Index: trip-planner-front/node_modules/primeng/fesm2015/primeng-dropdown.mjs
===================================================================
--- trip-planner-front/node_modules/primeng/fesm2015/primeng-dropdown.mjs	(revision 59329aad30ff25ec5095bb7ffb78ddb59b7dc111)
+++ trip-planner-front/node_modules/primeng/fesm2015/primeng-dropdown.mjs	(revision 59329aad30ff25ec5095bb7ffb78ddb59b7dc111)
@@ -0,0 +1,1207 @@
+import * as i4 from '@angular/cdk/scrolling';
+import { CdkVirtualScrollViewport, ScrollingModule } from '@angular/cdk/scrolling';
+import * as i0 from '@angular/core';
+import { forwardRef, EventEmitter, Component, Input, Output, ChangeDetectionStrategy, ViewEncapsulation, ViewChild, ContentChildren, NgModule } from '@angular/core';
+import { trigger, transition, style, animate } from '@angular/animations';
+import * as i2 from '@angular/common';
+import { CommonModule } from '@angular/common';
+import * as i3 from 'primeng/api';
+import { TranslationKeys, PrimeTemplate, SharedModule } from 'primeng/api';
+import { DomHandler, ConnectedOverlayScrollHandler } from 'primeng/dom';
+import { UniqueComponentId, ObjectUtils, ZIndexUtils } from 'primeng/utils';
+import { NG_VALUE_ACCESSOR } from '@angular/forms';
+import * as i5 from 'primeng/tooltip';
+import { TooltipModule } from 'primeng/tooltip';
+import * as i1 from 'primeng/ripple';
+import { RippleModule } from 'primeng/ripple';
+
+const DROPDOWN_VALUE_ACCESSOR = {
+    provide: NG_VALUE_ACCESSOR,
+    useExisting: forwardRef(() => Dropdown),
+    multi: true
+};
+class DropdownItem {
+    constructor() {
+        this.onClick = new EventEmitter();
+    }
+    onOptionClick(event) {
+        this.onClick.emit({
+            originalEvent: event,
+            option: this.option
+        });
+    }
+}
+DropdownItem.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: DropdownItem, deps: [], target: i0.ɵɵFactoryTarget.Component });
+DropdownItem.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.0.0", type: DropdownItem, selector: "p-dropdownItem", inputs: { option: "option", selected: "selected", label: "label", disabled: "disabled", visible: "visible", itemSize: "itemSize", template: "template" }, outputs: { onClick: "onClick" }, host: { classAttribute: "p-element" }, ngImport: i0, template: `
+        <li (click)="onOptionClick($event)" role="option" pRipple
+            [attr.aria-label]="label" [attr.aria-selected]="selected"
+            [ngStyle]="{'height': itemSize + 'px'}" [id]="selected ? 'p-highlighted-option':''"
+            [ngClass]="{'p-dropdown-item':true, 'p-highlight': selected, 'p-disabled': disabled}">
+            <span *ngIf="!template">{{label||'empty'}}</span>
+            <ng-container *ngTemplateOutlet="template; context: {$implicit: option}"></ng-container>
+        </li>
+    `, isInline: true, directives: [{ type: i1.Ripple, selector: "[pRipple]" }, { type: i2.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { type: i2.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i2.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { type: i2.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }] });
+i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: DropdownItem, decorators: [{
+            type: Component,
+            args: [{
+                    selector: 'p-dropdownItem',
+                    template: `
+        <li (click)="onOptionClick($event)" role="option" pRipple
+            [attr.aria-label]="label" [attr.aria-selected]="selected"
+            [ngStyle]="{'height': itemSize + 'px'}" [id]="selected ? 'p-highlighted-option':''"
+            [ngClass]="{'p-dropdown-item':true, 'p-highlight': selected, 'p-disabled': disabled}">
+            <span *ngIf="!template">{{label||'empty'}}</span>
+            <ng-container *ngTemplateOutlet="template; context: {$implicit: option}"></ng-container>
+        </li>
+    `,
+                    host: {
+                        'class': 'p-element'
+                    }
+                }]
+        }], propDecorators: { option: [{
+                type: Input
+            }], selected: [{
+                type: Input
+            }], label: [{
+                type: Input
+            }], disabled: [{
+                type: Input
+            }], visible: [{
+                type: Input
+            }], itemSize: [{
+                type: Input
+            }], template: [{
+                type: Input
+            }], onClick: [{
+                type: Output
+            }] } });
+class Dropdown {
+    constructor(el, renderer, cd, zone, filterService, config, overlayService) {
+        this.el = el;
+        this.renderer = renderer;
+        this.cd = cd;
+        this.zone = zone;
+        this.filterService = filterService;
+        this.config = config;
+        this.overlayService = overlayService;
+        this.scrollHeight = '200px';
+        this.resetFilterOnHide = false;
+        this.dropdownIcon = 'pi pi-chevron-down';
+        this.optionGroupChildren = "items";
+        this.autoDisplayFirst = true;
+        this.emptyFilterMessage = '';
+        this.emptyMessage = '';
+        this.autoZIndex = true;
+        this.baseZIndex = 0;
+        this.showTransitionOptions = '.12s cubic-bezier(0, 0, 0.2, 1)';
+        this.hideTransitionOptions = '.1s linear';
+        this.filterMatchMode = "contains";
+        this.tooltip = '';
+        this.tooltipPosition = 'right';
+        this.tooltipPositionStyle = 'absolute';
+        this.autofocusFilter = true;
+        this.onChange = new EventEmitter();
+        this.onFilter = new EventEmitter();
+        this.onFocus = new EventEmitter();
+        this.onBlur = new EventEmitter();
+        this.onClick = new EventEmitter();
+        this.onShow = new EventEmitter();
+        this.onHide = new EventEmitter();
+        this.onClear = new EventEmitter();
+        this.onModelChange = () => { };
+        this.onModelTouched = () => { };
+        this.viewPortOffsetTop = 0;
+        this.id = UniqueComponentId();
+    }
+    get disabled() {
+        return this._disabled;
+    }
+    ;
+    set disabled(_disabled) {
+        if (_disabled) {
+            this.focused = false;
+            if (this.overlayVisible)
+                this.hide();
+        }
+        this._disabled = _disabled;
+        if (!this.cd.destroyed) {
+            this.cd.detectChanges();
+        }
+    }
+    ngAfterContentInit() {
+        this.templates.forEach((item) => {
+            switch (item.getType()) {
+                case 'item':
+                    this.itemTemplate = item.template;
+                    break;
+                case 'selectedItem':
+                    this.selectedItemTemplate = item.template;
+                    break;
+                case 'header':
+                    this.headerTemplate = item.template;
+                    break;
+                case 'footer':
+                    this.footerTemplate = item.template;
+                    break;
+                case 'emptyfilter':
+                    this.emptyFilterTemplate = item.template;
+                    break;
+                case 'empty':
+                    this.emptyTemplate = item.template;
+                    break;
+                case 'group':
+                    this.groupTemplate = item.template;
+                    break;
+                default:
+                    this.itemTemplate = item.template;
+                    break;
+            }
+        });
+    }
+    ngOnInit() {
+        this.optionsToDisplay = this.options;
+        this.updateSelectedOption(null);
+        this.labelId = this.id + '_label';
+        this.listId = this.id + '_list';
+    }
+    get options() {
+        return this._options;
+    }
+    set options(val) {
+        this._options = val;
+        this.optionsToDisplay = this._options;
+        this.updateSelectedOption(this.value);
+        this.optionsChanged = true;
+        if (this._filterValue && this._filterValue.length) {
+            this.activateFilter();
+        }
+    }
+    get filterValue() {
+        return this._filterValue;
+    }
+    set filterValue(val) {
+        this._filterValue = val;
+        this.activateFilter();
+    }
+    ngAfterViewInit() {
+        if (this.editable) {
+            this.updateEditableLabel();
+        }
+    }
+    get label() {
+        return this.selectedOption ? this.getOptionLabel(this.selectedOption) : null;
+    }
+    get emptyMessageLabel() {
+        return this.emptyMessage || this.config.getTranslation(TranslationKeys.EMPTY_MESSAGE);
+    }
+    get emptyFilterMessageLabel() {
+        return this.emptyFilterMessage || this.config.getTranslation(TranslationKeys.EMPTY_FILTER_MESSAGE);
+    }
+    get filled() {
+        return this.value || this.value != null || this.value != undefined;
+    }
+    updateEditableLabel() {
+        if (this.editableInputViewChild && this.editableInputViewChild.nativeElement) {
+            this.editableInputViewChild.nativeElement.value = (this.selectedOption ? this.getOptionLabel(this.selectedOption) : this.value || '');
+        }
+    }
+    getOptionLabel(option) {
+        return this.optionLabel ? ObjectUtils.resolveFieldData(option, this.optionLabel) : (option.label != undefined ? option.label : option);
+    }
+    getOptionValue(option) {
+        return this.optionValue ? ObjectUtils.resolveFieldData(option, this.optionValue) : (this.optionLabel || option.value === undefined ? option : option.value);
+    }
+    isOptionDisabled(option) {
+        return this.optionDisabled ? ObjectUtils.resolveFieldData(option, this.optionDisabled) : (option.disabled !== undefined ? option.disabled : false);
+    }
+    getOptionGroupLabel(optionGroup) {
+        return this.optionGroupLabel ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel) : (optionGroup.label != undefined ? optionGroup.label : optionGroup);
+    }
+    getOptionGroupChildren(optionGroup) {
+        return this.optionGroupChildren ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren) : optionGroup.items;
+    }
+    onItemClick(event) {
+        const option = event.option;
+        if (!this.isOptionDisabled(option)) {
+            this.selectItem(event, option);
+            this.accessibleViewChild.nativeElement.focus();
+        }
+        setTimeout(() => {
+            this.hide();
+        }, 150);
+    }
+    selectItem(event, option) {
+        if (this.selectedOption != option) {
+            this.selectedOption = option;
+            this.value = this.getOptionValue(option);
+            this.onModelChange(this.value);
+            this.updateEditableLabel();
+            this.onChange.emit({
+                originalEvent: event.originalEvent,
+                value: this.value
+            });
+            if (this.virtualScroll) {
+                setTimeout(() => {
+                    this.viewPortOffsetTop = this.viewPort ? this.viewPort.measureScrollOffset() : 0;
+                }, 1);
+            }
+        }
+    }
+    ngAfterViewChecked() {
+        if (this.optionsChanged && this.overlayVisible) {
+            this.optionsChanged = false;
+            if (this.virtualScroll) {
+                this.updateVirtualScrollSelectedIndex(true);
+            }
+            this.zone.runOutsideAngular(() => {
+                setTimeout(() => {
+                    this.alignOverlay();
+                }, 1);
+            });
+        }
+        if (this.selectedOptionUpdated && this.itemsWrapper) {
+            if (this.virtualScroll && this.viewPort) {
+                let range = this.viewPort.getRenderedRange();
+                this.updateVirtualScrollSelectedIndex(false);
+                if (range.start > this.virtualScrollSelectedIndex || range.end < this.virtualScrollSelectedIndex) {
+                    this.viewPort.scrollToIndex(this.virtualScrollSelectedIndex);
+                }
+            }
+            let selectedItem = DomHandler.findSingle(this.overlay, 'li.p-highlight');
+            if (selectedItem) {
+                DomHandler.scrollInView(this.itemsWrapper, DomHandler.findSingle(this.overlay, 'li.p-highlight'));
+            }
+            this.selectedOptionUpdated = false;
+        }
+    }
+    writeValue(value) {
+        if (this.filter) {
+            this.resetFilter();
+        }
+        this.value = value;
+        this.updateSelectedOption(value);
+        this.updateEditableLabel();
+        this.cd.markForCheck();
+    }
+    resetFilter() {
+        this._filterValue = null;
+        if (this.filterViewChild && this.filterViewChild.nativeElement) {
+            this.filterViewChild.nativeElement.value = '';
+        }
+        this.optionsToDisplay = this.options;
+    }
+    updateSelectedOption(val) {
+        this.selectedOption = this.findOption(val, this.optionsToDisplay);
+        if (this.autoDisplayFirst && !this.placeholder && !this.selectedOption && this.optionsToDisplay && this.optionsToDisplay.length && !this.editable) {
+            this.selectedOption = this.optionsToDisplay[0];
+            this.value = this.getOptionValue(this.selectedOption);
+            this.onModelChange(this.value);
+        }
+        this.selectedOptionUpdated = true;
+    }
+    registerOnChange(fn) {
+        this.onModelChange = fn;
+    }
+    registerOnTouched(fn) {
+        this.onModelTouched = fn;
+    }
+    setDisabledState(val) {
+        this.disabled = val;
+        this.cd.markForCheck();
+    }
+    onMouseclick(event) {
+        if (this.disabled || this.readonly || this.isInputClick(event)) {
+            return;
+        }
+        this.onClick.emit(event);
+        this.accessibleViewChild.nativeElement.focus();
+        if (this.overlayVisible)
+            this.hide();
+        else
+            this.show();
+        this.cd.detectChanges();
+    }
+    onOverlayClick(event) {
+        this.overlayService.add({
+            originalEvent: event,
+            target: this.el.nativeElement
+        });
+    }
+    isInputClick(event) {
+        return DomHandler.hasClass(event.target, 'p-dropdown-clear-icon') ||
+            event.target.isSameNode(this.accessibleViewChild.nativeElement) ||
+            (this.editableInputViewChild && event.target.isSameNode(this.editableInputViewChild.nativeElement));
+    }
+    isOutsideClicked(event) {
+        return !(this.el.nativeElement.isSameNode(event.target) || this.el.nativeElement.contains(event.target) || (this.overlay && this.overlay.contains(event.target)));
+    }
+    isEmpty() {
+        return !this.optionsToDisplay || (this.optionsToDisplay && this.optionsToDisplay.length === 0);
+    }
+    onEditableInputClick() {
+        this.bindDocumentClickListener();
+    }
+    onEditableInputFocus(event) {
+        this.focused = true;
+        this.hide();
+        this.onFocus.emit(event);
+    }
+    onEditableInputChange(event) {
+        this.value = event.target.value;
+        this.updateSelectedOption(this.value);
+        this.onModelChange(this.value);
+        this.onChange.emit({
+            originalEvent: event,
+            value: this.value
+        });
+    }
+    show() {
+        this.overlayVisible = true;
+    }
+    onOverlayAnimationStart(event) {
+        switch (event.toState) {
+            case 'visible':
+                this.overlay = event.element;
+                let itemsWrapperSelector = this.virtualScroll ? '.cdk-virtual-scroll-viewport' : '.p-dropdown-items-wrapper';
+                this.itemsWrapper = DomHandler.findSingle(this.overlay, itemsWrapperSelector);
+                this.appendOverlay();
+                if (this.autoZIndex) {
+                    ZIndexUtils.set('overlay', this.overlay, this.baseZIndex + this.config.zIndex.overlay);
+                }
+                this.alignOverlay();
+                this.bindDocumentClickListener();
+                this.bindDocumentResizeListener();
+                this.bindScrollListener();
+                if (this.options && this.options.length) {
+                    if (!this.virtualScroll) {
+                        let selectedListItem = DomHandler.findSingle(this.itemsWrapper, '.p-dropdown-item.p-highlight');
+                        if (selectedListItem) {
+                            selectedListItem.scrollIntoView({ block: 'nearest', inline: 'start' });
+                        }
+                    }
+                }
+                if (this.filterViewChild && this.filterViewChild.nativeElement) {
+                    this.preventModelTouched = true;
+                    if (this.autofocusFilter) {
+                        this.filterViewChild.nativeElement.focus();
+                    }
+                }
+                this.onShow.emit(event);
+                break;
+            case 'void':
+                this.onOverlayHide();
+                this.onHide.emit(event);
+                break;
+        }
+    }
+    onOverlayAnimationEnd(event) {
+        switch (event.toState) {
+            case 'void':
+                ZIndexUtils.clear(event.element);
+                break;
+        }
+    }
+    scrollToSelectedVirtualScrollElement() {
+        if (!this.virtualAutoScrolled) {
+            if (this.viewPortOffsetTop) {
+                this.viewPort.scrollToOffset(this.viewPortOffsetTop);
+            }
+            else if (this.virtualScrollSelectedIndex > -1) {
+                this.viewPort.scrollToIndex(this.virtualScrollSelectedIndex);
+            }
+        }
+        this.virtualAutoScrolled = true;
+    }
+    updateVirtualScrollSelectedIndex(resetOffset) {
+        if (this.selectedOption && this.optionsToDisplay && this.optionsToDisplay.length) {
+            if (resetOffset) {
+                this.viewPortOffsetTop = 0;
+            }
+            this.virtualScrollSelectedIndex = this.findOptionIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay);
+        }
+    }
+    appendOverlay() {
+        if (this.appendTo) {
+            if (this.appendTo === 'body')
+                document.body.appendChild(this.overlay);
+            else
+                DomHandler.appendChild(this.overlay, this.appendTo);
+            if (!this.overlay.style.minWidth) {
+                this.overlay.style.minWidth = DomHandler.getWidth(this.containerViewChild.nativeElement) + 'px';
+            }
+        }
+    }
+    restoreOverlayAppend() {
+        if (this.overlay && this.appendTo) {
+            this.el.nativeElement.appendChild(this.overlay);
+        }
+    }
+    hide() {
+        this.overlayVisible = false;
+        if (this.filter && this.resetFilterOnHide) {
+            this.resetFilter();
+        }
+        if (this.virtualScroll) {
+            this.virtualAutoScrolled = false;
+        }
+        this.cd.markForCheck();
+    }
+    alignOverlay() {
+        if (this.overlay) {
+            if (this.appendTo)
+                DomHandler.absolutePosition(this.overlay, this.containerViewChild.nativeElement);
+            else
+                DomHandler.relativePosition(this.overlay, this.containerViewChild.nativeElement);
+        }
+    }
+    onInputFocus(event) {
+        this.focused = true;
+        this.onFocus.emit(event);
+    }
+    onInputBlur(event) {
+        this.focused = false;
+        this.onBlur.emit(event);
+        if (!this.preventModelTouched) {
+            this.onModelTouched();
+        }
+        this.preventModelTouched = false;
+    }
+    findPrevEnabledOption(index) {
+        let prevEnabledOption;
+        if (this.optionsToDisplay && this.optionsToDisplay.length) {
+            for (let i = (index - 1); 0 <= i; i--) {
+                let option = this.optionsToDisplay[i];
+                if (option.disabled) {
+                    continue;
+                }
+                else {
+                    prevEnabledOption = option;
+                    break;
+                }
+            }
+            if (!prevEnabledOption) {
+                for (let i = this.optionsToDisplay.length - 1; i >= index; i--) {
+                    let option = this.optionsToDisplay[i];
+                    if (this.isOptionDisabled(option)) {
+                        continue;
+                    }
+                    else {
+                        prevEnabledOption = option;
+                        break;
+                    }
+                }
+            }
+        }
+        return prevEnabledOption;
+    }
+    findNextEnabledOption(index) {
+        let nextEnabledOption;
+        if (this.optionsToDisplay && this.optionsToDisplay.length) {
+            for (let i = (index + 1); i < this.optionsToDisplay.length; i++) {
+                let option = this.optionsToDisplay[i];
+                if (this.isOptionDisabled(option)) {
+                    continue;
+                }
+                else {
+                    nextEnabledOption = option;
+                    break;
+                }
+            }
+            if (!nextEnabledOption) {
+                for (let i = 0; i < index; i++) {
+                    let option = this.optionsToDisplay[i];
+                    if (this.isOptionDisabled(option)) {
+                        continue;
+                    }
+                    else {
+                        nextEnabledOption = option;
+                        break;
+                    }
+                }
+            }
+        }
+        return nextEnabledOption;
+    }
+    onKeydown(event, search) {
+        if (this.readonly || !this.optionsToDisplay || this.optionsToDisplay.length === null) {
+            return;
+        }
+        switch (event.which) {
+            //down
+            case 40:
+                if (!this.overlayVisible && event.altKey) {
+                    this.show();
+                }
+                else {
+                    if (this.group) {
+                        let selectedItemIndex = this.selectedOption ? this.findOptionGroupIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay) : -1;
+                        if (selectedItemIndex !== -1) {
+                            let nextItemIndex = selectedItemIndex.itemIndex + 1;
+                            if (nextItemIndex < (this.getOptionGroupChildren(this.optionsToDisplay[selectedItemIndex.groupIndex]).length)) {
+                                this.selectItem(event, this.getOptionGroupChildren(this.optionsToDisplay[selectedItemIndex.groupIndex])[nextItemIndex]);
+                                this.selectedOptionUpdated = true;
+                            }
+                            else if (this.optionsToDisplay[selectedItemIndex.groupIndex + 1]) {
+                                this.selectItem(event, this.getOptionGroupChildren(this.optionsToDisplay[selectedItemIndex.groupIndex + 1])[0]);
+                                this.selectedOptionUpdated = true;
+                            }
+                        }
+                        else {
+                            if (this.optionsToDisplay && this.optionsToDisplay.length > 0) {
+                                this.selectItem(event, this.getOptionGroupChildren(this.optionsToDisplay[0])[0]);
+                            }
+                        }
+                    }
+                    else {
+                        let selectedItemIndex = this.selectedOption ? this.findOptionIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay) : -1;
+                        let nextEnabledOption = this.findNextEnabledOption(selectedItemIndex);
+                        if (nextEnabledOption) {
+                            this.selectItem(event, nextEnabledOption);
+                            this.selectedOptionUpdated = true;
+                        }
+                    }
+                }
+                event.preventDefault();
+                break;
+            //up
+            case 38:
+                if (this.group) {
+                    let selectedItemIndex = this.selectedOption ? this.findOptionGroupIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay) : -1;
+                    if (selectedItemIndex !== -1) {
+                        let prevItemIndex = selectedItemIndex.itemIndex - 1;
+                        if (prevItemIndex >= 0) {
+                            this.selectItem(event, this.getOptionGroupChildren(this.optionsToDisplay[selectedItemIndex.groupIndex])[prevItemIndex]);
+                            this.selectedOptionUpdated = true;
+                        }
+                        else if (prevItemIndex < 0) {
+                            let prevGroup = this.optionsToDisplay[selectedItemIndex.groupIndex - 1];
+                            if (prevGroup) {
+                                this.selectItem(event, this.getOptionGroupChildren(prevGroup)[this.getOptionGroupChildren(prevGroup).length - 1]);
+                                this.selectedOptionUpdated = true;
+                            }
+                        }
+                    }
+                }
+                else {
+                    let selectedItemIndex = this.selectedOption ? this.findOptionIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay) : -1;
+                    let prevEnabledOption = this.findPrevEnabledOption(selectedItemIndex);
+                    if (prevEnabledOption) {
+                        this.selectItem(event, prevEnabledOption);
+                        this.selectedOptionUpdated = true;
+                    }
+                }
+                event.preventDefault();
+                break;
+            //space
+            case 32:
+                if (search) {
+                    if (!this.overlayVisible) {
+                        this.show();
+                    }
+                    else {
+                        this.hide();
+                    }
+                    event.preventDefault();
+                }
+                break;
+            //enter
+            case 13:
+                if (this.overlayVisible && (!this.filter || (this.optionsToDisplay && this.optionsToDisplay.length > 0))) {
+                    this.hide();
+                }
+                else if (!this.overlayVisible) {
+                    this.show();
+                }
+                event.preventDefault();
+                break;
+            //escape and tab
+            case 27:
+            case 9:
+                this.hide();
+                break;
+            //search item based on keyboard input
+            default:
+                if (search && !event.metaKey) {
+                    this.search(event);
+                }
+                break;
+        }
+    }
+    search(event) {
+        if (this.searchTimeout) {
+            clearTimeout(this.searchTimeout);
+        }
+        const char = event.key;
+        this.previousSearchChar = this.currentSearchChar;
+        this.currentSearchChar = char;
+        if (this.previousSearchChar === this.currentSearchChar)
+            this.searchValue = this.currentSearchChar;
+        else
+            this.searchValue = this.searchValue ? this.searchValue + char : char;
+        let newOption;
+        if (this.group) {
+            let searchIndex = this.selectedOption ? this.findOptionGroupIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay) : { groupIndex: 0, itemIndex: 0 };
+            newOption = this.searchOptionWithinGroup(searchIndex);
+        }
+        else {
+            let searchIndex = this.selectedOption ? this.findOptionIndex(this.getOptionValue(this.selectedOption), this.optionsToDisplay) : -1;
+            newOption = this.searchOption(++searchIndex);
+        }
+        if (newOption && !this.isOptionDisabled(newOption)) {
+            this.selectItem(event, newOption);
+            this.selectedOptionUpdated = true;
+        }
+        this.searchTimeout = setTimeout(() => {
+            this.searchValue = null;
+        }, 250);
+    }
+    searchOption(index) {
+        let option;
+        if (this.searchValue) {
+            option = this.searchOptionInRange(index, this.optionsToDisplay.length);
+            if (!option) {
+                option = this.searchOptionInRange(0, index);
+            }
+        }
+        return option;
+    }
+    searchOptionInRange(start, end) {
+        for (let i = start; i < end; i++) {
+            let opt = this.optionsToDisplay[i];
+            if (this.getOptionLabel(opt).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale)) && !this.isOptionDisabled(opt)) {
+                return opt;
+            }
+        }
+        return null;
+    }
+    searchOptionWithinGroup(index) {
+        let option;
+        if (this.searchValue) {
+            for (let i = index.groupIndex; i < this.optionsToDisplay.length; i++) {
+                for (let j = (index.groupIndex === i) ? (index.itemIndex + 1) : 0; j < this.getOptionGroupChildren(this.optionsToDisplay[i]).length; j++) {
+                    let opt = this.getOptionGroupChildren(this.optionsToDisplay[i])[j];
+                    if (this.getOptionLabel(opt).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale)) && !this.isOptionDisabled(opt)) {
+                        return opt;
+                    }
+                }
+            }
+            if (!option) {
+                for (let i = 0; i <= index.groupIndex; i++) {
+                    for (let j = 0; j < ((index.groupIndex === i) ? index.itemIndex : this.getOptionGroupChildren(this.optionsToDisplay[i]).length); j++) {
+                        let opt = this.getOptionGroupChildren(this.optionsToDisplay[i])[j];
+                        if (this.getOptionLabel(opt).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale)) && !this.isOptionDisabled(opt)) {
+                            return opt;
+                        }
+                    }
+                }
+            }
+        }
+        return null;
+    }
+    findOptionIndex(val, opts) {
+        let index = -1;
+        if (opts) {
+            for (let i = 0; i < opts.length; i++) {
+                if ((val == null && this.getOptionValue(opts[i]) == null) || ObjectUtils.equals(val, this.getOptionValue(opts[i]), this.dataKey)) {
+                    index = i;
+                    break;
+                }
+            }
+        }
+        return index;
+    }
+    findOptionGroupIndex(val, opts) {
+        let groupIndex, itemIndex;
+        if (opts) {
+            for (let i = 0; i < opts.length; i++) {
+                groupIndex = i;
+                itemIndex = this.findOptionIndex(val, this.getOptionGroupChildren(opts[i]));
+                if (itemIndex !== -1) {
+                    break;
+                }
+            }
+        }
+        if (itemIndex !== -1) {
+            return { groupIndex: groupIndex, itemIndex: itemIndex };
+        }
+        else {
+            return -1;
+        }
+    }
+    findOption(val, opts, inGroup) {
+        if (this.group && !inGroup) {
+            let opt;
+            if (opts && opts.length) {
+                for (let optgroup of opts) {
+                    opt = this.findOption(val, this.getOptionGroupChildren(optgroup), true);
+                    if (opt) {
+                        break;
+                    }
+                }
+            }
+            return opt;
+        }
+        else {
+            let index = this.findOptionIndex(val, opts);
+            return (index != -1) ? opts[index] : null;
+        }
+    }
+    onFilterInputChange(event) {
+        let inputValue = event.target.value;
+        if (inputValue && inputValue.length) {
+            this._filterValue = inputValue;
+            this.activateFilter();
+        }
+        else {
+            this._filterValue = null;
+            this.optionsToDisplay = this.options;
+        }
+        this.optionsChanged = true;
+        this.onFilter.emit({ originalEvent: event, filter: this._filterValue });
+    }
+    activateFilter() {
+        let searchFields = (this.filterBy || this.optionLabel || 'label').split(',');
+        if (this.options && this.options.length) {
+            if (this.group) {
+                let filteredGroups = [];
+                for (let optgroup of this.options) {
+                    let filteredSubOptions = this.filterService.filter(this.getOptionGroupChildren(optgroup), searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
+                    if (filteredSubOptions && filteredSubOptions.length) {
+                        filteredGroups.push(Object.assign(Object.assign({}, optgroup), { [this.optionGroupChildren]: filteredSubOptions }));
+                    }
+                }
+                this.optionsToDisplay = filteredGroups;
+            }
+            else {
+                this.optionsToDisplay = this.filterService.filter(this.options, searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
+            }
+            this.optionsChanged = true;
+        }
+    }
+    applyFocus() {
+        if (this.editable)
+            DomHandler.findSingle(this.el.nativeElement, '.p-dropdown-label.p-inputtext').focus();
+        else
+            DomHandler.findSingle(this.el.nativeElement, 'input[readonly]').focus();
+    }
+    focus() {
+        this.applyFocus();
+    }
+    bindDocumentClickListener() {
+        if (!this.documentClickListener) {
+            const documentTarget = this.el ? this.el.nativeElement.ownerDocument : 'document';
+            this.documentClickListener = this.renderer.listen(documentTarget, 'click', (event) => {
+                if (this.isOutsideClicked(event)) {
+                    this.hide();
+                    this.unbindDocumentClickListener();
+                }
+                this.cd.markForCheck();
+            });
+        }
+    }
+    unbindDocumentClickListener() {
+        if (this.documentClickListener) {
+            this.documentClickListener();
+            this.documentClickListener = null;
+        }
+    }
+    bindDocumentResizeListener() {
+        this.documentResizeListener = this.onWindowResize.bind(this);
+        window.addEventListener('resize', this.documentResizeListener);
+    }
+    unbindDocumentResizeListener() {
+        if (this.documentResizeListener) {
+            window.removeEventListener('resize', this.documentResizeListener);
+            this.documentResizeListener = null;
+        }
+    }
+    onWindowResize() {
+        if (this.overlayVisible && !DomHandler.isTouchDevice()) {
+            this.hide();
+        }
+    }
+    bindScrollListener() {
+        if (!this.scrollHandler) {
+            this.scrollHandler = new ConnectedOverlayScrollHandler(this.containerViewChild.nativeElement, (event) => {
+                if (this.overlayVisible) {
+                    this.hide();
+                }
+            });
+        }
+        this.scrollHandler.bindScrollListener();
+    }
+    unbindScrollListener() {
+        if (this.scrollHandler) {
+            this.scrollHandler.unbindScrollListener();
+        }
+    }
+    clear(event) {
+        this.value = null;
+        this.onModelChange(this.value);
+        this.onChange.emit({
+            originalEvent: event,
+            value: this.value
+        });
+        this.updateSelectedOption(this.value);
+        this.updateEditableLabel();
+        this.onClear.emit(event);
+    }
+    onOverlayHide() {
+        this.unbindDocumentClickListener();
+        this.unbindDocumentResizeListener();
+        this.unbindScrollListener();
+        this.overlay = null;
+        this.itemsWrapper = null;
+        this.onModelTouched();
+    }
+    ngOnDestroy() {
+        if (this.scrollHandler) {
+            this.scrollHandler.destroy();
+            this.scrollHandler = null;
+        }
+        if (this.overlay) {
+            ZIndexUtils.clear(this.overlay);
+        }
+        this.restoreOverlayAppend();
+        this.onOverlayHide();
+    }
+}
+Dropdown.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: Dropdown, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i0.ChangeDetectorRef }, { token: i0.NgZone }, { token: i3.FilterService }, { token: i3.PrimeNGConfig }, { token: i3.OverlayService }], target: i0.ɵɵFactoryTarget.Component });
+Dropdown.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.0.0", type: Dropdown, selector: "p-dropdown", inputs: { scrollHeight: "scrollHeight", filter: "filter", name: "name", style: "style", panelStyle: "panelStyle", styleClass: "styleClass", panelStyleClass: "panelStyleClass", readonly: "readonly", required: "required", editable: "editable", appendTo: "appendTo", tabindex: "tabindex", placeholder: "placeholder", filterPlaceholder: "filterPlaceholder", filterLocale: "filterLocale", inputId: "inputId", selectId: "selectId", dataKey: "dataKey", filterBy: "filterBy", autofocus: "autofocus", resetFilterOnHide: "resetFilterOnHide", dropdownIcon: "dropdownIcon", optionLabel: "optionLabel", optionValue: "optionValue", optionDisabled: "optionDisabled", optionGroupLabel: "optionGroupLabel", optionGroupChildren: "optionGroupChildren", autoDisplayFirst: "autoDisplayFirst", group: "group", showClear: "showClear", emptyFilterMessage: "emptyFilterMessage", emptyMessage: "emptyMessage", virtualScroll: "virtualScroll", itemSize: "itemSize", autoZIndex: "autoZIndex", baseZIndex: "baseZIndex", showTransitionOptions: "showTransitionOptions", hideTransitionOptions: "hideTransitionOptions", ariaFilterLabel: "ariaFilterLabel", ariaLabelledBy: "ariaLabelledBy", filterMatchMode: "filterMatchMode", maxlength: "maxlength", tooltip: "tooltip", tooltipPosition: "tooltipPosition", tooltipPositionStyle: "tooltipPositionStyle", tooltipStyleClass: "tooltipStyleClass", autofocusFilter: "autofocusFilter", disabled: "disabled", options: "options", filterValue: "filterValue" }, outputs: { onChange: "onChange", onFilter: "onFilter", onFocus: "onFocus", onBlur: "onBlur", onClick: "onClick", onShow: "onShow", onHide: "onHide", onClear: "onClear" }, host: { properties: { "class.p-inputwrapper-filled": "filled", "class.p-inputwrapper-focus": "focused || overlayVisible" }, classAttribute: "p-element p-inputwrapper" }, providers: [DROPDOWN_VALUE_ACCESSOR], queries: [{ propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "containerViewChild", first: true, predicate: ["container"], descendants: true }, { propertyName: "filterViewChild", first: true, predicate: ["filter"], descendants: true }, { propertyName: "accessibleViewChild", first: true, predicate: ["in"], descendants: true }, { propertyName: "viewPort", first: true, predicate: CdkVirtualScrollViewport, descendants: true }, { propertyName: "editableInputViewChild", first: true, predicate: ["editableInput"], descendants: true }], ngImport: i0, template: `
+         <div #container [ngClass]="{'p-dropdown p-component':true,
+            'p-disabled':disabled, 'p-dropdown-open':overlayVisible, 'p-focus':focused, 'p-dropdown-clearable': showClear && !disabled}"
+            (click)="onMouseclick($event)" [ngStyle]="style" [class]="styleClass">
+            <div class="p-hidden-accessible">
+                <input #in [attr.id]="inputId" type="text" readonly (focus)="onInputFocus($event)" aria-haspopup="listbox" [attr.placeholder]="placeholder"
+                    aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" [attr.aria-labelledby]="ariaLabelledBy" (blur)="onInputBlur($event)" (keydown)="onKeydown($event, true)"
+                    [disabled]="disabled" [attr.tabindex]="tabindex" [attr.autofocus]="autofocus" [attr.aria-activedescendant]="overlayVisible ? 'p-highlighted-option' : labelId" role="listbox">
+            </div>
+            <span [attr.id]="labelId" [ngClass]="{'p-dropdown-label p-inputtext':true,'p-dropdown-label-empty':(label == null || label.length === 0)}" *ngIf="!editable && (label != null)" [pTooltip]="tooltip" [tooltipPosition]="tooltipPosition" [positionStyle]="tooltipPositionStyle" [tooltipStyleClass]="tooltipStyleClass">
+                <ng-container *ngIf="!selectedItemTemplate">{{label||'empty'}}</ng-container>
+                <ng-container *ngTemplateOutlet="selectedItemTemplate; context: {$implicit: selectedOption}"></ng-container>
+            </span>
+            <span [ngClass]="{'p-dropdown-label p-inputtext p-placeholder':true,'p-dropdown-label-empty': (placeholder == null || placeholder.length === 0)}" *ngIf="!editable && (label == null)">{{placeholder||'empty'}}</span>
+            <input #editableInput type="text" [attr.maxlength]="maxlength" class="p-dropdown-label p-inputtext" *ngIf="editable" [disabled]="disabled" [attr.placeholder]="placeholder"
+                aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" (click)="onEditableInputClick()" (input)="onEditableInputChange($event)" (focus)="onEditableInputFocus($event)" (blur)="onInputBlur($event)">
+            <i class="p-dropdown-clear-icon pi pi-times" (click)="clear($event)" *ngIf="value != null && showClear && !disabled"></i>
+            <div class="p-dropdown-trigger" role="button" aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible">
+                <span class="p-dropdown-trigger-icon" [ngClass]="dropdownIcon"></span>
+            </div>
+            <div *ngIf="overlayVisible" [ngClass]="'p-dropdown-panel p-component'" (click)="onOverlayClick($event)" [@overlayAnimation]="{value: 'visible', params: {showTransitionParams: showTransitionOptions, hideTransitionParams: hideTransitionOptions}}" (@overlayAnimation.start)="onOverlayAnimationStart($event)" (@overlayAnimation.start)="onOverlayAnimationEnd($event)"onOverlayAnimationEnd [ngStyle]="panelStyle" [class]="panelStyleClass">
+                <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
+                <div class="p-dropdown-header" *ngIf="filter" >
+                    <div class="p-dropdown-filter-container" (click)="$event.stopPropagation()">
+                        <input #filter type="text" autocomplete="off" [value]="filterValue||''" class="p-dropdown-filter p-inputtext p-component" [attr.placeholder]="filterPlaceholder"
+                        (keydown.enter)="$event.preventDefault()" (keydown)="onKeydown($event, false)" (input)="onFilterInputChange($event)" [attr.aria-label]="ariaFilterLabel" [attr.aria-activedescendant]="overlayVisible ? 'p-highlighted-option' : labelId">
+                        <span class="p-dropdown-filter-icon pi pi-search"></span>
+                    </div>
+                </div>
+                <div class="p-dropdown-items-wrapper" [style.max-height]="virtualScroll ? 'auto' : (scrollHeight||'auto')">
+                    <ul [attr.id]="listId" class="p-dropdown-items" [ngClass]="{'p-dropdown-virtualscroll': virtualScroll}" role="listbox">
+                        <ng-container *ngIf="group">
+                            <ng-template ngFor let-optgroup [ngForOf]="optionsToDisplay">
+                                <li class="p-dropdown-item-group">
+                                    <span *ngIf="!groupTemplate">{{getOptionGroupLabel(optgroup)||'empty'}}</span>
+                                    <ng-container *ngTemplateOutlet="groupTemplate; context: {$implicit: optgroup}"></ng-container>
+                                </li>
+                                <ng-container *ngTemplateOutlet="itemslist; context: {$implicit: getOptionGroupChildren(optgroup), selectedOption: selectedOption}"></ng-container>
+                            </ng-template>
+                        </ng-container>
+                        <ng-container *ngIf="!group">
+                            <ng-container *ngTemplateOutlet="itemslist; context: {$implicit: optionsToDisplay, selectedOption: selectedOption}"></ng-container>
+                        </ng-container>
+                        <ng-template #itemslist let-options let-selectedOption="selectedOption">
+                            <ng-container *ngIf="!virtualScroll; else virtualScrollList">
+                                <ng-template ngFor let-option let-i="index" [ngForOf]="options">
+                                    <p-dropdownItem [option]="option" [selected]="selectedOption == option" [label]="getOptionLabel(option)" [disabled]="isOptionDisabled(option)"
+                                                    (onClick)="onItemClick($event)"
+                                                    [template]="itemTemplate"></p-dropdownItem>
+                                </ng-template>
+                            </ng-container>
+                            <ng-template #virtualScrollList>
+                                <cdk-virtual-scroll-viewport (scrolledIndexChange)="scrollToSelectedVirtualScrollElement()" #viewport [ngStyle]="{'height': scrollHeight}" [itemSize]="itemSize" *ngIf="virtualScroll && optionsToDisplay && optionsToDisplay.length">
+                                    <ng-container *cdkVirtualFor="let option of options; let i = index; let c = count; let f = first; let l = last; let e = even; let o = odd">
+                                        <p-dropdownItem [option]="option" [selected]="selectedOption == option" [label]="getOptionLabel(option)" [disabled]="isOptionDisabled(option)"
+                                                                   (onClick)="onItemClick($event)"
+                                                                   [template]="itemTemplate"></p-dropdownItem>
+                                    </ng-container>
+                                </cdk-virtual-scroll-viewport>
+                            </ng-template>
+                        </ng-template>
+                        <li *ngIf="filterValue && isEmpty()" class="p-dropdown-empty-message">
+                            <ng-container *ngIf="!emptyFilterTemplate && !emptyTemplate; else emptyFilter">
+                                {{emptyFilterMessageLabel}}
+                            </ng-container>
+                            <ng-container #emptyFilter *ngTemplateOutlet="emptyFilterTemplate || emptyTemplate"></ng-container>
+                        </li>
+                        <li *ngIf="!filterValue && isEmpty()" class="p-dropdown-empty-message">
+                            <ng-container *ngIf="!emptyTemplate; else empty">
+                                {{emptyMessageLabel}}
+                            </ng-container>
+                            <ng-container #empty *ngTemplateOutlet="emptyTemplate"></ng-container>
+                        </li>
+                    </ul>
+                </div>
+                <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
+            </div>
+        </div>
+    `, isInline: true, styles: [".p-dropdown{display:inline-flex;cursor:pointer;position:relative;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-dropdown-clear-icon{position:absolute;top:50%;margin-top:-.5rem}.p-dropdown-trigger{display:flex;align-items:center;justify-content:center;flex-shrink:0}.p-dropdown-label{display:block;white-space:nowrap;overflow:hidden;flex:1 1 auto;width:1%;text-overflow:ellipsis;cursor:pointer}.p-dropdown-label-empty{overflow:hidden;visibility:hidden}input.p-dropdown-label{cursor:default}.p-dropdown .p-dropdown-panel{min-width:100%}.p-dropdown-panel{position:absolute;top:0;left:0}.p-dropdown-items-wrapper{overflow:auto}.p-dropdown-item{cursor:pointer;font-weight:normal;white-space:nowrap;position:relative;overflow:hidden}.p-dropdown-items{margin:0;padding:0;list-style-type:none}.p-dropdown-filter{width:100%}.p-dropdown-filter-container{position:relative}.p-dropdown-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-fluid .p-dropdown{display:flex}.p-fluid .p-dropdown .p-dropdown-label{width:1%}\n"], components: [{ type: DropdownItem, selector: "p-dropdownItem", inputs: ["option", "selected", "label", "disabled", "visible", "itemSize", "template"], outputs: ["onClick"] }, { type: i4.CdkVirtualScrollViewport, selector: "cdk-virtual-scroll-viewport", inputs: ["orientation", "appendOnly"], outputs: ["scrolledIndexChange"] }], directives: [{ type: i2.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i2.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { type: i2.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { type: i5.Tooltip, selector: "[pTooltip]", inputs: ["tooltipPosition", "tooltipEvent", "appendTo", "positionStyle", "tooltipStyleClass", "tooltipZIndex", "escape", "showDelay", "hideDelay", "life", "positionTop", "positionLeft", "pTooltip", "tooltipDisabled", "tooltipOptions"] }, { type: i2.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }, { type: i2.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { type: i4.CdkFixedSizeVirtualScroll, selector: "cdk-virtual-scroll-viewport[itemSize]", inputs: ["itemSize", "minBufferPx", "maxBufferPx"] }, { type: i4.CdkVirtualForOf, selector: "[cdkVirtualFor][cdkVirtualForOf]", inputs: ["cdkVirtualForOf", "cdkVirtualForTrackBy", "cdkVirtualForTemplate", "cdkVirtualForTemplateCacheSize"] }], animations: [
+        trigger('overlayAnimation', [
+            transition(':enter', [
+                style({ opacity: 0, transform: 'scaleY(0.8)' }),
+                animate('{{showTransitionParams}}')
+            ]),
+            transition(':leave', [
+                animate('{{hideTransitionParams}}', style({ opacity: 0 }))
+            ])
+        ])
+    ], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
+i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: Dropdown, decorators: [{
+            type: Component,
+            args: [{ selector: 'p-dropdown', template: `
+         <div #container [ngClass]="{'p-dropdown p-component':true,
+            'p-disabled':disabled, 'p-dropdown-open':overlayVisible, 'p-focus':focused, 'p-dropdown-clearable': showClear && !disabled}"
+            (click)="onMouseclick($event)" [ngStyle]="style" [class]="styleClass">
+            <div class="p-hidden-accessible">
+                <input #in [attr.id]="inputId" type="text" readonly (focus)="onInputFocus($event)" aria-haspopup="listbox" [attr.placeholder]="placeholder"
+                    aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" [attr.aria-labelledby]="ariaLabelledBy" (blur)="onInputBlur($event)" (keydown)="onKeydown($event, true)"
+                    [disabled]="disabled" [attr.tabindex]="tabindex" [attr.autofocus]="autofocus" [attr.aria-activedescendant]="overlayVisible ? 'p-highlighted-option' : labelId" role="listbox">
+            </div>
+            <span [attr.id]="labelId" [ngClass]="{'p-dropdown-label p-inputtext':true,'p-dropdown-label-empty':(label == null || label.length === 0)}" *ngIf="!editable && (label != null)" [pTooltip]="tooltip" [tooltipPosition]="tooltipPosition" [positionStyle]="tooltipPositionStyle" [tooltipStyleClass]="tooltipStyleClass">
+                <ng-container *ngIf="!selectedItemTemplate">{{label||'empty'}}</ng-container>
+                <ng-container *ngTemplateOutlet="selectedItemTemplate; context: {$implicit: selectedOption}"></ng-container>
+            </span>
+            <span [ngClass]="{'p-dropdown-label p-inputtext p-placeholder':true,'p-dropdown-label-empty': (placeholder == null || placeholder.length === 0)}" *ngIf="!editable && (label == null)">{{placeholder||'empty'}}</span>
+            <input #editableInput type="text" [attr.maxlength]="maxlength" class="p-dropdown-label p-inputtext" *ngIf="editable" [disabled]="disabled" [attr.placeholder]="placeholder"
+                aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" (click)="onEditableInputClick()" (input)="onEditableInputChange($event)" (focus)="onEditableInputFocus($event)" (blur)="onInputBlur($event)">
+            <i class="p-dropdown-clear-icon pi pi-times" (click)="clear($event)" *ngIf="value != null && showClear && !disabled"></i>
+            <div class="p-dropdown-trigger" role="button" aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible">
+                <span class="p-dropdown-trigger-icon" [ngClass]="dropdownIcon"></span>
+            </div>
+            <div *ngIf="overlayVisible" [ngClass]="'p-dropdown-panel p-component'" (click)="onOverlayClick($event)" [@overlayAnimation]="{value: 'visible', params: {showTransitionParams: showTransitionOptions, hideTransitionParams: hideTransitionOptions}}" (@overlayAnimation.start)="onOverlayAnimationStart($event)" (@overlayAnimation.start)="onOverlayAnimationEnd($event)"onOverlayAnimationEnd [ngStyle]="panelStyle" [class]="panelStyleClass">
+                <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
+                <div class="p-dropdown-header" *ngIf="filter" >
+                    <div class="p-dropdown-filter-container" (click)="$event.stopPropagation()">
+                        <input #filter type="text" autocomplete="off" [value]="filterValue||''" class="p-dropdown-filter p-inputtext p-component" [attr.placeholder]="filterPlaceholder"
+                        (keydown.enter)="$event.preventDefault()" (keydown)="onKeydown($event, false)" (input)="onFilterInputChange($event)" [attr.aria-label]="ariaFilterLabel" [attr.aria-activedescendant]="overlayVisible ? 'p-highlighted-option' : labelId">
+                        <span class="p-dropdown-filter-icon pi pi-search"></span>
+                    </div>
+                </div>
+                <div class="p-dropdown-items-wrapper" [style.max-height]="virtualScroll ? 'auto' : (scrollHeight||'auto')">
+                    <ul [attr.id]="listId" class="p-dropdown-items" [ngClass]="{'p-dropdown-virtualscroll': virtualScroll}" role="listbox">
+                        <ng-container *ngIf="group">
+                            <ng-template ngFor let-optgroup [ngForOf]="optionsToDisplay">
+                                <li class="p-dropdown-item-group">
+                                    <span *ngIf="!groupTemplate">{{getOptionGroupLabel(optgroup)||'empty'}}</span>
+                                    <ng-container *ngTemplateOutlet="groupTemplate; context: {$implicit: optgroup}"></ng-container>
+                                </li>
+                                <ng-container *ngTemplateOutlet="itemslist; context: {$implicit: getOptionGroupChildren(optgroup), selectedOption: selectedOption}"></ng-container>
+                            </ng-template>
+                        </ng-container>
+                        <ng-container *ngIf="!group">
+                            <ng-container *ngTemplateOutlet="itemslist; context: {$implicit: optionsToDisplay, selectedOption: selectedOption}"></ng-container>
+                        </ng-container>
+                        <ng-template #itemslist let-options let-selectedOption="selectedOption">
+                            <ng-container *ngIf="!virtualScroll; else virtualScrollList">
+                                <ng-template ngFor let-option let-i="index" [ngForOf]="options">
+                                    <p-dropdownItem [option]="option" [selected]="selectedOption == option" [label]="getOptionLabel(option)" [disabled]="isOptionDisabled(option)"
+                                                    (onClick)="onItemClick($event)"
+                                                    [template]="itemTemplate"></p-dropdownItem>
+                                </ng-template>
+                            </ng-container>
+                            <ng-template #virtualScrollList>
+                                <cdk-virtual-scroll-viewport (scrolledIndexChange)="scrollToSelectedVirtualScrollElement()" #viewport [ngStyle]="{'height': scrollHeight}" [itemSize]="itemSize" *ngIf="virtualScroll && optionsToDisplay && optionsToDisplay.length">
+                                    <ng-container *cdkVirtualFor="let option of options; let i = index; let c = count; let f = first; let l = last; let e = even; let o = odd">
+                                        <p-dropdownItem [option]="option" [selected]="selectedOption == option" [label]="getOptionLabel(option)" [disabled]="isOptionDisabled(option)"
+                                                                   (onClick)="onItemClick($event)"
+                                                                   [template]="itemTemplate"></p-dropdownItem>
+                                    </ng-container>
+                                </cdk-virtual-scroll-viewport>
+                            </ng-template>
+                        </ng-template>
+                        <li *ngIf="filterValue && isEmpty()" class="p-dropdown-empty-message">
+                            <ng-container *ngIf="!emptyFilterTemplate && !emptyTemplate; else emptyFilter">
+                                {{emptyFilterMessageLabel}}
+                            </ng-container>
+                            <ng-container #emptyFilter *ngTemplateOutlet="emptyFilterTemplate || emptyTemplate"></ng-container>
+                        </li>
+                        <li *ngIf="!filterValue && isEmpty()" class="p-dropdown-empty-message">
+                            <ng-container *ngIf="!emptyTemplate; else empty">
+                                {{emptyMessageLabel}}
+                            </ng-container>
+                            <ng-container #empty *ngTemplateOutlet="emptyTemplate"></ng-container>
+                        </li>
+                    </ul>
+                </div>
+                <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
+            </div>
+        </div>
+    `, animations: [
+                        trigger('overlayAnimation', [
+                            transition(':enter', [
+                                style({ opacity: 0, transform: 'scaleY(0.8)' }),
+                                animate('{{showTransitionParams}}')
+                            ]),
+                            transition(':leave', [
+                                animate('{{hideTransitionParams}}', style({ opacity: 0 }))
+                            ])
+                        ])
+                    ], host: {
+                        'class': 'p-element p-inputwrapper',
+                        '[class.p-inputwrapper-filled]': 'filled',
+                        '[class.p-inputwrapper-focus]': 'focused || overlayVisible'
+                    }, providers: [DROPDOWN_VALUE_ACCESSOR], changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, styles: [".p-dropdown{display:inline-flex;cursor:pointer;position:relative;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-dropdown-clear-icon{position:absolute;top:50%;margin-top:-.5rem}.p-dropdown-trigger{display:flex;align-items:center;justify-content:center;flex-shrink:0}.p-dropdown-label{display:block;white-space:nowrap;overflow:hidden;flex:1 1 auto;width:1%;text-overflow:ellipsis;cursor:pointer}.p-dropdown-label-empty{overflow:hidden;visibility:hidden}input.p-dropdown-label{cursor:default}.p-dropdown .p-dropdown-panel{min-width:100%}.p-dropdown-panel{position:absolute;top:0;left:0}.p-dropdown-items-wrapper{overflow:auto}.p-dropdown-item{cursor:pointer;font-weight:normal;white-space:nowrap;position:relative;overflow:hidden}.p-dropdown-items{margin:0;padding:0;list-style-type:none}.p-dropdown-filter{width:100%}.p-dropdown-filter-container{position:relative}.p-dropdown-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-fluid .p-dropdown{display:flex}.p-fluid .p-dropdown .p-dropdown-label{width:1%}\n"] }]
+        }], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i0.ChangeDetectorRef }, { type: i0.NgZone }, { type: i3.FilterService }, { type: i3.PrimeNGConfig }, { type: i3.OverlayService }]; }, propDecorators: { scrollHeight: [{
+                type: Input
+            }], filter: [{
+                type: Input
+            }], name: [{
+                type: Input
+            }], style: [{
+                type: Input
+            }], panelStyle: [{
+                type: Input
+            }], styleClass: [{
+                type: Input
+            }], panelStyleClass: [{
+                type: Input
+            }], readonly: [{
+                type: Input
+            }], required: [{
+                type: Input
+            }], editable: [{
+                type: Input
+            }], appendTo: [{
+                type: Input
+            }], tabindex: [{
+                type: Input
+            }], placeholder: [{
+                type: Input
+            }], filterPlaceholder: [{
+                type: Input
+            }], filterLocale: [{
+                type: Input
+            }], inputId: [{
+                type: Input
+            }], selectId: [{
+                type: Input
+            }], dataKey: [{
+                type: Input
+            }], filterBy: [{
+                type: Input
+            }], autofocus: [{
+                type: Input
+            }], resetFilterOnHide: [{
+                type: Input
+            }], dropdownIcon: [{
+                type: Input
+            }], optionLabel: [{
+                type: Input
+            }], optionValue: [{
+                type: Input
+            }], optionDisabled: [{
+                type: Input
+            }], optionGroupLabel: [{
+                type: Input
+            }], optionGroupChildren: [{
+                type: Input
+            }], autoDisplayFirst: [{
+                type: Input
+            }], group: [{
+                type: Input
+            }], showClear: [{
+                type: Input
+            }], emptyFilterMessage: [{
+                type: Input
+            }], emptyMessage: [{
+                type: Input
+            }], virtualScroll: [{
+                type: Input
+            }], itemSize: [{
+                type: Input
+            }], autoZIndex: [{
+                type: Input
+            }], baseZIndex: [{
+                type: Input
+            }], showTransitionOptions: [{
+                type: Input
+            }], hideTransitionOptions: [{
+                type: Input
+            }], ariaFilterLabel: [{
+                type: Input
+            }], ariaLabelledBy: [{
+                type: Input
+            }], filterMatchMode: [{
+                type: Input
+            }], maxlength: [{
+                type: Input
+            }], tooltip: [{
+                type: Input
+            }], tooltipPosition: [{
+                type: Input
+            }], tooltipPositionStyle: [{
+                type: Input
+            }], tooltipStyleClass: [{
+                type: Input
+            }], autofocusFilter: [{
+                type: Input
+            }], onChange: [{
+                type: Output
+            }], onFilter: [{
+                type: Output
+            }], onFocus: [{
+                type: Output
+            }], onBlur: [{
+                type: Output
+            }], onClick: [{
+                type: Output
+            }], onShow: [{
+                type: Output
+            }], onHide: [{
+                type: Output
+            }], onClear: [{
+                type: Output
+            }], containerViewChild: [{
+                type: ViewChild,
+                args: ['container']
+            }], filterViewChild: [{
+                type: ViewChild,
+                args: ['filter']
+            }], accessibleViewChild: [{
+                type: ViewChild,
+                args: ['in']
+            }], viewPort: [{
+                type: ViewChild,
+                args: [CdkVirtualScrollViewport]
+            }], editableInputViewChild: [{
+                type: ViewChild,
+                args: ['editableInput']
+            }], templates: [{
+                type: ContentChildren,
+                args: [PrimeTemplate]
+            }], disabled: [{
+                type: Input
+            }], options: [{
+                type: Input
+            }], filterValue: [{
+                type: Input
+            }] } });
+class DropdownModule {
+}
+DropdownModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: DropdownModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
+DropdownModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: DropdownModule, declarations: [Dropdown, DropdownItem], imports: [CommonModule, SharedModule, ScrollingModule, TooltipModule, RippleModule], exports: [Dropdown, SharedModule, ScrollingModule] });
+DropdownModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: DropdownModule, imports: [[CommonModule, SharedModule, ScrollingModule, TooltipModule, RippleModule], SharedModule, ScrollingModule] });
+i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: DropdownModule, decorators: [{
+            type: NgModule,
+            args: [{
+                    imports: [CommonModule, SharedModule, ScrollingModule, TooltipModule, RippleModule],
+                    exports: [Dropdown, SharedModule, ScrollingModule],
+                    declarations: [Dropdown, DropdownItem]
+                }]
+        }] });
+
+/**
+ * Generated bundle index. Do not edit.
+ */
+
+export { DROPDOWN_VALUE_ACCESSOR, Dropdown, DropdownItem, DropdownModule };
