.eslintrc.json

{
  "extends": [
    // Prettier presets are partial "anti-presets" for other presets, that disable unnecessary/conflicting rules.

    /*
     * Enable all rules:
     *   1. Majority of rules and default options are good
     *   2. eslint:recommended is only a small subset
     *   3. We automatically gain new rules when they are released
     */
    "eslint:all",
    "prettier",

    // Need to be specific, because this config is one level above the package.jsons that have type:module
    "plugin:n/recommended-module"
  ],
  "plugins": ["import"],
  "parserOptions": {
    "ecmaVersion": 2022,
    "sourceType": "module"
  },
  "env": {
    "es2021": true,
    "node": true
  },
  "reportUnusedDisableDirectives": true,
  "rules": {
    // eslint:all - Disable unwanted rules. Add appropriate others as and when they're discovered.
    "capitalized-comments": "off",
    "global-require": "off",
    "init-declarations": "off",
    "line-comment-position": "off",
    "multiline-comment-style": "off",
    "no-eq-null": "off",
    "no-inline-comments": "off",
    "no-magic-numbers": "off",
    "no-plusplus": "off",
    "no-ternary": "off",
    "no-undefined": "off",
    "one-var": "off",
    "sort-imports": "off", // using import/order instead
    "sort-keys": "off",
    "strict": "off",

    // eslint:all - Modify default options
    "eqeqeq": ["error", "always", { "null": "never" }],
    "func-names": ["error", "as-needed"],
    "func-style": ["error", "declaration"],
    "id-length": ["error", { "exceptions": ["_", "a", "b", "i"] }],
    "no-unused-vars": ["error", { "ignoreRestSiblings": true }],
    "no-use-before-define": ["error", "nofunc"],
    "spaced-comment": ["error", "always", { "block": { "balanced": true } }],

    // eslint:all & prettier - Re-enable some of the rules that are compatible when certain options are used
    //   (https://github.com/prettier/eslint-config-prettier#special-rules)
    "curly": "error",
    "max-len": ["error", { "code": 1000, "comments": 90, "ignoreUrls": true }],
    "quotes": [
      "error",
      "single",
      { "avoidEscape": true, "allowTemplateLiterals": false }
    ],

    // eslint:all - Rules whose default options do nothing. Options need to be compatible with Prettier.
    "padding-line-between-statements": [
      "error",
      { "blankLine": "always", "prev": "*", "next": ["cjs-export"] },

      { "blankLine": "always", "prev": "*", "next": "block-like" },
      { "blankLine": "always", "prev": "block-like", "next": "*" }
    ],

    // eslint-plugin-import - selection (not comprehensive)
    "import/newline-after-import": "error",
    "import/no-extraneous-dependencies": "error",
    "import/order": ["error", { "newlines-between": "never" }]
  }
}