.eslintrc.json

{
    "extends": "eslint:recommended",
    "root": true,
    "env": {
        "node": true
    },
    "globals": {
        "Map": true,
        "Promise": true,
        "fetch": true
    },
    "parserOptions": {
        "ecmaVersion": 13,
        "sourceType": "module"
    },
    "plugins": [ "node" ],
    "rules": {
        "no-console": 0,
        "arrow-parens": [ "error", "always" ],
        "no-var": "error",
        "prefer-const": "error",
        "array-bracket-spacing": [ "error", "never" ],
        "comma-dangle": [ "error", "never" ],
        "computed-property-spacing": [ "error", "never" ],
        "eol-last": "error",
        "eqeqeq": [ "error", "smart" ],
        "indent": [ "error", 4, { "SwitchCase": 1 } ],
        "no-confusing-arrow": [ "error", { "allowParens": false } ],
        "no-extend-native": "error",
        "no-mixed-spaces-and-tabs": "error",
        "func-call-spacing": [ "error", "never" ],
        "no-trailing-spaces": "error",
        "no-unused-vars": "error",
        "no-use-before-define": [ "error", "nofunc" ],
        "object-curly-spacing": [ "error", "always" ],
        "prefer-arrow-callback": "error",
        "quotes": [ "error", "single", "avoid-escape" ],
        "semi": [ "error", "always" ],
        "space-infix-ops": "error",
        "spaced-comment": [ "error", "always" ],
        "keyword-spacing": [ "error", { "before": true, "after": true } ],
        "template-curly-spacing": [ "error", "never" ],
        "semi-spacing": "error",
        "strict": "error",
        "node/no-missing-require": "error",
        "valid-jsdoc": ["error", {
            "requireParamDescription": false,
            "requireReturnDescription": false,
            "requireReturnType": false,
            "requireReturn": false
        }]
    }
}