umd/fieldstack.js
/**
   * Entity instances are immutable. If you need to update the data for an
   * instance, this method will merge your data updates and return a new
   * instance.
   */
Entity instances are immutable. If you need to update the data for an
instance, this method will merge your data updates and return a new
instance.
Entity instances are immutable . If you need to update the data for an instance this method will merge your data updates and return a new instance .
function __mergeData(key, toMerge) {
    var instance = DraftEntity.__get(key);
    var newData = _extends$2({}, instance.getData(), toMerge);
    var newInstance = instance.set('data', newData);
    instances = instances.set(key, newInstance);
    return newInstance;
  }
function __mergeData ( key , toMerge ) { var instance = DraftEntity . __get ( key ) ; var newData = _extends$2 ( { } , instance . getData ( ) , toMerge ) ; var newInstance = instance . set ( 'data' , newData ) ; instances = instances . set ( key , newInstance ) ; return newInstance ; }
Entity instances are immutable.
Entity instances are immutable .