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primeng

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PrimeNG is an open source UI library for Angular featuring a rich set of 80+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with PrimeB

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import * as i1 from '@angular/common';
import { CommonModule } from '@angular/common';
import * as i0 from '@angular/core';
import { Injectable, forwardRef, EventEmitter, booleanAttribute, numberAttribute, Output, Input, ViewEncapsulation, Component, inject, signal, computed, effect, HostBinding, ContentChildren, ContentChild, ViewChild, ChangeDetectionStrategy, NgModule } from '@angular/core';
import * as i2 from '@angular/forms';
import { NG_VALUE_ACCESSOR, FormsModule } from '@angular/forms';
import { deepEquals, isNotEmpty, isArray, uuid, equals, focus, findLastIndex, resolveFieldData, isPrintableCharacter, getFirstFocusableElement, getLastFocusableElement, findSingle, unblockBodyScroll, hasClass, isHidden, getFocusableElements } from '@primeuix/utils';
import * as i3 from 'primeng/api';
import { SharedModule, TranslationKeys, Footer, Header, PrimeTemplate } from 'primeng/api';
import { AutoFocus } from 'primeng/autofocus';
import { BaseComponent } from 'primeng/basecomponent';
import { Checkbox } from 'primeng/checkbox';
import { Chip } from 'primeng/chip';
import { DomHandler } from 'primeng/dom';
import { IconField } from 'primeng/iconfield';
import { CheckIcon, SearchIcon, TimesIcon, ChevronDownIcon } from 'primeng/icons';
import { InputIcon } from 'primeng/inputicon';
import { InputText } from 'primeng/inputtext';
import { Overlay } from 'primeng/overlay';
import { Ripple } from 'primeng/ripple';
import { Scroller } from 'primeng/scroller';
import { Tooltip } from 'primeng/tooltip';
import { BaseStyle } from 'primeng/base';
import { ObjectUtils } from 'primeng/utils';

const theme = ({ dt }) => `
.p-multiselect {
    display: inline-flex;
    cursor: pointer;
    position: relative;
    user-select: none;
    background: ${dt('multiselect.background')};
    border: 1px solid ${dt('multiselect.border.color')};
    transition: background ${dt('multiselect.transition.duration')}, color ${dt('multiselect.transition.duration')}, border-color ${dt('multiselect.transition.duration')}, outline-color ${dt('multiselect.transition.duration')}, box-shadow ${dt('multiselect.transition.duration')};
    border-radius: ${dt('multiselect.border.radius')};
    outline-color: transparent;
    box-shadow: ${dt('multiselect.shadow')};
}

.p-multiselect.ng-invalid.ng-dirty {
    border-color: ${dt('multiselect.invalid.border.color')};
}

.p-multiselect:not(.p-disabled):hover {
    border-color: ${dt('multiselect.hover.border.color')};
}

.p-multiselect:not(.p-disabled).p-focus {
    border-color: ${dt('multiselect.focus.border.color')};
    box-shadow: ${dt('multiselect.focus.ring.shadow')};
    outline: ${dt('multiselect.focus.ring.width')} ${dt('multiselect.focus.ring.style')} ${dt('multiselect.focus.ring.color')};
    outline-offset: ${dt('multiselect.focus.ring.offset')};
}

.p-multiselect.p-variant-filled {
    background: ${dt('multiselect.filled.background')};
}

.p-multiselect.p-variant-filled:not(.p-disabled):hover {
    background: ${dt('multiselect.filled.hover.background')};
}

.p-multiselect.p-variant-filled.p-focus {
    background: ${dt('multiselect.filled.focus.background')};
}

.p-multiselect.p-disabled {
    opacity: 1;
    background: ${dt('multiselect.disabled.background')};
}

.p-multiselect-dropdown {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: transparent;
    color: ${dt('multiselect.dropdown.color')};
    width: ${dt('multiselect.dropdown.width')};
    border-start-end-radius: ${dt('multiselect.border.radius')};
    border-end-end-radius: ${dt('multiselect.border.radius')};
}

.p-multiselect-label-container {
    overflow: hidden;
    flex: 1 1 auto;
    cursor: pointer;
}

.p-multiselect-label {
    display: flex;
    align-items-center;
    gap: calc(${dt('multiselect.padding.y')} / 2);
    white-space: nowrap;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: ${dt('multiselect.padding.y')} ${dt('multiselect.padding.x')};
    color: ${dt('multiselect.color')};
}

.p-multiselect-label.p-placeholder {
    color: ${dt('multiselect.placeholder.color')};
}

p-multiselect.ng-invalid.ng-dirty .p-multiselect-label.p-placeholder {
    color: ${dt('multiselect.invalid.placeholder.color')};
}

.p-multiselect.p-disabled .p-multiselect-label {
    color: ${dt('multiselect.disabled.color')};
}

.p-multiselect-label-empty {
    overflow: hidden;
    visibility: hidden;
}

.p-multiselect .p-multiselect-overlay {
    min-width: 100%;
}

.p-multiselect-overlay {
    background: ${dt('multiselect.overlay.background')};
    color: ${dt('multiselect.overlay.color')};
    border: 1px solid ${dt('multiselect.overlay.border.color')};
    border-radius: ${dt('multiselect.overlay.border.radius')};
    box-shadow: ${dt('multiselect.overlay.shadow')};
}

.p-multiselect-header {
    display: flex;
    align-items: center;
    padding: ${dt('multiselect.list.header.padding')};
}

.p-multiselect-header .p-checkbox {
    margin-inline-end: ${dt('multiselect.option.gap')};
}

.p-multiselect-filter-container {
    flex: 1 1 auto;
}

.p-multiselect-filter {
    width: 100%;
}

.p-multiselect-list-container {
    overflow: auto;
}

.p-multiselect-list {
    margin: 0;
    padding: 0;
    list-style-type: none;
    padding: ${dt('multiselect.list.padding')};
    display: flex;
    flex-direction: column;
    gap: ${dt('multiselect.list.gap')}
}

.p-multiselect-option {
    cursor: pointer;
    font-weight: normal;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: ${dt('multiselect.option.gap')};
    padding: ${dt('multiselect.option.padding')};
    border: 0 none;
    color: ${dt('multiselect.option.color')};
    background: transparent;
    transition: background ${dt('multiselect.transition.duration')}, color ${dt('multiselect.transition.duration')}, border-color ${dt('multiselect.transition.duration')}, box-shadow ${dt('multiselect.transition.duration')}, outline-color ${dt('multiselect.transition.duration')};
    border-radius: ${dt('multiselect.option.border.radius')}
}

.p-multiselect-option:not(.p-multiselect-option-selected):not(.p-disabled).p-focus {
    background: ${dt('multiselect.option.focus.background')};
    color: ${dt('multiselect.option.focus.color')};
}

.p-multiselect-option.p-multiselect-option-selected {
    background: ${dt('multiselect.option.selected.background')};
    color: ${dt('multiselect.option.selected.color')};
}

.p-multiselect-option.p-multiselect-option-selected.p-focus {
    background: ${dt('multiselect.option.selected.focus.background')};
    color: ${dt('multiselect.option.selected.focus.color')};
}

.p-multiselect-option-group {
    cursor: auto;
    margin: 0;
    padding: ${dt('multiselect.option.group.padding')};
    background: ${dt('multiselect.option.group.background')};
    color: ${dt('multiselect.option.group.color')};
    font-weight: ${dt('multiselect.option.group.font.weight')};
}

.p-multiselect-empty-message {
    padding: ${dt('multiselect.empty.message.padding')};
}

.p-multiselect-label .p-chip {
    padding-top: calc(${dt('multiselect.padding.y')} / 2);
    padding-bottom: calc(${dt('multiselect.padding.y')} / 2);
    border-radius: ${dt('multiselect.chip.border.radius')};
}

.p-multiselect-label:has(.p-chip) {
    padding: calc(${dt('multiselect.padding.y')} / 2) calc(${dt('multiselect.padding.x')} / 2);
}

.p-multiselect-fluid {
    display: flex;
}

.p-multiselect-sm .p-multiselect-label {
    font-size: ${dt('multiselect.sm.font.size')};
    padding-block: ${dt('multiselect.sm.padding.y')};
    padding-inline: ${dt('multiselect.sm.padding.x')};
}

.p-multiselect-sm .p-multiselect-dropdown .p-icon {
    font-size: ${dt('multiselect.sm.font.size')};
    width: ${dt('multiselect.sm.font.size')};
    height: ${dt('multiselect.sm.font.size')};
}

.p-multiselect-lg .p-multiselect-label {
    font-size: ${dt('multiselect.lg.font.size')};
    padding-block: ${dt('multiselect.lg.padding.y')};
    padding-inline: ${dt('multiselect.lg.padding.x')};
}

.p-multiselect-lg .p-multiselect-dropdown .p-icon {
    font-size: ${dt('multiselect.lg.font.size')};
    width: ${dt('multiselect.lg.font.size')};
    height: ${dt('multiselect.lg.font.size')};
}

.p-multiselect-clear-icon {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: transparent;
    color: ${dt('multiselect.clear.icon.color')};
}`;
const inlineStyles = {
    root: ({ props }) => ({ position: props.appendTo === 'self' ? 'relative' : undefined })
};
const classes = {
    root: ({ instance }) => ({
        'p-multiselect p-component p-inputwrapper': true,
        'p-multiselect-display-chip': instance.display === 'chip',
        'p-disabled': instance.disabled,
        'p-invalid': instance.invalid,
        'p-variant-filled': instance.variant ? instance.variant === 'filled' : instance.config.inputStyle === 'filled',
        'p-focus': instance.focused,
        'p-inputwrapper-filled': instance.filled,
        'p-inputwrapper-focus': instance.focused || instance.overlayVisible,
        'p-multiselect-open': instance.overlayVisible,
        'p-multiselect-fluid': instance.hasFluid,
        'p-multiselect-sm p-inputfield-sm': instance.size === 'small',
        'p-multiselect-lg p-inputfield-lg': instance.size === 'large'
    }),
    labelContainer: 'p-multiselect-label-container',
    label: ({ instance }) => ({
        'p-multiselect-label': true,
        'p-placeholder': instance.label() === instance.placeholder(),
        'p-multiselect-label-empty': !instance.placeholder() && !instance.defaultLabel && (!instance.modelValue() || instance.modelValue().length === 0)
    }),
    chipItem: 'p-multiselect-chip-item',
    pcChip: 'p-multiselect-chip',
    chipIcon: 'p-multiselect-chip-icon',
    dropdown: 'p-multiselect-dropdown',
    loadingIcon: 'p-multiselect-loading-icon',
    dropdownIcon: 'p-multiselect-dropdown-icon',
    overlay: 'p-multiselect-overlay p-component',
    header: 'p-multiselect-header',
    pcFilterContainer: 'p-multiselect-filter-container',
    pcFilter: 'p-multiselect-filter',
    listContainer: 'p-multiselect-list-container',
    list: 'p-multiselect-list',
    optionGroup: 'p-multiselect-option-group',
    option: ({ instance, option, index, getItemOptions }) => ({
        'p-multiselect-option': true,
        'p-multiselect-option-selected': instance.isSelected(option) && instance.highlightOnSelect,
        'p-focus': instance.focusedOptionIndex === instance.getOptionIndex(index, getItemOptions),
        'p-disabled': instance.isOptionDisabled(option)
    }),
    emptyMessage: 'p-multiselect-empty-message'
};
class MultiSelectStyle extends BaseStyle {
    name = 'multiselect';
    theme = theme;
    classes = classes;
    inlineStyles = inlineStyles;
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectStyle, deps: null, target: i0.ɵɵFactoryTarget.Injectable });
    static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectStyle });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectStyle, decorators: [{
            type: Injectable
        }] });
/**
 *
 * MultiSelect is used to select multiple items from a collection.
 *
 * [Live Demo](https://www.primeng.org/multiselect/)
 *
 * @module multiselectstyle
 *
 */
var MultiSelectClasses;
(function (MultiSelectClasses) {
    /**
     * Class name of the root element
     */
    MultiSelectClasses["root"] = "p-multiselect";
    /**
     * Class name of the label container element
     */
    MultiSelectClasses["labelContainer"] = "p-multiselect-label-container";
    /**
     * Class name of the label element
     */
    MultiSelectClasses["label"] = "p-multiselect-label";
    /**
     * Class name of the chip item element
     */
    MultiSelectClasses["chipItem"] = "p-multiselect-chip-item";
    /**
     * Class name of the chip element
     */
    MultiSelectClasses["pcChip"] = "p-multiselect-chip";
    /**
     * Class name of the chip icon element
     */
    MultiSelectClasses["chipIcon"] = "p-multiselect-chip-icon";
    /**
     * Class name of the dropdown element
     */
    MultiSelectClasses["dropdown"] = "p-multiselect-dropdown";
    /**
     * Class name of the loading icon element
     */
    MultiSelectClasses["loadingIcon"] = "p-multiselect-loading-icon";
    /**
     * Class name of the dropdown icon element
     */
    MultiSelectClasses["dropdownIcon"] = "p-multiselect-dropdown-icon";
    /**
     * Class name of the overlay element
     */
    MultiSelectClasses["overlay"] = "p-multiselect-overlay";
    /**
     * Class name of the header element
     */
    MultiSelectClasses["header"] = "p-multiselect-header";
    /**
     * Class name of the filter container element
     */
    MultiSelectClasses["pcFilterContainer"] = "p-multiselect-filter-container";
    /**
     * Class name of the filter element
     */
    MultiSelectClasses["pcFilter"] = "p-multiselect-filter";
    /**
     * Class name of the list container element
     */
    MultiSelectClasses["listContainer"] = "p-multiselect-list-container";
    /**
     * Class name of the list element
     */
    MultiSelectClasses["list"] = "p-multiselect-list";
    /**
     * Class name of the option group element
     */
    MultiSelectClasses["optionGroup"] = "p-multiselect-option-group";
    /**
     * Class name of the option element
     */
    MultiSelectClasses["option"] = "p-multiselect-option";
    /**
     * Class name of the empty message element
     */
    MultiSelectClasses["emptyMessage"] = "p-multiselect-empty-message";
})(MultiSelectClasses || (MultiSelectClasses = {}));

const MULTISELECT_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => MultiSelect),
    multi: true
};
class MultiSelectItem extends BaseComponent {
    id;
    option;
    selected;
    label;
    disabled;
    itemSize;
    focused;
    ariaPosInset;
    ariaSetSize;
    variant;
    template;
    checkIconTemplate;
    itemCheckboxIconTemplate;
    onClick = new EventEmitter();
    onMouseEnter = new EventEmitter();
    onOptionClick(event) {
        this.onClick.emit({
            originalEvent: event,
            option: this.option,
            selected: this.selected
        });
        event.stopPropagation();
        event.preventDefault();
    }
    onOptionMouseEnter(event) {
        this.onMouseEnter.emit({
            originalEvent: event,
            option: this.option,
            selected: this.selected
        });
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectItem, deps: null, target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "16.1.0", version: "19.2.2", type: MultiSelectItem, isStandalone: true, selector: "p-multiSelectItem, p-multiselect-item", inputs: { id: "id", option: "option", selected: ["selected", "selected", booleanAttribute], label: "label", disabled: ["disabled", "disabled", booleanAttribute], itemSize: ["itemSize", "itemSize", numberAttribute], focused: ["focused", "focused", booleanAttribute], ariaPosInset: "ariaPosInset", ariaSetSize: "ariaSetSize", variant: "variant", template: "template", checkIconTemplate: "checkIconTemplate", itemCheckboxIconTemplate: "itemCheckboxIconTemplate" }, outputs: { onClick: "onClick", onMouseEnter: "onMouseEnter" }, usesInheritance: true, ngImport: i0, template: `
        <li
            pRipple
            role="option"
            [ngStyle]="{ height: itemSize + 'px' }"
            [ngClass]="{
                'p-multiselect-option': true,
                'p-disabled': disabled,
                'p-focus': focused
            }"
            [id]="id"
            [attr.aria-label]="label"
            [attr.aria-setsize]="ariaSetSize"
            [attr.aria-posinset]="ariaPosInset"
            [attr.aria-selected]="selected"
            [attr.data-p-focused]="focused"
            [attr.data-p-highlight]="selected"
            [attr.data-p-disabled]="disabled"
            [attr.aria-checked]="selected"
            (click)="onOptionClick($event)"
            (mouseenter)="onOptionMouseEnter($event)"
        >
            <p-checkbox [ngModel]="selected" [binary]="true" [tabindex]="-1" [variant]="variant" [ariaLabel]="label">
                <ng-container *ngIf="itemCheckboxIconTemplate">
                    <ng-template #checkboxicon let-klass="class">
                        <ng-template *ngTemplateOutlet="itemCheckboxIconTemplate; context: { checked: selected, class: klass }"></ng-template>
                    </ng-template>
                </ng-container>
            </p-checkbox>
            <span *ngIf="!template">{{ label ?? 'empty' }}</span>
            <ng-container *ngTemplateOutlet="template; context: { $implicit: option }"></ng-container>
        </li>
    `, isInline: true, dependencies: [{ kind: "ngmodule", type: CommonModule }, { kind: "directive", type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "component", type: Checkbox, selector: "p-checkbox, p-checkBox, p-check-box", inputs: ["value", "name", "disabled", "binary", "ariaLabelledBy", "ariaLabel", "tabindex", "inputId", "style", "inputStyle", "styleClass", "inputClass", "indeterminate", "size", "formControl", "checkboxIcon", "readonly", "required", "autofocus", "trueValue", "falseValue", "variant"], outputs: ["onChange", "onFocus", "onBlur"] }, { kind: "ngmodule", type: FormsModule }, { kind: "directive", type: i2.NgControlStatus, selector: "[formControlName],[ngModel],[formControl]" }, { kind: "directive", type: i2.NgModel, selector: "[ngModel]:not([formControlName]):not([formControl])", inputs: ["name", "disabled", "ngModel", "ngModelOptions"], outputs: ["ngModelChange"], exportAs: ["ngModel"] }, { kind: "directive", type: Ripple, selector: "[pRipple]" }, { kind: "ngmodule", type: SharedModule }], encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectItem, decorators: [{
            type: Component,
            args: [{
                    selector: 'p-multiSelectItem, p-multiselect-item',
                    standalone: true,
                    imports: [CommonModule, Checkbox, FormsModule, Ripple, SharedModule],
                    template: `
        <li
            pRipple
            role="option"
            [ngStyle]="{ height: itemSize + 'px' }"
            [ngClass]="{
                'p-multiselect-option': true,
                'p-disabled': disabled,
                'p-focus': focused
            }"
            [id]="id"
            [attr.aria-label]="label"
            [attr.aria-setsize]="ariaSetSize"
            [attr.aria-posinset]="ariaPosInset"
            [attr.aria-selected]="selected"
            [attr.data-p-focused]="focused"
            [attr.data-p-highlight]="selected"
            [attr.data-p-disabled]="disabled"
            [attr.aria-checked]="selected"
            (click)="onOptionClick($event)"
            (mouseenter)="onOptionMouseEnter($event)"
        >
            <p-checkbox [ngModel]="selected" [binary]="true" [tabindex]="-1" [variant]="variant" [ariaLabel]="label">
                <ng-container *ngIf="itemCheckboxIconTemplate">
                    <ng-template #checkboxicon let-klass="class">
                        <ng-template *ngTemplateOutlet="itemCheckboxIconTemplate; context: { checked: selected, class: klass }"></ng-template>
                    </ng-template>
                </ng-container>
            </p-checkbox>
            <span *ngIf="!template">{{ label ?? 'empty' }}</span>
            <ng-container *ngTemplateOutlet="template; context: { $implicit: option }"></ng-container>
        </li>
    `,
                    encapsulation: ViewEncapsulation.None
                }]
        }], propDecorators: { id: [{
                type: Input
            }], option: [{
                type: Input
            }], selected: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], label: [{
                type: Input
            }], disabled: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], itemSize: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], focused: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], ariaPosInset: [{
                type: Input
            }], ariaSetSize: [{
                type: Input
            }], variant: [{
                type: Input
            }], template: [{
                type: Input
            }], checkIconTemplate: [{
                type: Input
            }], itemCheckboxIconTemplate: [{
                type: Input
            }], onClick: [{
                type: Output
            }], onMouseEnter: [{
                type: Output
            }] } });
// @ts-ignore
/**
 * MultiSelect is used to select multiple items from a collection.
 * @group Components
 */
class MultiSelect extends BaseComponent {
    zone;
    filterService;
    overlayService;
    /**
     * Unique identifier of the component
     * @group Props
     */
    id;
    /**
     * Defines a string that labels the input for accessibility.
     * @group Props
     */
    ariaLabel;
    /**
     * Inline style of the element.
     * @group Props
     */
    style;
    /**
     * Style class of the element.
     * @group Props
     */
    styleClass;
    /**
     * Inline style of the overlay panel.
     * @group Props
     */
    panelStyle;
    /**
     * Style class of the overlay panel element.
     * @group Props
     */
    panelStyleClass;
    /**
     * Identifier of the focus input to match a label defined for the component.
     * @group Props
     */
    inputId;
    /**
     * When present, it specifies that the element should be disabled.
     * @group Props
     */
    disabled;
    /**
     * Spans 100% width of the container when enabled.
     * @group Props
     */
    fluid;
    /**
     * When present, it specifies that the component cannot be edited.
     * @group Props
     */
    readonly;
    /**
     * Whether to display options as grouped when nested options are provided.
     * @group Props
     */
    group;
    /**
     * When specified, displays an input field to filter the items on keyup.
     * @group Props
     */
    filter = true;
    /**
     * Defines placeholder of the filter input.
     * @group Props
     */
    filterPlaceHolder;
    /**
     * Locale to use in filtering. The default locale is the host environment's current locale.
     * @group Props
     */
    filterLocale;
    /**
     * Specifies the visibility of the options panel.
     * @group Props
     */
    overlayVisible;
    /**
     * Index of the element in tabbing order.
     * @group Props
     */
    tabindex = 0;
    /**
     * Specifies the input variant of the component.
     * @group Props
     */
    variant;
    /**
     * Target element to attach the overlay, valid values are "body" or a local ng-template variable of another element (note: use binding with brackets for template variables, e.g. [appendTo]="mydiv" for a div element having #mydiv as variable name).
     * @group Props
     */
    appendTo;
    /**
     * A property to uniquely identify a value in options.
     * @group Props
     */
    dataKey;
    /**
     * Name of the input element.
     * @group Props
     */
    name;
    /**
     * Establishes relationships between the component and label(s) where its value should be one or more element IDs.
     * @group Props
     */
    ariaLabelledBy;
    /**
     * Whether to show labels of selected item labels or use default label.
     * @group Props
     * @defaultValue true
     */
    set displaySelectedLabel(val) {
        this._displaySelectedLabel = val;
    }
    get displaySelectedLabel() {
        return this._displaySelectedLabel;
    }
    /**
     * Decides how many selected item labels to show at most.
     * @group Props
     * @defaultValue 3
     */
    set maxSelectedLabels(val) {
        this._maxSelectedLabels = val;
    }
    get maxSelectedLabels() {
        return this._maxSelectedLabels;
    }
    /**
     * Decides how many selected item labels to show at most.
     * @group Props
     */
    selectionLimit;
    /**
     * Label to display after exceeding max selected labels e.g. ({0} items selected), defaults "ellipsis" keyword to indicate a text-overflow.
     * @group Props
     */
    selectedItemsLabel;
    /**
     * Whether to show the checkbox at header to toggle all items at once.
     * @group Props
     */
    showToggleAll = true;
    /**
     * Text to display when filtering does not return any results.
     * @group Props
     */
    emptyFilterMessage = '';
    /**
     * Text to display when there is no data. Defaults to global value in i18n translation configuration.
     * @group Props
     */
    emptyMessage = '';
    /**
     * Clears the filter value when hiding the dropdown.
     * @group Props
     */
    resetFilterOnHide = false;
    /**
     * Icon class of the dropdown icon.
     * @group Props
     */
    dropdownIcon;
    /**
     * Icon class of the chip icon.
     * @group Props
     */
    chipIcon;
    /**
     * Name of the label field of an option.
     * @group Props
     */
    optionLabel;
    /**
     * Name of the value field of an option.
     * @group Props
     */
    optionValue;
    /**
     * Name of the disabled field of an option.
     * @group Props
     */
    optionDisabled;
    /**
     * Name of the label field of an option group.
     * @group Props
     */
    optionGroupLabel = 'label';
    /**
     * Name of the options field of an option group.
     * @group Props
     */
    optionGroupChildren = 'items';
    /**
     * Whether to show the header.
     * @group Props
     */
    showHeader = true;
    /**
     * When filtering is enabled, filterBy decides which field or fields (comma separated) to search against.
     * @group Props
     */
    filterBy;
    /**
     * Height of the viewport in pixels, a scrollbar is defined if height of list exceeds this value.
     * @group Props
     */
    scrollHeight = '200px';
    /**
     * Defines if data is loaded and interacted with in lazy manner.
     * @group Props
     */
    lazy = false;
    /**
     * Whether the data should be loaded on demand during scroll.
     * @group Props
     */
    virtualScroll;
    /**
     * Whether the multiselect is in loading state.
     * @group Props
     */
    loading = false;
    /**
     * Height of an item in the list for VirtualScrolling.
     * @group Props
     */
    virtualScrollItemSize;
    /**
     * Icon to display in loading state.
     * @group Props
     */
    loadingIcon;
    /**
     * Whether to use the scroller feature. The properties of scroller component can be used like an object in it.
     * @group Props
     */
    virtualScrollOptions;
    /**
     * Whether to use overlay API feature. The properties of overlay API can be used like an object in it.
     * @group Props
     */
    overlayOptions;
    /**
     * Defines a string that labels the filter input.
     * @group Props
     */
    ariaFilterLabel;
    /**
     * Defines how the items are filtered.
     * @group Props
     */
    filterMatchMode = 'contains';
    /**
     * Advisory information to display in a tooltip on hover.
     * @group Props
     */
    tooltip = '';
    /**
     * Position of the tooltip.
     * @group Props
     */
    tooltipPosition = 'right';
    /**
     * Type of CSS position.
     * @group Props
     */
    tooltipPositionStyle = 'absolute';
    /**
     * Style class of the tooltip.
     * @group Props
     */
    tooltipStyleClass;
    /**
     * Applies focus to the filter element when the overlay is shown.
     * @group Props
     */
    autofocusFilter = false;
    /**
     * Defines how the selected items are displayed.
     * @group Props
     */
    display = 'comma';
    /**
     * Defines the autocomplete is active.
     * @group Props
     */
    autocomplete = 'off';
    /**
     * Defines the size of the component.
     * @group Props
     */
    size;
    /**
     * When enabled, a clear icon is displayed to clear the value.
     * @group Props
     */
    showClear = false;
    /**
     * When present, it specifies that the component should automatically get focus on load.
     * @group Props
     */
    autofocus;
    /**
     * @deprecated since v14.2.0, use overlayOptions property instead.
     * Whether to automatically manage layering.
     * @group Props
     */
    get autoZIndex() {
        return this._autoZIndex;
    }
    set autoZIndex(val) {
        this._autoZIndex = val;
        console.log('The autoZIndex property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    /**
     * @deprecated since v14.2.0, use overlayOptions property instead.
     * Base zIndex value to use in layering.
     * @group Props
     */
    get baseZIndex() {
        return this._baseZIndex;
    }
    set baseZIndex(val) {
        this._baseZIndex = val;
        console.log('The baseZIndex property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    /**
     * Transition options of the show animation.
     * @group Props
     * @deprecated since v14.2.0, use overlayOptions property instead.
     */
    get showTransitionOptions() {
        return this._showTransitionOptions;
    }
    set showTransitionOptions(val) {
        this._showTransitionOptions = val;
        console.log('The showTransitionOptions property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    /**
     * Transition options of the hide animation.
     * @group Props
     * @deprecated since v14.2.0, use overlayOptions property instead.
     */
    get hideTransitionOptions() {
        return this._hideTransitionOptions;
    }
    set hideTransitionOptions(val) {
        this._hideTransitionOptions = val;
        console.log('The hideTransitionOptions property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    /**
     * Label to display when there are no selections.
     * @group Props
     * @deprecated Use placeholder instead.
     */
    set defaultLabel(val) {
        this._defaultLabel = val;
        console.log('defaultLabel property is deprecated since 16.6.0, use placeholder instead');
    }
    get defaultLabel() {
        return this._defaultLabel;
    }
    /**
     * Label to display when there are no selections.
     * @group Props
     */
    set placeholder(val) {
        this._placeholder.set(val);
    }
    get placeholder() {
        return this._placeholder.asReadonly();
    }
    /**
     * An array of objects to display as the available options.
     * @group Props
     */
    get options() {
        return this._options();
    }
    set options(val) {
        if (!deepEquals(this._options(), val)) {
            this._options.set(val);
        }
    }
    /**
     * When specified, filter displays with this value.
     * @group Props
     */
    get filterValue() {
        return this._filterValue();
    }
    set filterValue(val) {
        this._filterValue.set(val);
    }
    /**
     * Item size of item to be virtual scrolled.
     * @group Props
     * @deprecated use virtualScrollItemSize property instead.
     */
    get itemSize() {
        return this._itemSize;
    }
    set itemSize(val) {
        this._itemSize = val;
        console.log('The itemSize property is deprecated, use virtualScrollItemSize property instead.');
    }
    /**
     * Whether all data is selected.
     * @group Props
     */
    get selectAll() {
        return this._selectAll;
    }
    set selectAll(value) {
        this._selectAll = value;
    }
    /**
     * Indicates whether to focus on options when hovering over them, defaults to optionLabel.
     * @group Props
     */
    focusOnHover = true;
    /**
     * Fields used when filtering the options, defaults to optionLabel.
     * @group Props
     */
    filterFields;
    /**
     * Determines if the option will be selected on focus.
     * @group Props
     */
    selectOnFocus = false;
    /**
     * Whether to focus on the first visible or selected element when the overlay panel is shown.
     * @group Props
     */
    autoOptionFocus = false;
    /**
     * Callback to invoke when value changes.
     * @param {MultiSelectChangeEvent} event - Custom change event.
     * @group Emits
     */
    onChange = new EventEmitter();
    /**
     * Callback to invoke when data is filtered.
     * @param {MultiSelectFilterEvent} event - Custom filter event.
     * @group Emits
     */
    onFilter = new EventEmitter();
    /**
     * Callback to invoke when multiselect receives focus.
     * @param {MultiSelectFocusEvent} event - Custom focus event.
     * @group Emits
     */
    onFocus = new EventEmitter();
    /**
     * Callback to invoke when multiselect loses focus.
     * @param {MultiSelectBlurEvent} event - Custom blur event.
     * @group Emits
     */
    onBlur = new EventEmitter();
    /**
     * Callback to invoke when component is clicked.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onClick = new EventEmitter();
    /**
     * Callback to invoke when input field is cleared.
     * @group Emits
     */
    onClear = new EventEmitter();
    /**
     * Callback to invoke when overlay panel becomes visible.
     * @param {AnimationEvent} event - Animation event.
     * @group Emits
     */
    onPanelShow = new EventEmitter();
    /**
     * Callback to invoke when overlay panel becomes hidden.
     * @param {AnimationEvent} event - Animation event.
     * @group Emits
     */
    onPanelHide = new EventEmitter();
    /**
     * Callback to invoke in lazy mode to load new data.
     * @param {MultiSelectLazyLoadEvent} event - Lazy load event.
     * @group Emits
     */
    onLazyLoad = new EventEmitter();
    /**
     * Callback to invoke in lazy mode to load new data.
     * @param {MultiSelectRemoveEvent} event - Remove event.
     * @group Emits
     */
    onRemove = new EventEmitter();
    /**
     * Callback to invoke when all data is selected.
     * @param {MultiSelectSelectAllChangeEvent} event - Custom select event.
     * @group Emits
     */
    onSelectAllChange = new EventEmitter();
    overlayViewChild;
    filterInputChild;
    focusInputViewChild;
    itemsViewChild;
    scroller;
    lastHiddenFocusableElementOnOverlay;
    firstHiddenFocusableElementOnOverlay;
    headerCheckboxViewChild;
    footerFacet;
    headerFacet;
    _componentStyle = inject(MultiSelectStyle);
    searchValue;
    searchTimeout;
    _selectAll = null;
    _autoZIndex;
    _baseZIndex;
    _showTransitionOptions;
    _hideTransitionOptions;
    _defaultLabel;
    _placeholder = signal(undefined);
    _itemSize;
    _selectionLimit;
    _disableTooltip = false;
    value;
    _filteredOptions;
    onModelChange = () => { };
    onModelTouched = () => { };
    valuesAsString;
    focus;
    filtered;
    itemTemplate;
    groupTemplate;
    loaderTemplate;
    headerTemplate;
    filterTemplate;
    footerTemplate;
    emptyFilterTemplate;
    emptyTemplate;
    selectedItemsTemplate;
    checkIconTemplate;
    loadingIconTemplate;
    filterIconTemplate;
    removeTokenIconTemplate;
    chipIconTemplate;
    clearIconTemplate;
    dropdownIconTemplate;
    itemCheckboxIconTemplate;
    headerCheckboxIconTemplate;
    templates;
    _itemTemplate;
    _groupTemplate;
    _loaderTemplate;
    _headerTemplate;
    _filterTemplate;
    _footerTemplate;
    _emptyFilterTemplate;
    _emptyTemplate;
    _selectedItemsTemplate;
    _checkIconTemplate;
    _loadingIconTemplate;
    _filterIconTemplate;
    _removeTokenIconTemplate;
    _chipIconTemplate;
    _clearIconTemplate;
    _dropdownIconTemplate;
    _itemCheckboxIconTemplate;
    _headerCheckboxIconTemplate;
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'item':
                    this._itemTemplate = item.template;
                    break;
                case 'group':
                    this._groupTemplate = item.template;
                    break;
                case 'selectedItems':
                case 'selecteditems':
                    this._selectedItemsTemplate = item.template;
                    break;
                case 'header':
                    this._headerTemplate = item.template;
                    break;
                case 'filter':
                    this._filterTemplate = item.template;
                    break;
                case 'emptyfilter':
                    this._emptyFilterTemplate = item.template;
                    break;
                case 'empty':
                    this._emptyTemplate = item.template;
                    break;
                case 'footer':
                    this._footerTemplate = item.template;
                    break;
                case 'loader':
                    this._loaderTemplate = item.template;
                    break;
                case 'checkicon':
                    this._checkIconTemplate = item.template;
                    console.warn('checkicon is deprecated and will removed in future. Use itemcheckboxicon or headercheckboxicon templates instead.');
                    break;
                case 'headercheckboxicon':
                    this._headerCheckboxIconTemplate = item.template;
                    break;
                case 'loadingicon':
                    this._loadingIconTemplate = item.template;
                    break;
                case 'filtericon':
                    this._filterIconTemplate = item.template;
                    break;
                case 'removetokenicon':
                    this._removeTokenIconTemplate = item.template;
                    break;
                case 'clearicon':
                    this._clearIconTemplate = item.template;
                    break;
                case 'dropdownicon':
                    this._dropdownIconTemplate = item.template;
                    break;
                case 'itemcheckboxicon':
                    this._itemCheckboxIconTemplate = item.template;
                    break;
                case 'chipicon':
                    this._chipIconTemplate = item.template;
                    break;
                default:
                    this._itemTemplate = item.template;
                    break;
            }
        });
    }
    headerCheckboxFocus;
    filterOptions;
    preventModelTouched;
    preventDocumentDefault;
    focused = false;
    itemsWrapper;
    _displaySelectedLabel = true;
    _maxSelectedLabels = 3;
    modelValue = signal(null);
    _filterValue = signal(null);
    _options = signal(null);
    startRangeIndex = signal(-1);
    focusedOptionIndex = signal(-1);
    selectedOptions;
    clickInProgress = false;
    get hostClasses() {
        const classes = [];
        if (typeof this.rootClass === 'string') {
            classes.push(this.rootClass);
        }
        else if (Array.isArray(this.rootClass)) {
            classes.push(...this.rootClass);
        }
        else if (typeof this.rootClass === 'object') {
            Object.keys(this.rootClass)
                .filter((key) => this.rootClass[key])
                .forEach((key) => classes.push(key));
        }
        if (this.styleClass) {
            classes.push(this.styleClass);
        }
        return classes.join(' ');
    }
    get rootClass() {
        return this._componentStyle.classes.root({ instance: this });
    }
    get labelClass() {
        return this._componentStyle.classes.label({ instance: this });
    }
    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() {
        if (typeof this.modelValue() === 'string')
            return !!this.modelValue();
        return isNotEmpty(this.modelValue());
    }
    get isVisibleClearIcon() {
        return this.modelValue() != null && this.modelValue() !== '' && isNotEmpty(this.modelValue()) && this.showClear && !this.disabled && !this.readonly && this.filled;
    }
    get toggleAllAriaLabel() {
        return this.config.translation.aria ? this.config.translation.aria[this.allSelected() ? 'selectAll' : 'unselectAll'] : undefined;
    }
    get closeAriaLabel() {
        return this.config.translation.aria ? this.config.translation.aria.close : undefined;
    }
    get listLabel() {
        return this.config.getTranslation(TranslationKeys.ARIA)['listLabel'];
    }
    get hasFluid() {
        const nativeElement = this.el.nativeElement;
        const fluidComponent = nativeElement.closest('p-fluid');
        return this.fluid || !!fluidComponent;
    }
    getAllVisibleAndNonVisibleOptions() {
        return this.group ? this.flatOptions(this.options) : this.options || [];
    }
    visibleOptions = computed(() => {
        const options = this.getAllVisibleAndNonVisibleOptions();
        const isArrayOfObjects = isArray(options) && ObjectUtils.isObject(options[0]);
        if (this._filterValue()) {
            let filteredOptions;
            if (isArrayOfObjects) {
                filteredOptions = this.filterService.filter(options, this.searchFields(), this._filterValue(), this.filterMatchMode, this.filterLocale);
            }
            else {
                filteredOptions = options.filter((option) => option.toString().toLocaleLowerCase().includes(this._filterValue().toLocaleLowerCase()));
            }
            if (this.group) {
                const optionGroups = this.options || [];
                const filtered = [];
                optionGroups.forEach((group) => {
                    const groupChildren = this.getOptionGroupChildren(group);
                    const filteredItems = groupChildren.filter((item) => filteredOptions.includes(item));
                    if (filteredItems.length > 0)
                        filtered.push({
                            ...group,
                            [typeof this.optionGroupChildren === 'string' ? this.optionGroupChildren : 'items']: [...filteredItems]
                        });
                });
                return this.flatOptions(filtered);
            }
            return filteredOptions;
        }
        return options;
    });
    label = computed(() => {
        let label;
        const modelValue = this.modelValue();
        if (modelValue && modelValue.length && this.displaySelectedLabel) {
            if (isNotEmpty(this.maxSelectedLabels) && modelValue.length > this.maxSelectedLabels) {
                return this.getSelectedItemsLabel();
            }
            else {
                label = '';
                for (let i = 0; i < modelValue.length; i++) {
                    if (i !== 0) {
                        label += ', ';
                    }
                    label += this.getLabelByValue(modelValue[i]);
                }
            }
        }
        else {
            label = this.placeholder() || this.defaultLabel || '';
        }
        return label;
    });
    chipSelectedItems = computed(() => {
        return isNotEmpty(this.maxSelectedLabels) && this.modelValue() && this.modelValue().length > this.maxSelectedLabels ? this.modelValue().slice(0, this.maxSelectedLabels) : this.modelValue();
    });
    constructor(zone, filterService, overlayService) {
        super();
        this.zone = zone;
        this.filterService = filterService;
        this.overlayService = overlayService;
        effect(() => {
            const modelValue = this.modelValue();
            const allVisibleAndNonVisibleOptions = this.getAllVisibleAndNonVisibleOptions();
            if (allVisibleAndNonVisibleOptions && isNotEmpty(allVisibleAndNonVisibleOptions)) {
                if (this.optionValue && this.optionLabel && modelValue) {
                    this.selectedOptions = allVisibleAndNonVisibleOptions.filter((option) => modelValue.includes(option[this.optionLabel]) || modelValue.includes(option[this.optionValue]));
                }
                else {
                    this.selectedOptions = modelValue;
                }
                this.cd.markForCheck();
            }
        });
    }
    ngOnInit() {
        super.ngOnInit();
        this.id = this.id || uuid('pn_id_');
        this.autoUpdateModel();
        if (this.filterBy) {
            this.filterOptions = {
                filter: (value) => this.onFilterInputChange(value),
                reset: () => this.resetFilter()
            };
        }
    }
    maxSelectionLimitReached() {
        return this.selectionLimit && this.modelValue() && this.modelValue().length === this.selectionLimit;
    }
    ngAfterViewInit() {
        super.ngAfterViewInit();
        if (this.overlayVisible) {
            this.show();
        }
    }
    ngAfterViewChecked() {
        if (this.filtered) {
            this.zone.runOutsideAngular(() => {
                setTimeout(() => {
                    this.overlayViewChild?.alignOverlay();
                }, 1);
            });
            this.filtered = false;
        }
    }
    flatOptions(options) {
        return (options || []).reduce((result, option, index) => {
            result.push({ optionGroup: option, group: true, index });
            const optionGroupChildren = this.getOptionGroupChildren(option);
            optionGroupChildren && optionGroupChildren.forEach((o) => result.push(o));
            return result;
        }, []);
    }
    autoUpdateModel() {
        if (this.selectOnFocus && this.autoOptionFocus && !this.hasSelectedOption()) {
            this.focusedOptionIndex.set(this.findFirstFocusedOptionIndex());
            const value = this.getOptionValue(this.visibleOptions()[this.focusedOptionIndex()]);
            this.onOptionSelect({ originalEvent: null, option: [value] });
        }
    }
    /**
     * Updates the model value.
     * @group Method
     */
    updateModel(value, event) {
        this.value = value;
        this.onModelChange(value);
        this.modelValue.set(value);
    }
    onInputClick(event) {
        event.stopPropagation();
        event.preventDefault();
        this.focusedOptionIndex.set(-1);
    }
    onOptionSelect(event, isFocus = false, index = -1) {
        const { originalEvent, option } = event;
        if (this.disabled || this.isOptionDisabled(option)) {
            return;
        }
        let selected = this.isSelected(option);
        let value = null;
        if (selected) {
            value = this.modelValue().filter((val) => !equals(val, this.getOptionValue(option), this.equalityKey()));
        }
        else {
            value = [...(this.modelValue() || []), this.getOptionValue(option)];
        }
        this.updateModel(value, originalEvent);
        index !== -1 && this.focusedOptionIndex.set(index);
        isFocus && focus(this.focusInputViewChild?.nativeElement);
        this.onChange.emit({
            originalEvent: event,
            value: value,
            itemValue: option
        });
    }
    findSelectedOptionIndex() {
        return this.hasSelectedOption() ? this.visibleOptions().findIndex((option) => this.isValidSelectedOption(option)) : -1;
    }
    onOptionSelectRange(event, start = -1, end = -1) {
        start === -1 && (start = this.findNearestSelectedOptionIndex(end, true));
        end === -1 && (end = this.findNearestSelectedOptionIndex(start));
        if (start !== -1 && end !== -1) {
            const rangeStart = Math.min(start, end);
            const rangeEnd = Math.max(start, end);
            const value = this.visibleOptions()
                .slice(rangeStart, rangeEnd + 1)
                .filter((option) => this.isValidOption(option))
                .map((option) => this.getOptionValue(option));
            this.updateModel(value, event);
        }
    }
    searchFields() {
        return (this.filterBy || this.optionLabel || 'label').split(',');
    }
    findNearestSelectedOptionIndex(index, firstCheckUp = false) {
        let matchedOptionIndex = -1;
        if (this.hasSelectedOption()) {
            if (firstCheckUp) {
                matchedOptionIndex = this.findPrevSelectedOptionIndex(index);
                matchedOptionIndex = matchedOptionIndex === -1 ? this.findNextSelectedOptionIndex(index) : matchedOptionIndex;
            }
            else {
                matchedOptionIndex = this.findNextSelectedOptionIndex(index);
                matchedOptionIndex = matchedOptionIndex === -1 ? this.findPrevSelectedOptionIndex(index) : matchedOptionIndex;
            }
        }
        return matchedOptionIndex > -1 ? matchedOptionIndex : index;
    }
    findPrevSelectedOptionIndex(index) {
        const matchedOptionIndex = this.hasSelectedOption() && index > 0 ? findLastIndex(this.visibleOptions().slice(0, index), (option) => this.isValidSelectedOption(option)) : -1;
        return matchedOptionIndex > -1 ? matchedOptionIndex : -1;
    }
    findFirstFocusedOptionIndex() {
        const selectedIndex = this.findFirstSelectedOptionIndex();
        return selectedIndex < 0 ? this.findFirstOptionIndex() : selectedIndex;
    }
    findFirstOptionIndex() {
        return this.visibleOptions().findIndex((option) => this.isValidOption(option));
    }
    findFirstSelectedOptionIndex() {
        return this.hasSelectedOption() ? this.visibleOptions().findIndex((option) => this.isValidSelectedOption(option)) : -1;
    }
    findNextSelectedOptionIndex(index) {
        const matchedOptionIndex = this.hasSelectedOption() && index < this.visibleOptions().length - 1
            ? this.visibleOptions()
                .slice(index + 1)
                .findIndex((option) => this.isValidSelectedOption(option))
            : -1;
        return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : -1;
    }
    equalityKey() {
        return this.optionValue ? null : this.dataKey;
    }
    hasSelectedOption() {
        return isNotEmpty(this.modelValue());
    }
    isValidSelectedOption(option) {
        return this.isValidOption(option) && this.isSelected(option);
    }
    isOptionGroup(option) {
        return (this.group || this.optionGroupLabel) && option.optionGroup && option.group;
    }
    isValidOption(option) {
        return option && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
    }
    isOptionDisabled(option) {
        if (this.maxSelectionLimitReached() && !this.isSelected(option)) {
            return true;
        }
        return this.optionDisabled ? resolveFieldData(option, this.optionDisabled) : option && option.disabled !== undefined ? option.disabled : false;
    }
    isSelected(option) {
        const optionValue = this.getOptionValue(option);
        return (this.modelValue() || []).some((value) => equals(value, optionValue, this.equalityKey()));
    }
    isOptionMatched(option) {
        return this.isValidOption(option) && this.getOptionLabel(option).toString().toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
    }
    isEmpty() {
        return !this._options() || (this.visibleOptions() && this.visibleOptions().length === 0);
    }
    getOptionIndex(index, scrollerOptions) {
        return this.virtualScrollerDisabled ? index : scrollerOptions && scrollerOptions.getItemOptions(index)['index'];
    }
    getAriaPosInset(index) {
        return ((this.optionGroupLabel
            ? index -
                this.visibleOptions()
                    .slice(0, index)
                    .filter((option) => this.isOptionGroup(option)).length
            : index) + 1);
    }
    get ariaSetSize() {
        return this.visibleOptions().filter((option) => !this.isOptionGroup(option)).length;
    }
    getLabelByValue(value) {
        const options = this.group ? this.flatOptions(this._options()) : this._options() || [];
        const matchedOption = options.find((option) => !this.isOptionGroup(option) && equals(this.getOptionValue(option), value, this.equalityKey()));
        return matchedOption ? this.getOptionLabel(matchedOption) : null;
    }
    getSelectedItemsLabel() {
        let pattern = /{(.*?)}/;
        let message = this.selectedItemsLabel ? this.selectedItemsLabel : this.config.getTranslation(TranslationKeys.SELECTION_MESSAGE);
        if (pattern.test(message)) {
            return message.replace(message.match(pattern)[0], this.modelValue().length + '');
        }
        return message;
    }
    getOptionLabel(option) {
        return this.optionLabel ? resolveFieldData(option, this.optionLabel) : option && option.label != undefined ? option.label : option;
    }
    getOptionValue(option) {
        return this.optionValue ? resolveFieldData(option, this.optionValue) : !this.optionLabel && option && option.value !== undefined ? option.value : option;
    }
    getOptionGroupLabel(optionGroup) {
        return this.optionGroupLabel ? resolveFieldData(optionGroup, this.optionGroupLabel) : optionGroup && optionGroup.label != undefined ? optionGroup.label : optionGroup;
    }
    getOptionGroupChildren(optionGroup) {
        return this.optionGroupChildren ? resolveFieldData(optionGroup, this.optionGroupChildren) : optionGroup.items;
    }
    onKeyDown(event) {
        if (this.disabled) {
            event.preventDefault();
            return;
        }
        const metaKey = event.metaKey || event.ctrlKey;
        switch (event.code) {
            case 'ArrowDown':
                this.onArrowDownKey(event);
                break;
            case 'ArrowUp':
                this.onArrowUpKey(event);
                break;
            case 'Home':
                this.onHomeKey(event);
                break;
            case 'End':
                this.onEndKey(event);
                break;
            case 'PageDown':
                this.onPageDownKey(event);
                break;
            case 'PageUp':
                this.onPageUpKey(event);
                break;
            case 'Enter':
            case 'Space':
                this.onEnterKey(event);
                break;
            case 'Escape':
                this.onEscapeKey(event);
                break;
            case 'Tab':
                this.onTabKey(event);
                break;
            case 'ShiftLeft':
            case 'ShiftRight':
                this.onShiftKey();
                break;
            default:
                if (event.code === 'KeyA' && metaKey) {
                    const value = this.visibleOptions()
                        .filter((option) => this.isValidOption(option))
                        .map((option) => this.getOptionValue(option));
                    this.updateModel(value, event);
                    event.preventDefault();
                    break;
                }
                if (!metaKey && isPrintableCharacter(event.key)) {
                    !this.overlayVisible && this.show();
                    this.searchOptions(event, event.key);
                    event.preventDefault();
                }
                break;
        }
    }
    onFilterKeyDown(event) {
        switch (event.code) {
            case 'ArrowDown':
                this.onArrowDownKey(event);
                break;
            case 'ArrowUp':
                this.onArrowUpKey(event, true);
                break;
            case 'ArrowLeft':
            case 'ArrowRight':
                this.onArrowLeftKey(event, true);
                break;
            case 'Home':
                this.onHomeKey(event, true);
                break;
            case 'End':
                this.onEndKey(event, true);
                break;
            case 'Enter':
            case 'NumpadEnter':
                this.onEnterKey(event);
                break;
            case 'Escape':
                this.onEscapeKey(event);
                break;
            case 'Tab':
                this.onTabKey(event, true);
                break;
            default:
                break;
        }
    }
    onArrowLeftKey(event, pressedInInputText = false) {
        pressedInInputText && this.focusedOptionIndex.set(-1);
    }
    onArrowDownKey(event) {
        const optionIndex = this.focusedOptionIndex() !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex()) : this.findFirstFocusedOptionIndex();
        if (event.shiftKey) {
            this.onOptionSelectRange(event, this.startRangeIndex(), optionIndex);
        }
        this.changeFocusedOptionIndex(event, optionIndex);
        !this.overlayVisible && this.show();
        event.preventDefault();
        event.stopPropagation();
    }
    onArrowUpKey(event, pressedInInputText = false) {
        if (event.altKey && !pressedInInputText) {
            if (this.focusedOptionIndex() !== -1) {
                this.onOptionSelect(event, this.visibleOptions()[this.focusedOptionIndex()]);
            }
            this.overlayVisible && this.hide();
            event.preventDefault();
        }
        else {
            const optionIndex = this.focusedOptionIndex() !== -1 ? this.findPrevOptionIndex(this.focusedOptionIndex()) : this.findLastFocusedOptionIndex();
            if (event.shiftKey) {
                this.onOptionSelectRange(event, optionIndex, this.startRangeIndex());
            }
            this.changeFocusedOptionIndex(event, optionIndex);
            !this.overlayVisible && this.show();
            event.preventDefault();
        }
        event.stopPropagation();
    }
    onHomeKey(event, pressedInInputText = false) {
        const { currentTarget } = event;
        if (pressedInInputText) {
            const len = currentTarget.value.length;
            currentTarget.setSelectionRange(0, event.shiftKey ? len : 0);
            this.focusedOptionIndex.set(-1);
        }
        else {
            let metaKey = event.metaKey || event.ctrlKey;
            let optionIndex = this.findFirstOptionIndex();
            if (event.shiftKey && metaKey) {
                this.onOptionSelectRange(event, optionIndex, this.startRangeIndex());
            }
            this.changeFocusedOptionIndex(event, optionIndex);
            !this.overlayVisible && this.show();
        }
        event.preventDefault();
    }
    onEndKey(event, pressedInInputText = false) {
        const { currentTarget } = event;
        if (pressedInInputText) {
            const len = currentTarget.value.length;
            currentTarget.setSelectionRange(event.shiftKey ? 0 : len, len);
            this.focusedOptionIndex.set(-1);
        }
        else {
            let metaKey = event.metaKey || event.ctrlKey;
            let optionIndex = this.findLastFocusedOptionIndex();
            if (event.shiftKey && metaKey) {
                this.onOptionSelectRange(event, this.startRangeIndex(), optionIndex);
            }
            this.changeFocusedOptionIndex(event, optionIndex);
            !this.overlayVisible && this.show();
        }
        event.preventDefault();
    }
    onPageDownKey(event) {
        this.scrollInView(this.visibleOptions().length - 1);
        event.preventDefault();
    }
    onPageUpKey(event) {
        this.scrollInView(0);
        event.preventDefault();
    }
    onEnterKey(event) {
        if (!this.overlayVisible) {
            this.onArrowDownKey(event);
        }
        else {
            if (this.focusedOptionIndex() !== -1) {
                if (event.shiftKey) {
                    this.onOptionSelectRange(event, this.focusedOptionIndex());
                }
                else {
                    this.onOptionSelect({ originalEvent: event, option: this.visibleOptions()[this.focusedOptionIndex()] });
                }
            }
        }
        event.preventDefault();
    }
    onEscapeKey(event) {
        this.overlayVisible && this.hide(true);
        event.stopPropagation();
        event.preventDefault();
    }
    onDeleteKey(event) {
        if (this.showClear) {
            this.clear(event);
            event.preventDefault();
        }
    }
    onTabKey(event, pressedInInputText = false) {
        if (!pressedInInputText) {
            if (this.overlayVisible && this.hasFocusableElements()) {
                focus(event.shiftKey ? this.lastHiddenFocusableElementOnOverlay.nativeElement : this.firstHiddenFocusableElementOnOverlay.nativeElement);
                event.preventDefault();
            }
            else {
                if (this.focusedOptionIndex() !== -1) {
                    this.onOptionSelect({ originalEvent: event, option: this.visibleOptions()[this.focusedOptionIndex()] });
                }
                this.overlayVisible && this.hide(this.filter);
            }
        }
    }
    onShiftKey() {
        this.startRangeIndex.set(this.focusedOptionIndex());
    }
    onContainerClick(event) {
        if (this.disabled || this.loading || this.readonly || event.target.isSameNode(this.focusInputViewChild?.nativeElement)) {
            return;
        }
        if (!this.overlayViewChild || !this.overlayViewChild.el.nativeElement.contains(event.target)) {
            if (this.clickInProgress) {
                return;
            }
            this.clickInProgress = true;
            setTimeout(() => {
                this.clickInProgress = false;
            }, 150);
            this.overlayVisible ? this.hide(true) : this.show(true);
        }
        this.focusInputViewChild?.nativeElement.focus({ preventScroll: true });
        this.onClick.emit(event);
        this.cd.detectChanges();
    }
    onFirstHiddenFocus(event) {
        const focusableEl = event.relatedTarget === this.focusInputViewChild?.nativeElement ? getFirstFocusableElement(this.overlayViewChild?.overlayViewChild?.nativeElement, ':not([data-p-hidden-focusable="true"])') : this.focusInputViewChild?.nativeElement;
        focus(focusableEl);
    }
    onInputFocus(event) {
        this.focused = true;
        const focusedOptionIndex = this.focusedOptionIndex() !== -1 ? this.focusedOptionIndex() : this.overlayVisible && this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1;
        this.focusedOptionIndex.set(focusedOptionIndex);
        this.overlayVisible && this.scrollInView(this.focusedOptionIndex());
        this.onFocus.emit({ originalEvent: event });
    }
    onInputBlur(event) {
        this.focused = false;
        this.onBlur.emit({ originalEvent: event });
        if (!this.preventModelTouched) {
            this.onModelTouched();
        }
        this.preventModelTouched = false;
    }
    onFilterInputChange(event) {
        let value = event.target.value;
        this._filterValue.set(value);
        this.focusedOptionIndex.set(-1);
        this.onFilter.emit({ originalEvent: event, filter: this._filterValue() });
        !this.virtualScrollerDisabled && this.scroller.scrollToIndex(0);
        setTimeout(() => {
            this.overlayViewChild.alignOverlay();
        });
    }
    onLastHiddenFocus(event) {
        const focusableEl = event.relatedTarget === this.focusInputViewChild?.nativeElement ? getLastFocusableElement(this.overlayViewChild?.overlayViewChild?.nativeElement, ':not([data-p-hidden-focusable="true"])') : this.focusInputViewChild?.nativeElement;
        focus(focusableEl);
    }
    onOptionMouseEnter(event, index) {
        if (this.focusOnHover) {
            this.changeFocusedOptionIndex(event, index);
        }
    }
    onHeaderCheckboxKeyDown(event) {
        if (this.disabled) {
            event.preventDefault();
            return;
        }
        switch (event.code) {
            case 'Space':
                this.onToggleAll(event);
                break;
            case 'Enter':
                this.onToggleAll(event);
                break;
            default:
                break;
        }
    }
    onFilterBlur(event) {
        this.focusedOptionIndex.set(-1);
    }
    onHeaderCheckboxFocus() {
        this.headerCheckboxFocus = true;
    }
    onHeaderCheckboxBlur() {
        this.headerCheckboxFocus = false;
    }
    onToggleAll(event) {
        if (this.disabled || this.readonly) {
            return;
        }
        if (this.selectAll != null) {
            this.onSelectAllChange.emit({
                originalEvent: event,
                checked: !this.allSelected()
            });
        }
        else {
            // pre-selected disabled options should always be selected.
            const selectedDisabledOptions = this.getAllVisibleAndNonVisibleOptions().filter((option) => this.isSelected(option) && (this.optionDisabled ? resolveFieldData(option, this.optionDisabled) : option && option.disabled !== undefined ? option.disabled : false));
            const visibleOptions = this.allSelected()
                ? this.visibleOptions().filter((option) => !this.isValidOption(option) && this.isSelected(option))
                : this.visibleOptions().filter((option) => this.isSelected(option) || this.isValidOption(option));
            const optionValues = [...selectedDisabledOptions, ...visibleOptions].map((option) => this.getOptionValue(option));
            const value = [...new Set(optionValues)];
            this.updateModel(value, event);
            // because onToggleAll could have been called during filtering, this additional test needs to be performed before calling onSelectAllChange.emit
            if (!value.length || value.length === this.getAllVisibleAndNonVisibleOptions().length) {
                this.onSelectAllChange.emit({
                    originalEvent: event,
                    checked: !!value.length
                });
            }
        }
        if (this.partialSelected()) {
            this.selectedOptions = null;
            this.cd.markForCheck();
        }
        this.onChange.emit({ originalEvent: event, value: this.value });
        DomHandler.focus(this.headerCheckboxViewChild?.inputViewChild?.nativeElement);
        this.headerCheckboxFocus = true;
        event.originalEvent.preventDefault();
        event.originalEvent.stopPropagation();
    }
    changeFocusedOptionIndex(event, index) {
        if (this.focusedOptionIndex() !== index) {
            this.focusedOptionIndex.set(index);
            this.scrollInView();
        }
    }
    get virtualScrollerDisabled() {
        return !this.virtualScroll;
    }
    scrollInView(index = -1) {
        const id = index !== -1 ? `${this.id}_${index}` : this.focusedOptionId;
        if (this.itemsViewChild && this.itemsViewChild.nativeElement) {
            const element = findSingle(this.itemsViewChild.nativeElement, `li[id="${id}"]`);
            if (element) {
                element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'nearest' });
            }
            else if (!this.virtualScrollerDisabled) {
                setTimeout(() => {
                    this.virtualScroll && this.scroller?.scrollToIndex(index !== -1 ? index : this.focusedOptionIndex());
                }, 0);
            }
        }
    }
    get focusedOptionId() {
        return this.focusedOptionIndex() !== -1 ? `${this.id}_${this.focusedOptionIndex()}` : null;
    }
    writeValue(value) {
        this.value = value;
        this.modelValue.set(this.value);
        this.cd.markForCheck();
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
    allSelected() {
        return this.selectAll !== null ? this.selectAll : isNotEmpty(this.visibleOptions()) && this.visibleOptions().every((option) => this.isOptionGroup(option) || this.isOptionDisabled(option) || this.isSelected(option));
    }
    partialSelected() {
        return this.selectedOptions && this.selectedOptions.length > 0 && this.selectedOptions.length < this.options.length;
    }
    /**
     * Displays the panel.
     * @group Method
     */
    show(isFocus) {
        this.overlayVisible = true;
        const focusedOptionIndex = this.focusedOptionIndex() !== -1 ? this.focusedOptionIndex() : this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : this.findSelectedOptionIndex();
        this.focusedOptionIndex.set(focusedOptionIndex);
        if (isFocus) {
            focus(this.focusInputViewChild?.nativeElement);
        }
        this.cd.markForCheck();
    }
    /**
     * Hides the panel.
     * @group Method
     */
    hide(isFocus) {
        this.overlayVisible = false;
        this.focusedOptionIndex.set(-1);
        if (this.filter && this.resetFilterOnHide) {
            this.resetFilter();
        }
        if (this.overlayOptions?.mode === 'modal') {
            unblockBodyScroll();
        }
        isFocus && focus(this.focusInputViewChild?.nativeElement);
        this.cd.markForCheck();
    }
    onOverlayAnimationStart(event) {
        if (event.toState === 'visible') {
            this.itemsWrapper = findSingle(this.overlayViewChild?.overlayViewChild?.nativeElement, this.virtualScroll ? '.p-scroller' : '.p-multiselect-list-container');
            this.virtualScroll && this.scroller?.setContentEl(this.itemsViewChild?.nativeElement);
            if (this.options && this.options.length) {
                if (this.virtualScroll) {
                    const selectedIndex = this.modelValue() ? this.focusedOptionIndex() : -1;
                    if (selectedIndex !== -1) {
                        this.scroller?.scrollToIndex(selectedIndex);
                    }
                }
                else {
                    let selectedListItem = findSingle(this.itemsWrapper, '[data-p-highlight="true"]');
                    if (selectedListItem) {
                        selectedListItem.scrollIntoView({ block: 'nearest', inline: 'nearest' });
                    }
                }
            }
            if (this.filterInputChild && this.filterInputChild.nativeElement) {
                this.preventModelTouched = true;
                if (this.autofocusFilter) {
                    this.filterInputChild.nativeElement.focus();
                }
            }
            this.onPanelShow.emit(event);
        }
        if (event.toState === 'void') {
            this.itemsWrapper = null;
            this.onModelTouched();
            this.onPanelHide.emit(event);
        }
    }
    resetFilter() {
        if (this.filterInputChild && this.filterInputChild.nativeElement) {
            this.filterInputChild.nativeElement.value = '';
        }
        this._filterValue.set(null);
        this._filteredOptions = null;
    }
    close(event) {
        this.hide();
        event.preventDefault();
        event.stopPropagation();
    }
    clear(event) {
        this.value = null;
        this.updateModel(null, event);
        this.selectedOptions = null;
        this.onClear.emit();
        this._disableTooltip = true;
        event.stopPropagation();
    }
    labelContainerMouseLeave() {
        if (this._disableTooltip)
            this._disableTooltip = false;
    }
    removeOption(optionValue, event) {
        let value = this.modelValue().filter((val) => !equals(val, optionValue, this.equalityKey()));
        this.updateModel(value, event);
        this.onChange.emit({
            originalEvent: event,
            value: value,
            itemValue: optionValue
        });
        this.onRemove.emit({
            newValue: value,
            removed: optionValue
        });
        event && event.stopPropagation();
    }
    findNextItem(item) {
        let nextItem = item.nextElementSibling;
        if (nextItem)
            return hasClass(nextItem.children[0], 'p-disabled') || isHidden(nextItem.children[0]) || hasClass(nextItem, 'p-multiselect-item-group') ? this.findNextItem(nextItem) : nextItem.children[0];
        else
            return null;
    }
    findPrevItem(item) {
        let prevItem = item.previousElementSibling;
        if (prevItem)
            return hasClass(prevItem.children[0], 'p-disabled') || isHidden(prevItem.children[0]) || hasClass(prevItem, 'p-multiselect-item-group') ? this.findPrevItem(prevItem) : prevItem.children[0];
        else
            return null;
    }
    findNextOptionIndex(index) {
        const matchedOptionIndex = index < this.visibleOptions().length - 1
            ? this.visibleOptions()
                .slice(index + 1)
                .findIndex((option) => this.isValidOption(option))
            : -1;
        return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : index;
    }
    findPrevOptionIndex(index) {
        const matchedOptionIndex = index > 0 ? findLastIndex(this.visibleOptions().slice(0, index), (option) => this.isValidOption(option)) : -1;
        return matchedOptionIndex > -1 ? matchedOptionIndex : index;
    }
    findLastSelectedOptionIndex() {
        return this.hasSelectedOption() ? findLastIndex(this.visibleOptions(), (option) => this.isValidSelectedOption(option)) : -1;
    }
    findLastFocusedOptionIndex() {
        const selectedIndex = this.findLastSelectedOptionIndex();
        return selectedIndex < 0 ? this.findLastOptionIndex() : selectedIndex;
    }
    findLastOptionIndex() {
        return findLastIndex(this.visibleOptions(), (option) => this.isValidOption(option));
    }
    searchOptions(event, char) {
        this.searchValue = (this.searchValue || '') + char;
        let optionIndex = -1;
        let matched = false;
        if (this.focusedOptionIndex() !== -1) {
            optionIndex = this.visibleOptions()
                .slice(this.focusedOptionIndex())
                .findIndex((option) => this.isOptionMatched(option));
            optionIndex =
                optionIndex === -1
                    ? this.visibleOptions()
                        .slice(0, this.focusedOptionIndex())
                        .findIndex((option) => this.isOptionMatched(option))
                    : optionIndex + this.focusedOptionIndex();
        }
        else {
            optionIndex = this.visibleOptions().findIndex((option) => this.isOptionMatched(option));
        }
        if (optionIndex !== -1) {
            matched = true;
        }
        if (optionIndex === -1 && this.focusedOptionIndex() === -1) {
            optionIndex = this.findFirstFocusedOptionIndex();
        }
        if (optionIndex !== -1) {
            this.changeFocusedOptionIndex(event, optionIndex);
        }
        if (this.searchTimeout) {
            clearTimeout(this.searchTimeout);
        }
        this.searchTimeout = setTimeout(() => {
            this.searchValue = '';
            this.searchTimeout = null;
        }, 500);
        return matched;
    }
    activateFilter() {
        if (this.hasFilter() && this._options) {
            if (this.group) {
                let filteredGroups = [];
                for (let optgroup of this.options) {
                    let filteredSubOptions = this.filterService.filter(this.getOptionGroupChildren(optgroup), this.searchFields(), this.filterValue, this.filterMatchMode, this.filterLocale);
                    if (filteredSubOptions && filteredSubOptions.length) {
                        filteredGroups.push({ ...optgroup, ...{ [this.optionGroupChildren]: filteredSubOptions } });
                    }
                }
                this._filteredOptions = filteredGroups;
            }
            else {
                this._filteredOptions = this.filterService.filter(this.options, this.searchFields(), this.filterValue, this.filterMatchMode, this.filterLocale);
            }
        }
        else {
            this._filteredOptions = null;
        }
    }
    hasFocusableElements() {
        return getFocusableElements(this.overlayViewChild.overlayViewChild.nativeElement, ':not([data-p-hidden-focusable="true"])').length > 0;
    }
    hasFilter() {
        return this._filterValue() && this._filterValue().trim().length > 0;
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelect, deps: [{ token: i0.NgZone }, { token: i3.FilterService }, { token: i3.OverlayService }], target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "19.2.2", type: MultiSelect, isStandalone: true, selector: "p-multiSelect, p-multiselect, p-multi-select", inputs: { id: "id", ariaLabel: "ariaLabel", style: "style", styleClass: "styleClass", panelStyle: "panelStyle", panelStyleClass: "panelStyleClass", inputId: "inputId", disabled: ["disabled", "disabled", booleanAttribute], fluid: ["fluid", "fluid", booleanAttribute], readonly: ["readonly", "readonly", booleanAttribute], group: ["group", "group", booleanAttribute], filter: ["filter", "filter", booleanAttribute], filterPlaceHolder: "filterPlaceHolder", filterLocale: "filterLocale", overlayVisible: ["overlayVisible", "overlayVisible", booleanAttribute], tabindex: ["tabindex", "tabindex", numberAttribute], variant: "variant", appendTo: "appendTo", dataKey: "dataKey", name: "name", ariaLabelledBy: "ariaLabelledBy", displaySelectedLabel: "displaySelectedLabel", maxSelectedLabels: "maxSelectedLabels", selectionLimit: ["selectionLimit", "selectionLimit", numberAttribute], selectedItemsLabel: "selectedItemsLabel", showToggleAll: ["showToggleAll", "showToggleAll", booleanAttribute], emptyFilterMessage: "emptyFilterMessage", emptyMessage: "emptyMessage", resetFilterOnHide: ["resetFilterOnHide", "resetFilterOnHide", booleanAttribute], dropdownIcon: "dropdownIcon", chipIcon: "chipIcon", optionLabel: "optionLabel", optionValue: "optionValue", optionDisabled: "optionDisabled", optionGroupLabel: "optionGroupLabel", optionGroupChildren: "optionGroupChildren", showHeader: ["showHeader", "showHeader", booleanAttribute], filterBy: "filterBy", scrollHeight: "scrollHeight", lazy: ["lazy", "lazy", booleanAttribute], virtualScroll: ["virtualScroll", "virtualScroll", booleanAttribute], loading: ["loading", "loading", booleanAttribute], virtualScrollItemSize: ["virtualScrollItemSize", "virtualScrollItemSize", numberAttribute], loadingIcon: "loadingIcon", virtualScrollOptions: "virtualScrollOptions", overlayOptions: "overlayOptions", ariaFilterLabel: "ariaFilterLabel", filterMatchMode: "filterMatchMode", tooltip: "tooltip", tooltipPosition: "tooltipPosition", tooltipPositionStyle: "tooltipPositionStyle", tooltipStyleClass: "tooltipStyleClass", autofocusFilter: ["autofocusFilter", "autofocusFilter", booleanAttribute], display: "display", autocomplete: "autocomplete", size: "size", showClear: ["showClear", "showClear", booleanAttribute], autofocus: ["autofocus", "autofocus", booleanAttribute], autoZIndex: "autoZIndex", baseZIndex: "baseZIndex", showTransitionOptions: "showTransitionOptions", hideTransitionOptions: "hideTransitionOptions", defaultLabel: "defaultLabel", placeholder: "placeholder", options: "options", filterValue: "filterValue", itemSize: "itemSize", selectAll: "selectAll", focusOnHover: ["focusOnHover", "focusOnHover", booleanAttribute], filterFields: "filterFields", selectOnFocus: ["selectOnFocus", "selectOnFocus", booleanAttribute], autoOptionFocus: ["autoOptionFocus", "autoOptionFocus", booleanAttribute] }, outputs: { onChange: "onChange", onFilter: "onFilter", onFocus: "onFocus", onBlur: "onBlur", onClick: "onClick", onClear: "onClear", onPanelShow: "onPanelShow", onPanelHide: "onPanelHide", onLazyLoad: "onLazyLoad", onRemove: "onRemove", onSelectAllChange: "onSelectAllChange" }, host: { listeners: { "click": "onContainerClick($event)" }, properties: { "attr.id": "id", "style": "style", "class.p-variant-filled": "variant === \"filled\" || config.inputVariant() === \"filled\" || config.inputStyle() === \"filled\" ", "class": "this.hostClasses" } }, providers: [MULTISELECT_VALUE_ACCESSOR, MultiSelectStyle], queries: [{ propertyName: "footerFacet", first: true, predicate: Footer, descendants: true }, { propertyName: "headerFacet", first: true, predicate: Header, descendants: true }, { propertyName: "itemTemplate", first: true, predicate: ["item"] }, { propertyName: "groupTemplate", first: true, predicate: ["group"] }, { propertyName: "loaderTemplate", first: true, predicate: ["loader"] }, { propertyName: "headerTemplate", first: true, predicate: ["header"] }, { propertyName: "filterTemplate", first: true, predicate: ["filter"] }, { propertyName: "footerTemplate", first: true, predicate: ["footer"] }, { propertyName: "emptyFilterTemplate", first: true, predicate: ["emptyfilter"] }, { propertyName: "emptyTemplate", first: true, predicate: ["empty"] }, { propertyName: "selectedItemsTemplate", first: true, predicate: ["selecteditems"] }, { propertyName: "checkIconTemplate", first: true, predicate: ["checkicon"] }, { propertyName: "loadingIconTemplate", first: true, predicate: ["loadingicon"] }, { propertyName: "filterIconTemplate", first: true, predicate: ["filtericon"] }, { propertyName: "removeTokenIconTemplate", first: true, predicate: ["removetokenicon"] }, { propertyName: "chipIconTemplate", first: true, predicate: ["chipicon"] }, { propertyName: "clearIconTemplate", first: true, predicate: ["clearicon"] }, { propertyName: "dropdownIconTemplate", first: true, predicate: ["dropdownicon"] }, { propertyName: "itemCheckboxIconTemplate", first: true, predicate: ["itemcheckboxicon"] }, { propertyName: "headerCheckboxIconTemplate", first: true, predicate: ["headercheckboxicon"] }, { propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "overlayViewChild", first: true, predicate: ["overlay"], descendants: true }, { propertyName: "filterInputChild", first: true, predicate: ["filterInput"], descendants: true }, { propertyName: "focusInputViewChild", first: true, predicate: ["focusInput"], descendants: true }, { propertyName: "itemsViewChild", first: true, predicate: ["items"], descendants: true }, { propertyName: "scroller", first: true, predicate: ["scroller"], descendants: true }, { propertyName: "lastHiddenFocusableElementOnOverlay", first: true, predicate: ["lastHiddenFocusableEl"], descendants: true }, { propertyName: "firstHiddenFocusableElementOnOverlay", first: true, predicate: ["firstHiddenFocusableEl"], descendants: true }, { propertyName: "headerCheckboxViewChild", first: true, predicate: ["headerCheckbox"], descendants: true }], usesInheritance: true, ngImport: i0, template: `
        <div class="p-hidden-accessible" [attr.data-p-hidden-accessible]="true">
            <input
                #focusInput
                [pTooltip]="tooltip"
                [tooltipPosition]="tooltipPosition"
                [positionStyle]="tooltipPositionStyle"
                [tooltipStyleClass]="tooltipStyleClass"
                [attr.aria-disabled]="disabled"
                [attr.id]="inputId"
                role="combobox"
                [attr.aria-label]="ariaLabel"
                [attr.aria-labelledby]="ariaLabelledBy"
                [attr.aria-haspopup]="'listbox'"
                [attr.aria-expanded]="overlayVisible ?? false"
                [attr.aria-controls]="overlayVisible ? id + '_list' : null"
                [attr.tabindex]="!disabled ? tabindex : -1"
                [attr.aria-activedescendant]="focused ? focusedOptionId : undefined"
                (focus)="onInputFocus($event)"
                (blur)="onInputBlur($event)"
                (keydown)="onKeyDown($event)"
                [pAutoFocus]="autofocus"
                [attr.value]="label() || 'empty'"
            />
        </div>
        <div
            class="p-multiselect-label-container"
            [pTooltip]="tooltip"
            (mouseleave)="labelContainerMouseLeave()"
            [tooltipDisabled]="_disableTooltip"
            [tooltipPosition]="tooltipPosition"
            [positionStyle]="tooltipPositionStyle"
            [tooltipStyleClass]="tooltipStyleClass"
        >
            <div [ngClass]="labelClass">
                <ng-container *ngIf="!selectedItemsTemplate && !_selectedItemsTemplate">
                    <ng-container *ngIf="display === 'comma'">{{ label() || 'empty' }}</ng-container>
                    <ng-container *ngIf="display === 'chip'">
                        <div #token *ngFor="let item of chipSelectedItems(); let i = index" class="p-multiselect-chip-item">
                            <p-chip styleClass="p-multiselect-chip" [label]="getLabelByValue(item)" [removable]="!disabled && !readonly" (onRemove)="removeOption(item, $event)" [removeIcon]="chipIcon">
                                <ng-container *ngIf="chipIconTemplate || _chipIconTemplate || removeTokenIconTemplate || _removeTokenIconTemplate">
                                    <ng-template #removeicon>
                                        <ng-container *ngIf="!disabled && !readonly">
                                            <span
                                                class="p-multiselect-chip-icon"
                                                *ngIf="chipIconTemplate || _chipIconTemplate || removeTokenIconTemplate || _removeTokenIconTemplate"
                                                (click)="removeOption(item, $event)"
                                                [attr.data-pc-section]="'clearicon'"
                                                [attr.aria-hidden]="true"
                                            >
                                                <ng-container *ngTemplateOutlet="chipIconTemplate || _chipIconTemplate || removeTokenIconTemplate || _removeTokenIconTemplate; context: { class: 'p-multiselect-chip-icon' }"></ng-container>
                                            </span>
                                        </ng-container>
                                    </ng-template>
                                </ng-container>
                            </p-chip>
                        </div>
                        <ng-container *ngIf="!modelValue() || modelValue().length === 0">{{ placeholder() || defaultLabel || 'empty' }}</ng-container>
                    </ng-container>
                </ng-container>
                <ng-container *ngIf="selectedItemsTemplate || _selectedItemsTemplate">
                    <ng-container *ngTemplateOutlet="selectedItemsTemplate || _selectedItemsTemplate; context: { $implicit: selectedOptions, removeChip: removeOption.bind(this) }"></ng-container>
                    <ng-container *ngIf="!modelValue() || modelValue().length === 0">{{ placeholder() || defaultLabel || 'empty' }}</ng-container>
                </ng-container>
            </div>
        </div>
        <ng-container *ngIf="isVisibleClearIcon">
            <TimesIcon *ngIf="!clearIconTemplate && !_clearIconTemplate" class="p-multiselect-clear-icon" (click)="clear($event)" [attr.data-pc-section]="'clearicon'" [attr.aria-hidden]="true" />
            <span *ngIf="clearIconTemplate || _clearIconTemplate" class="p-multiselect-clear-icon" (click)="clear($event)" [attr.data-pc-section]="'clearicon'" [attr.aria-hidden]="true">
                <ng-template *ngTemplateOutlet="clearIconTemplate || _clearIconTemplate"></ng-template>
            </span>
        </ng-container>
        <div class="p-multiselect-dropdown">
            <ng-container *ngIf="loading; else elseBlock">
                <ng-container *ngIf="loadingIconTemplate || _loadingIconTemplate">
                    <ng-container *ngTemplateOutlet="loadingIconTemplate || _loadingIconTemplate"></ng-container>
                </ng-container>
                <ng-container *ngIf="!loadingIconTemplate && !_loadingIconTemplate">
                    <span *ngIf="loadingIcon" [ngClass]="'p-multiselect-loading-icon pi-spin ' + loadingIcon" aria-hidden="true"></span>
                    <span *ngIf="!loadingIcon" [class]="'p-multiselect-loading-icon pi pi-spinner pi-spin'" aria-hidden="true"></span>
                </ng-container>
            </ng-container>
            <ng-template #elseBlock>
                <ng-container *ngIf="!dropdownIconTemplate && !_dropdownIconTemplate">
                    <span *ngIf="dropdownIcon" class="p-multiselect-dropdown-icon" [ngClass]="dropdownIcon" [attr.data-pc-section]="'triggericon'" [attr.aria-hidden]="true"></span>
                    <ChevronDownIcon *ngIf="!dropdownIcon" [styleClass]="'p-multiselect-dropdown-icon'" [attr.data-pc-section]="'triggericon'" [attr.aria-hidden]="true" />
                </ng-container>
                <span *ngIf="dropdownIconTemplate || _dropdownIconTemplate" class="p-multiselect-dropdown-icon" [attr.data-pc-section]="'triggericon'" [attr.aria-hidden]="true">
                    <ng-template *ngTemplateOutlet="dropdownIconTemplate || _dropdownIconTemplate"></ng-template>
                </span>
            </ng-template>
        </div>
        <p-overlay
            #overlay
            [(visible)]="overlayVisible"
            [options]="overlayOptions"
            [target]="'@parent'"
            [appendTo]="appendTo"
            [autoZIndex]="autoZIndex"
            [baseZIndex]="baseZIndex"
            [showTransitionOptions]="showTransitionOptions"
            [hideTransitionOptions]="hideTransitionOptions"
            (onAnimationStart)="onOverlayAnimationStart($event)"
            (onHide)="hide()"
        >
            <ng-template #content>
                <div [attr.id]="id + '_list'" [ngClass]="'p-multiselect-overlay p-component'" [ngStyle]="panelStyle" [class]="panelStyleClass">
                    <span
                        #firstHiddenFocusableEl
                        role="presentation"
                        class="p-hidden-accessible p-hidden-focusable"
                        [attr.tabindex]="0"
                        (focus)="onFirstHiddenFocus($event)"
                        [attr.data-p-hidden-accessible]="true"
                        [attr.data-p-hidden-focusable]="true"
                    >
                    </span>
                    <ng-container *ngTemplateOutlet="headerTemplate || _headerTemplate"></ng-container>
                    <div class="p-multiselect-header" *ngIf="showHeader">
                        <ng-content select="p-header"></ng-content>
                        <ng-container *ngIf="filterTemplate || _filterTemplate; else builtInFilterElement">
                            <ng-container *ngTemplateOutlet="filterTemplate || _filterTemplate; context: { options: filterOptions }"></ng-container>
                        </ng-container>
                        <ng-template #builtInFilterElement>
                            <p-checkbox [ngModel]="allSelected()" [ariaLabel]="toggleAllAriaLabel" [binary]="true" (onChange)="onToggleAll($event)" *ngIf="showToggleAll && !selectionLimit" [variant]="variant" [disabled]="disabled" #headerCheckbox>
                                <ng-template #checkboxicon let-klass="class">
                                    <CheckIcon *ngIf="!headerCheckboxIconTemplate && !_headerCheckboxIconTemplate && allSelected()" [styleClass]="klass" [attr.data-pc-section]="'icon'" />
                                    <ng-template
                                        *ngTemplateOutlet="
                                            headerCheckboxIconTemplate || _headerCheckboxIconTemplate;
                                            context: {
                                                checked: allSelected(),
                                                partialSelected: partialSelected(),
                                                class: klass
                                            }
                                        "
                                    ></ng-template>
                                </ng-template>
                            </p-checkbox>

                            <div class="p-multiselect-filter-container" *ngIf="filter">
                                <p-iconfield>
                                    <input
                                        #filterInput
                                        pInputText
                                        [variant]="variant"
                                        type="text"
                                        [attr.autocomplete]="autocomplete"
                                        role="searchbox"
                                        [attr.aria-owns]="id + '_list'"
                                        [attr.aria-activedescendant]="focusedOptionId"
                                        [value]="_filterValue() || ''"
                                        (input)="onFilterInputChange($event)"
                                        (keydown)="onFilterKeyDown($event)"
                                        (click)="onInputClick($event)"
                                        (blur)="onFilterBlur($event)"
                                        class="p-multiselect-filter"
                                        [disabled]="disabled"
                                        [attr.placeholder]="filterPlaceHolder"
                                        [attr.aria-label]="ariaFilterLabel"
                                    />
                                    <p-inputicon>
                                        <SearchIcon [styleClass]="'p-multiselect-filter-icon'" *ngIf="!filterIconTemplate && !_filterIconTemplate" />
                                        <span *ngIf="filterIconTemplate || _filterIconTemplate" class="p-multiselect-filter-icon">
                                            <ng-template *ngTemplateOutlet="filterIconTemplate || _filterIconTemplate"></ng-template>
                                        </span>
                                    </p-inputicon>
                                </p-iconfield>
                            </div>
                        </ng-template>
                    </div>
                    <div class="p-multiselect-list-container" [style.max-height]="virtualScroll ? 'auto' : scrollHeight || 'auto'">
                        <p-scroller
                            *ngIf="virtualScroll"
                            #scroller
                            [items]="visibleOptions()"
                            [style]="{ height: scrollHeight }"
                            [itemSize]="virtualScrollItemSize || _itemSize"
                            [autoSize]="true"
                            [tabindex]="-1"
                            [lazy]="lazy"
                            (onLazyLoad)="onLazyLoad.emit($event)"
                            [options]="virtualScrollOptions"
                        >
                            <ng-template #content let-items let-scrollerOptions="options">
                                <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: items, options: scrollerOptions }"></ng-container>
                            </ng-template>
                            <ng-container *ngIf="loaderTemplate || _loaderTemplate">
                                <ng-template #loader let-scrollerOptions="options">
                                    <ng-container *ngTemplateOutlet="loaderTemplate || _loaderTemplate; context: { options: scrollerOptions }"></ng-container>
                                </ng-template>
                            </ng-container>
                        </p-scroller>
                        <ng-container *ngIf="!virtualScroll">
                            <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: visibleOptions(), options: {} }"></ng-container>
                        </ng-container>

                        <ng-template #buildInItems let-items let-scrollerOptions="options">
                            <ul #items class="p-multiselect-list" [ngClass]="scrollerOptions.contentStyleClass" [style]="scrollerOptions.contentStyle" role="listbox" aria-multiselectable="true" [attr.aria-label]="listLabel">
                                <ng-template ngFor let-option [ngForOf]="items" let-i="index">
                                    <ng-container *ngIf="isOptionGroup(option)">
                                        <li [attr.id]="id + '_' + getOptionIndex(i, scrollerOptions)" class="p-multiselect-option-group" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                            <span *ngIf="!groupTemplate">{{ getOptionGroupLabel(option.optionGroup) }}</span>
                                            <ng-container *ngTemplateOutlet="groupTemplate; context: { $implicit: option.optionGroup }"></ng-container>
                                        </li>
                                    </ng-container>
                                    <ng-container *ngIf="!isOptionGroup(option)">
                                        <p-multiselect-item
                                            [id]="id + '_' + getOptionIndex(i, scrollerOptions)"
                                            [option]="option"
                                            [selected]="isSelected(option)"
                                            [label]="getOptionLabel(option)"
                                            [disabled]="isOptionDisabled(option)"
                                            [template]="itemTemplate || _itemTemplate"
                                            [checkIconTemplate]="checkIconTemplate || _checkIconTemplate"
                                            [itemCheckboxIconTemplate]="itemCheckboxIconTemplate || _itemCheckboxIconTemplate"
                                            [itemSize]="scrollerOptions.itemSize"
                                            [focused]="focusedOptionIndex() === getOptionIndex(i, scrollerOptions)"
                                            [ariaPosInset]="getAriaPosInset(getOptionIndex(i, scrollerOptions))"
                                            [ariaSetSize]="ariaSetSize"
                                            [variant]="variant"
                                            (onClick)="onOptionSelect($event, false, getOptionIndex(i, scrollerOptions))"
                                            (onMouseEnter)="onOptionMouseEnter($event, getOptionIndex(i, scrollerOptions))"
                                        ></p-multiselect-item>
                                    </ng-container>
                                </ng-template>

                                <li *ngIf="hasFilter() && isEmpty()" class="p-multiselect-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                    @if (!emptyFilterTemplate && !_emptyFilterTemplate && !emptyTemplate && !_emptyTemplate) {
                                        {{ emptyFilterMessageLabel }}
                                    } @else {
                                        <ng-container *ngTemplateOutlet="emptyFilterTemplate || _emptyFilterTemplate || emptyTemplate || _emptyFilterTemplate"></ng-container>
                                    }
                                </li>
                                <li *ngIf="!hasFilter() && isEmpty()" class="p-multiselect-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                    @if (!emptyTemplate && !_emptyTemplate) {
                                        {{ emptyMessageLabel }}
                                    } @else {
                                        <ng-container *ngTemplateOutlet="emptyTemplate || _emptyTemplate"></ng-container>
                                    }
                                </li>
                            </ul>
                        </ng-template>
                    </div>
                    <div *ngIf="footerFacet || footerTemplate || _footerTemplate">
                        <ng-content select="p-footer"></ng-content>
                        <ng-container *ngTemplateOutlet="footerTemplate || _footerTemplate"></ng-container>
                    </div>

                    <span
                        #lastHiddenFocusableEl
                        role="presentation"
                        class="p-hidden-accessible p-hidden-focusable"
                        [attr.tabindex]="0"
                        (focus)="onLastHiddenFocus($event)"
                        [attr.data-p-hidden-accessible]="true"
                        [attr.data-p-hidden-focusable]="true"
                    ></span>
                </div>
            </ng-template>
        </p-overlay>
    `, isInline: true, dependencies: [{ kind: "ngmodule", type: CommonModule }, { kind: "directive", type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i1.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "component", type: MultiSelectItem, selector: "p-multiSelectItem, p-multiselect-item", inputs: ["id", "option", "selected", "label", "disabled", "itemSize", "focused", "ariaPosInset", "ariaSetSize", "variant", "template", "checkIconTemplate", "itemCheckboxIconTemplate"], outputs: ["onClick", "onMouseEnter"] }, { kind: "component", type: Overlay, selector: "p-overlay", inputs: ["visible", "mode", "style", "styleClass", "contentStyle", "contentStyleClass", "target", "appendTo", "autoZIndex", "baseZIndex", "showTransitionOptions", "hideTransitionOptions", "listener", "responsive", "options"], outputs: ["visibleChange", "onBeforeShow", "onShow", "onBeforeHide", "onHide", "onAnimationStart", "onAnimationDone"] }, { kind: "ngmodule", type: SharedModule }, { kind: "directive", type: Tooltip, selector: "[pTooltip]", inputs: ["tooltipPosition", "tooltipEvent", "appendTo", "positionStyle", "tooltipStyleClass", "tooltipZIndex", "escape", "showDelay", "hideDelay", "life", "positionTop", "positionLeft", "autoHide", "fitContent", "hideOnEscape", "pTooltip", "tooltipDisabled", "tooltipOptions"] }, { kind: "component", type: Scroller, selector: "p-scroller, p-virtualscroller, p-virtual-scroller, p-virtualScroller", inputs: ["id", "style", "styleClass", "tabindex", "items", "itemSize", "scrollHeight", "scrollWidth", "orientation", "step", "delay", "resizeDelay", "appendOnly", "inline", "lazy", "disabled", "loaderDisabled", "columns", "showSpacer", "showLoader", "numToleratedItems", "loading", "autoSize", "trackBy", "options"], outputs: ["onLazyLoad", "onScroll", "onScrollIndexChange"] }, { kind: "directive", type: AutoFocus, selector: "[pAutoFocus]", inputs: ["autofocus", "pAutoFocus"] }, { kind: "component", type: CheckIcon, selector: "CheckIcon" }, { kind: "component", type: SearchIcon, selector: "SearchIcon" }, { kind: "component", type: TimesIcon, selector: "TimesIcon" }, { kind: "component", type: ChevronDownIcon, selector: "ChevronDownIcon" }, { kind: "component", type: IconField, selector: "p-iconfield, p-iconField, p-icon-field", inputs: ["iconPosition", "styleClass"] }, { kind: "component", type: InputIcon, selector: "p-inputicon, p-inputIcon", inputs: ["styleClass"] }, { kind: "directive", type: InputText, selector: "[pInputText]", inputs: ["variant", "fluid", "pSize"] }, { kind: "component", type: Chip, selector: "p-chip", inputs: ["label", "icon", "image", "alt", "style", "styleClass", "removable", "removeIcon", "chipProps"], outputs: ["onRemove", "onImageError"] }, { kind: "component", type: Checkbox, selector: "p-checkbox, p-checkBox, p-check-box", inputs: ["value", "name", "disabled", "binary", "ariaLabelledBy", "ariaLabel", "tabindex", "inputId", "style", "inputStyle", "styleClass", "inputClass", "indeterminate", "size", "formControl", "checkboxIcon", "readonly", "required", "autofocus", "trueValue", "falseValue", "variant"], outputs: ["onChange", "onFocus", "onBlur"] }, { kind: "ngmodule", type: FormsModule }, { kind: "directive", type: i2.NgControlStatus, selector: "[formControlName],[ngModel],[formControl]" }, { kind: "directive", type: i2.NgModel, selector: "[ngModel]:not([formControlName]):not([formControl])", inputs: ["name", "disabled", "ngModel", "ngModelOptions"], outputs: ["ngModelChange"], exportAs: ["ngModel"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelect, decorators: [{
            type: Component,
            args: [{
                    selector: 'p-multiSelect, p-multiselect, p-multi-select',
                    standalone: true,
                    imports: [CommonModule, MultiSelectItem, Overlay, SharedModule, Tooltip, Scroller, AutoFocus, CheckIcon, SearchIcon, TimesIcon, ChevronDownIcon, IconField, InputIcon, InputText, Chip, Checkbox, FormsModule],
                    template: `
        <div class="p-hidden-accessible" [attr.data-p-hidden-accessible]="true">
            <input
                #focusInput
                [pTooltip]="tooltip"
                [tooltipPosition]="tooltipPosition"
                [positionStyle]="tooltipPositionStyle"
                [tooltipStyleClass]="tooltipStyleClass"
                [attr.aria-disabled]="disabled"
                [attr.id]="inputId"
                role="combobox"
                [attr.aria-label]="ariaLabel"
                [attr.aria-labelledby]="ariaLabelledBy"
                [attr.aria-haspopup]="'listbox'"
                [attr.aria-expanded]="overlayVisible ?? false"
                [attr.aria-controls]="overlayVisible ? id + '_list' : null"
                [attr.tabindex]="!disabled ? tabindex : -1"
                [attr.aria-activedescendant]="focused ? focusedOptionId : undefined"
                (focus)="onInputFocus($event)"
                (blur)="onInputBlur($event)"
                (keydown)="onKeyDown($event)"
                [pAutoFocus]="autofocus"
                [attr.value]="label() || 'empty'"
            />
        </div>
        <div
            class="p-multiselect-label-container"
            [pTooltip]="tooltip"
            (mouseleave)="labelContainerMouseLeave()"
            [tooltipDisabled]="_disableTooltip"
            [tooltipPosition]="tooltipPosition"
            [positionStyle]="tooltipPositionStyle"
            [tooltipStyleClass]="tooltipStyleClass"
        >
            <div [ngClass]="labelClass">
                <ng-container *ngIf="!selectedItemsTemplate && !_selectedItemsTemplate">
                    <ng-container *ngIf="display === 'comma'">{{ label() || 'empty' }}</ng-container>
                    <ng-container *ngIf="display === 'chip'">
                        <div #token *ngFor="let item of chipSelectedItems(); let i = index" class="p-multiselect-chip-item">
                            <p-chip styleClass="p-multiselect-chip" [label]="getLabelByValue(item)" [removable]="!disabled && !readonly" (onRemove)="removeOption(item, $event)" [removeIcon]="chipIcon">
                                <ng-container *ngIf="chipIconTemplate || _chipIconTemplate || removeTokenIconTemplate || _removeTokenIconTemplate">
                                    <ng-template #removeicon>
                                        <ng-container *ngIf="!disabled && !readonly">
                                            <span
                                                class="p-multiselect-chip-icon"
                                                *ngIf="chipIconTemplate || _chipIconTemplate || removeTokenIconTemplate || _removeTokenIconTemplate"
                                                (click)="removeOption(item, $event)"
                                                [attr.data-pc-section]="'clearicon'"
                                                [attr.aria-hidden]="true"
                                            >
                                                <ng-container *ngTemplateOutlet="chipIconTemplate || _chipIconTemplate || removeTokenIconTemplate || _removeTokenIconTemplate; context: { class: 'p-multiselect-chip-icon' }"></ng-container>
                                            </span>
                                        </ng-container>
                                    </ng-template>
                                </ng-container>
                            </p-chip>
                        </div>
                        <ng-container *ngIf="!modelValue() || modelValue().length === 0">{{ placeholder() || defaultLabel || 'empty' }}</ng-container>
                    </ng-container>
                </ng-container>
                <ng-container *ngIf="selectedItemsTemplate || _selectedItemsTemplate">
                    <ng-container *ngTemplateOutlet="selectedItemsTemplate || _selectedItemsTemplate; context: { $implicit: selectedOptions, removeChip: removeOption.bind(this) }"></ng-container>
                    <ng-container *ngIf="!modelValue() || modelValue().length === 0">{{ placeholder() || defaultLabel || 'empty' }}</ng-container>
                </ng-container>
            </div>
        </div>
        <ng-container *ngIf="isVisibleClearIcon">
            <TimesIcon *ngIf="!clearIconTemplate && !_clearIconTemplate" class="p-multiselect-clear-icon" (click)="clear($event)" [attr.data-pc-section]="'clearicon'" [attr.aria-hidden]="true" />
            <span *ngIf="clearIconTemplate || _clearIconTemplate" class="p-multiselect-clear-icon" (click)="clear($event)" [attr.data-pc-section]="'clearicon'" [attr.aria-hidden]="true">
                <ng-template *ngTemplateOutlet="clearIconTemplate || _clearIconTemplate"></ng-template>
            </span>
        </ng-container>
        <div class="p-multiselect-dropdown">
            <ng-container *ngIf="loading; else elseBlock">
                <ng-container *ngIf="loadingIconTemplate || _loadingIconTemplate">
                    <ng-container *ngTemplateOutlet="loadingIconTemplate || _loadingIconTemplate"></ng-container>
                </ng-container>
                <ng-container *ngIf="!loadingIconTemplate && !_loadingIconTemplate">
                    <span *ngIf="loadingIcon" [ngClass]="'p-multiselect-loading-icon pi-spin ' + loadingIcon" aria-hidden="true"></span>
                    <span *ngIf="!loadingIcon" [class]="'p-multiselect-loading-icon pi pi-spinner pi-spin'" aria-hidden="true"></span>
                </ng-container>
            </ng-container>
            <ng-template #elseBlock>
                <ng-container *ngIf="!dropdownIconTemplate && !_dropdownIconTemplate">
                    <span *ngIf="dropdownIcon" class="p-multiselect-dropdown-icon" [ngClass]="dropdownIcon" [attr.data-pc-section]="'triggericon'" [attr.aria-hidden]="true"></span>
                    <ChevronDownIcon *ngIf="!dropdownIcon" [styleClass]="'p-multiselect-dropdown-icon'" [attr.data-pc-section]="'triggericon'" [attr.aria-hidden]="true" />
                </ng-container>
                <span *ngIf="dropdownIconTemplate || _dropdownIconTemplate" class="p-multiselect-dropdown-icon" [attr.data-pc-section]="'triggericon'" [attr.aria-hidden]="true">
                    <ng-template *ngTemplateOutlet="dropdownIconTemplate || _dropdownIconTemplate"></ng-template>
                </span>
            </ng-template>
        </div>
        <p-overlay
            #overlay
            [(visible)]="overlayVisible"
            [options]="overlayOptions"
            [target]="'@parent'"
            [appendTo]="appendTo"
            [autoZIndex]="autoZIndex"
            [baseZIndex]="baseZIndex"
            [showTransitionOptions]="showTransitionOptions"
            [hideTransitionOptions]="hideTransitionOptions"
            (onAnimationStart)="onOverlayAnimationStart($event)"
            (onHide)="hide()"
        >
            <ng-template #content>
                <div [attr.id]="id + '_list'" [ngClass]="'p-multiselect-overlay p-component'" [ngStyle]="panelStyle" [class]="panelStyleClass">
                    <span
                        #firstHiddenFocusableEl
                        role="presentation"
                        class="p-hidden-accessible p-hidden-focusable"
                        [attr.tabindex]="0"
                        (focus)="onFirstHiddenFocus($event)"
                        [attr.data-p-hidden-accessible]="true"
                        [attr.data-p-hidden-focusable]="true"
                    >
                    </span>
                    <ng-container *ngTemplateOutlet="headerTemplate || _headerTemplate"></ng-container>
                    <div class="p-multiselect-header" *ngIf="showHeader">
                        <ng-content select="p-header"></ng-content>
                        <ng-container *ngIf="filterTemplate || _filterTemplate; else builtInFilterElement">
                            <ng-container *ngTemplateOutlet="filterTemplate || _filterTemplate; context: { options: filterOptions }"></ng-container>
                        </ng-container>
                        <ng-template #builtInFilterElement>
                            <p-checkbox [ngModel]="allSelected()" [ariaLabel]="toggleAllAriaLabel" [binary]="true" (onChange)="onToggleAll($event)" *ngIf="showToggleAll && !selectionLimit" [variant]="variant" [disabled]="disabled" #headerCheckbox>
                                <ng-template #checkboxicon let-klass="class">
                                    <CheckIcon *ngIf="!headerCheckboxIconTemplate && !_headerCheckboxIconTemplate && allSelected()" [styleClass]="klass" [attr.data-pc-section]="'icon'" />
                                    <ng-template
                                        *ngTemplateOutlet="
                                            headerCheckboxIconTemplate || _headerCheckboxIconTemplate;
                                            context: {
                                                checked: allSelected(),
                                                partialSelected: partialSelected(),
                                                class: klass
                                            }
                                        "
                                    ></ng-template>
                                </ng-template>
                            </p-checkbox>

                            <div class="p-multiselect-filter-container" *ngIf="filter">
                                <p-iconfield>
                                    <input
                                        #filterInput
                                        pInputText
                                        [variant]="variant"
                                        type="text"
                                        [attr.autocomplete]="autocomplete"
                                        role="searchbox"
                                        [attr.aria-owns]="id + '_list'"
                                        [attr.aria-activedescendant]="focusedOptionId"
                                        [value]="_filterValue() || ''"
                                        (input)="onFilterInputChange($event)"
                                        (keydown)="onFilterKeyDown($event)"
                                        (click)="onInputClick($event)"
                                        (blur)="onFilterBlur($event)"
                                        class="p-multiselect-filter"
                                        [disabled]="disabled"
                                        [attr.placeholder]="filterPlaceHolder"
                                        [attr.aria-label]="ariaFilterLabel"
                                    />
                                    <p-inputicon>
                                        <SearchIcon [styleClass]="'p-multiselect-filter-icon'" *ngIf="!filterIconTemplate && !_filterIconTemplate" />
                                        <span *ngIf="filterIconTemplate || _filterIconTemplate" class="p-multiselect-filter-icon">
                                            <ng-template *ngTemplateOutlet="filterIconTemplate || _filterIconTemplate"></ng-template>
                                        </span>
                                    </p-inputicon>
                                </p-iconfield>
                            </div>
                        </ng-template>
                    </div>
                    <div class="p-multiselect-list-container" [style.max-height]="virtualScroll ? 'auto' : scrollHeight || 'auto'">
                        <p-scroller
                            *ngIf="virtualScroll"
                            #scroller
                            [items]="visibleOptions()"
                            [style]="{ height: scrollHeight }"
                            [itemSize]="virtualScrollItemSize || _itemSize"
                            [autoSize]="true"
                            [tabindex]="-1"
                            [lazy]="lazy"
                            (onLazyLoad)="onLazyLoad.emit($event)"
                            [options]="virtualScrollOptions"
                        >
                            <ng-template #content let-items let-scrollerOptions="options">
                                <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: items, options: scrollerOptions }"></ng-container>
                            </ng-template>
                            <ng-container *ngIf="loaderTemplate || _loaderTemplate">
                                <ng-template #loader let-scrollerOptions="options">
                                    <ng-container *ngTemplateOutlet="loaderTemplate || _loaderTemplate; context: { options: scrollerOptions }"></ng-container>
                                </ng-template>
                            </ng-container>
                        </p-scroller>
                        <ng-container *ngIf="!virtualScroll">
                            <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: visibleOptions(), options: {} }"></ng-container>
                        </ng-container>

                        <ng-template #buildInItems let-items let-scrollerOptions="options">
                            <ul #items class="p-multiselect-list" [ngClass]="scrollerOptions.contentStyleClass" [style]="scrollerOptions.contentStyle" role="listbox" aria-multiselectable="true" [attr.aria-label]="listLabel">
                                <ng-template ngFor let-option [ngForOf]="items" let-i="index">
                                    <ng-container *ngIf="isOptionGroup(option)">
                                        <li [attr.id]="id + '_' + getOptionIndex(i, scrollerOptions)" class="p-multiselect-option-group" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                            <span *ngIf="!groupTemplate">{{ getOptionGroupLabel(option.optionGroup) }}</span>
                                            <ng-container *ngTemplateOutlet="groupTemplate; context: { $implicit: option.optionGroup }"></ng-container>
                                        </li>
                                    </ng-container>
                                    <ng-container *ngIf="!isOptionGroup(option)">
                                        <p-multiselect-item
                                            [id]="id + '_' + getOptionIndex(i, scrollerOptions)"
                                            [option]="option"
                                            [selected]="isSelected(option)"
                                            [label]="getOptionLabel(option)"
                                            [disabled]="isOptionDisabled(option)"
                                            [template]="itemTemplate || _itemTemplate"
                                            [checkIconTemplate]="checkIconTemplate || _checkIconTemplate"
                                            [itemCheckboxIconTemplate]="itemCheckboxIconTemplate || _itemCheckboxIconTemplate"
                                            [itemSize]="scrollerOptions.itemSize"
                                            [focused]="focusedOptionIndex() === getOptionIndex(i, scrollerOptions)"
                                            [ariaPosInset]="getAriaPosInset(getOptionIndex(i, scrollerOptions))"
                                            [ariaSetSize]="ariaSetSize"
                                            [variant]="variant"
                                            (onClick)="onOptionSelect($event, false, getOptionIndex(i, scrollerOptions))"
                                            (onMouseEnter)="onOptionMouseEnter($event, getOptionIndex(i, scrollerOptions))"
                                        ></p-multiselect-item>
                                    </ng-container>
                                </ng-template>

                                <li *ngIf="hasFilter() && isEmpty()" class="p-multiselect-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                    @if (!emptyFilterTemplate && !_emptyFilterTemplate && !emptyTemplate && !_emptyTemplate) {
                                        {{ emptyFilterMessageLabel }}
                                    } @else {
                                        <ng-container *ngTemplateOutlet="emptyFilterTemplate || _emptyFilterTemplate || emptyTemplate || _emptyFilterTemplate"></ng-container>
                                    }
                                </li>
                                <li *ngIf="!hasFilter() && isEmpty()" class="p-multiselect-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                    @if (!emptyTemplate && !_emptyTemplate) {
                                        {{ emptyMessageLabel }}
                                    } @else {
                                        <ng-container *ngTemplateOutlet="emptyTemplate || _emptyTemplate"></ng-container>
                                    }
                                </li>
                            </ul>
                        </ng-template>
                    </div>
                    <div *ngIf="footerFacet || footerTemplate || _footerTemplate">
                        <ng-content select="p-footer"></ng-content>
                        <ng-container *ngTemplateOutlet="footerTemplate || _footerTemplate"></ng-container>
                    </div>

                    <span
                        #lastHiddenFocusableEl
                        role="presentation"
                        class="p-hidden-accessible p-hidden-focusable"
                        [attr.tabindex]="0"
                        (focus)="onLastHiddenFocus($event)"
                        [attr.data-p-hidden-accessible]="true"
                        [attr.data-p-hidden-focusable]="true"
                    ></span>
                </div>
            </ng-template>
        </p-overlay>
    `,
                    providers: [MULTISELECT_VALUE_ACCESSOR, MultiSelectStyle],
                    changeDetection: ChangeDetectionStrategy.OnPush,
                    encapsulation: ViewEncapsulation.None,
                    host: {
                        '[attr.id]': 'id',
                        '[style]': 'style',
                        '(click)': 'onContainerClick($event)',
                        '[class.p-variant-filled]': 'variant === "filled" || config.inputVariant() === "filled" || config.inputStyle() === "filled" '
                    }
                }]
        }], ctorParameters: () => [{ type: i0.NgZone }, { type: i3.FilterService }, { type: i3.OverlayService }], propDecorators: { id: [{
                type: Input
            }], ariaLabel: [{
                type: Input
            }], style: [{
                type: Input
            }], styleClass: [{
                type: Input
            }], panelStyle: [{
                type: Input
            }], panelStyleClass: [{
                type: Input
            }], inputId: [{
                type: Input
            }], disabled: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], fluid: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], readonly: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], group: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], filter: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], filterPlaceHolder: [{
                type: Input
            }], filterLocale: [{
                type: Input
            }], overlayVisible: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], tabindex: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], variant: [{
                type: Input
            }], appendTo: [{
                type: Input
            }], dataKey: [{
                type: Input
            }], name: [{
                type: Input
            }], ariaLabelledBy: [{
                type: Input
            }], displaySelectedLabel: [{
                type: Input
            }], maxSelectedLabels: [{
                type: Input
            }], selectionLimit: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], selectedItemsLabel: [{
                type: Input
            }], showToggleAll: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], emptyFilterMessage: [{
                type: Input
            }], emptyMessage: [{
                type: Input
            }], resetFilterOnHide: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], dropdownIcon: [{
                type: Input
            }], chipIcon: [{
                type: Input
            }], optionLabel: [{
                type: Input
            }], optionValue: [{
                type: Input
            }], optionDisabled: [{
                type: Input
            }], optionGroupLabel: [{
                type: Input
            }], optionGroupChildren: [{
                type: Input
            }], showHeader: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], filterBy: [{
                type: Input
            }], scrollHeight: [{
                type: Input
            }], lazy: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], virtualScroll: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], loading: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], virtualScrollItemSize: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], loadingIcon: [{
                type: Input
            }], virtualScrollOptions: [{
                type: Input
            }], overlayOptions: [{
                type: Input
            }], ariaFilterLabel: [{
                type: Input
            }], filterMatchMode: [{
                type: Input
            }], tooltip: [{
                type: Input
            }], tooltipPosition: [{
                type: Input
            }], tooltipPositionStyle: [{
                type: Input
            }], tooltipStyleClass: [{
                type: Input
            }], autofocusFilter: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], display: [{
                type: Input
            }], autocomplete: [{
                type: Input
            }], size: [{
                type: Input
            }], showClear: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], autofocus: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], autoZIndex: [{
                type: Input
            }], baseZIndex: [{
                type: Input
            }], showTransitionOptions: [{
                type: Input
            }], hideTransitionOptions: [{
                type: Input
            }], defaultLabel: [{
                type: Input
            }], placeholder: [{
                type: Input
            }], options: [{
                type: Input
            }], filterValue: [{
                type: Input
            }], itemSize: [{
                type: Input
            }], selectAll: [{
                type: Input
            }], focusOnHover: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], filterFields: [{
                type: Input
            }], selectOnFocus: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], autoOptionFocus: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], onChange: [{
                type: Output
            }], onFilter: [{
                type: Output
            }], onFocus: [{
                type: Output
            }], onBlur: [{
                type: Output
            }], onClick: [{
                type: Output
            }], onClear: [{
                type: Output
            }], onPanelShow: [{
                type: Output
            }], onPanelHide: [{
                type: Output
            }], onLazyLoad: [{
                type: Output
            }], onRemove: [{
                type: Output
            }], onSelectAllChange: [{
                type: Output
            }], overlayViewChild: [{
                type: ViewChild,
                args: ['overlay']
            }], filterInputChild: [{
                type: ViewChild,
                args: ['filterInput']
            }], focusInputViewChild: [{
                type: ViewChild,
                args: ['focusInput']
            }], itemsViewChild: [{
                type: ViewChild,
                args: ['items']
            }], scroller: [{
                type: ViewChild,
                args: ['scroller']
            }], lastHiddenFocusableElementOnOverlay: [{
                type: ViewChild,
                args: ['lastHiddenFocusableEl']
            }], firstHiddenFocusableElementOnOverlay: [{
                type: ViewChild,
                args: ['firstHiddenFocusableEl']
            }], headerCheckboxViewChild: [{
                type: ViewChild,
                args: ['headerCheckbox']
            }], footerFacet: [{
                type: ContentChild,
                args: [Footer]
            }], headerFacet: [{
                type: ContentChild,
                args: [Header]
            }], itemTemplate: [{
                type: ContentChild,
                args: ['item', { descendants: false }]
            }], groupTemplate: [{
                type: ContentChild,
                args: ['group', { descendants: false }]
            }], loaderTemplate: [{
                type: ContentChild,
                args: ['loader', { descendants: false }]
            }], headerTemplate: [{
                type: ContentChild,
                args: ['header', { descendants: false }]
            }], filterTemplate: [{
                type: ContentChild,
                args: ['filter', { descendants: false }]
            }], footerTemplate: [{
                type: ContentChild,
                args: ['footer', { descendants: false }]
            }], emptyFilterTemplate: [{
                type: ContentChild,
                args: ['emptyfilter', { descendants: false }]
            }], emptyTemplate: [{
                type: ContentChild,
                args: ['empty', { descendants: false }]
            }], selectedItemsTemplate: [{
                type: ContentChild,
                args: ['selecteditems', { descendants: false }]
            }], checkIconTemplate: [{
                type: ContentChild,
                args: ['checkicon', { descendants: false }]
            }], loadingIconTemplate: [{
                type: ContentChild,
                args: ['loadingicon', { descendants: false }]
            }], filterIconTemplate: [{
                type: ContentChild,
                args: ['filtericon', { descendants: false }]
            }], removeTokenIconTemplate: [{
                type: ContentChild,
                args: ['removetokenicon', { descendants: false }]
            }], chipIconTemplate: [{
                type: ContentChild,
                args: ['chipicon', { descendants: false }]
            }], clearIconTemplate: [{
                type: ContentChild,
                args: ['clearicon', { descendants: false }]
            }], dropdownIconTemplate: [{
                type: ContentChild,
                args: ['dropdownicon', { descendants: false }]
            }], itemCheckboxIconTemplate: [{
                type: ContentChild,
                args: ['itemcheckboxicon', { descendants: false }]
            }], headerCheckboxIconTemplate: [{
                type: ContentChild,
                args: ['headercheckboxicon', { descendants: false }]
            }], templates: [{
                type: ContentChildren,
                args: [PrimeTemplate]
            }], hostClasses: [{
                type: HostBinding,
                args: ['class']
            }] } });
class MultiSelectModule {
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
    static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectModule, imports: [MultiSelect, SharedModule], exports: [MultiSelect, SharedModule] });
    static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectModule, imports: [MultiSelect, SharedModule, SharedModule] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: MultiSelectModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [MultiSelect, SharedModule],
                    exports: [MultiSelect, SharedModule]
                }]
        }] });

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

export { MULTISELECT_VALUE_ACCESSOR, MultiSelect, MultiSelectClasses, MultiSelectItem, MultiSelectModule, MultiSelectStyle };
//# sourceMappingURL=primeng-multiselect.mjs.map