.eslintrc.js

const importRules = {
  "import/extensions": [
    "error",
    "never",
    {
      pattern: {
        json: "always",
      },
    },
  ],
  "import/no-unresolved": "off",
};

module.exports = {
  env: {
    es2021: true,
    es6: true,
    node: true,
  },
  extends: [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
  ],
  overrides: [
    {
      env: {
        jest: true,
      },
      files: ["src/**/*.test.ts"],
      rules: {
        "max-lines": ["error", 510],
        "max-lines-per-function": ["error", 495],
        "max-statements": ["error", 28],
      },
    },
    {
      files: ["*.js"],
      rules: {
        "@typescript-eslint/no-unused-vars": "off",
        "no-unused-vars": "off",
      },
    },
    {
      files: ["dist/cli.js", "src/cli/index.ts"],
      rules: {
        "no-process-exit": "off",
        "node/shebang": "off",
      },
    },
    {
      files: ["**/*.md/*.js"],
      rules: {
        "@typescript-eslint/no-var-requires": "off",
        "dot-location": "off",
        "no-undef": "off",
      },
    },
  ],
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaVersion: 12,
    sourceType: "module",
  },
  plugins: ["@babel", "@typescript-eslint", "import", "jest", "node", "promise", "unicorn"],
  rules: {
    ...importRules,
    "accessor-pairs": "error",
    "array-bracket-newline": "error",
    "array-bracket-spacing": "error",
    "array-callback-return": "error",
    "array-element-newline": "off",
    "arrow-body-style": "error",
    "arrow-parens": "error",
    "arrow-spacing": "error",
    "block-scoped-var": "error",
    "block-spacing": "error",
    "brace-style": "error",
    "camelcase": "error",
    "capitalized-comments": "error",
    "class-methods-use-this": "error",
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": "error",
    "comma-style": "error",
    "complexity": "error",
    "computed-property-spacing": "error",
    "consistent-return": "error",
    "consistent-this": "error",
    "curly": "error",
    "default-case": "error",
    "default-case-last": "error",
    "default-param-last": "error",
    "dot-location": "error",
    "dot-notation": "error",
    "eol-last": "error",
    "eqeqeq": "error",
    "func-call-spacing": "error",
    "func-name-matching": "error",
    "func-names": "error",
    "func-style": "error",
    "function-call-argument-newline": ["error", "never"],
    "function-paren-newline": "error",
    "generator-star-spacing": "error",
    "grouped-accessor-pairs": "error",
    "guard-for-in": "error",
    "id-denylist": "error",
    "id-length": "error",
    "id-match": "error",
    "implicit-arrow-linebreak": "error",
    "indent": [
      "error",
      2,
    ],
    "init-declarations": "error",
    "jsx-quotes": "error",
    "key-spacing": "error",
    "keyword-spacing": "error",
    "line-comment-position": "error",
    "linebreak-style": "error",
    "lines-around-comment": "error",
    "lines-between-class-members": "error",
    "max-classes-per-file": "error",
    "max-depth": "error",
    "max-len": ["error", 115],
    "max-lines": ["error", 395],
    "max-lines-per-function": ["error", 181],
    "max-nested-callbacks": "error",
    "max-params": "error",
    "max-statements": ["error", 47],
    "max-statements-per-line": "error",
    "multiline-comment-style": "error",
    "multiline-ternary": "error",
    "new-cap": "error",
    "new-parens": "error",
    "newline-per-chained-call": "error",
    "no-alert": "error",
    "no-array-constructor": "error",
    "no-await-in-loop": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-confusing-arrow": "error",
    "no-console": "error",
    "no-constructor-return": "error",
    "no-continue": "error",
    "no-div-regex": "error",
    "no-duplicate-imports": "error",
    "no-else-return": "error",
    "no-empty-function": "error",
    "no-eq-null": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-extra-parens": "error",
    "no-floating-decimal": "error",
    "no-implicit-coercion": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-inline-comments": "error",
    "no-invalid-this": "error",
    "no-iterator": "error",
    "no-label-var": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-lonely-if": "error",
    "no-loop-func": "error",
    "no-loss-of-precision": "error",
    "no-magic-numbers": "off",
    "no-mixed-operators": "error",
    "no-multi-assign": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-multiple-empty-lines": "error",
    "no-negated-condition": "error",
    "no-nested-ternary": "error",
    "no-new": "error",
    "no-new-func": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-nonoctal-decimal-escape": "error",
    "no-octal-escape": "error",
    "no-param-reassign": "error",
    "no-plusplus": "error",
    "no-process-env": "error",
    "no-process-exit": "error",
    "no-promise-executor-return": "error",
    "no-proto": "error",
    "no-restricted-exports": "error",
    "no-restricted-globals": "error",
    "no-restricted-imports": "error",
    "no-restricted-properties": "error",
    "no-restricted-syntax": "error",
    "no-return-assign": "error",
    "no-return-await": "error",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-shadow": "error",
    "no-tabs": "error",
    "no-template-curly-in-string": "error",
    "no-ternary": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef": "error",
    "no-undef-init": "error",
    "no-undefined": "error",
    "no-underscore-dangle": "error",
    "no-unmodified-loop-condition": "error",
    "no-unneeded-ternary": "error",
    "no-unreachable-loop": "error",
    "no-unsafe-optional-chaining": "error",
    "no-unused-expressions": "error",
    "no-unused-vars": "error",
    "no-use-before-define": "error",
    "no-useless-backreference": "error",
    "no-useless-call": "error",
    "no-useless-computed-key": "error",
    "no-useless-concat": "error",
    "no-useless-constructor": "error",
    "no-useless-rename": "error",
    "no-useless-return": "error",
    "no-var": "error",
    "no-void": "error",
    "no-warning-comments": "error",
    "no-whitespace-before-property": "error",
    "node/no-unpublished-require": "error",
    "node/no-unsupported-features/es-syntax": "off",
    "nonblock-statement-body-position": "error",
    "object-curly-newline": "error",
    "object-curly-spacing": "off",
    "object-property-newline": "error",
    "object-shorthand": "error",
    "one-var": "off",
    "one-var-declaration-per-line": "error",
    "operator-assignment": "error",
    "operator-linebreak": "error",
    "padded-blocks": "off",
    "padding-line-between-statements": "error",
    "prefer-arrow-callback": "error",
    "prefer-const": "error",
    "prefer-destructuring": "error",
    "prefer-exponentiation-operator": "error",
    "prefer-named-capture-group": "error",
    "prefer-numeric-literals": "error",
    "prefer-object-spread": "error",
    "prefer-promise-reject-errors": "error",
    "prefer-regex-literals": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "prefer-template": "error",
    "quote-props": [
      "error",
      "consistent-as-needed",
    ],
    "quotes": "error",
    "radix": "error",
    "require-atomic-updates": "error",
    "require-await": "error",
    "require-unicode-regexp": "error",
    "rest-spread-spacing": "error",
    "semi": "error",
    "semi-spacing": "error",
    "semi-style": "error",
    "sort-imports": "error",
    "sort-keys": "error",
    "sort-vars": "error",
    "space-before-blocks": "error",
    "space-before-function-paren": "error",
    "space-in-parens": "error",
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "spaced-comment": "error",
    "strict": "error",
    "switch-colon-spacing": "error",
    "symbol-description": "error",
    "template-curly-spacing": "error",
    "template-tag-spacing": "error",
    "unicode-bom": "error",
    "vars-on-top": "error",
    "wrap-iife": "error",
    "wrap-regex": "error",
    "yield-star-spacing": "error",
    "yoda": "error",
  },
};