module.exports = {
  root: true,
  parserOptions: {
    parser: "babel-eslint",
    sourceType: "module"
  },
  env: {
    browser: true,
    node: true,
    es6: true
  },
  extends: ["airbnb-base"],
  rules: {
    // error
    "func-style": ["error", "declaration", { allowArrowFunctions: true }],
    quotes: ["error", "single", { allowTemplateLiterals: true }],
    semi: ["error", "never"],
    // warn
    "import/first": "warn", // import 放在文件头
    "spaced-comment": "warn", // 注释要含有空格
    camelcase: "warn", // 驼峰命名
    "max-len": ["warn", { code: 150 }],
    "operator-assignment": "warn",
    "prefer-destructuring": "warn",
    "prefer-template": "warn",
    "eol-last": "warn",
    "object-curly-spacing": "warn",
    "no-return-assign": "warn",
    // off
    "no-underscore-dangle": "off",
    "object-curly-newline": "off",
    "comma-dangle": "off",
    "linebreak-style": "off",
    "no-restricted-syntax": "off",
    radix: "off",
    "consistent-return": "off",
    "no-plusplus": "off",
    "import/prefer-default-export": "off",
    "arrow-parens": "off",
    "no-console": process.env.NODE_ENV === "production" ? "error" : "off",
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off",
    "no-alert": process.env.NODE_ENV === "production" ? "error" : "off",
    indent: [
      2,
      2,
      {
        SwitchCase: 1
      }
    ],
    "import/no-named-as-default": "off"
  }
};