(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('rxjs'), require('@angular/cdk/scrolling'), require('ng-zorro-antd/core/util'), require('rxjs/operators'), require('@angular/cdk/a11y'), require('@angular/cdk/bidi'), require('@angular/cdk/keycodes'), require('@angular/cdk/overlay'), require('@angular/cdk/platform'), require('@angular/forms'), require('ng-zorro-antd/core/animation'), require('ng-zorro-antd/core/config'), require('ng-zorro-antd/core/no-animation'), require('ng-zorro-antd/core/polyfill'), require('@angular/common'), require('ng-zorro-antd/core/outlet'), require('ng-zorro-antd/core/overlay'), require('ng-zorro-antd/core/transition-patch'), require('ng-zorro-antd/empty'), require('ng-zorro-antd/i18n'), require('ng-zorro-antd/icon')) :
  typeof define === 'function' && define.amd ? define('ng-zorro-antd/select', ['exports', '@angular/core', 'rxjs', '@angular/cdk/scrolling', 'ng-zorro-antd/core/util', 'rxjs/operators', '@angular/cdk/a11y', '@angular/cdk/bidi', '@angular/cdk/keycodes', '@angular/cdk/overlay', '@angular/cdk/platform', '@angular/forms', 'ng-zorro-antd/core/animation', 'ng-zorro-antd/core/config', 'ng-zorro-antd/core/no-animation', 'ng-zorro-antd/core/polyfill', '@angular/common', 'ng-zorro-antd/core/outlet', 'ng-zorro-antd/core/overlay', 'ng-zorro-antd/core/transition-patch', 'ng-zorro-antd/empty', 'ng-zorro-antd/i18n', 'ng-zorro-antd/icon'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd'].select = {}), global.ng.core, global.rxjs, global.ng.cdk.scrolling, global['ng-zorro-antd'].core.util, global.rxjs.operators, global.ng.cdk.a11y, global.ng.cdk.bidi, global.ng.cdk.keycodes, global.ng.cdk.overlay, global.ng.cdk.platform, global.ng.forms, global['ng-zorro-antd'].core.animation, global['ng-zorro-antd'].core.config, global['ng-zorro-antd'].core['no-animation'], global['ng-zorro-antd'].core.polyfill, global.ng.common, global['ng-zorro-antd'].core.outlet, global['ng-zorro-antd'].core.overlay, global['ng-zorro-antd'].core['transition-patch'], global['ng-zorro-antd'].empty, global['ng-zorro-antd'].i18n, global['ng-zorro-antd'].icon));
}(this, (function (exports, core, rxjs, scrolling, util, operators, a11y, bidi, keycodes, overlay, platform, forms, animation, config, noAnimation, polyfill, common, outlet, overlay$1, transitionPatch, empty, i18n, icon) { 'use strict';

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzOptionGroupComponent = /** @class */ (function () {
      function NzOptionGroupComponent() {
          this.nzLabel = null;
          this.changes = new rxjs.Subject();
      }
      NzOptionGroupComponent.prototype.ngOnChanges = function () {
          this.changes.next();
      };
      return NzOptionGroupComponent;
  }());
  NzOptionGroupComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-option-group',
                  exportAs: 'nzOptionGroup',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <ng-content></ng-content>\n  "
              },] }
  ];
  NzOptionGroupComponent.propDecorators = {
      nzLabel: [{ type: core.Input }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzOptionContainerComponent = /** @class */ (function () {
      function NzOptionContainerComponent(elementRef) {
          this.elementRef = elementRef;
          this.notFoundContent = undefined;
          this.menuItemSelectedIcon = null;
          this.dropdownRender = null;
          this.activatedValue = null;
          this.listOfSelectedValue = [];
          this.mode = 'default';
          this.matchWidth = true;
          this.itemSize = 32;
          this.maxItemLength = 8;
          this.listOfContainerItem = [];
          this.itemClick = new core.EventEmitter();
          this.scrollToBottom = new core.EventEmitter();
          this.scrolledIndex = 0;
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-dropdown');
      }
      NzOptionContainerComponent.prototype.onItemClick = function (value) {
          this.itemClick.emit(value);
      };
      NzOptionContainerComponent.prototype.onItemHover = function (value) {
          // TODO: keydown.enter won't activate this value
          this.activatedValue = value;
      };
      NzOptionContainerComponent.prototype.trackValue = function (_index, option) {
          return option.key;
      };
      NzOptionContainerComponent.prototype.onScrolledIndexChange = function (index) {
          this.scrolledIndex = index;
          if (index === this.listOfContainerItem.length - this.maxItemLength) {
              this.scrollToBottom.emit();
          }
      };
      NzOptionContainerComponent.prototype.scrollToActivatedValue = function () {
          var _this = this;
          var index = this.listOfContainerItem.findIndex(function (item) { return _this.compareWith(item.key, _this.activatedValue); });
          if (index < this.scrolledIndex || index >= this.scrolledIndex + this.maxItemLength) {
              this.cdkVirtualScrollViewport.scrollToIndex(index || 0);
          }
      };
      NzOptionContainerComponent.prototype.ngOnChanges = function (changes) {
          var listOfContainerItem = changes.listOfContainerItem, activatedValue = changes.activatedValue;
          if (listOfContainerItem || activatedValue) {
              this.scrollToActivatedValue();
          }
      };
      NzOptionContainerComponent.prototype.ngAfterViewInit = function () {
          var _this = this;
          setTimeout(function () { return _this.scrollToActivatedValue(); });
      };
      return NzOptionContainerComponent;
  }());
  NzOptionContainerComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-option-container',
                  exportAs: 'nzOptionContainer',
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  preserveWhitespaces: false,
                  template: "\n    <div>\n      <div *ngIf=\"listOfContainerItem.length === 0\" class=\"ant-select-item-empty\">\n        <nz-embed-empty nzComponentName=\"select\" [specificContent]=\"notFoundContent!\"></nz-embed-empty>\n      </div>\n      <cdk-virtual-scroll-viewport\n        [class.full-width]=\"!matchWidth\"\n        [itemSize]=\"itemSize\"\n        [maxBufferPx]=\"itemSize * maxItemLength\"\n        [minBufferPx]=\"itemSize * maxItemLength\"\n        (scrolledIndexChange)=\"onScrolledIndexChange($event)\"\n        [style.height.px]=\"listOfContainerItem.length * itemSize\"\n        [style.max-height.px]=\"itemSize * maxItemLength\"\n      >\n        <ng-template\n          cdkVirtualFor\n          [cdkVirtualForOf]=\"listOfContainerItem\"\n          [cdkVirtualForTrackBy]=\"trackValue\"\n          [cdkVirtualForTemplateCacheSize]=\"0\"\n          let-item\n        >\n          <ng-container [ngSwitch]=\"item.type\">\n            <nz-option-item-group *ngSwitchCase=\"'group'\" [nzLabel]=\"item.groupLabel\"></nz-option-item-group>\n            <nz-option-item\n              *ngSwitchCase=\"'item'\"\n              [icon]=\"menuItemSelectedIcon\"\n              [customContent]=\"item.nzCustomContent\"\n              [template]=\"item.template\"\n              [grouped]=\"!!item.groupLabel\"\n              [disabled]=\"item.nzDisabled\"\n              [showState]=\"mode === 'tags' || mode === 'multiple'\"\n              [label]=\"item.nzLabel\"\n              [compareWith]=\"compareWith\"\n              [activatedValue]=\"activatedValue\"\n              [listOfSelectedValue]=\"listOfSelectedValue\"\n              [value]=\"item.nzValue\"\n              (itemHover)=\"onItemHover($event)\"\n              (itemClick)=\"onItemClick($event)\"\n            ></nz-option-item>\n          </ng-container>\n        </ng-template>\n      </cdk-virtual-scroll-viewport>\n      <ng-template [ngTemplateOutlet]=\"dropdownRender\"></ng-template>\n    </div>\n  "
              },] }
  ];
  NzOptionContainerComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzOptionContainerComponent.propDecorators = {
      notFoundContent: [{ type: core.Input }],
      menuItemSelectedIcon: [{ type: core.Input }],
      dropdownRender: [{ type: core.Input }],
      activatedValue: [{ type: core.Input }],
      listOfSelectedValue: [{ type: core.Input }],
      compareWith: [{ type: core.Input }],
      mode: [{ type: core.Input }],
      matchWidth: [{ type: core.Input }],
      itemSize: [{ type: core.Input }],
      maxItemLength: [{ type: core.Input }],
      listOfContainerItem: [{ type: core.Input }],
      itemClick: [{ type: core.Output }],
      scrollToBottom: [{ type: core.Output }],
      cdkVirtualScrollViewport: [{ type: core.ViewChild, args: [scrolling.CdkVirtualScrollViewport, { static: true },] }]
  };

  /*! *****************************************************************************
  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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  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzOptionComponent = /** @class */ (function () {
      function NzOptionComponent(nzOptionGroupComponent) {
          this.nzOptionGroupComponent = nzOptionGroupComponent;
          this.destroy$ = new rxjs.Subject();
          this.changes = new rxjs.Subject();
          this.groupLabel = null;
          this.nzLabel = null;
          this.nzValue = null;
          this.nzDisabled = false;
          this.nzHide = false;
          this.nzCustomContent = false;
      }
      NzOptionComponent.prototype.ngOnInit = function () {
          var _this = this;
          if (this.nzOptionGroupComponent) {
              this.nzOptionGroupComponent.changes.pipe(operators.startWith(true), operators.takeUntil(this.destroy$)).subscribe(function () {
                  _this.groupLabel = _this.nzOptionGroupComponent.nzLabel;
              });
          }
      };
      NzOptionComponent.prototype.ngOnChanges = function () {
          this.changes.next();
      };
      NzOptionComponent.prototype.ngOnDestroy = function () {
          this.destroy$.next();
          this.destroy$.complete();
      };
      return NzOptionComponent;
  }());
  NzOptionComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-option',
                  exportAs: 'nzOption',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <ng-template>\n      <ng-content></ng-content>\n    </ng-template>\n  "
              },] }
  ];
  NzOptionComponent.ctorParameters = function () { return [
      { type: NzOptionGroupComponent, decorators: [{ type: core.Optional }] }
  ]; };
  NzOptionComponent.propDecorators = {
      template: [{ type: core.ViewChild, args: [core.TemplateRef, { static: true },] }],
      nzLabel: [{ type: core.Input }],
      nzValue: [{ type: core.Input }],
      nzDisabled: [{ type: core.Input }],
      nzHide: [{ type: core.Input }],
      nzCustomContent: [{ type: core.Input }]
  };
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzOptionComponent.prototype, "nzDisabled", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzOptionComponent.prototype, "nzHide", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzOptionComponent.prototype, "nzCustomContent", void 0);

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzSelectSearchComponent = /** @class */ (function () {
      function NzSelectSearchComponent(elementRef, renderer, focusMonitor) {
          this.elementRef = elementRef;
          this.renderer = renderer;
          this.focusMonitor = focusMonitor;
          this.nzId = null;
          this.disabled = false;
          this.mirrorSync = false;
          this.showInput = true;
          this.focusTrigger = false;
          this.value = '';
          this.autofocus = false;
          this.valueChange = new core.EventEmitter();
          this.isComposingChange = new core.EventEmitter();
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-selection-search');
      }
      NzSelectSearchComponent.prototype.setCompositionState = function (isComposing) {
          this.isComposingChange.next(isComposing);
      };
      NzSelectSearchComponent.prototype.onValueChange = function (value) {
          this.value = value;
          this.valueChange.next(value);
          if (this.mirrorSync) {
              this.syncMirrorWidth();
          }
      };
      NzSelectSearchComponent.prototype.clearInputValue = function () {
          var inputDOM = this.inputElement.nativeElement;
          inputDOM.value = '';
          this.onValueChange('');
      };
      NzSelectSearchComponent.prototype.syncMirrorWidth = function () {
          var mirrorDOM = this.mirrorElement.nativeElement;
          var hostDOM = this.elementRef.nativeElement;
          var inputDOM = this.inputElement.nativeElement;
          this.renderer.removeStyle(hostDOM, 'width');
          mirrorDOM.innerHTML = this.renderer.createText(inputDOM.value + "&nbsp;");
          this.renderer.setStyle(hostDOM, 'width', mirrorDOM.scrollWidth + "px");
      };
      NzSelectSearchComponent.prototype.focus = function () {
          this.focusMonitor.focusVia(this.inputElement, 'keyboard');
      };
      NzSelectSearchComponent.prototype.blur = function () {
          this.inputElement.nativeElement.blur();
      };
      NzSelectSearchComponent.prototype.ngOnChanges = function (changes) {
          var inputDOM = this.inputElement.nativeElement;
          var focusTrigger = changes.focusTrigger, showInput = changes.showInput;
          if (showInput) {
              if (this.showInput) {
                  this.renderer.removeAttribute(inputDOM, 'readonly');
              }
              else {
                  this.renderer.setAttribute(inputDOM, 'readonly', 'readonly');
              }
          }
          // IE11 cannot input value if focused before removing readonly
          if (focusTrigger && focusTrigger.currentValue === true && focusTrigger.previousValue === false) {
              inputDOM.focus();
          }
      };
      NzSelectSearchComponent.prototype.ngAfterViewInit = function () {
          if (this.mirrorSync) {
              this.syncMirrorWidth();
          }
          if (this.autofocus) {
              this.focus();
          }
      };
      return NzSelectSearchComponent;
  }());
  NzSelectSearchComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select-search',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <input\n      #inputElement\n      [attr.id]=\"nzId\"\n      autocomplete=\"off\"\n      class=\"ant-select-selection-search-input\"\n      [ngModel]=\"value\"\n      [attr.autofocus]=\"autofocus ? 'autofocus' : null\"\n      [disabled]=\"disabled\"\n      [style.opacity]=\"showInput ? null : 0\"\n      (ngModelChange)=\"onValueChange($event)\"\n      (compositionstart)=\"setCompositionState(true)\"\n      (compositionend)=\"setCompositionState(false)\"\n    />\n    <span #mirrorElement *ngIf=\"mirrorSync\" class=\"ant-select-selection-search-mirror\"></span>\n  ",
                  providers: [{ provide: forms.COMPOSITION_BUFFER_MODE, useValue: false }]
              },] }
  ];
  NzSelectSearchComponent.ctorParameters = function () { return [
      { type: core.ElementRef },
      { type: core.Renderer2 },
      { type: a11y.FocusMonitor }
  ]; };
  NzSelectSearchComponent.propDecorators = {
      nzId: [{ type: core.Input }],
      disabled: [{ type: core.Input }],
      mirrorSync: [{ type: core.Input }],
      showInput: [{ type: core.Input }],
      focusTrigger: [{ type: core.Input }],
      value: [{ type: core.Input }],
      autofocus: [{ type: core.Input }],
      valueChange: [{ type: core.Output }],
      isComposingChange: [{ type: core.Output }],
      inputElement: [{ type: core.ViewChild, args: ['inputElement', { static: true },] }],
      mirrorElement: [{ type: core.ViewChild, args: ['mirrorElement', { static: false },] }]
  };

  var NzSelectTopControlComponent = /** @class */ (function () {
      function NzSelectTopControlComponent(elementRef, noAnimation) {
          this.elementRef = elementRef;
          this.noAnimation = noAnimation;
          this.nzId = null;
          this.showSearch = false;
          this.placeHolder = null;
          this.open = false;
          this.maxTagCount = Infinity;
          this.autofocus = false;
          this.disabled = false;
          this.mode = 'default';
          this.customTemplate = null;
          this.maxTagPlaceholder = null;
          this.removeIcon = null;
          this.listOfTopItem = [];
          this.tokenSeparators = [];
          this.tokenize = new core.EventEmitter();
          this.inputValueChange = new core.EventEmitter();
          this.deleteItem = new core.EventEmitter();
          this.listOfSlicedItem = [];
          this.isShowPlaceholder = true;
          this.isShowSingleLabel = false;
          this.isComposing = false;
          this.inputValue = null;
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-selector');
      }
      NzSelectTopControlComponent.prototype.onHostKeydown = function (e) {
          var inputValue = e.target.value;
          if (e.keyCode === keycodes.BACKSPACE && this.mode !== 'default' && !inputValue && this.listOfTopItem.length > 0) {
              e.preventDefault();
              this.onDeleteItem(this.listOfTopItem[this.listOfTopItem.length - 1]);
          }
      };
      NzSelectTopControlComponent.prototype.updateTemplateVariable = function () {
          var isSelectedValueEmpty = this.listOfTopItem.length === 0;
          this.isShowPlaceholder = isSelectedValueEmpty && !this.isComposing && !this.inputValue;
          this.isShowSingleLabel = !isSelectedValueEmpty && !this.isComposing && !this.inputValue;
      };
      NzSelectTopControlComponent.prototype.isComposingChange = function (isComposing) {
          this.isComposing = isComposing;
          this.updateTemplateVariable();
      };
      NzSelectTopControlComponent.prototype.onInputValueChange = function (value) {
          if (value !== this.inputValue) {
              this.inputValue = value;
              this.updateTemplateVariable();
              this.inputValueChange.emit(value);
              this.tokenSeparate(value, this.tokenSeparators);
          }
      };
      NzSelectTopControlComponent.prototype.tokenSeparate = function (inputValue, tokenSeparators) {
          var includesSeparators = function (str, separators) {
              // tslint:disable-next-line:prefer-for-of
              for (var i = 0; i < separators.length; ++i) {
                  if (str.lastIndexOf(separators[i]) > 0) {
                      return true;
                  }
              }
              return false;
          };
          var splitBySeparators = function (str, separators) {
              var reg = new RegExp("[" + separators.join() + "]");
              var array = str.split(reg).filter(function (token) { return token; });
              return __spread(new Set(array));
          };
          if (inputValue &&
              inputValue.length &&
              tokenSeparators.length &&
              this.mode !== 'default' &&
              includesSeparators(inputValue, tokenSeparators)) {
              var listOfLabel = splitBySeparators(inputValue, tokenSeparators);
              this.tokenize.next(listOfLabel);
          }
      };
      NzSelectTopControlComponent.prototype.clearInputValue = function () {
          if (this.nzSelectSearchComponent) {
              this.nzSelectSearchComponent.clearInputValue();
          }
      };
      NzSelectTopControlComponent.prototype.focus = function () {
          if (this.nzSelectSearchComponent) {
              this.nzSelectSearchComponent.focus();
          }
      };
      NzSelectTopControlComponent.prototype.blur = function () {
          if (this.nzSelectSearchComponent) {
              this.nzSelectSearchComponent.blur();
          }
      };
      NzSelectTopControlComponent.prototype.trackValue = function (_index, option) {
          return option.nzValue;
      };
      NzSelectTopControlComponent.prototype.onDeleteItem = function (item) {
          if (!this.disabled && !item.nzDisabled) {
              this.deleteItem.next(item);
          }
      };
      NzSelectTopControlComponent.prototype.ngOnChanges = function (changes) {
          var _this = this;
          var listOfTopItem = changes.listOfTopItem, maxTagCount = changes.maxTagCount, customTemplate = changes.customTemplate, maxTagPlaceholder = changes.maxTagPlaceholder;
          if (listOfTopItem) {
              this.updateTemplateVariable();
          }
          if (listOfTopItem || maxTagCount || customTemplate || maxTagPlaceholder) {
              var listOfSlicedItem = this.listOfTopItem.slice(0, this.maxTagCount).map(function (o) {
                  return {
                      nzLabel: o.nzLabel,
                      nzValue: o.nzValue,
                      nzDisabled: o.nzDisabled,
                      contentTemplateOutlet: _this.customTemplate,
                      contentTemplateOutletContext: o
                  };
              });
              if (this.listOfTopItem.length > this.maxTagCount) {
                  var exceededLabel = "+ " + (this.listOfTopItem.length - this.maxTagCount) + " ...";
                  var listOfSelectedValue = this.listOfTopItem.map(function (item) { return item.nzValue; });
                  var exceededItem = {
                      nzLabel: exceededLabel,
                      nzValue: '$$__nz_exceeded_item',
                      nzDisabled: true,
                      contentTemplateOutlet: this.maxTagPlaceholder,
                      contentTemplateOutletContext: listOfSelectedValue.slice(this.maxTagCount)
                  };
                  listOfSlicedItem.push(exceededItem);
              }
              this.listOfSlicedItem = listOfSlicedItem;
          }
      };
      return NzSelectTopControlComponent;
  }());
  NzSelectTopControlComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select-top-control',
                  exportAs: 'nzSelectTopControl',
                  preserveWhitespaces: false,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  template: "\n    <!--single mode-->\n    <ng-container [ngSwitch]=\"mode\">\n      <ng-container *ngSwitchCase=\"'default'\">\n        <nz-select-search\n          [nzId]=\"nzId\"\n          [disabled]=\"disabled\"\n          [value]=\"inputValue!\"\n          [showInput]=\"showSearch\"\n          [mirrorSync]=\"false\"\n          [autofocus]=\"autofocus\"\n          [focusTrigger]=\"open\"\n          (isComposingChange)=\"isComposingChange($event)\"\n          (valueChange)=\"onInputValueChange($event)\"\n        ></nz-select-search>\n        <nz-select-item\n          *ngIf=\"isShowSingleLabel\"\n          [deletable]=\"false\"\n          [disabled]=\"false\"\n          [removeIcon]=\"removeIcon\"\n          [label]=\"listOfTopItem[0].nzLabel\"\n          [contentTemplateOutlet]=\"customTemplate\"\n          [contentTemplateOutletContext]=\"listOfTopItem[0]\"\n        ></nz-select-item>\n      </ng-container>\n      <ng-container *ngSwitchDefault>\n        <!--multiple or tags mode-->\n        <nz-select-item\n          *ngFor=\"let item of listOfSlicedItem; trackBy: trackValue\"\n          [removeIcon]=\"removeIcon\"\n          [label]=\"item.nzLabel\"\n          [disabled]=\"item.nzDisabled || disabled\"\n          [contentTemplateOutlet]=\"item.contentTemplateOutlet\"\n          [deletable]=\"true\"\n          [contentTemplateOutletContext]=\"item.contentTemplateOutletContext\"\n          (delete)=\"onDeleteItem(item.contentTemplateOutletContext)\"\n        ></nz-select-item>\n        <nz-select-search\n          [nzId]=\"nzId\"\n          [disabled]=\"disabled\"\n          [value]=\"inputValue!\"\n          [autofocus]=\"autofocus\"\n          [showInput]=\"true\"\n          [mirrorSync]=\"true\"\n          [focusTrigger]=\"open\"\n          (isComposingChange)=\"isComposingChange($event)\"\n          (valueChange)=\"onInputValueChange($event)\"\n        ></nz-select-search>\n      </ng-container>\n    </ng-container>\n    <nz-select-placeholder *ngIf=\"isShowPlaceholder\" [placeholder]=\"placeHolder\"></nz-select-placeholder>\n  ",
                  host: {
                      '(keydown)': 'onHostKeydown($event)'
                  }
              },] }
  ];
  NzSelectTopControlComponent.ctorParameters = function () { return [
      { type: core.ElementRef },
      { type: noAnimation.NzNoAnimationDirective, decorators: [{ type: core.Host }, { type: core.Optional }] }
  ]; };
  NzSelectTopControlComponent.propDecorators = {
      nzId: [{ type: core.Input }],
      showSearch: [{ type: core.Input }],
      placeHolder: [{ type: core.Input }],
      open: [{ type: core.Input }],
      maxTagCount: [{ type: core.Input }],
      autofocus: [{ type: core.Input }],
      disabled: [{ type: core.Input }],
      mode: [{ type: core.Input }],
      customTemplate: [{ type: core.Input }],
      maxTagPlaceholder: [{ type: core.Input }],
      removeIcon: [{ type: core.Input }],
      listOfTopItem: [{ type: core.Input }],
      tokenSeparators: [{ type: core.Input }],
      tokenize: [{ type: core.Output }],
      inputValueChange: [{ type: core.Output }],
      deleteItem: [{ type: core.Output }],
      nzSelectSearchComponent: [{ type: core.ViewChild, args: [NzSelectSearchComponent,] }]
  };

  var defaultFilterOption = function (searchValue, item) {
      if (item && item.nzLabel) {
          return item.nzLabel.toString().toLowerCase().indexOf(searchValue.toLowerCase()) > -1;
      }
      else {
          return false;
      }
  };
  var ɵ0 = defaultFilterOption;
  var NZ_CONFIG_MODULE_NAME = 'select';
  var NzSelectComponent = /** @class */ (function () {
      function NzSelectComponent(nzConfigService, cdr, elementRef, platform, focusMonitor, directionality, noAnimation) {
          this.nzConfigService = nzConfigService;
          this.cdr = cdr;
          this.elementRef = elementRef;
          this.platform = platform;
          this.focusMonitor = focusMonitor;
          this.directionality = directionality;
          this.noAnimation = noAnimation;
          this._nzModuleName = NZ_CONFIG_MODULE_NAME;
          this.nzId = null;
          this.nzSize = 'default';
          this.nzOptionHeightPx = 32;
          this.nzOptionOverflowSize = 8;
          this.nzDropdownClassName = null;
          this.nzDropdownMatchSelectWidth = true;
          this.nzDropdownStyle = null;
          this.nzNotFoundContent = undefined;
          this.nzPlaceHolder = null;
          this.nzMaxTagCount = Infinity;
          this.nzDropdownRender = null;
          this.nzCustomTemplate = null;
          this.nzSuffixIcon = null;
          this.nzClearIcon = null;
          this.nzRemoveIcon = null;
          this.nzMenuItemSelectedIcon = null;
          this.nzTokenSeparators = [];
          this.nzMaxTagPlaceholder = null;
          this.nzMaxMultipleCount = Infinity;
          this.nzMode = 'default';
          this.nzFilterOption = defaultFilterOption;
          this.compareWith = function (o1, o2) { return o1 === o2; };
          this.nzAllowClear = false;
          this.nzBorderless = false;
          this.nzShowSearch = false;
          this.nzLoading = false;
          this.nzAutoFocus = false;
          this.nzAutoClearSearchValue = true;
          this.nzServerSearch = false;
          this.nzDisabled = false;
          this.nzOpen = false;
          this.nzBackdrop = false;
          this.nzOptions = [];
          this.nzOnSearch = new core.EventEmitter();
          this.nzScrollToBottom = new core.EventEmitter();
          this.nzOpenChange = new core.EventEmitter();
          this.nzBlur = new core.EventEmitter();
          this.nzFocus = new core.EventEmitter();
          this.listOfValue$ = new rxjs.BehaviorSubject([]);
          this.listOfTemplateItem$ = new rxjs.BehaviorSubject([]);
          this.listOfTagAndTemplateItem = [];
          this.searchValue = '';
          this.isReactiveDriven = false;
          this.destroy$ = new rxjs.Subject();
          this.onChange = function () { };
          this.onTouched = function () { };
          this.dropDownPosition = 'bottom';
          this.triggerWidth = null;
          this.listOfContainerItem = [];
          this.listOfTopItem = [];
          this.activatedValue = null;
          this.listOfValue = [];
          this.focused = false;
          this.dir = 'ltr';
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select');
      }
      Object.defineProperty(NzSelectComponent.prototype, "nzShowArrow", {
          get: function () {
              return this._nzShowArrow === undefined ? this.nzMode === 'default' : this._nzShowArrow;
          },
          set: function (value) {
              this._nzShowArrow = value;
          },
          enumerable: false,
          configurable: true
      });
      NzSelectComponent.prototype.generateTagItem = function (value) {
          return {
              nzValue: value,
              nzLabel: value,
              type: 'item'
          };
      };
      NzSelectComponent.prototype.onItemClick = function (value) {
          var _this = this;
          this.activatedValue = value;
          if (this.nzMode === 'default') {
              if (this.listOfValue.length === 0 || !this.compareWith(this.listOfValue[0], value)) {
                  this.updateListOfValue([value]);
              }
              this.setOpenState(false);
          }
          else {
              var targetIndex_1 = this.listOfValue.findIndex(function (o) { return _this.compareWith(o, value); });
              if (targetIndex_1 !== -1) {
                  var listOfValueAfterRemoved = this.listOfValue.filter(function (_, i) { return i !== targetIndex_1; });
                  this.updateListOfValue(listOfValueAfterRemoved);
              }
              else if (this.listOfValue.length < this.nzMaxMultipleCount) {
                  var listOfValueAfterAdded = __spread(this.listOfValue, [value]);
                  this.updateListOfValue(listOfValueAfterAdded);
              }
              this.focus();
              if (this.nzAutoClearSearchValue) {
                  this.clearInput();
              }
          }
      };
      NzSelectComponent.prototype.onItemDelete = function (item) {
          var _this = this;
          var listOfSelectedValue = this.listOfValue.filter(function (v) { return !_this.compareWith(v, item.nzValue); });
          this.updateListOfValue(listOfSelectedValue);
          this.clearInput();
      };
      NzSelectComponent.prototype.onHostClick = function () {
          if ((this.nzOpen && this.nzShowSearch) || this.nzDisabled) {
              return;
          }
          this.setOpenState(!this.nzOpen);
      };
      NzSelectComponent.prototype.updateListOfContainerItem = function () {
          var _this = this;
          var listOfContainerItem = this.listOfTagAndTemplateItem
              .filter(function (item) { return !item.nzHide; })
              .filter(function (item) {
              if (!_this.nzServerSearch && _this.searchValue) {
                  return _this.nzFilterOption(_this.searchValue, item);
              }
              else {
                  return true;
              }
          });
          if (this.nzMode === 'tags' && this.searchValue) {
              var matchedItem = this.listOfTagAndTemplateItem.find(function (item) { return item.nzLabel === _this.searchValue; });
              if (!matchedItem) {
                  var tagItem = this.generateTagItem(this.searchValue);
                  listOfContainerItem = __spread([tagItem], listOfContainerItem);
                  this.activatedValue = tagItem.nzValue;
              }
              else {
                  this.activatedValue = matchedItem.nzValue;
              }
          }
          var activatedItem = listOfContainerItem.find(function (item) { return _this.compareWith(item.nzValue, _this.listOfValue[0]); }) || listOfContainerItem[0];
          this.activatedValue = (activatedItem && activatedItem.nzValue) || null;
          var listOfGroupLabel = [];
          if (this.isReactiveDriven) {
              listOfGroupLabel = __spread(new Set(this.nzOptions.filter(function (o) { return o.groupLabel; }).map(function (o) { return o.groupLabel; })));
          }
          else {
              if (this.listOfNzOptionGroupComponent) {
                  listOfGroupLabel = this.listOfNzOptionGroupComponent.map(function (o) { return o.nzLabel; });
              }
          }
          /** insert group item **/
          listOfGroupLabel.forEach(function (label) {
              var index = listOfContainerItem.findIndex(function (item) { return label === item.groupLabel; });
              if (index > -1) {
                  var groupItem = { groupLabel: label, type: 'group', key: label };
                  listOfContainerItem.splice(index, 0, groupItem);
              }
          });
          this.listOfContainerItem = __spread(listOfContainerItem);
          this.updateCdkConnectedOverlayPositions();
      };
      NzSelectComponent.prototype.clearInput = function () {
          this.nzSelectTopControlComponent.clearInputValue();
      };
      NzSelectComponent.prototype.updateListOfValue = function (listOfValue) {
          var covertListToModel = function (list, mode) {
              if (mode === 'default') {
                  if (list.length > 0) {
                      return list[0];
                  }
                  else {
                      return null;
                  }
              }
              else {
                  return list;
              }
          };
          var model = covertListToModel(listOfValue, this.nzMode);
          if (this.value !== model) {
              this.listOfValue = listOfValue;
              this.listOfValue$.next(listOfValue);
              this.value = model;
              this.onChange(this.value);
          }
      };
      NzSelectComponent.prototype.onTokenSeparate = function (listOfLabel) {
          var _this = this;
          var listOfMatchedValue = this.listOfTagAndTemplateItem
              .filter(function (item) { return listOfLabel.findIndex(function (label) { return label === item.nzLabel; }) !== -1; })
              .map(function (item) { return item.nzValue; })
              .filter(function (item) { return _this.listOfValue.findIndex(function (v) { return _this.compareWith(v, item); }) === -1; });
          if (this.nzMode === 'multiple') {
              this.updateListOfValue(__spread(this.listOfValue, listOfMatchedValue));
          }
          else if (this.nzMode === 'tags') {
              var listOfUnMatchedLabel = listOfLabel.filter(function (label) { return _this.listOfTagAndTemplateItem.findIndex(function (item) { return item.nzLabel === label; }) === -1; });
              this.updateListOfValue(__spread(this.listOfValue, listOfMatchedValue, listOfUnMatchedLabel));
          }
          this.clearInput();
      };
      NzSelectComponent.prototype.onOverlayKeyDown = function (e) {
          if (e.keyCode === keycodes.ESCAPE) {
              this.setOpenState(false);
          }
      };
      NzSelectComponent.prototype.onKeyDown = function (e) {
          var _this = this;
          if (this.nzDisabled) {
              return;
          }
          var listOfFilteredOptionNotDisabled = this.listOfContainerItem.filter(function (item) { return item.type === 'item'; }).filter(function (item) { return !item.nzDisabled; });
          var activatedIndex = listOfFilteredOptionNotDisabled.findIndex(function (item) { return _this.compareWith(item.nzValue, _this.activatedValue); });
          switch (e.keyCode) {
              case keycodes.UP_ARROW:
                  e.preventDefault();
                  if (this.nzOpen) {
                      var preIndex = activatedIndex > 0 ? activatedIndex - 1 : listOfFilteredOptionNotDisabled.length - 1;
                      this.activatedValue = listOfFilteredOptionNotDisabled[preIndex].nzValue;
                  }
                  break;
              case keycodes.DOWN_ARROW:
                  e.preventDefault();
                  if (this.nzOpen) {
                      var nextIndex = activatedIndex < listOfFilteredOptionNotDisabled.length - 1 ? activatedIndex + 1 : 0;
                      this.activatedValue = listOfFilteredOptionNotDisabled[nextIndex].nzValue;
                  }
                  else {
                      this.setOpenState(true);
                  }
                  break;
              case keycodes.ENTER:
                  e.preventDefault();
                  if (this.nzOpen) {
                      if (util.isNotNil(this.activatedValue)) {
                          this.onItemClick(this.activatedValue);
                      }
                  }
                  else {
                      this.setOpenState(true);
                  }
                  break;
              case keycodes.SPACE:
                  if (!this.nzOpen) {
                      this.setOpenState(true);
                      e.preventDefault();
                  }
                  break;
              case keycodes.TAB:
                  this.setOpenState(false);
                  break;
              case keycodes.ESCAPE:
                  /**
                   * Skip the ESCAPE processing, it will be handled in {@link onOverlayKeyDown}.
                   */
                  break;
              default:
                  if (!this.nzOpen) {
                      this.setOpenState(true);
                  }
          }
      };
      NzSelectComponent.prototype.setOpenState = function (value) {
          if (this.nzOpen !== value) {
              this.nzOpen = value;
              this.nzOpenChange.emit(value);
              this.onOpenChange();
              this.cdr.markForCheck();
          }
      };
      NzSelectComponent.prototype.onOpenChange = function () {
          this.updateCdkConnectedOverlayStatus();
          this.clearInput();
      };
      NzSelectComponent.prototype.onInputValueChange = function (value) {
          this.searchValue = value;
          this.updateListOfContainerItem();
          this.nzOnSearch.emit(value);
          this.updateCdkConnectedOverlayPositions();
      };
      NzSelectComponent.prototype.onClearSelection = function () {
          this.updateListOfValue([]);
      };
      NzSelectComponent.prototype.onClickOutside = function (event) {
          if (!this.elementRef.nativeElement.contains(event.target)) {
              this.setOpenState(false);
          }
      };
      NzSelectComponent.prototype.focus = function () {
          this.nzSelectTopControlComponent.focus();
      };
      NzSelectComponent.prototype.blur = function () {
          this.nzSelectTopControlComponent.blur();
      };
      NzSelectComponent.prototype.onPositionChange = function (position) {
          this.dropDownPosition = position.connectionPair.originY;
      };
      NzSelectComponent.prototype.updateCdkConnectedOverlayStatus = function () {
          var _this = this;
          if (this.platform.isBrowser && this.originElement.nativeElement) {
              polyfill.reqAnimFrame(function () {
                  _this.triggerWidth = _this.originElement.nativeElement.getBoundingClientRect().width;
                  _this.cdr.markForCheck();
              });
          }
      };
      NzSelectComponent.prototype.updateCdkConnectedOverlayPositions = function () {
          var _this = this;
          polyfill.reqAnimFrame(function () {
              var _a, _b;
              (_b = (_a = _this.cdkConnectedOverlay) === null || _a === void 0 ? void 0 : _a.overlayRef) === null || _b === void 0 ? void 0 : _b.updatePosition();
          });
      };
      NzSelectComponent.prototype.writeValue = function (modelValue) {
          /** https://github.com/angular/angular/issues/14988 **/
          if (this.value !== modelValue) {
              this.value = modelValue;
              var covertModelToList = function (model, mode) {
                  if (model === null || model === undefined) {
                      return [];
                  }
                  else if (mode === 'default') {
                      return [model];
                  }
                  else {
                      return model;
                  }
              };
              var listOfValue = covertModelToList(modelValue, this.nzMode);
              this.listOfValue = listOfValue;
              this.listOfValue$.next(listOfValue);
              this.cdr.markForCheck();
          }
      };
      NzSelectComponent.prototype.registerOnChange = function (fn) {
          this.onChange = fn;
      };
      NzSelectComponent.prototype.registerOnTouched = function (fn) {
          this.onTouched = fn;
      };
      NzSelectComponent.prototype.setDisabledState = function (disabled) {
          this.nzDisabled = disabled;
          if (disabled) {
              this.setOpenState(false);
          }
          this.cdr.markForCheck();
      };
      NzSelectComponent.prototype.ngOnChanges = function (changes) {
          var nzOpen = changes.nzOpen, nzDisabled = changes.nzDisabled, nzOptions = changes.nzOptions;
          if (nzOpen) {
              this.onOpenChange();
          }
          if (nzDisabled && this.nzDisabled) {
              this.setOpenState(false);
          }
          if (nzOptions) {
              this.isReactiveDriven = true;
              var listOfOptions = this.nzOptions || [];
              var listOfTransformedItem = listOfOptions.map(function (item) {
                  return {
                      template: item.label instanceof core.TemplateRef ? item.label : null,
                      nzLabel: typeof item.label === 'string' || typeof item.label === 'number' ? item.label : null,
                      nzValue: item.value,
                      nzDisabled: item.disabled || false,
                      nzHide: item.hide || false,
                      nzCustomContent: item.label instanceof core.TemplateRef,
                      groupLabel: item.groupLabel || null,
                      type: 'item',
                      key: item.value
                  };
              });
              this.listOfTemplateItem$.next(listOfTransformedItem);
          }
      };
      NzSelectComponent.prototype.ngOnInit = function () {
          var _this = this;
          var _a;
          this.focusMonitor
              .monitor(this.elementRef, true)
              .pipe(operators.takeUntil(this.destroy$))
              .subscribe(function (focusOrigin) {
              if (!focusOrigin) {
                  _this.focused = false;
                  _this.cdr.markForCheck();
                  _this.nzBlur.emit();
                  Promise.resolve().then(function () {
                      _this.onTouched();
                  });
              }
              else {
                  _this.focused = true;
                  _this.cdr.markForCheck();
                  _this.nzFocus.emit();
              }
          });
          rxjs.combineLatest([this.listOfValue$, this.listOfTemplateItem$])
              .pipe(operators.takeUntil(this.destroy$))
              .subscribe(function (_c) {
              var _d = __read(_c, 2), listOfSelectedValue = _d[0], listOfTemplateItem = _d[1];
              var listOfTagItem = listOfSelectedValue
                  .filter(function () { return _this.nzMode === 'tags'; })
                  .filter(function (value) { return listOfTemplateItem.findIndex(function (o) { return _this.compareWith(o.nzValue, value); }) === -1; })
                  .map(function (value) { return _this.listOfTopItem.find(function (o) { return _this.compareWith(o.nzValue, value); }) || _this.generateTagItem(value); });
              _this.listOfTagAndTemplateItem = __spread(listOfTemplateItem, listOfTagItem);
              _this.listOfTopItem = _this.listOfValue
                  .map(function (v) { return __spread(_this.listOfTagAndTemplateItem, _this.listOfTopItem).find(function (item) { return _this.compareWith(v, item.nzValue); }); })
                  .filter(function (item) { return !!item; });
              _this.updateListOfContainerItem();
          });
          (_a = this.directionality.change) === null || _a === void 0 ? void 0 : _a.pipe(operators.takeUntil(this.destroy$)).subscribe(function (direction) {
              _this.dir = direction;
              _this.cdr.detectChanges();
          });
          this.nzConfigService
              .getConfigChangeEventForComponent('select')
              .pipe(operators.takeUntil(this.destroy$))
              .subscribe(function () {
              _this.cdr.markForCheck();
          });
          this.dir = this.directionality.value;
      };
      NzSelectComponent.prototype.ngAfterContentInit = function () {
          var _this = this;
          if (!this.isReactiveDriven) {
              rxjs.merge(this.listOfNzOptionGroupComponent.changes, this.listOfNzOptionComponent.changes)
                  .pipe(operators.startWith(true), operators.switchMap(function () { return rxjs.merge.apply(void 0, __spread([
                  _this.listOfNzOptionComponent.changes,
                  _this.listOfNzOptionGroupComponent.changes
              ], _this.listOfNzOptionComponent.map(function (option) { return option.changes; }), _this.listOfNzOptionGroupComponent.map(function (option) { return option.changes; }))).pipe(operators.startWith(true)); }), operators.takeUntil(this.destroy$))
                  .subscribe(function () {
                  var listOfOptionInterface = _this.listOfNzOptionComponent.toArray().map(function (item) {
                      var template = item.template, nzLabel = item.nzLabel, nzValue = item.nzValue, nzDisabled = item.nzDisabled, nzHide = item.nzHide, nzCustomContent = item.nzCustomContent, groupLabel = item.groupLabel;
                      return { template: template, nzLabel: nzLabel, nzValue: nzValue, nzDisabled: nzDisabled, nzHide: nzHide, nzCustomContent: nzCustomContent, groupLabel: groupLabel, type: 'item', key: nzValue };
                  });
                  _this.listOfTemplateItem$.next(listOfOptionInterface);
                  _this.cdr.markForCheck();
              });
          }
      };
      NzSelectComponent.prototype.ngOnDestroy = function () {
          this.focusMonitor.stopMonitoring(this.elementRef);
          this.destroy$.next();
          this.destroy$.complete();
      };
      return NzSelectComponent;
  }());
  NzSelectComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select',
                  exportAs: 'nzSelect',
                  preserveWhitespaces: false,
                  providers: [
                      {
                          provide: forms.NG_VALUE_ACCESSOR,
                          useExisting: core.forwardRef(function () { return NzSelectComponent; }),
                          multi: true
                      }
                  ],
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  animations: [animation.slideMotion],
                  template: "\n    <nz-select-top-control\n      cdkOverlayOrigin\n      #origin=\"cdkOverlayOrigin\"\n      [nzId]=\"nzId\"\n      [open]=\"nzOpen\"\n      [disabled]=\"nzDisabled\"\n      [mode]=\"nzMode\"\n      [@.disabled]=\"noAnimation?.nzNoAnimation\"\n      [nzNoAnimation]=\"noAnimation?.nzNoAnimation\"\n      [maxTagPlaceholder]=\"nzMaxTagPlaceholder\"\n      [removeIcon]=\"nzRemoveIcon\"\n      [placeHolder]=\"nzPlaceHolder\"\n      [maxTagCount]=\"nzMaxTagCount\"\n      [customTemplate]=\"nzCustomTemplate\"\n      [tokenSeparators]=\"nzTokenSeparators\"\n      [showSearch]=\"nzShowSearch\"\n      [autofocus]=\"nzAutoFocus\"\n      [listOfTopItem]=\"listOfTopItem\"\n      (inputValueChange)=\"onInputValueChange($event)\"\n      (tokenize)=\"onTokenSeparate($event)\"\n      (deleteItem)=\"onItemDelete($event)\"\n      (keydown)=\"onKeyDown($event)\"\n    ></nz-select-top-control>\n    <nz-select-arrow\n      *ngIf=\"nzShowArrow\"\n      [loading]=\"nzLoading\"\n      [search]=\"nzOpen && nzShowSearch\"\n      [suffixIcon]=\"nzSuffixIcon\"\n    ></nz-select-arrow>\n    <nz-select-clear\n      *ngIf=\"nzAllowClear && !nzDisabled && listOfValue.length\"\n      [clearIcon]=\"nzClearIcon\"\n      (clear)=\"onClearSelection()\"\n    ></nz-select-clear>\n    <ng-template\n      cdkConnectedOverlay\n      nzConnectedOverlay\n      [cdkConnectedOverlayHasBackdrop]=\"nzBackdrop\"\n      [cdkConnectedOverlayMinWidth]=\"$any(nzDropdownMatchSelectWidth ? null : triggerWidth)\"\n      [cdkConnectedOverlayWidth]=\"$any(nzDropdownMatchSelectWidth ? triggerWidth : null)\"\n      [cdkConnectedOverlayOrigin]=\"origin\"\n      [cdkConnectedOverlayTransformOriginOn]=\"'.ant-select-dropdown'\"\n      [cdkConnectedOverlayPanelClass]=\"nzDropdownClassName!\"\n      [cdkConnectedOverlayOpen]=\"nzOpen\"\n      (overlayKeydown)=\"onOverlayKeyDown($event)\"\n      (overlayOutsideClick)=\"onClickOutside($event)\"\n      (detach)=\"setOpenState(false)\"\n      (positionChange)=\"onPositionChange($event)\"\n    >\n      <nz-option-container\n        [ngStyle]=\"nzDropdownStyle\"\n        [itemSize]=\"nzOptionHeightPx\"\n        [maxItemLength]=\"nzOptionOverflowSize\"\n        [matchWidth]=\"nzDropdownMatchSelectWidth\"\n        [class.ant-select-dropdown-placement-bottomLeft]=\"dropDownPosition === 'bottom'\"\n        [class.ant-select-dropdown-placement-topLeft]=\"dropDownPosition === 'top'\"\n        [@slideMotion]=\"'enter'\"\n        [@.disabled]=\"noAnimation?.nzNoAnimation\"\n        [nzNoAnimation]=\"noAnimation?.nzNoAnimation\"\n        [listOfContainerItem]=\"listOfContainerItem\"\n        [menuItemSelectedIcon]=\"nzMenuItemSelectedIcon\"\n        [notFoundContent]=\"nzNotFoundContent\"\n        [activatedValue]=\"activatedValue\"\n        [listOfSelectedValue]=\"listOfValue\"\n        [dropdownRender]=\"nzDropdownRender\"\n        [compareWith]=\"compareWith\"\n        [mode]=\"nzMode\"\n        (keydown)=\"onKeyDown($event)\"\n        (itemClick)=\"onItemClick($event)\"\n        (scrollToBottom)=\"nzScrollToBottom.emit()\"\n      ></nz-option-container>\n    </ng-template>\n  ",
                  host: {
                      '[class.ant-select-lg]': 'nzSize === "large"',
                      '[class.ant-select-sm]': 'nzSize === "small"',
                      '[class.ant-select-show-arrow]': "nzShowArrow",
                      '[class.ant-select-disabled]': 'nzDisabled',
                      '[class.ant-select-show-search]': "(nzShowSearch || nzMode !== 'default') && !nzDisabled",
                      '[class.ant-select-allow-clear]': 'nzAllowClear',
                      '[class.ant-select-borderless]': 'nzBorderless',
                      '[class.ant-select-open]': 'nzOpen',
                      '[class.ant-select-focused]': 'nzOpen || focused',
                      '[class.ant-select-single]': "nzMode === 'default'",
                      '[class.ant-select-multiple]': "nzMode !== 'default'",
                      '[class.ant-select-rtl]': "dir === 'rtl'",
                      '(click)': 'onHostClick()'
                  }
              },] }
  ];
  NzSelectComponent.ctorParameters = function () { return [
      { type: config.NzConfigService },
      { type: core.ChangeDetectorRef },
      { type: core.ElementRef },
      { type: platform.Platform },
      { type: a11y.FocusMonitor },
      { type: bidi.Directionality, decorators: [{ type: core.Optional }] },
      { type: noAnimation.NzNoAnimationDirective, decorators: [{ type: core.Host }, { type: core.Optional }] }
  ]; };
  NzSelectComponent.propDecorators = {
      nzId: [{ type: core.Input }],
      nzSize: [{ type: core.Input }],
      nzOptionHeightPx: [{ type: core.Input }],
      nzOptionOverflowSize: [{ type: core.Input }],
      nzDropdownClassName: [{ type: core.Input }],
      nzDropdownMatchSelectWidth: [{ type: core.Input }],
      nzDropdownStyle: [{ type: core.Input }],
      nzNotFoundContent: [{ type: core.Input }],
      nzPlaceHolder: [{ type: core.Input }],
      nzMaxTagCount: [{ type: core.Input }],
      nzDropdownRender: [{ type: core.Input }],
      nzCustomTemplate: [{ type: core.Input }],
      nzSuffixIcon: [{ type: core.Input }],
      nzClearIcon: [{ type: core.Input }],
      nzRemoveIcon: [{ type: core.Input }],
      nzMenuItemSelectedIcon: [{ type: core.Input }],
      nzTokenSeparators: [{ type: core.Input }],
      nzMaxTagPlaceholder: [{ type: core.Input }],
      nzMaxMultipleCount: [{ type: core.Input }],
      nzMode: [{ type: core.Input }],
      nzFilterOption: [{ type: core.Input }],
      compareWith: [{ type: core.Input }],
      nzAllowClear: [{ type: core.Input }],
      nzBorderless: [{ type: core.Input }],
      nzShowSearch: [{ type: core.Input }],
      nzLoading: [{ type: core.Input }],
      nzAutoFocus: [{ type: core.Input }],
      nzAutoClearSearchValue: [{ type: core.Input }],
      nzServerSearch: [{ type: core.Input }],
      nzDisabled: [{ type: core.Input }],
      nzOpen: [{ type: core.Input }],
      nzBackdrop: [{ type: core.Input }],
      nzOptions: [{ type: core.Input }],
      nzShowArrow: [{ type: core.Input }],
      nzOnSearch: [{ type: core.Output }],
      nzScrollToBottom: [{ type: core.Output }],
      nzOpenChange: [{ type: core.Output }],
      nzBlur: [{ type: core.Output }],
      nzFocus: [{ type: core.Output }],
      originElement: [{ type: core.ViewChild, args: [overlay.CdkOverlayOrigin, { static: true, read: core.ElementRef },] }],
      cdkConnectedOverlay: [{ type: core.ViewChild, args: [overlay.CdkConnectedOverlay, { static: true },] }],
      nzSelectTopControlComponent: [{ type: core.ViewChild, args: [NzSelectTopControlComponent, { static: true },] }],
      listOfNzOptionComponent: [{ type: core.ContentChildren, args: [NzOptionComponent, { descendants: true },] }],
      listOfNzOptionGroupComponent: [{ type: core.ContentChildren, args: [NzOptionGroupComponent, { descendants: true },] }],
      nzOptionGroupComponentElement: [{ type: core.ViewChild, args: [NzOptionGroupComponent, { static: true, read: core.ElementRef },] }],
      nzSelectTopControlComponentElement: [{ type: core.ViewChild, args: [NzSelectTopControlComponent, { static: true, read: core.ElementRef },] }]
  };
  __decorate([
      config.WithConfig(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzSuffixIcon", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzAllowClear", void 0);
  __decorate([
      config.WithConfig(),
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzBorderless", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzShowSearch", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzLoading", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzAutoFocus", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzAutoClearSearchValue", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzServerSearch", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzDisabled", void 0);
  __decorate([
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzOpen", void 0);
  __decorate([
      config.WithConfig(),
      util.InputBoolean(),
      __metadata("design:type", Object)
  ], NzSelectComponent.prototype, "nzBackdrop", void 0);

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzOptionItemGroupComponent = /** @class */ (function () {
      function NzOptionItemGroupComponent(elementRef) {
          this.elementRef = elementRef;
          this.nzLabel = null;
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-item', 'ant-select-item-group');
      }
      return NzOptionItemGroupComponent;
  }());
  NzOptionItemGroupComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-option-item-group',
                  template: "\n    <ng-container *nzStringTemplateOutlet=\"nzLabel\">{{ nzLabel }}</ng-container>\n  ",
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None
              },] }
  ];
  NzOptionItemGroupComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzOptionItemGroupComponent.propDecorators = {
      nzLabel: [{ type: core.Input }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzOptionItemComponent = /** @class */ (function () {
      function NzOptionItemComponent(elementRef) {
          this.elementRef = elementRef;
          this.selected = false;
          this.activated = false;
          this.grouped = false;
          this.customContent = false;
          this.template = null;
          this.disabled = false;
          this.showState = false;
          this.label = null;
          this.value = null;
          this.activatedValue = null;
          this.listOfSelectedValue = [];
          this.icon = null;
          this.itemClick = new core.EventEmitter();
          this.itemHover = new core.EventEmitter();
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-item', 'ant-select-item-option');
      }
      NzOptionItemComponent.prototype.onHostMouseEnter = function () {
          if (!this.disabled) {
              this.itemHover.next(this.value);
          }
      };
      NzOptionItemComponent.prototype.onHostClick = function () {
          if (!this.disabled) {
              this.itemClick.next(this.value);
          }
      };
      NzOptionItemComponent.prototype.ngOnChanges = function (changes) {
          var _this = this;
          var value = changes.value, activatedValue = changes.activatedValue, listOfSelectedValue = changes.listOfSelectedValue;
          if (value || listOfSelectedValue) {
              this.selected = this.listOfSelectedValue.some(function (v) { return _this.compareWith(v, _this.value); });
          }
          if (value || activatedValue) {
              this.activated = this.compareWith(this.activatedValue, this.value);
          }
      };
      return NzOptionItemComponent;
  }());
  NzOptionItemComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-option-item',
                  template: "\n    <div class=\"ant-select-item-option-content\">\n      <ng-container *ngIf=\"!customContent\">{{ label }}</ng-container>\n      <ng-container *ngIf=\"customContent\">\n        <ng-template [ngTemplateOutlet]=\"template\"></ng-template>\n      </ng-container>\n    </div>\n    <div *ngIf=\"showState && selected\" class=\"ant-select-item-option-state\" style=\"user-select: none\" unselectable=\"on\">\n      <i nz-icon nzType=\"check\" class=\"ant-select-selected-icon\" *ngIf=\"!icon; else icon\"></i>\n    </div>\n  ",
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  encapsulation: core.ViewEncapsulation.None,
                  host: {
                      '[attr.title]': 'label',
                      '[class.ant-select-item-option-grouped]': 'grouped',
                      '[class.ant-select-item-option-selected]': 'selected && !disabled',
                      '[class.ant-select-item-option-disabled]': 'disabled',
                      '[class.ant-select-item-option-active]': 'activated && !disabled',
                      '(mouseenter)': 'onHostMouseEnter()',
                      '(click)': 'onHostClick()'
                  }
              },] }
  ];
  NzOptionItemComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzOptionItemComponent.propDecorators = {
      grouped: [{ type: core.Input }],
      customContent: [{ type: core.Input }],
      template: [{ type: core.Input }],
      disabled: [{ type: core.Input }],
      showState: [{ type: core.Input }],
      label: [{ type: core.Input }],
      value: [{ type: core.Input }],
      activatedValue: [{ type: core.Input }],
      listOfSelectedValue: [{ type: core.Input }],
      icon: [{ type: core.Input }],
      compareWith: [{ type: core.Input }],
      itemClick: [{ type: core.Output }],
      itemHover: [{ type: core.Output }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzSelectArrowComponent = /** @class */ (function () {
      function NzSelectArrowComponent(elementRef) {
          this.elementRef = elementRef;
          this.loading = false;
          this.search = false;
          this.suffixIcon = null;
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-arrow');
      }
      return NzSelectArrowComponent;
  }());
  NzSelectArrowComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select-arrow',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <i nz-icon nzType=\"loading\" *ngIf=\"loading; else defaultArrow\"></i>\n    <ng-template #defaultArrow>\n      <ng-container *ngIf=\"!suffixIcon; else suffixTemplate\">\n        <i nz-icon nzType=\"down\" *ngIf=\"!search\"></i>\n        <i nz-icon nzType=\"search\" *ngIf=\"search\"></i>\n      </ng-container>\n      <ng-template #suffixTemplate>\n        <ng-container *nzStringTemplateOutlet=\"suffixIcon; let suffixIcon\">\n          <i nz-icon [nzType]=\"suffixIcon\"></i>\n        </ng-container>\n      </ng-template>\n    </ng-template>\n  ",
                  host: {
                      '[class.ant-select-arrow-loading]': 'loading'
                  }
              },] }
  ];
  NzSelectArrowComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzSelectArrowComponent.propDecorators = {
      loading: [{ type: core.Input }],
      search: [{ type: core.Input }],
      suffixIcon: [{ type: core.Input }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzSelectClearComponent = /** @class */ (function () {
      function NzSelectClearComponent(elementRef) {
          this.elementRef = elementRef;
          this.clearIcon = null;
          this.clear = new core.EventEmitter();
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-clear');
      }
      NzSelectClearComponent.prototype.onClick = function (e) {
          e.preventDefault();
          e.stopPropagation();
          this.clear.emit(e);
      };
      return NzSelectClearComponent;
  }());
  NzSelectClearComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select-clear',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <i nz-icon nzType=\"close-circle\" nzTheme=\"fill\" *ngIf=\"!clearIcon; else clearIcon\" class=\"ant-select-close-icon\"></i>\n  ",
                  host: {
                      '(click)': 'onClick($event)'
                  }
              },] }
  ];
  NzSelectClearComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzSelectClearComponent.propDecorators = {
      clearIcon: [{ type: core.Input }],
      clear: [{ type: core.Output }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzSelectItemComponent = /** @class */ (function () {
      function NzSelectItemComponent(elementRef) {
          this.elementRef = elementRef;
          this.disabled = false;
          this.label = null;
          this.deletable = false;
          this.removeIcon = null;
          this.contentTemplateOutletContext = null;
          this.contentTemplateOutlet = null;
          this.delete = new core.EventEmitter();
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-selection-item');
      }
      NzSelectItemComponent.prototype.onDelete = function (e) {
          e.preventDefault();
          e.stopPropagation();
          if (!this.disabled) {
              this.delete.next(e);
          }
      };
      return NzSelectItemComponent;
  }());
  NzSelectItemComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select-item',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <ng-container *nzStringTemplateOutlet=\"contentTemplateOutlet; context: { $implicit: contentTemplateOutletContext }\">\n      <div class=\"ant-select-selection-item-content\" *ngIf=\"deletable; else labelTemplate\">{{ label }}</div>\n      <ng-template #labelTemplate>{{ label }}</ng-template>\n    </ng-container>\n    <span *ngIf=\"deletable && !disabled\" class=\"ant-select-selection-item-remove\" (click)=\"onDelete($event)\">\n      <i nz-icon nzType=\"close\" *ngIf=\"!removeIcon; else removeIcon\"></i>\n    </span>\n  ",
                  host: {
                      '[attr.title]': 'label',
                      '[class.ant-select-selection-item-disabled]': 'disabled'
                  }
              },] }
  ];
  NzSelectItemComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzSelectItemComponent.propDecorators = {
      disabled: [{ type: core.Input }],
      label: [{ type: core.Input }],
      deletable: [{ type: core.Input }],
      removeIcon: [{ type: core.Input }],
      contentTemplateOutletContext: [{ type: core.Input }],
      contentTemplateOutlet: [{ type: core.Input }],
      delete: [{ type: core.Output }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzSelectPlaceholderComponent = /** @class */ (function () {
      function NzSelectPlaceholderComponent(elementRef) {
          this.elementRef = elementRef;
          this.placeholder = null;
          // TODO: move to host after View Engine deprecation
          this.elementRef.nativeElement.classList.add('ant-select-selection-placeholder');
      }
      return NzSelectPlaceholderComponent;
  }());
  NzSelectPlaceholderComponent.decorators = [
      { type: core.Component, args: [{
                  selector: 'nz-select-placeholder',
                  encapsulation: core.ViewEncapsulation.None,
                  changeDetection: core.ChangeDetectionStrategy.OnPush,
                  template: "\n    <ng-container *nzStringTemplateOutlet=\"placeholder\">\n      {{ placeholder }}\n    </ng-container>\n  "
              },] }
  ];
  NzSelectPlaceholderComponent.ctorParameters = function () { return [
      { type: core.ElementRef }
  ]; };
  NzSelectPlaceholderComponent.propDecorators = {
      placeholder: [{ type: core.Input }]
  };

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */
  var NzSelectModule = /** @class */ (function () {
      function NzSelectModule() {
      }
      return NzSelectModule;
  }());
  NzSelectModule.decorators = [
      { type: core.NgModule, args: [{
                  imports: [
                      bidi.BidiModule,
                      common.CommonModule,
                      i18n.NzI18nModule,
                      forms.FormsModule,
                      platform.PlatformModule,
                      overlay.OverlayModule,
                      icon.NzIconModule,
                      outlet.NzOutletModule,
                      empty.NzEmptyModule,
                      overlay$1.NzOverlayModule,
                      noAnimation.NzNoAnimationModule,
                      transitionPatch.ɵNzTransitionPatchModule,
                      scrolling.ScrollingModule,
                      a11y.A11yModule
                  ],
                  declarations: [
                      NzOptionComponent,
                      NzSelectComponent,
                      NzOptionContainerComponent,
                      NzOptionGroupComponent,
                      NzOptionItemComponent,
                      NzSelectTopControlComponent,
                      NzSelectSearchComponent,
                      NzSelectItemComponent,
                      NzSelectClearComponent,
                      NzSelectArrowComponent,
                      NzSelectPlaceholderComponent,
                      NzOptionItemGroupComponent
                  ],
                  exports: [
                      NzOptionComponent,
                      NzSelectComponent,
                      NzOptionGroupComponent,
                      NzSelectArrowComponent,
                      NzSelectClearComponent,
                      NzSelectItemComponent,
                      NzSelectPlaceholderComponent,
                      NzSelectSearchComponent
                  ]
              },] }
  ];

  /**
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
   */

  /**
   * Generated bundle index. Do not edit.
   */

  exports.NzOptionComponent = NzOptionComponent;
  exports.NzOptionContainerComponent = NzOptionContainerComponent;
  exports.NzOptionGroupComponent = NzOptionGroupComponent;
  exports.NzOptionItemComponent = NzOptionItemComponent;
  exports.NzOptionItemGroupComponent = NzOptionItemGroupComponent;
  exports.NzSelectArrowComponent = NzSelectArrowComponent;
  exports.NzSelectClearComponent = NzSelectClearComponent;
  exports.NzSelectComponent = NzSelectComponent;
  exports.NzSelectItemComponent = NzSelectItemComponent;
  exports.NzSelectModule = NzSelectModule;
  exports.NzSelectPlaceholderComponent = NzSelectPlaceholderComponent;
  exports.NzSelectSearchComponent = NzSelectSearchComponent;
  exports.NzSelectTopControlComponent = NzSelectTopControlComponent;
  exports.ɵ0 = ɵ0;

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

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