module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
    es2021: true,
  },
  extends: ["eslint:recommended"],
  parserOptions: {
    ecmaVersion: 12,
    sourceType: "module",
  },
  rules: {
    indent: ["error", 2],
    "comma-dangle": "off",
    "function-paren-newline": "off",
    "global-require": "off",
    "import/no-dynamic-require": "off",
    "no-inner-declarations": "off",
    // New rules
    "class-methods-use-this": "off",
    "import/extensions": "off",
    "import/prefer-default-export": "off",
    // render不规范
    "react/display-name": "off",
    "react/prop-types": "off",
    "require-atomic-updates": "off",
    // 数组统一空格 [1, 2, 3, ...]
    "array-bracket-spacing": 2,
    // prettier 中默认函数名不加空格，类似 function add() {}，而eslint中默认为function add () {}
    "space-before-function-paren": 0,
    //禁止在使用new构造一个实例后不赋值
    "no-new": 0,
    "no-unused-vars": [
      2,
      {
        // 允许声明未使用变量
        vars: "all",
        // 参数不检查
        args: "none",
      },
    ],
    // 语句强制分号结尾
    semi: [2, "always"],
    //空行最多不能超过10行
    "no-multiple-empty-lines": [0, { max: 10 }],
    "no-useless-escape": 0, //正则中多余的斜杠
    "no-prototype-builtins": 0,
    "no-sparse-arrays": 0,
    //关闭禁止混用tab和空格
    // "no-mixed-spaces-and-tabs": [0],
    // "no-self-assign": 0,   // 自我分配
    "no-undef": 0, //不能有未定义的变量
  }
};