const path = require('path');
module.exports = {
  parser: 'babel-eslint',
  // JavaScript 语言解析选项
  parserOptions: {
    // ECMAScript 版本
    ecmaVersion: 6,
    sourceType: 'module',
    // 额外的语言特性:
    ecmaFeatures: {
      experimentalDecorators: true,
      experimentalObjectRestSpread: true,
      jsx: true,
    },
  },
  extends: [
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:react/recommended',
    'plugin:prettier/recommended',
    'prettier/react',
    'prettier/standard',
  ],
  plugins: ['babel', 'import', 'flowtype', 'jsx-a11y', 'react', 'redux-saga', 'prettier'],
  settings: {
    react: {
      version: '16.0',
    },
    'import/resolver': {
      webpack: {
        config: path.resolve(__dirname, './config/webpack.config.dev.js'),
      },
    },
  },
  globals: {
    _: true,
  },
  // 预定义的全局变量。
  env: {
    browser: true,
    commonjs: true,
    es6: true,
    node: true,
  },
  // 以当前目录为根目录，不再向上查找
  root: true,
  rules: {
    // indent: [
    //   2,
    //   2,
    //   {
    //     SwitchCase: 1,
    //   },
    // ],
    // 'comma-dangle': [2, 'always-multiline'],
    'babel/new-cap': 0,
    'arrow-body-style': [2, 'as-needed'],
    'max-len': 0,
    'no-plusplus': 0,
    'no-console': 1,
    'no-unused-vars': 'warn',
    'no-script-url': 0,
    'import/first': 0,
    'no-underscore-dangle': 0,
    'global-require': 0,
    'import/imports-first': 0,
    'import/no-dynamic-require': 0,
    'import/extensions': 0,
    'import/no-unresolved': [
      2,
      {
        commonjs: true,
        amd: true,
      },
    ],
    'import/prefer-default-export': 0,
    'redux-saga/no-yield-in-race': 2,
    'redux-saga/yield-effects': 2,
    'react/require-default-props': 0,
    'react/forbid-prop-types': 0,
    'react/display-name': 0,
    'jsx-a11y/aria-props': 2,
    'jsx-a11y/heading-has-content': 0,
    'jsx-a11y/label-has-for': 2,
    'jsx-a11y/mouse-events-have-key-events': 2,
    'jsx-a11y/role-has-required-aria-props': 2,
    'jsx-a11y/role-supports-aria-props': 2,
    'jsx-a11y/media-has-caption': 0,
    'jsx-a11y/anchor-is-valid': [
      'error',
      {
        components: ['Link'],
        specialLink: ['to'],
        aspects: ['noHref', 'preferButton'],
      },
    ],
    // 'react/jsx-first-prop-new-line': [2, 'multiline'],
    // 设置jsx允许的文件扩展名
    'react/jsx-filename-extension': [
      1,
      {
        extensions: ['.js', '.jsx'],
      },
    ],
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
    'prettier/prettier': [
      'error',
      // prettier 规则配置
      {
        endOfLine: 'auto', // 换行cr检查
      },
    ],
  },
};