.eslintrc

{
  "parserOptions" : {
      "ecmaVersion" : 6,
      "sourceType" : "module"
  },
  "rules" : {
      "semi" : "error",
      "indent" : ["error", 4],
      "no-mixed-spaces-and-tabs" : "error",
      "max-len" : ["error", { "code" : 120 }],
      "eol-last" : "error",
      "no-unused-vars" : ["error", {
          "vars" : "all",
          "args" : "none"
      }],
      "key-spacing" : ["error", {
          "beforeColon" : false,
          "afterColon" : true,
          "mode" : "strict"
      }],
      "object-curly-spacing" : ["error", "always"],
      "keyword-spacing" : ["error", {
          "before" : true,
          "after" : true,
          "overrides" : {
              "if" : { "after" : false },
              "for" : { "after" : false },
              "while" : { "after" : false },
              "switch" : { "after" : false },
              "catch" : { "after" : false }
          }
      }],
      "array-bracket-spacing" : ["error", "never"],
      "func-call-spacing" : "error",
      "space-before-blocks" : ["error", "always"],
      "quotes" : ["error", "single", { "avoidEscape" : true }],
      "camelcase" : ["error", { "properties" : "never" }],
      "no-trailing-spaces" : "error",
      "comma-dangle" : ["error", "never"]
  }
}