function addCallbacks()

in build/userale-2.3.0.js [436:454]

• 19 lines of code
• 3 McCabe index (conditional complexity)

  function addCallbacks() {
    for (var _len = arguments.length, newCallbacks = new Array(_len), _key = 0; _key < _len; _key++) {
      newCallbacks[_key] = arguments[_key];
    }
    newCallbacks.forEach(function (source) {
      var descriptors = Object.keys(source).reduce(function (descriptors, key) {
        descriptors[key] = Object.getOwnPropertyDescriptor(source, key);
        return descriptors;
      }, {});
      Object.getOwnPropertySymbols(source).forEach(function (sym) {
        var descriptor = Object.getOwnPropertyDescriptor(source, sym);
        if (descriptor.enumerable) {
          descriptors[sym] = descriptor;
        }
      });
      Object.defineProperties(cbHandlers, descriptors);
    });
    return cbHandlers;
  }