.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true,
        "mocha": true
    },
    "plugins": [
        "jsdoc",
        "sort-keys-fix",
        "sort-requires",
        "node",
        "regexp"
    ],
    "extends": [
        "eslint:recommended",
        "plugin:regexp/recommended"
    ],
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module"
    },
    "settings": {
        "jsdoc": {
            "mode": "closure",
            "tagNamePreference": {
                "returns": "returns",
                "augments": "extends"
            }
        }
    },
    "rules": {
        "no-console": "error",
        "no-labels": "error",
        "max-classes-per-file": "error",
        "eqeqeq": "error",
        "curly": "error",
        "default-case-last": "error",
        "block-scoped-var": "error",
        "no-new": "error",
        "no-multi-str": "error",
        "no-multi-spaces": ["error", { "ignoreEOLComments": true }],
        "no-new-wrappers": "error",
        "no-sequences": "error",
        "no-self-compare": "error",
        "no-multi-assign": "error",
        "no-whitespace-before-property": "error",
        "no-magic-numbers": [
            "off",
            { "ignoreArrayIndexes": true }
        ],
        "no-unused-vars": ["error", { "args": "none" }],
        "semi": [
            "error",
            "always"
        ],
        "quotes": [
            "error",
            "double"
        ],
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1
            }
        ],
        "brace-style": [
            "error",
            "1tbs"
        ],
        "no-trailing-spaces": ["error", { "ignoreComments": true }],
        "keyword-spacing": "error",
        "eol-last": ["error", "always"],
        "jsdoc/check-alignment": "error",
        "jsdoc/check-param-names": "error",
        "jsdoc/check-tag-names": "error",
        "jsdoc/check-types": "error",
        "jsdoc/implements-on-classes": "error",
        "jsdoc/newline-after-description": "error",
        "jsdoc/no-undefined-types": "error",
        "jsdoc/require-param": "error",
        "jsdoc/require-param-name": "error",
        "jsdoc/require-param-type": "error",
        "jsdoc/require-returns-check": "error",
        "jsdoc/require-returns-type": "error",
        "sort-requires/sort-requires": "warn",
        "operator-linebreak": ["error", "after"],
        "no-unneeded-ternary": ["error", { "defaultAssignment": false }]
    },
    "overrides": [
        {
            "files": ["lib/**/index.js"],
            "rules": {
                "sort-keys-fix/sort-keys-fix": "warn"
            }
        },
        {
            "files": ["index.js", "lib/**/*.js", "util/**/*.js"],
            "parserOptions": {
                "ecmaVersion": 2020
            },
            "extends": [
                "eslint:recommended",
                "plugin:node/recommended"
            ],
            "rules": {
                "no-process-exit": "off",
                "node/no-process-exit": "off"
            }
        }
    ]
}