lodash/internal/createBindWrapper.js

define(['./createCtorWrapper'], function(createCtorWrapper) {

  /**
   * Creates a function that wraps `func` and invokes it with the `this`
   * binding of `thisArg`.
   *
   * @private
   * @param {Function} func The function to bind.
   * @param {*} [thisArg] The `this` binding of `func`.
   * @returns {Function} Returns the new bound function.
   */
  function createBindWrapper(func, thisArg) {
    var Ctor = createCtorWrapper(func);

    function wrapper() {
      return (this instanceof wrapper ? Ctor : func).apply(thisArg, arguments);
    }
    return wrapper;
  }

  return createBindWrapper;
});