lodash/internal/baseBindAll.js

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

  /** Used to compose bitmasks for wrapper metadata. */
  var BIND_FLAG = 1;

  /**
   * The base implementation of `_.bindAll` without support for individual
   * method name arguments.
   *
   * @private
   * @param {Object} object The object to bind and assign the bound methods to.
   * @param {string[]} methodNames The object method names to bind.
   * @returns {Object} Returns `object`.
   */
  function baseBindAll(object, methodNames) {
    var index = -1,
        length = methodNames.length;

    while (++index < length) {
      var key = methodNames[index];
      object[key] = createWrapper(object[key], BIND_FLAG, object);
    }
    return object;
  }

  return baseBindAll;
});