text: /**
   * lodash 3.0.2 (Custom Build) <https://lodash.com/>
   * Build: `lodash modern modularize exports="npm" -o ./`
   * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
   * Based on Underscore.js 1.8.2 <http://underscorejs.org/LICENSE>
   * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
   * Available under MIT license <https://lodash.com/license>
   */
  var baseCopy = require('lodash._basecopy'),
      keys = require('lodash.keys');
  
  /**
   * The base implementation of `_.assign` without support for argument juggling,
   * multiple sources, and `this` binding `customizer` functions.
   *
   * @private
   * @param {Object} object The destination object.
   * @param {Object} source The source object.
   * @param {Function} [customizer] The function to customize assigning values.
   * @returns {Object} Returns the destination object.
   */
  function baseAssign(object, source, customizer) {
    var props = keys(source);
    if (!customizer) {
      return baseCopy(source, object, props);
    }
    var index = -1,
        length = props.length;
  
    while (++index < length) {
      var key = props[index],
          value = object[key],
          result = customizer(value, source[key], key, object, source);
  
      if ((result === result ? (result !== value) : (value === value)) ||
          (typeof value == 'undefined' && !(key in object))) {
        object[key] = result;
      }
    }
    return object;
  }
  
  module.exports = baseAssign;
  