-plusplus': 'off',
    'no-restricted-syntax': 'off',
    'no-underscore-dangle': 'off',
    'no-shadow': 'off',
    'no-bitwise': 'off',
    'no-unused-expressions': ['error', {
      allowShortCircuit: true,
      allowTernary: true,
    }],
    'no-restricted-globals': ['error', {
      name: 'event',
      message: 'Use local parameter instead.',
    }],
    'max-len': ['error', 120, {
      ignoreComments: true,
      ignoreStrings: true,
      ignoreTemplateLiterals: true,
      ignoreUrls: true,
      ignoreTrailingComments: true,
    }],
    'max-lines': ['error', { max: 800 }],
    'no-param-reassign': ['error', {
      props: false,
    }],
    'no-template-curly-in-string': 'off',
    'object-curly-newline': ['error', {
      consistent: true,
      multiline: true,
    }],
    'prefer-const': 'warn',
    'prefer-destructuring': ['warn', {
      AssignmentExpression: {
        array: false,
        object: false,
      },
      VariableDeclarator: {
        array: false,
        object: true,
      },
    }],
    semi: 'error',
    'space-before-function-paren': ['error', { anonymous: 'always', named: 'never', asyncArrow: 'always' }],
    'spaced-comment': ['error', 'always', {
      block: { exceptions: ['*'] },
    }],
    // 与 eslint-config-standard 不同的部分
    'no-console': process.env.NODE_ENV === 'production'
      ? ['error', { allow: ['error'] }]
      : ['warn', { allow: ['error'] }],
    'no-debugger': process.env.NODE_ENV === 'production'
      ? 'error'
      : 'warn',
    'comma-dangle': ['error', 'always-multiline'],
    indent: ['error', 2, { SwitchCase: 1, MemberExpression: 'off' }],
    'quote-props': ['error', 'as-needed'],
    'no-unused-vars': 'off', // 应当由 @typescript-eslint/no-unused-vars 来检查 no-unused-vars
    'object-property-newline': ['error', { allowAllPropertiesOnSameLine: true }],
    'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
    'consistent-return': 'off', // 由 typescript 管理函数返回结果的类型，不必强制要求函数返回值类型必须一致
    'class-methods-use-this': 'off', // 由 typescript 管理函数类型，不必强制要求成员函数必须调用 this
    'max-classes-per-file': 'off', // 由 typescript 管理类的代码静态解析，不必强制要求每个文件只能有一个 Class
    'no-use-before-define': 'off', // 由 typescript 管理变量定义的合法性检查，非代码块中应当允许自动的变量提升行为
    // @typescript
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-empty-function': 'warn',
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-unused-vars': process.env.NODE_ENV === 'production'
      ? ['error', { ignoreRestSiblings: true, varsIgnorePattern: '_ignored' }]
      : ['warn', { ignoreRestSiblings: true, varsIgnorePattern: '_ignored' }],
    '@typescript-eslint/naming-convention': ['warn', {
      selector: 'enumMember',
      format: ['PascalCase'],
    }],
  },
};