.eslintrc

{
    "extends": "google",
    "parserOptions": {
      "ecmaVersion": 2018,
    },
    "plugins": ["html"],
    "rules": {
      "accessor-pairs": "off",
      "array-bracket-spacing": ["error", "never"],
      "array-callback-return": "off",
      "arrow-body-style": ["error", "as-needed", {
        "requireReturnForObjectLiteral": true
      }],
      "arrow-parens": "off",
      "block-scoped-var": "off",
      "brace-style": ["error", "1tbs", {
        "allowSingleLine": true
      }],
      "camelcase": "off",
      "catapult-camelcase": ["error", {
        "properties": "never"
      }],
      "comma-dangle": "off",
      "comma-spacing": "error",
      "comma-style": "error",
      "computed-property-spacing": "error",
      "consistent-this": ["error", "void"],
      "constructor-super": "error",
      "curly": ["error", "multi-line", "consistent"],
      "default-case": "off",
      "dot-location": "off",
      "dot-notation": "error",
      "eol-last": "error",
      "eqeqeq": "error",
      "generator-star-spacing": ["error", "after"],
      "guard-for-in": "off",
      "handle-callback-err": "off",
      "indent": ["error", 2, {
        "CallExpression": {"arguments": 2},
        "FunctionDeclaration": {"parameters": 2},
        "FunctionExpression": {"parameters": 2},
        "MemberExpression": 2,
        "SwitchCase": 1,
        "VariableDeclarator": 2,
      }],
      "key-spacing": "error",
      "keyword-spacing": "error",
      "linebreak-style": "error",
      "max-len": ["error", {
        "ignorePattern": "((// @suppress longLineCheck)|:)$",
        "ignoreUrls": true
      }],
      "max-nested-callbacks": "off",
      "max-statements-per-line": "off",
      "new-cap": "off",
      "new-parens": "off",
      "no-alert": "off",
      "no-array-constructor": "error",
      "no-caller": "error",
      "no-cond-assign": "off",
      "no-confusing-arrow": ["error", {
        "allowParens": true
      }],
      "no-console": "error",
      "no-constant-condition": "off",
      "no-control-regex": "off",
      "no-dupe-keys": "off",
      "no-else-return": "error",
      "no-eq-null": "off",
      "no-extend-native": "error",
      "no-extra-bind": "off",
      "no-extra-boolean-cast": "off",
      "no-extra-semi": "error",
      "no-floating-decimal": "off",
      "no-func-assign": "off",
      "no-implicit-coercion": "off",
      "no-irregular-whitespace": "error",
      "no-inner-declarations": "off",
      "no-lonely-if": "off",
      "no-loop-func": "off",
      "no-mixed-spaces-and-tabs": "error",
      "no-multi-spaces": ["error", {
        "ignoreEOLComments": true,
      }],
      "no-multi-str": "error",
      "no-multiple-empty-lines": ["error", {max: 2}],
      "no-negated-condition": "off",
      "no-new": "off",
      "no-new-func": "off",
      "no-new-object": "error",
      "no-new-symbol": "error",
      "no-new-wrappers": "error",
      "no-proto": "off",
      "no-redeclare": "off",
      "no-regex-spaces": "off",
      "no-restricted-globals": "off",
      "no-return-assign": "off",
      "no-sequences": "off",
      "no-spaced-func": "off",
      "no-this-before-super": "error",
      "no-throw-literal": "error",
      "no-trailing-spaces": "error",
      "no-undef": "off",
      "no-undef-init": "off",
      "no-unexpected-multiline": "error",
      "no-unneeded-ternary": "off",
      "no-unreachable": "error",
      "no-unused-expressions": "off",
      "no-unused-vars": "off",
      "no-use-before-define": "off",
      "no-useless-call": "off",
      "no-useless-concat": "off",
      "no-useless-escape": "off",
      "no-var": "error",
      "prefer-const": "error",
      "no-warning-comments": "off",
      "no-whitespace-before-property": "off",
      "no-with": "error",
      "object-curly-spacing": "off",
      "object-shorthand": ["error", "always"],
      "one-var": ["error", {
        var: "never",
        let: "never",
        const: "never",
      }],
      "one-var-declaration-per-line": "off",
      "operator-assignment": "off",
      "padded-blocks": ["error", "never"],
      "quote-props": ["error", "consistent"],
      "quotes": ["error", "single", {"allowTemplateLiterals": true}],
      "radix": "off",
      "require-jsdoc": "off",
      "semi": "error",
      "semi-spacing": "error",
      "rest-spread-spacing": "error",
      "space-before-blocks": "error",
      "space-before-function-paren": ["error", "never"],
      "space-unary-ops": "off",
      "spaced-comment": ["error", "always", {
        "line": {
          "exceptions": ["/"],
        },
      }],
      "valid-jsdoc": "off",
      "wrap-iife": "off",
      "yield-star-spacing": ["error", "after"],
      "yoda": "off"
    }
}