.eslintrc.js

{
    "parserOptions": { "ecmaVersion": 12 },
    "env": { "es6": true },
    "extends": "eslint:recommended",
    "rules": {
        "no-await-in-loop": ["error"],
        "no-extra-semi": ["error"],
        "complexity": ["error", 30],
        "consistent-return": ["error", { "treatUndefinedAsUnspecified": true }],
        "curly": ["error"],
        "dot-notation": ["error"],
        "eqeqeq": ["error", "smart"],
        "no-empty-function": ["error"],
        "no-eq-null": ["error"],
        "no-implicit-coercion": ["error"],
        "no-multi-spaces": ["error"],
        "no-multi-str": ["error"],
        "no-return-await": ["error"],
        "no-self-compare": ["error"],
        "no-undef": ["off"],
        "no-unused-expressions": ["error"],
        "yoda": ["error"],
        "array-bracket-spacing": ["error", "never"],
        "block-spacing": ["error"],
        "brace-style": ["error"],
        "capitalized-comments": ["error", "always", { "ignoreConsecutiveComments": true }],
        "comma-dangle": ["error", "never"],
        "comma-spacing": ["error", { "before": false, "after": true }],
        "comma-style": ["error", "last"],
        "computed-property-spacing": ["error", "never"],
        "eol-last": ["error", "always"],
        "func-call-spacing": ["error", "never"],
        "function-call-argument-newline": ["error", "consistent"],
        "implicit-arrow-linebreak": ["error", "beside"],
        "indent": ["error", 2],
        "key-spacing": ["error"],
        "keyword-spacing": ["error"],
        "linebreak-style": ["error", "windows"],
        "no-lonely-if": ["error"],
        "no-mixed-spaces-and-tabs": ["error"],
        "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 1 }],
        "no-trailing-spaces": ["error"],
        "no-whitespace-before-property": ["error"],
        "nonblock-statement-body-position": ["error", "beside"],
        "object-curly-newline": ["error", "never"],
        "object-curly-spacing": ["error", "never"],
        "one-var": ["error", "never"],
        "one-var-declaration-per-line": ["error", "initializations"],
        "operator-assignment": ["error", "never"],
        "operator-linebreak": ["error", "before"],
        "padded-blocks": ["error", "never"],
        "quotes": ["error", "double"],
        "quote-props": ["error", "always"],
        "semi": ["error", "never", { "beforeStatementContinuationChars": "never" }],
        "semi-spacing": ["error", {"before": false, "after": true}],
        "semi-style": ["error", "last"],
        "space-before-blocks": ["error"],
        "space-before-function-paren": ["error"],
        "space-in-parens": ["error", "never"],
        "spaced-comment": ["error", "always"],
        "switch-colon-spacing": ["error"],
        "template-tag-spacing": ["error", "always"],
        "arrow-body-style": ["error", "as-needed", { "requireReturnForObjectLiteral": true }],
        "arrow-parens": ["error"],
        "arrow-spacing": ["error"],
        "no-confusing-arrow": ["error"],
        "no-duplicate-imports": ["warn"],
        "no-useless-computed-key": ["error"],
        "object-shorthand": ["error", "never"],
        "prefer-const": ["error"]
    }
}