.eslintrc.json

{
  "extends": [
    "eslint:recommended"
  ],
  "plugins": [
  ],
  "parserOptions": {
    "ecmaVersion": 6,
    "ecmaFeatures": {
      "destructuring": true,
      "spread": true,
      "jsx": true
    },
    "sourceType": "module"
  },
  "env": {
    "browser": true,
    "node": true,
    "jasmine": true
  },
  "globals": {
    "Promise": false
  },
  "rules": {
    "prefer-spread": "error",
    "semi": "error",
    "eqeqeq": "error",
    "no-extra-semi": "error",
    "semi-spacing": "error",
    "max-len": "error",
    "no-tabs": "error",
    "no-multi-spaces": "error",
    "no-var": "error",
    "prefer-const": "error",
    "prefer-arrow-callback": "error",
    "array-bracket-spacing": [
      "error",
      "always"
    ],
    "block-spacing": [
      "error",
      "always"
    ],
    "comma-spacing": "error",
    "eol-last": "error",
    "global-require": "error",
    "no-mixed-requires": "error",
    "comma-dangle": [
      "error",
      "always"
    ],
    "no-console": "error",
    "key-spacing": "error",
    "object-property-newline": "error",
    "brace-style": "error",
    "guard-for-in": "error",
    "arrow-parens": "error",
    "arrow-spacing": "error",
    "camelcase": [ "error", { "properties": "never" } ],
    "curly": [
      "error",
      "all"
    ],
    "space-infix-ops": "error",
    "keyword-spacing": "error"
  }
}