text: /**
   * @license Angular v10.2.4
   * (c) 2010-2020 Google LLC. https://angular.io/
   * License: MIT
   */
  
  import { ViewEncapsulation, Injectable, RendererFactory2, Inject, NgZone, InjectionToken, NgModule } from '@angular/core';
  import { ɵDomRendererFactory2, BrowserModule } from '@angular/platform-browser';
  import { AnimationBuilder, sequence, AnimationFactory } from '@angular/animations';
  import { ɵAnimationEngine, AnimationDriver, ɵAnimationStyleNormalizer, ɵsupportsWebAnimations, ɵWebAnimationsDriver, ɵCssKeyframesDriver, ɵWebAnimationsStyleNormalizer, ɵNoopAnimationDriver } from '@angular/animations/browser';
  import { DOCUMENT } from '@angular/common';
  
  /**
   * @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
   */
  class BrowserAnimationBuilder extends AnimationBuilder {
      constructor(rootRenderer, doc) {
          super();
          this._nextAnimationId = 0;
          const typeData = { id: '0', encapsulation: ViewEncapsulation.None, styles: [], data: { animation: [] } };
          this._renderer = rootRenderer.createRenderer(doc.body, typeData);
      }
      build(animation) {
          const id = this._nextAnimationId.toString();
          this._nextAnimationId++;
          const entry = Array.isArray(animation) ? sequence(animation) : animation;
          issueAnimationCommand(this._renderer, null, id, 'register', [entry]);
          return new BrowserAnimationFactory(id, this._renderer);
      }
  }
  BrowserAnimationBuilder.decorators = [
      { type: Injectable }
  ];
  BrowserAnimationBuilder.ctorParameters = () => [
      { type: RendererFactory2 },
      { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
  ];
  class BrowserAnimationFactory extends AnimationFactory {
      constructor(_id, _renderer) {
          super();
          this._id = _id;
          this._renderer = _renderer;
      }
      create(element, options) {
          return new RendererAnimationPlayer(this._id, element, options || {}, this._renderer);
      }
  }
  class RendererAnimationPlayer {
      constructor(id, element, options, _renderer) {
          this.id = id;
          this.element = element;
          this._renderer = _renderer;
          this.parentPlayer = null;
          this._started = false;
          this.totalTime = 0;
          this._command('create', options);
      }
      _listen(eventName, callback) {
          return this._renderer.listen(this.element, `@@${this.id}:${eventName}`, callback);
      }
      _command(command, ...args) {
          return issueAnimationCommand(this._renderer, this.element, this.id, command, args);
      }
      onDone(fn) {
          this._listen('done', fn);
      }
      onStart(fn) {
          this._listen('start', fn);
      }
      onDestroy(fn) {
          this._listen('destroy', fn);
      }
      init() {
          this._command('init');
      }
      hasStarted() {
          return this._started;
      }
      play() {
          this._command('play');
          this._started = true;
      }
      pause() {
          this._command('pause');
      }
      restart() {
          this._command('restart');
      }
      finish() {
          this._command('finish');
      }
      destroy() {
          this._command('destroy');
      }
      reset() {
          this._command('reset');
      }
      setPosition(p) {
          this._command('setPosition', p);
      }
      getPosition() {
          return 0;
      }
  }
  function issueAnimationCommand(renderer, element, id, command, args) {
      return renderer.setProperty(element, `@@${id}:${command}`, args);
  }
  
  const ANIMATION_PREFIX = '@';
  const DISABLE_ANIMATIONS_FLAG = '@.disabled';
  class AnimationRendererFactory {
      constructor(delegate, engine, _zone) {
          this.delegate = delegate;
          this.engine = engine;
          this._zone = _zone;
          this._currentId = 0;
          this._microtaskId = 1;
          this._animationCallbacksBuffer = [];
          this._rendererCache = new Map();
          this._cdRecurDepth = 0;
          this.promise = Promise.resolve(0);
          engine.onRemovalComplete = (element, delegate) => {
              // Note: if an component element has a leave animation, and the component
              // a host leave animation, the view engine will call `removeChild` for the parent
              // component renderer as well as for the child component renderer.
              // Therefore, we need to check if we already removed the element.
              if (delegate && delegate.parentNode(element)) {
                  delegate.removeChild(element.parentNode, element);
              }
          };
      }
      createRenderer(hostElement, type) {
          const EMPTY_NAMESPACE_ID = '';
          // cache the delegates to find out which cached delegate can
          // be used by which cached renderer
          const delegate = this.delegate.createRenderer(hostElement, type);
          if (!hostElement || !type || !type.data || !type.data['animation']) {
              let renderer = this._rendererCache.get(delegate);
              if (!renderer) {
                  renderer = new BaseAnimationRenderer(EMPTY_NAMESPACE_ID, delegate, this.engine);
                  // only cache this result when the base renderer is used
                  this._rendererCache.set(delegate, renderer);
              }
              return renderer;
          }
          const componentId = type.id;
          const namespaceId = type.id + '-' + this._currentId;
          this._currentId++;
          this.engine.register(namespaceId, hostElement);
          const registerTrigger = (trigger) => {
              if (Array.isArray(trigger)) {
                  trigger.forEach(registerTrigger);
              }
              else {
                  this.engine.registerTrigger(componentId, namespaceId, hostElement, trigger.name, trigger);
              }
          };
          const animationTriggers = type.data['animation'];
          animationTriggers.forEach(registerTrigger);
          return new AnimationRenderer(this, namespaceId, delegate, this.engine);
      }
      begin() {
          this._cdRecurDepth++;
          if (this.delegate.begin) {
              this.delegate.begin();
          }
      }
      _scheduleCountTask() {
          // always use promise to schedule microtask instead of use Zone
          this.promise.then(() => {
              this._microtaskId++;
          });
      }
      /** @internal */
      scheduleListenerCallback(count, fn, data) {
          if (count >= 0 && count < this._microtaskId) {
              this._zone.run(() => fn(data));
              return;
          }
          if (this._animationCallbacksBuffer.length == 0) {
              Promise.resolve(null).then(() => {
                  this._zone.run(() => {
                      this._animationCallbacksBuffer.forEach(tuple => {
                          const [fn, data] = tuple;
                          fn(data);
                      });
                      this._animationCallbacksBuffer = [];
                  });
              });
          }
          this._animationCallbacksBuffer.push([fn, data]);
      }
      end() {
          this._cdRecurDepth--;
          // this is to prevent animations from running twice when an inner
          // component does CD when a parent component instead has inserted it
          if (this._cdRecurDepth == 0) {
              this._zone.runOutsideAngular(() => {
                  this._scheduleCountTask();
                  this.engine.flush(this._microtaskId);
              });
          }
          if (this.delegate.end) {
              this.delegate.end();
          }
      }
      whenRenderingDone() {
          return this.engine.whenRenderingDone();
      }
  }
  AnimationRendererFactory.decorators = [
      { type: Injectable }
  ];
  AnimationRendererFactory.ctorParameters = () => [
      { type: RendererFactory2 },
      { type: ɵAnimationEngine },
      { type: NgZone }
  ];
  class BaseAnimationRenderer {
      constructor(namespaceId, delegate, engine) {
          this.namespaceId = namespaceId;
          this.delegate = delegate;
          this.engine = engine;
          this.destroyNode = this.delegate.destroyNode ? (n) => delegate.destroyNode(n) : null;
      }
      get data() {
          return this.delegate.data;
      }
      destroy() {
          this.engine.destroy(this.namespaceId, this.delegate);
          this.delegate.destroy();
      }
      createElement(name, namespace) {
          return this.delegate.createElement(name, namespace);
      }
      createComment(value) {
          return this.delegate.createComment(value);
      }
      createText(value) {
          return this.delegate.createText(value);
      }
      appendChild(parent, newChild) {
          this.delegate.appendChild(parent, newChild);
          this.engine.onInsert(this.namespaceId, newChild, parent, false);
      }
      insertBefore(parent, newChild, refChild) {
          this.delegate.insertBefore(parent, newChild, refChild);
          this.engine.onInsert(this.namespaceId, newChild, parent, true);
      }
      removeChild(parent, oldChild, isHostElement) {
          this.engine.onRemove(this.namespaceId, oldChild, this.delegate, isHostElement);
      }
      selectRootElement(selectorOrNode, preserveContent) {
          return this.delegate.selectRootElement(selectorOrNode, preserveContent);
      }
      parentNode(node) {
          return this.delegate.parentNode(node);
      }
      nextSibling(node) {
          return this.delegate.nextSibling(node);
      }
      setAttribute(el, name, value, namespace) {
          this.delegate.setAttribute(el, name, value, namespace);
      }
      removeAttribute(el, name, namespace) {
          this.delegate.removeAttribute(el, name, namespace);
      }
      addClass(el, name) {
          this.delegate.addClass(el, name);
      }
      removeClass(el, name) {
          this.delegate.removeClass(el, name);
      }
      setStyle(el, style, value, flags) {
          this.delegate.setStyle(el, style, value, flags);
      }
      removeStyle(el, style, flags) {
          this.delegate.removeStyle(el, style, flags);
      }
      setProperty(el, name, value) {
          if (name.charAt(0) == ANIMATION_PREFIX && name == DISABLE_ANIMATIONS_FLAG) {
              this.disableAnimations(el, !!value);
          }
          else {
              this.delegate.setProperty(el, name, value);
          }
      }
      setValue(node, value) {
          this.delegate.setValue(node, value);
      }
      listen(target, eventName, callback) {
          return this.delegate.listen(target, eventName, callback);
      }
      disableAnimations(element, value) {
          this.engine.disableAnimations(element, value);
      }
  }
  class AnimationRenderer extends BaseAnimationRenderer {
      constructor(factory, namespaceId, delegate, engine) {
          super(namespaceId, delegate, engine);
          this.factory = factory;
          this.namespaceId = namespaceId;
      }
      setProperty(el, name, value) {
          if (name.charAt(0) == ANIMATION_PREFIX) {
              if (name.charAt(1) == '.' && name == DISABLE_ANIMATIONS_FLAG) {
                  value = value === undefined ? true : !!value;
                  this.disableAnimations(el, value);
              }
              else {
                  this.engine.process(this.namespaceId, el, name.substr(1), value);
              }
          }
          else {
              this.delegate.setProperty(el, name, value);
          }
      }
      listen(target, eventName, callback) {
          if (eventName.charAt(0) == ANIMATION_PREFIX) {
              const element = resolveElementFromTarget(target);
              let name = eventName.substr(1);
              let phase = '';
              // @listener.phase is for trigger animation callbacks
              // @@listener is for animation builder callbacks
              if (name.charAt(0) != ANIMATION_PREFIX) {
                  [name, phase] = parseTriggerCallbackName(name);
              }
              return this.engine.listen(this.namespaceId, element, name, phase, event => {
                  const countId = event['_data'] || -1;
                  this.factory.scheduleListenerCallback(countId, callback, event);
              });
          }
          return this.delegate.listen(target, eventName, callback);
      }
  }
  function resolveElementFromTarget(target) {
      switch (target) {
          case 'body':
              return document.body;
          case 'document':
              return document;
          case 'window':
              return window;
          default:
              return target;
      }
  }
  function parseTriggerCallbackName(triggerName) {
      const dotIndex = triggerName.indexOf('.');
      const trigger = triggerName.substring(0, dotIndex);
      const phase = triggerName.substr(dotIndex + 1);
      return [trigger, phase];
  }
  
  /**
   * @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
   */
  class InjectableAnimationEngine extends ɵAnimationEngine {
      constructor(doc, driver, normalizer) {
          super(doc.body, driver, normalizer);
      }
  }
  InjectableAnimationEngine.decorators = [
      { type: Injectable }
  ];
  InjectableAnimationEngine.ctorParameters = () => [
      { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
      { type: AnimationDriver },
      { type: ɵAnimationStyleNormalizer }
  ];
  function instantiateSupportedAnimationDriver() {
      return ɵsupportsWebAnimations() ? new ɵWebAnimationsDriver() : new ɵCssKeyframesDriver();
  }
  function instantiateDefaultStyleNormalizer() {
      return new ɵWebAnimationsStyleNormalizer();
  }
  function instantiateRendererFactory(renderer, engine, zone) {
      return new AnimationRendererFactory(renderer, engine, zone);
  }
  /**
   * @publicApi
   */
  const ANIMATION_MODULE_TYPE = new InjectionToken('AnimationModuleType');
  const SHARED_ANIMATION_PROVIDERS = [
      { provide: AnimationBuilder, useClass: BrowserAnimationBuilder },
      { provide: ɵAnimationStyleNormalizer, useFactory: instantiateDefaultStyleNormalizer },
      { provide: ɵAnimationEngine, useClass: InjectableAnimationEngine }, {
          provide: RendererFactory2,
          useFactory: instantiateRendererFactory,
          deps: [ɵDomRendererFactory2, ɵAnimationEngine, NgZone]
      }
  ];
  /**
   * Separate providers from the actual module so that we can do a local modification in Google3 to
   * include them in the BrowserModule.
   */
  const BROWSER_ANIMATIONS_PROVIDERS = [
      { provide: AnimationDriver, useFactory: instantiateSupportedAnimationDriver },
      { provide: ANIMATION_MODULE_TYPE, useValue: 'BrowserAnimations' }, ...SHARED_ANIMATION_PROVIDERS
  ];
  /**
   * Separate providers from the actual module so that we can do a local modification in Google3 to
   * include them in the BrowserTestingModule.
   */
  const BROWSER_NOOP_ANIMATIONS_PROVIDERS = [
      { provide: AnimationDriver, useClass: ɵNoopAnimationDriver },
      { provide: ANIMATION_MODULE_TYPE, useValue: 'NoopAnimations' }, ...SHARED_ANIMATION_PROVIDERS
  ];
  
  /**
   * @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
   */
  /**
   * Exports `BrowserModule` with additional [dependency-injection providers](guide/glossary#provider)
   * for use with animations. See [Animations](guide/animations).
   * @publicApi
   */
  class BrowserAnimationsModule {
  }
  BrowserAnimationsModule.decorators = [
      { type: NgModule, args: [{
                  exports: [BrowserModule],
                  providers: BROWSER_ANIMATIONS_PROVIDERS,
              },] }
  ];
  /**
   * A null player that must be imported to allow disabling of animations.
   * @publicApi
   */
  class NoopAnimationsModule {
  }
  NoopAnimationsModule.decorators = [
      { type: NgModule, args: [{
                  exports: [BrowserModule],
                  providers: BROWSER_NOOP_ANIMATIONS_PROVIDERS,
              },] }
  ];
  
  /**
   * @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
   */
  
  /**
   * @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
   */
  
  /**
   * @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
   */
  
  /**
   * @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
   */
  
  /**
   * Generated bundle index. Do not edit.
   */
  
  export { ANIMATION_MODULE_TYPE, BrowserAnimationsModule, NoopAnimationsModule, AnimationRenderer as ɵAnimationRenderer, AnimationRendererFactory as ɵAnimationRendererFactory, BrowserAnimationBuilder as ɵBrowserAnimationBuilder, BrowserAnimationFactory as ɵBrowserAnimationFactory, InjectableAnimationEngine as ɵInjectableAnimationEngine, instantiateSupportedAnimationDriver as ɵangular_packages_platform_browser_animations_animations_a, instantiateDefaultStyleNormalizer as ɵangular_packages_platform_browser_animations_animations_b, instantiateRendererFactory as ɵangular_packages_platform_browser_animations_animations_c, BROWSER_ANIMATIONS_PROVIDERS as ɵangular_packages_platform_browser_animations_animations_d, BROWSER_NOOP_ANIMATIONS_PROVIDERS as ɵangular_packages_platform_browser_animations_animations_e, BaseAnimationRenderer as ɵangular_packages_platform_browser_animations_animations_f };
  //# sourceMappingURL=animations.js.map
  