(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/overlay'), require('@angular/common'), require('@angular/core'), require('@angular/forms'), require('ng-zorro-antd/core/no-animation'), require('ng-zorro-antd/core/outlet'), require('ng-zorro-antd/input'), require('ng-zorro-antd/core/util'), require('@angular/cdk/keycodes'), require('@angular/cdk/portal'), require('rxjs'), require('rxjs/operators'), require('ng-zorro-antd/core/animation')) :
  typeof define === 'function' && define.amd ? define('ng-zorro-antd/auto-complete', ['exports', '@angular/cdk/overlay', '@angular/common', '@angular/core', '@angular/forms', 'ng-zorro-antd/core/no-animation', 'ng-zorro-antd/core/outlet', 'ng-zorro-antd/input', 'ng-zorro-antd/core/util', '@angular/cdk/keycodes', '@angular/cdk/portal', 'rxjs', 'rxjs/operators', 'ng-zorro-antd/core/animation'], factory) :
  (global = global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd']['auto-complete'] = {}), global.ng.cdk.overlay, global.ng.common, global.ng.core, global.ng.forms, global['ng-zorro-antd'].core['no-animation'], global['ng-zorro-antd'].core.outlet, global['ng-zorro-antd'].input, global['ng-zorro-antd'].core.util, global.ng.cdk.keycodes, global.ng.cdk.portal, global.rxjs, global.rxjs.operators, global['ng-zorro-antd'].core.animation));
}(this, (function (exports, overlay, common, core, forms, noAnimation, outlet, input, util, keycodes, portal, rxjs, operators, animation) { 'use strict';

  /**
   * @fileoverview added by tsickle
   * Generated from: autocomplete-optgroup.component.ts
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var NzAutocompleteOptgroupComponent = /** @class */ (function () {
      function NzAutocompleteOptgroupComponent() {
      }
      return NzAutocompleteOptgroupComponent;
  }());
  NzAutocompleteOptgroupComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-auto-optgroup',
                  exportAs: 'nzAutoOptgroup',
                  preserveWhitespaces: false,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  template: "\n    <div class=\"ant-select-item ant-select-item-group\">\n      <ng-container *nzStringTemplateOutlet=\"nzLabel\">{{ nzLabel }}</ng-container>\n    </div>\n    <ng-content select=\"nz-auto-option\"></ng-content>\n  "
              }] }
  ];
  /** @nocollapse */
  NzAutocompleteOptgroupComponent.ctorParameters = function () { return []; };
  NzAutocompleteOptgroupComponent.propDecorators = {
      nzLabel: [{ type: core.Input }]
  };
  if (false) {
      /** @type {?} */
      NzAutocompleteOptgroupComponent.prototype.nzLabel;
  }

  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation.

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
  REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  PERFORMANCE OF THIS SOFTWARE.
  ***************************************************************************** */
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  /**
   * @fileoverview added by tsickle
   * Generated from: autocomplete-option.component.ts
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var NzOptionSelectionChange = /** @class */ (function () {
      /**
       * @param {?} source
       * @param {?=} isUserInput
       */
      function NzOptionSelectionChange(source, isUserInput) {
          if (isUserInput === void 0) { isUserInput = false; }
          this.source = source;
          this.isUserInput = isUserInput;
      }
      return NzOptionSelectionChange;
  }());
  if (false) {
      /** @type {?} */
      NzOptionSelectionChange.prototype.source;
      /** @type {?} */
      NzOptionSelectionChange.prototype.isUserInput;
  }
  var NzAutocompleteOptionComponent = /** @class */ (function () {
      /**
       * @param {?} changeDetectorRef
       * @param {?} element
       * @param {?} nzAutocompleteOptgroupComponent
       */
      function NzAutocompleteOptionComponent(changeDetectorRef, element, nzAutocompleteOptgroupComponent) {
          this.changeDetectorRef = changeDetectorRef;
          this.element = element;
          this.nzAutocompleteOptgroupComponent = nzAutocompleteOptgroupComponent;
          this.nzDisabled = false;
          this.selectionChange = new core.EventEmitter();
          this.mouseEntered = new core.EventEmitter();
          this.active = false;
          this.selected = false;
      }
      /**
       * @param {?=} emit
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.select = function (emit) {
          if (emit === void 0) { emit = true; }
          this.selected = true;
          this.changeDetectorRef.markForCheck();
          if (emit) {
              this.emitSelectionChangeEvent();
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.onMouseEnter = function () {
          this.mouseEntered.emit(this);
      };
      /**
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.deselect = function () {
          this.selected = false;
          this.changeDetectorRef.markForCheck();
          this.emitSelectionChangeEvent();
      };
      /**
       * Git display label
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.getLabel = function () {
          return this.nzLabel || this.nzValue.toString();
      };
      /**
       * Set active (only styles)
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.setActiveStyles = function () {
          if (!this.active) {
              this.active = true;
              this.changeDetectorRef.markForCheck();
          }
      };
      /**
       * Unset active (only styles)
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.setInactiveStyles = function () {
          if (this.active) {
              this.active = false;
              this.changeDetectorRef.markForCheck();
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.scrollIntoViewIfNeeded = function () {
          util.scrollIntoView(this.element.nativeElement);
      };
      /**
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.selectViaInteraction = function () {
          if (!this.nzDisabled) {
              this.selected = !this.selected;
              if (this.selected) {
                  this.setActiveStyles();
              }
              else {
                  this.setInactiveStyles();
              }
              this.emitSelectionChangeEvent(true);
              this.changeDetectorRef.markForCheck();
          }
      };
      /**
       * @private
       * @param {?=} isUserInput
       * @return {?}
       */
      NzAutocompleteOptionComponent.prototype.emitSelectionChangeEvent = function (isUserInput) {
          if (isUserInput === void 0) { isUserInput = false; }
          this.selectionChange.emit(new NzOptionSelectionChange(this, isUserInput));
      };
      return NzAutocompleteOptionComponent;
  }());
  NzAutocompleteOptionComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-auto-option',
                  exportAs: 'nzAutoOption',
                  preserveWhitespaces: false,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  template: "\n    <div class=\"ant-select-item-option-content\">\n      <ng-content></ng-content>\n    </div>\n  ",
                  host: {
                      role: 'menuitem',
                      class: 'ant-select-item ant-select-item-option',
                      '[class.ant-select-item-option-grouped]': 'nzAutocompleteOptgroupComponent',
                      '[class.ant-select-item-option-selected]': 'selected',
                      '[class.ant-select-item-option-active]': 'active',
                      '[class.ant-select-item-option-disabled]': 'nzDisabled',
                      '[attr.aria-selected]': 'selected.toString()',
                      '[attr.aria-disabled]': 'nzDisabled.toString()',
                      '(click)': 'selectViaInteraction()',
                      '(mouseenter)': 'onMouseEnter()',
                      '(mousedown)': '$event.preventDefault()'
                  }
              }] }
  ];
  /** @nocollapse */
  NzAutocompleteOptionComponent.ctorParameters = function () { return [
      { type: core.ChangeDetectorRef },
      { type: core.ElementRef },
      { type: NzAutocompleteOptgroupComponent, decorators: [{ type: core.Optional }] }
  ]; };
  NzAutocompleteOptionComponent.propDecorators = {
      nzValue: [{ type: core.Input }],
      nzLabel: [{ type: core.Input }],
      nzDisabled: [{ type: core.Input }],
      selectionChange: [{ type: core.Output }],
      mouseEntered: [{ type: core.Output }]
  };
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzAutocompleteOptionComponent.prototype, "nzDisabled", void 0);
  if (false) {
      /** @type {?} */
      NzAutocompleteOptionComponent.ngAcceptInputType_nzDisabled;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.nzValue;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.nzLabel;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.nzDisabled;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.selectionChange;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.mouseEntered;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.active;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.selected;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteOptionComponent.prototype.changeDetectorRef;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteOptionComponent.prototype.element;
      /** @type {?} */
      NzAutocompleteOptionComponent.prototype.nzAutocompleteOptgroupComponent;
  }

  /**
   * @fileoverview added by tsickle
   * Generated from: autocomplete-trigger.directive.ts
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  var NZ_AUTOCOMPLETE_VALUE_ACCESSOR = {
      provide: forms.NG_VALUE_ACCESSOR,
      useExisting: core.forwardRef(( /**
       * @return {?}
       */function () { return NzAutocompleteTriggerDirective; })),
      multi: true
  };
  /**
   * @return {?}
   */
  function getNzAutocompleteMissingPanelError() {
      return Error('Attempting to open an undefined instance of `nz-autocomplete`. ' +
          'Make sure that the id passed to the `nzAutocomplete` is correct and that ' +
          "you're attempting to open it after the ngAfterContentInit hook.");
  }
  var NzAutocompleteTriggerDirective = /** @class */ (function () {
      /**
       * @param {?} elementRef
       * @param {?} overlay
       * @param {?} viewContainerRef
       * @param {?} nzInputGroupWhitSuffixOrPrefixDirective
       * @param {?} document
       */
      function NzAutocompleteTriggerDirective(elementRef, overlay, viewContainerRef, nzInputGroupWhitSuffixOrPrefixDirective, document) {
          this.elementRef = elementRef;
          this.overlay = overlay;
          this.viewContainerRef = viewContainerRef;
          this.nzInputGroupWhitSuffixOrPrefixDirective = nzInputGroupWhitSuffixOrPrefixDirective;
          this.document = document;
          this.onChange = ( /**
           * @return {?}
           */function () { });
          this.onTouched = ( /**
           * @return {?}
           */function () { });
          this.panelOpen = false;
          this.destroy$ = new rxjs.Subject();
          this.overlayRef = null;
          this.portal = null;
          this.previousValue = null;
      }
      Object.defineProperty(NzAutocompleteTriggerDirective.prototype, "activeOption", {
          /**
           * Current active option
           * @return {?}
           */
          get: function () {
              if (this.nzAutocomplete && this.nzAutocomplete.options.length) {
                  return this.nzAutocomplete.activeItem;
              }
          },
          enumerable: false,
          configurable: true
      });
      /**
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.ngOnDestroy = function () {
          this.destroyPanel();
      };
      /**
       * @param {?} value
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.writeValue = function (value) {
          var _this = this;
          Promise.resolve(null).then(( /**
           * @return {?}
           */function () { return _this.setTriggerValue(value); }));
      };
      /**
       * @param {?} fn
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.registerOnChange = function (fn) {
          this.onChange = fn;
      };
      /**
       * @param {?} fn
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.registerOnTouched = function (fn) {
          this.onTouched = fn;
      };
      /**
       * @param {?} isDisabled
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.setDisabledState = function (isDisabled) {
          /** @type {?} */
          var element = this.elementRef.nativeElement;
          element.disabled = isDisabled;
          this.closePanel();
      };
      /**
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.openPanel = function () {
          this.previousValue = this.elementRef.nativeElement.value;
          this.attachOverlay();
          this.updateStatus();
      };
      /**
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.closePanel = function () {
          if (this.panelOpen) {
              this.nzAutocomplete.isOpen = this.panelOpen = false;
              if (this.overlayRef && this.overlayRef.hasAttached()) {
                  this.selectionChangeSubscription.unsubscribe();
                  this.overlayBackdropClickSubscription.unsubscribe();
                  this.optionsChangeSubscription.unsubscribe();
                  this.overlayRef.dispose();
                  this.overlayRef = null;
                  this.portal = null;
              }
          }
      };
      /**
       * @param {?} event
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.handleKeydown = function (event) {
          /** @type {?} */
          var keyCode = event.keyCode;
          /** @type {?} */
          var isArrowKey = keyCode === keycodes.UP_ARROW || keyCode === keycodes.DOWN_ARROW;
          if (keyCode === keycodes.ESCAPE) {
              event.preventDefault();
          }
          if (this.panelOpen && (keyCode === keycodes.ESCAPE || keyCode === keycodes.TAB)) {
              // Reset value when tab / ESC close
              if (this.activeOption && this.activeOption.getLabel() !== this.previousValue) {
                  this.setTriggerValue(this.previousValue);
              }
              this.closePanel();
          }
          else if (this.panelOpen && keyCode === keycodes.ENTER) {
              if (this.nzAutocomplete.showPanel && this.activeOption) {
                  event.preventDefault();
                  this.activeOption.selectViaInteraction();
              }
          }
          else if (this.panelOpen && isArrowKey && this.nzAutocomplete.showPanel) {
              event.stopPropagation();
              event.preventDefault();
              if (keyCode === keycodes.UP_ARROW) {
                  this.nzAutocomplete.setPreviousItemActive();
              }
              else {
                  this.nzAutocomplete.setNextItemActive();
              }
              if (this.activeOption) {
                  this.activeOption.scrollIntoViewIfNeeded();
              }
              this.doBackfill();
          }
      };
      /**
       * @param {?} event
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.handleInput = function (event) {
          /** @type {?} */
          var target = ( /** @type {?} */(event.target));
          /** @type {?} */
          var document = ( /** @type {?} */(this.document));
          /** @type {?} */
          var value = target.value;
          if (target.type === 'number') {
              value = value === '' ? null : parseFloat(value);
          }
          if (this.previousValue !== value) {
              this.previousValue = value;
              this.onChange(value);
              if (this.canOpen() && document.activeElement === event.target) {
                  this.openPanel();
              }
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.handleFocus = function () {
          if (this.canOpen()) {
              this.openPanel();
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.handleBlur = function () {
          this.onTouched();
      };
      /**
       * Subscription data source changes event
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.subscribeOptionsChange = function () {
          var _this = this;
          /** @type {?} */
          var optionChanges = this.nzAutocomplete.options.changes.pipe(operators.tap(( /**
           * @return {?}
           */function () { return _this.positionStrategy.reapplyLastPosition(); })), operators.delay(0));
          return optionChanges.subscribe(( /**
           * @return {?}
           */function () {
              _this.resetActiveItem();
              if (_this.panelOpen) {
                  ( /** @type {?} */(_this.overlayRef)).updatePosition();
              }
          }));
      };
      /**
       * Subscription option changes event and set the value
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.subscribeSelectionChange = function () {
          var _this = this;
          return this.nzAutocomplete.selectionChange.subscribe(( /**
           * @param {?} option
           * @return {?}
           */function (option) {
              _this.setValueAndClose(option);
          }));
      };
      /**
       * Subscription external click and close panel
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.subscribeOverlayBackdropClick = function () {
          var _this = this;
          return rxjs.merge(rxjs.fromEvent(this.document, 'click'), rxjs.fromEvent(this.document, 'touchend')).subscribe(( /**
           * @param {?} event
           * @return {?}
           */function (event) {
              /** @type {?} */
              var clickTarget = ( /** @type {?} */(event.target));
              // Make sure is not self
              if (clickTarget !== _this.elementRef.nativeElement && !( /** @type {?} */(_this.overlayRef)).overlayElement.contains(clickTarget) && _this.panelOpen) {
                  _this.closePanel();
              }
          }));
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.attachOverlay = function () {
          var _this = this;
          if (!this.nzAutocomplete) {
              throw getNzAutocompleteMissingPanelError();
          }
          if (!this.portal && this.nzAutocomplete.template) {
              this.portal = new portal.TemplatePortal(this.nzAutocomplete.template, this.viewContainerRef);
          }
          if (!this.overlayRef) {
              this.overlayRef = this.overlay.create(this.getOverlayConfig());
          }
          if (this.overlayRef && !this.overlayRef.hasAttached()) {
              this.overlayRef.attach(this.portal);
              this.selectionChangeSubscription = this.subscribeSelectionChange();
              this.overlayBackdropClickSubscription = this.subscribeOverlayBackdropClick();
              this.optionsChangeSubscription = this.subscribeOptionsChange();
              this.overlayRef
                  .detachments()
                  .pipe(operators.takeUntil(this.destroy$))
                  .subscribe(( /**
           * @return {?}
           */function () {
                  _this.closePanel();
              }));
          }
          this.nzAutocomplete.isOpen = this.panelOpen = true;
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.updateStatus = function () {
          if (this.overlayRef) {
              this.overlayRef.updateSize({ width: this.nzAutocomplete.nzWidth || this.getHostWidth() });
          }
          this.nzAutocomplete.setVisibility();
          this.resetActiveItem();
          if (this.activeOption) {
              this.activeOption.scrollIntoViewIfNeeded();
          }
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.destroyPanel = function () {
          if (this.overlayRef) {
              this.closePanel();
          }
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.getOverlayConfig = function () {
          return new overlay.OverlayConfig({
              positionStrategy: this.getOverlayPosition(),
              disposeOnNavigation: true,
              scrollStrategy: this.overlay.scrollStrategies.reposition(),
              // default host element width
              width: this.nzAutocomplete.nzWidth || this.getHostWidth()
          });
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.getConnectedElement = function () {
          return this.nzInputGroupWhitSuffixOrPrefixDirective ? this.nzInputGroupWhitSuffixOrPrefixDirective.elementRef : this.elementRef;
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.getHostWidth = function () {
          return this.getConnectedElement().nativeElement.getBoundingClientRect().width;
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.getOverlayPosition = function () {
          /** @type {?} */
          var positions = [
              new overlay.ConnectionPositionPair({ originX: 'start', originY: 'bottom' }, { overlayX: 'start', overlayY: 'top' }),
              new overlay.ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'bottom' })
          ];
          this.positionStrategy = this.overlay
              .position()
              .flexibleConnectedTo(this.getConnectedElement())
              .withFlexibleDimensions(false)
              .withPush(false)
              .withPositions(positions)
              .withTransformOriginOn('.ant-select-dropdown');
          return this.positionStrategy;
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.resetActiveItem = function () {
          /** @type {?} */
          var index = this.nzAutocomplete.getOptionIndex(this.previousValue);
          this.nzAutocomplete.clearSelectedOptions(null, true);
          if (index !== -1) {
              this.nzAutocomplete.setActiveItem(index);
              this.nzAutocomplete.activeItem.select(false);
          }
          else {
              this.nzAutocomplete.setActiveItem(this.nzAutocomplete.nzDefaultActiveFirstOption ? 0 : -1);
          }
      };
      /**
       * @private
       * @param {?} option
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.setValueAndClose = function (option) {
          /** @type {?} */
          var value = option.nzValue;
          this.setTriggerValue(option.getLabel());
          this.onChange(value);
          this.elementRef.nativeElement.focus();
          this.closePanel();
      };
      /**
       * @private
       * @param {?} value
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.setTriggerValue = function (value) {
          /** @type {?} */
          var option = this.nzAutocomplete.getOption(value);
          /** @type {?} */
          var displayValue = option ? option.getLabel() : value;
          this.elementRef.nativeElement.value = displayValue != null ? displayValue : '';
          if (!this.nzAutocomplete.nzBackfill) {
              this.previousValue = displayValue;
          }
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.doBackfill = function () {
          if (this.nzAutocomplete.nzBackfill && this.nzAutocomplete.activeItem) {
              this.setTriggerValue(this.nzAutocomplete.activeItem.getLabel());
          }
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteTriggerDirective.prototype.canOpen = function () {
          /** @type {?} */
          var element = this.elementRef.nativeElement;
          return !element.readOnly && !element.disabled;
      };
      return NzAutocompleteTriggerDirective;
  }());
  NzAutocompleteTriggerDirective.decorators = [
      { type: core.Directive, args: [{
                  selector: "input[nzAutocomplete], textarea[nzAutocomplete]",
                  exportAs: 'nzAutocompleteTrigger',
                  providers: [NZ_AUTOCOMPLETE_VALUE_ACCESSOR],
                  host: {
                      autocomplete: 'off',
                      'aria-autocomplete': 'list',
                      '(focusin)': 'handleFocus()',
                      '(blur)': 'handleBlur()',
                      '(input)': 'handleInput($event)',
                      '(keydown)': 'handleKeydown($event)'
                  }
              },] }
  ];
  /** @nocollapse */
  NzAutocompleteTriggerDirective.ctorParameters = function () { return [
      { type: core.ElementRef },
      { type: overlay.Overlay },
      { type: core.ViewContainerRef },
      { type: input.NzInputGroupWhitSuffixOrPrefixDirective, decorators: [{ type: core.Optional }] },
      { type: undefined, decorators: [{ type: core.Optional }, { type: core.Inject, args: [common.DOCUMENT,] }] }
  ]; };
  NzAutocompleteTriggerDirective.propDecorators = {
      nzAutocomplete: [{ type: core.Input }]
  };
  if (false) {
      /**
       * Bind nzAutocomplete component
       * @type {?}
       */
      NzAutocompleteTriggerDirective.prototype.nzAutocomplete;
      /** @type {?} */
      NzAutocompleteTriggerDirective.prototype.onChange;
      /** @type {?} */
      NzAutocompleteTriggerDirective.prototype.onTouched;
      /** @type {?} */
      NzAutocompleteTriggerDirective.prototype.panelOpen;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.destroy$;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.overlayRef;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.portal;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.positionStrategy;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.previousValue;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.selectionChangeSubscription;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.optionsChangeSubscription;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.overlayBackdropClickSubscription;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.elementRef;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.overlay;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.viewContainerRef;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.nzInputGroupWhitSuffixOrPrefixDirective;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteTriggerDirective.prototype.document;
  }

  /**
   * @record
   */
  function AutocompleteDataSourceItem() { }
  if (false) {
      /** @type {?} */
      AutocompleteDataSourceItem.prototype.value;
      /** @type {?} */
      AutocompleteDataSourceItem.prototype.label;
  }
  var NzAutocompleteComponent = /** @class */ (function () {
      /**
       * @param {?} changeDetectorRef
       * @param {?} ngZone
       * @param {?=} noAnimation
       */
      function NzAutocompleteComponent(changeDetectorRef, ngZone, noAnimation) {
          var _this = this;
          this.changeDetectorRef = changeDetectorRef;
          this.ngZone = ngZone;
          this.noAnimation = noAnimation;
          this.nzOverlayClassName = '';
          this.nzOverlayStyle = {};
          this.nzDefaultActiveFirstOption = true;
          this.nzBackfill = false;
          this.compareWith = ( /**
           * @param {?} o1
           * @param {?} o2
           * @return {?}
           */function (o1, o2) { return o1 === o2; });
          this.selectionChange = new core.EventEmitter();
          this.showPanel = true;
          this.isOpen = false;
          this.activeItemIndex = -1;
          this.selectionChangeSubscription = rxjs.Subscription.EMPTY;
          this.optionMouseEnterSubscription = rxjs.Subscription.EMPTY;
          this.dataSourceChangeSubscription = rxjs.Subscription.EMPTY;
          /**
           * Options changes listener
           */
          this.optionSelectionChanges = rxjs.defer(( /**
           * @return {?}
           */function () {
              if (_this.options) {
                  return rxjs.merge.apply(void 0, __spread(_this.options.map(( /**
                   * @param {?} option
                   * @return {?}
                   */function (/**
                   * @param {?} option
                   * @return {?}
                   */ option) { return option.selectionChange; }))));
              }
              return _this.ngZone.onStable.asObservable().pipe(operators.take(1), operators.switchMap(( /**
               * @return {?}
               */function () { return _this.optionSelectionChanges; })));
          }));
          this.optionMouseEnter = rxjs.defer(( /**
           * @return {?}
           */function () {
              if (_this.options) {
                  return rxjs.merge.apply(void 0, __spread(_this.options.map(( /**
                   * @param {?} option
                   * @return {?}
                   */function (/**
                   * @param {?} option
                   * @return {?}
                   */ option) { return option.mouseEntered; }))));
              }
              return _this.ngZone.onStable.asObservable().pipe(operators.take(1), operators.switchMap(( /**
               * @return {?}
               */function () { return _this.optionMouseEnter; })));
          }));
      }
      Object.defineProperty(NzAutocompleteComponent.prototype, "options", {
          /**
           * Options accessor, its source may be content or dataSource
           * @return {?}
           */
          get: function () {
              // first dataSource
              if (this.nzDataSource) {
                  return this.fromDataSourceOptions;
              }
              else {
                  return this.fromContentOptions;
              }
          },
          enumerable: false,
          configurable: true
      });
      /**
       * @return {?}
       */
      NzAutocompleteComponent.prototype.ngAfterContentInit = function () {
          if (!this.nzDataSource) {
              this.optionsInit();
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteComponent.prototype.ngAfterViewInit = function () {
          if (this.nzDataSource) {
              this.optionsInit();
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteComponent.prototype.ngOnDestroy = function () {
          this.dataSourceChangeSubscription.unsubscribe();
          this.selectionChangeSubscription.unsubscribe();
          this.optionMouseEnterSubscription.unsubscribe();
      };
      /**
       * @return {?}
       */
      NzAutocompleteComponent.prototype.setVisibility = function () {
          this.showPanel = !!this.options.length;
          this.changeDetectorRef.markForCheck();
      };
      /**
       * @param {?} index
       * @return {?}
       */
      NzAutocompleteComponent.prototype.setActiveItem = function (index) {
          /** @type {?} */
          var activeItem = this.options.toArray()[index];
          if (activeItem && !activeItem.active) {
              this.activeItem = activeItem;
              this.activeItemIndex = index;
              this.clearSelectedOptions(this.activeItem);
              this.activeItem.setActiveStyles();
              this.changeDetectorRef.markForCheck();
          }
      };
      /**
       * @return {?}
       */
      NzAutocompleteComponent.prototype.setNextItemActive = function () {
          /** @type {?} */
          var nextIndex = this.activeItemIndex + 1 <= this.options.length - 1 ? this.activeItemIndex + 1 : 0;
          this.setActiveItem(nextIndex);
      };
      /**
       * @return {?}
       */
      NzAutocompleteComponent.prototype.setPreviousItemActive = function () {
          /** @type {?} */
          var previousIndex = this.activeItemIndex - 1 < 0 ? this.options.length - 1 : this.activeItemIndex - 1;
          this.setActiveItem(previousIndex);
      };
      /**
       * @param {?} value
       * @return {?}
       */
      NzAutocompleteComponent.prototype.getOptionIndex = function (value) {
          var _this = this;
          return ( /** @type {?} */(this.options.reduce(( /**
           * @param {?} result
           * @param {?} current
           * @param {?} index
           * @return {?}
           */function (result, current, index) {
              return result === -1 ? (_this.compareWith(value, current.nzValue) ? index : -1) : result;
          }), -1)));
      };
      /**
       * @param {?} value
       * @return {?}
       */
      NzAutocompleteComponent.prototype.getOption = function (value) {
          var _this = this;
          return this.options.find(( /**
           * @param {?} item
           * @return {?}
           */function (/**
           * @param {?} item
           * @return {?}
           */ item) { return _this.compareWith(value, item.nzValue); })) || null;
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteComponent.prototype.optionsInit = function () {
          var _this = this;
          this.setVisibility();
          this.subscribeOptionChanges();
          /** @type {?} */
          var changes = this.nzDataSource ? this.fromDataSourceOptions.changes : this.fromContentOptions.changes;
          // async
          this.dataSourceChangeSubscription = changes.subscribe(( /**
           * @param {?} e
           * @return {?}
           */function (/**
           * @param {?} e
           * @return {?}
           */ e) {
              if (!e.dirty && _this.isOpen) {
                  setTimeout(( /**
                   * @return {?}
                   */function () { return _this.setVisibility(); }));
              }
              _this.subscribeOptionChanges();
          }));
      };
      /**
       * Clear the status of options
       * @param {?=} skip
       * @param {?=} deselect
       * @return {?}
       */
      NzAutocompleteComponent.prototype.clearSelectedOptions = function (skip, deselect) {
          if (deselect === void 0) { deselect = false; }
          this.options.forEach(( /**
           * @param {?} option
           * @return {?}
           */function (/**
           * @param {?} option
           * @return {?}
           */ option) {
              if (option !== skip) {
                  if (deselect) {
                      option.deselect();
                  }
                  option.setInactiveStyles();
              }
          }));
      };
      /**
       * @private
       * @return {?}
       */
      NzAutocompleteComponent.prototype.subscribeOptionChanges = function () {
          var _this = this;
          this.selectionChangeSubscription.unsubscribe();
          this.selectionChangeSubscription = this.optionSelectionChanges
              .pipe(operators.filter(( /**
       * @param {?} event
       * @return {?}
       */function (event) { return event.isUserInput; })))
              .subscribe(( /**
       * @param {?} event
       * @return {?}
       */function (event) {
              event.source.select();
              event.source.setActiveStyles();
              _this.activeItem = event.source;
              _this.activeItemIndex = _this.getOptionIndex(_this.activeItem.nzValue);
              _this.clearSelectedOptions(event.source, true);
              _this.selectionChange.emit(event.source);
          }));
          this.optionMouseEnterSubscription.unsubscribe();
          this.optionMouseEnterSubscription = this.optionMouseEnter.subscribe(( /**
           * @param {?} event
           * @return {?}
           */function (event) {
              event.setActiveStyles();
              _this.activeItem = event;
              _this.activeItemIndex = _this.getOptionIndex(_this.activeItem.nzValue);
              _this.clearSelectedOptions(event);
          }));
      };
      return NzAutocompleteComponent;
  }());
  NzAutocompleteComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-autocomplete',
                  exportAs: 'nzAutocomplete',
                  preserveWhitespaces: false,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  template: "\n    <ng-template>\n      <div\n        #panel\n        class=\"ant-select-dropdown ant-select-dropdown-placement-bottomLeft\"\n        [class.ant-select-dropdown-hidden]=\"!showPanel\"\n        [ngClass]=\"nzOverlayClassName\"\n        [ngStyle]=\"nzOverlayStyle\"\n        [nzNoAnimation]=\"noAnimation?.nzNoAnimation\"\n        [@slideMotion]=\"'enter'\"\n        [@.disabled]=\"noAnimation?.nzNoAnimation\"\n      >\n        <div style=\"max-height: 256px; overflow-y: auto; overflow-anchor: none;\">\n          <div style=\"display: flex; flex-direction: column;\">\n            <ng-template *ngTemplateOutlet=\"nzDataSource ? optionsTemplate : contentTemplate\"></ng-template>\n          </div>\n        </div>\n      </div>\n      <ng-template #contentTemplate>\n        <ng-content></ng-content>\n      </ng-template>\n      <ng-template #optionsTemplate>\n        <nz-auto-option\n          *ngFor=\"let option of nzDataSource!\"\n          [nzValue]=\"option\"\n          [nzLabel]=\"option && $any(option).label ? $any(option).label : $any(option)\"\n        >\n          {{ option && $any(option).label ? $any(option).label : $any(option) }}\n        </nz-auto-option>\n      </ng-template>\n    </ng-template>\n  ",
                  animations: [animation.slideMotion]
              }] }
  ];
  /** @nocollapse */
  NzAutocompleteComponent.ctorParameters = function () { return [
      { type: core.ChangeDetectorRef },
      { type: core.NgZone },
      { type: noAnimation.NzNoAnimationDirective, decorators: [{ type: core.Host }, { type: core.Optional }] }
  ]; };
  NzAutocompleteComponent.propDecorators = {
      nzWidth: [{ type: core.Input }],
      nzOverlayClassName: [{ type: core.Input }],
      nzOverlayStyle: [{ type: core.Input }],
      nzDefaultActiveFirstOption: [{ type: core.Input }],
      nzBackfill: [{ type: core.Input }],
      compareWith: [{ type: core.Input }],
      nzDataSource: [{ type: core.Input }],
      selectionChange: [{ type: core.Output }],
      fromContentOptions: [{ type: core.ContentChildren, args: [NzAutocompleteOptionComponent, { descendants: true },] }],
      fromDataSourceOptions: [{ type: core.ViewChildren, args: [NzAutocompleteOptionComponent,] }],
      template: [{ type: core.ViewChild, args: [core.TemplateRef, { static: false },] }],
      panel: [{ type: core.ViewChild, args: ['panel', { static: false },] }],
      content: [{ type: core.ViewChild, args: ['content', { static: false },] }]
  };
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzAutocompleteComponent.prototype, "nzDefaultActiveFirstOption", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzAutocompleteComponent.prototype, "nzBackfill", void 0);
  if (false) {
      /** @type {?} */
      NzAutocompleteComponent.ngAcceptInputType_nzDefaultActiveFirstOption;
      /** @type {?} */
      NzAutocompleteComponent.ngAcceptInputType_nzBackfill;
      /** @type {?} */
      NzAutocompleteComponent.prototype.nzWidth;
      /** @type {?} */
      NzAutocompleteComponent.prototype.nzOverlayClassName;
      /** @type {?} */
      NzAutocompleteComponent.prototype.nzOverlayStyle;
      /** @type {?} */
      NzAutocompleteComponent.prototype.nzDefaultActiveFirstOption;
      /** @type {?} */
      NzAutocompleteComponent.prototype.nzBackfill;
      /** @type {?} */
      NzAutocompleteComponent.prototype.compareWith;
      /** @type {?} */
      NzAutocompleteComponent.prototype.nzDataSource;
      /** @type {?} */
      NzAutocompleteComponent.prototype.selectionChange;
      /** @type {?} */
      NzAutocompleteComponent.prototype.showPanel;
      /** @type {?} */
      NzAutocompleteComponent.prototype.isOpen;
      /** @type {?} */
      NzAutocompleteComponent.prototype.activeItem;
      /**
       * Provided by content
       * @type {?}
       */
      NzAutocompleteComponent.prototype.fromContentOptions;
      /**
       * Provided by dataSource
       * @type {?}
       */
      NzAutocompleteComponent.prototype.fromDataSourceOptions;
      /**
       * cdk-overlay
       * @type {?}
       */
      NzAutocompleteComponent.prototype.template;
      /** @type {?} */
      NzAutocompleteComponent.prototype.panel;
      /** @type {?} */
      NzAutocompleteComponent.prototype.content;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteComponent.prototype.activeItemIndex;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteComponent.prototype.selectionChangeSubscription;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteComponent.prototype.optionMouseEnterSubscription;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteComponent.prototype.dataSourceChangeSubscription;
      /**
       * Options changes listener
       * @type {?}
       */
      NzAutocompleteComponent.prototype.optionSelectionChanges;
      /** @type {?} */
      NzAutocompleteComponent.prototype.optionMouseEnter;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteComponent.prototype.changeDetectorRef;
      /**
       * @type {?}
       * @private
       */
      NzAutocompleteComponent.prototype.ngZone;
      /** @type {?} */
      NzAutocompleteComponent.prototype.noAnimation;
  }

  /**
   * @fileoverview added by tsickle
   * Generated from: autocomplete.module.ts
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var NzAutocompleteModule = /** @class */ (function () {
      function NzAutocompleteModule() {
      }
      return NzAutocompleteModule;
  }());
  NzAutocompleteModule.decorators = [
      { type: core.NgModule, args: [{
                  declarations: [NzAutocompleteComponent, NzAutocompleteOptionComponent, NzAutocompleteTriggerDirective, NzAutocompleteOptgroupComponent],
                  exports: [NzAutocompleteComponent, NzAutocompleteOptionComponent, NzAutocompleteTriggerDirective, NzAutocompleteOptgroupComponent],
                  imports: [common.CommonModule, overlay.OverlayModule, forms.FormsModule, outlet.NzOutletModule, noAnimation.NzNoAnimationModule, input.NzInputModule]
              },] }
  ];

  /**
   * @fileoverview added by tsickle
   * Generated from: public-api.ts
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */

  /**
   * @fileoverview added by tsickle
   * Generated from: ng-zorro-antd-auto-complete.ts
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */

  exports.NZ_AUTOCOMPLETE_VALUE_ACCESSOR = NZ_AUTOCOMPLETE_VALUE_ACCESSOR;
  exports.NzAutocompleteComponent = NzAutocompleteComponent;
  exports.NzAutocompleteModule = NzAutocompleteModule;
  exports.NzAutocompleteOptgroupComponent = NzAutocompleteOptgroupComponent;
  exports.NzAutocompleteOptionComponent = NzAutocompleteOptionComponent;
  exports.NzAutocompleteTriggerDirective = NzAutocompleteTriggerDirective;
  exports.NzOptionSelectionChange = NzOptionSelectionChange;
  exports.getNzAutocompleteMissingPanelError = getNzAutocompleteMissingPanelError;

  Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=ng-zorro-antd-auto-complete.umd.js.map
