ES lint file according to google's javascript standerd

.eslintrc

{
  "env": {
    "node": true
  },

  "parserOptions": {
    "ecmaVersion": 8
  },

  "globals": {
    "Promise": true
  },

  "rules": {
    "callback-return": [
      "error",
      ["done", "proceed", "next", "onwards", "callback", "cb"]
    ],
    "camelcase": ["warn", { "properties": "always" }],
    "comma-style": ["warn", "last"],
    "curly": ["error"],
    "eqeqeq": ["error", "always"],
    "eol-last": ["warn"],
    "handle-callback-err": ["error"],
    "indent": [
      "warn",
      2,
      {
        "SwitchCase": 1,
        "MemberExpression": "off",
        "FunctionDeclaration": { "body": 1, "parameters": "off" },
        "FunctionExpression": { "body": 1, "parameters": "off" },
        "CallExpression": { "arguments": "off" },
        "ArrayExpression": 1,
        "ObjectExpression": 1,
        "ignoredNodes": ["ConditionalExpression"]
      }
    ],
    "linebreak-style": ["error", "unix"],
    "no-dupe-keys": ["error"],
    "no-duplicate-case": ["error"],
    "no-extra-semi": ["warn"],
    "no-labels": ["error"],
    "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
    "no-redeclare": ["warn"],
    "no-return-assign": ["error", "always"],
    "no-sequences": ["error"],
    "no-trailing-spaces": ["warn"],
    "no-undef": ["error"],
    "no-unexpected-multiline": ["warn"],
    "no-unreachable": ["warn"],
    "no-unused-vars": [
      "warn",
      {
        "caughtErrors": "all",
        "caughtErrorsIgnorePattern": "^unused($|[A-Z].*$)",
        "argsIgnorePattern": "^unused($|[A-Z].*$)",
        "varsIgnorePattern": "^unused($|[A-Z].*$)"
      }
    ],
    "no-use-before-define": ["error", { "functions": false }],
    "one-var": ["warn", "never"],
    "quotes": [
      "warn",
      "single",
      { "avoidEscape": false, "allowTemplateLiterals": true }
    ],
    "semi": ["error", "always"],
    "semi-spacing": ["warn", { "before": false, "after": true }],
    "semi-style": ["warn", "last"]
  }
}