.eslintrc.json

{
  "extends": "eslint:recommended",
  "env": {
    "node": true,
	"es6": true
  },
  "parserOptions": {
    "ecmaVersion": 2017
  },
  "rules": {
    "semi": ["error", "always"],
    "strict": ["error", "function"],
    "no-unused-vars": "error",
    "indent": ["error", "tab", {"MemberExpression": "off"} ],
    "no-const-assign": "error",
    "one-var": "error",
    "prefer-const": "error",
    "no-var": "error",
    "prefer-arrow-callback": "error",
    "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }],
    "quotes": ["error", "single", {"avoidEscape": true, "allowTemplateLiterals": true}],
    "no-underscore-dangle": "off",
	"no-use-before-define": ["error"],
	"require-await": ["error"],
	"eqeqeq": ["error"],
	"comma-spacing": ["error", { "before": false, "after": true }],
	"key-spacing": ["error", { "afterColon": true, "beforeColon": false }]
  }
}