.eslintrc

{
  "env": {
    "node": true,
      "es6": true
  },
    "parserOptions": {
      "ecmaVersion": 2017
    },
    "plugins": [
      "eslint-plugin-google-camelcase"
    ],
    "rules": {
      "array-bracket-spacing": [2, "never"],
      "arrow-parens": [2, "as-needed"],
      "arrow-spacing": 2,
      "comma-dangle": [2, "always-multiline"],
      "computed-property-spacing": [2, "never"],
      "curly": 2,
      "dot-location": [2, "property"],
      "eol-last": 2,
      "google-camelcase/google-camelcase": 2,
      "indent": [2, 2, { "SwitchCase": 1, "VariableDeclarator": 2, "MemberExpression": 2, "ObjectExpression": 1, "CallExpression": { "arguments": 2 } }],
      "key-spacing": 2,
      "max-len": [2, 80, 4, {
        "ignoreTrailingComments": true,
        "ignoreRegExpLiterals": true,
        "ignorePattern": "^import.*';|}\\ from.*;|.*require\\(.*;$|@typedef|@param|@return|@private|@const|@type|@implements",
        "ignoreUrls": true
      }],
      "no-alert": 2,
      "no-cond-assign": 2,
      "no-debugger": 2,
      "no-div-regex": 2,
      "no-dupe-keys": 2,
      "no-eval": 2,
      "no-extend-native": 2,
      "no-extra-bind": 2,
      "no-extra-semi": 2,
      "no-implicit-coercion": [2, { "boolean": false }],
      "no-implied-eval": 2,
      "no-iterator": 2,
      "no-lone-blocks": 2,
      "no-multi-spaces": 2,
      "no-native-reassign": 2,
      "no-redeclare": 2,
      "no-script-url": 2,
      "no-self-compare": 2,
      "no-sequences": 2,
      "no-spaced-func": 2,
      "no-throw-literal": 2,
      "no-trailing-spaces": 2,
      "no-unused-expressions": 0,
      "no-unused-vars": [2, {
        "argsIgnorePattern": "^var_|opt_|unused",
        "varsIgnorePattern": "AmpElement|Def|Interface$"
      }],
      "no-useless-call": 2,
      "no-useless-concat": 2,
      "no-undef": 2,
      "no-var": 2,
      "no-warning-comments": [2, { "terms": ["do not submit"], "location": "anywhere" }],
      "object-curly-spacing": [2, "never", {
        "objectsInObjects": false,
        "arraysInObjects": false
      }],
      "object-shorthand": [2, "properties", { "avoidQuotes": true }],
      "prefer-const": 2,
      "quotes": [2, "single", "avoid-escape"],
      "radix": 2,
      "semi": 2,
      "keyword-spacing": [2, { "before": true, "after": true }],
      "space-before-blocks": 2,
      "space-before-function-paren": [2, "never"],
      "space-in-parens": 2,
      "space-infix-ops": 2,
      "space-unary-ops": [1, { "words": true, "nonwords": false }],
      "wrap-iife": [2, "any"]
    }
}