.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: ["react-app", "react-app/jest", "eslint:recommended"],
  parserOptions: {
    ecmaVersion: 2020,
  },
  plugins: ["prettier"],
  rules: {
    "prettier/prettier": "error",
    eqeqeq: ["error", "always"], // 需要使用===和!==
    "no-var": "error",
    "no-new-object": "error",
    "object-shorthand": "error",
    // "prefer-object-spread": "error",
    "prefer-destructuring": ["error", { object: true, array: false }],
    "prefer-template": "error",
    "prefer-const": "error",
    "no-eval": "error",
    "func-style": "error",
    "no-loop-func": "error",
    "prefer-rest-params": "error",
    "no-new-func": "error",
    "no-param-reassign": ["error", { props: false }],
    "one-var": ["error", "never"],
    "no-nested-ternary": "error",
    "no-unneeded-ternary": "error",
    "import/no-mutable-exports": "error",
    "import/prefer-default-export": "error",
    "import/first": "error",
    "import/extensions": [
      "error",
      "never",
      { css: "always", svg: "always", md: "always" },
    ],
    "import/no-duplicates": "error",
    "no-console": process.env.NODE_ENV === "production" ? "error" : "warn",
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "warn",
  },
};