.eslintrc.js

module.exports = {
  root: true,
  extends: "airbnb-base",
  env: {
    node: true,
    es6: true,
    mocha: true
  },
  "parserOptions": {
    "sourceType": "module",
  },
  rules: {
    "one-var": 0,
    "one-var-declaration-per-line": 0,
    "new-cap": 0,
    "consistent-return": 0,
    "no-param-reassign": 0,
    "comma-dangle": 0,
    curly: ["error", "multi-line"],
    "import/no-unresolved": [2, { commonjs: true }],
    "no-shadow": ["error", { allow: ["req", "res", "err"] }],
    "valid-jsdoc": [
      "error",
      {
        requireReturn: true,
        requireReturnType: true,
        requireParamDescription: false,
        requireReturnDescription: true
      }
    ],
    "require-jsdoc": [
      "error",
      {
        require: {
          FunctionDeclaration: true,
          MethodDefinition: true,
          ClassDeclaration: true
        }
      }
    ]
  }
};