notifyjs/jspm_packages/npm/systemjs-plugin-babel@0.0.9/babel-helpers/possibleConstructorReturn.js

A handy wrapper for the Web Notifications API

export default (function (self, call) {
  if (!self) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return call && (typeof call === "object" || typeof call === "function") ? call : self;
})