text: /**
  * @license Angular v10.1.0-next.6+7.sha-aaa1d8e
  * (c) 2010-2020 Google LLC. https://angular.io/
  * License: MIT
  */
  (function (factory) {
      typeof define === 'function' && define.amd ? define(factory) :
      factory();
  }((function () { 'use strict';
  
      /**
       * @license
       * Copyright Google LLC All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      /**
       * @fileoverview
       * @suppress {missingRequire}
       */
      (function (global) {
          // Detect and setup WTF.
          let wtfTrace = null;
          let wtfEvents = null;
          const wtfEnabled = (function () {
              const wtf = global['wtf'];
              if (wtf) {
                  wtfTrace = wtf.trace;
                  if (wtfTrace) {
                      wtfEvents = wtfTrace.events;
                      return true;
                  }
              }
              return false;
          })();
          class WtfZoneSpec {
              constructor() {
                  this.name = 'WTF';
              }
              onFork(parentZoneDelegate, currentZone, targetZone, zoneSpec) {
                  const retValue = parentZoneDelegate.fork(targetZone, zoneSpec);
                  WtfZoneSpec.forkInstance(zonePathName(targetZone), retValue.name);
                  return retValue;
              }
              onInvoke(parentZoneDelegate, currentZone, targetZone, delegate, applyThis, applyArgs, source) {
                  const src = source || 'unknown';
                  let scope = WtfZoneSpec.invokeScope[src];
                  if (!scope) {
                      scope = WtfZoneSpec.invokeScope[src] =
                          wtfEvents.createScope(`Zone:invoke:${source}(ascii zone)`);
                  }
                  return wtfTrace.leaveScope(scope(zonePathName(targetZone)), parentZoneDelegate.invoke(targetZone, delegate, applyThis, applyArgs, source));
              }
              onHandleError(parentZoneDelegate, currentZone, targetZone, error) {
                  return parentZoneDelegate.handleError(targetZone, error);
              }
              onScheduleTask(parentZoneDelegate, currentZone, targetZone, task) {
                  const key = task.type + ':' + task.source;
                  let instance = WtfZoneSpec.scheduleInstance[key];
                  if (!instance) {
                      instance = WtfZoneSpec.scheduleInstance[key] =
                          wtfEvents.createInstance(`Zone:schedule:${key}(ascii zone, any data)`);
                  }
                  const retValue = parentZoneDelegate.scheduleTask(targetZone, task);
                  instance(zonePathName(targetZone), shallowObj(task.data, 2));
                  return retValue;
              }
              onInvokeTask(parentZoneDelegate, currentZone, targetZone, task, applyThis, applyArgs) {
                  const source = task.source;
                  let scope = WtfZoneSpec.invokeTaskScope[source];
                  if (!scope) {
                      scope = WtfZoneSpec.invokeTaskScope[source] =
                          wtfEvents.createScope(`Zone:invokeTask:${source}(ascii zone)`);
                  }
                  return wtfTrace.leaveScope(scope(zonePathName(targetZone)), parentZoneDelegate.invokeTask(targetZone, task, applyThis, applyArgs));
              }
              onCancelTask(parentZoneDelegate, currentZone, targetZone, task) {
                  const key = task.source;
                  let instance = WtfZoneSpec.cancelInstance[key];
                  if (!instance) {
                      instance = WtfZoneSpec.cancelInstance[key] =
                          wtfEvents.createInstance(`Zone:cancel:${key}(ascii zone, any options)`);
                  }
                  const retValue = parentZoneDelegate.cancelTask(targetZone, task);
                  instance(zonePathName(targetZone), shallowObj(task.data, 2));
                  return retValue;
              }
          }
          WtfZoneSpec.forkInstance = wtfEnabled ? wtfEvents.createInstance('Zone:fork(ascii zone, ascii newZone)') : null;
          WtfZoneSpec.scheduleInstance = {};
          WtfZoneSpec.cancelInstance = {};
          WtfZoneSpec.invokeScope = {};
          WtfZoneSpec.invokeTaskScope = {};
          function shallowObj(obj, depth) {
              if (!obj || !depth)
                  return null;
              const out = {};
              for (const key in obj) {
                  if (obj.hasOwnProperty(key)) {
                      // explicit : any due to https://github.com/microsoft/TypeScript/issues/33191
                      let value = obj[key];
                      switch (typeof value) {
                          case 'object':
                              const name = value && value.constructor && value.constructor.name;
                              value = name == Object.name ? shallowObj(value, depth - 1) : name;
                              break;
                          case 'function':
                              value = value.name || undefined;
                              break;
                      }
                      out[key] = value;
                  }
              }
              return out;
          }
          function zonePathName(zone) {
              let name = zone.name;
              let localZone = zone.parent;
              while (localZone != null) {
                  name = localZone.name + '::' + name;
                  localZone = localZone.parent;
              }
              return name;
          }
          Zone['wtfZoneSpec'] = !wtfEnabled ? null : new WtfZoneSpec();
      })(typeof window === 'object' && window || typeof self === 'object' && self || global);
  
  })));
  