.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es2021": true,
        "node": true
    },
    "extends": [
        "airbnb-base"
    ],
    "parserOptions": {
        "ecmaVersion": 13
    },
    "ignorePatterns": ["cjs"],
    "rules": {
        "import/extensions": ["error", "always"],
        "semi": ["error", "never"],
        "indent": ["error", 4],
        "curly": ["error", "all"],
        "padding-line-between-statements": [
            "error",
            { "blankLine": "always", "prev": "*", "next": "block-like" },
            { "blankLine": "always", "prev": "block-like", "next": "*" },
            { "blankLine": "any",    "prev": ["const", "let", "var"], "next": "block-like"}
        ],
        "no-negated-condition": "error",
        "no-else-return": "error",
        "no-underscore-dangle": "off",
        "object-curly-spacing": "off",
        "no-bitwise": "off",
        "comma-dangle": "off",
        "arrow-body-style": "off",
        "class-methods-use-this": "off",
        "prefer-template": "off",
        "arrow-parens": "off",
        "no-restricted-syntax": "off",
        "quote-props": "off",
        "no-prototype-builtins": "off",
        "import/order": "off",
        "no-plusplus": "off",
        "yoda": "off",
        "no-unused-vars": ["error", { "varsIgnorePattern": "^_.*$", "argsIgnorePattern": "^_.*$" }]
    }
}