.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "shared-node-browser": true,
    "es6": true,
    "node": true,
    "mocha": true,
    "mongo": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 7,
    "impliedStrict": true
  },
  "globals": {
    "angular": true
  },
  "rules": {
    "camelcase": "error",
    "new-cap": "error",
    "eqeqeq": "off",
    "no-multi-str": "off",
    "require-yield": "off",
    "yield-star-spacing": ["error", { "before": false, "after": true }],
    "no-loop-func": "error",
    "no-console": "off",
    "max-len": ["error", 80, 4, { "ignoreUrls": true }],
    "no-undef": "error",
    "no-unexpected-multiline": "error",
    "semi": ["error", "always"],
    "no-spaced-func": "error",
    "space-unary-ops": [2, { "words": true, "nonwords": false }],
    "quotes": [
      "error",
      "single", {
        "avoidEscape": true,
        "allowTemplateLiterals": true
      }
    ]
  }
}