primeng/fesm2022/primeng-autocomplete.mjs

PrimeNG is a premium UI library for Angular featuring a rich set of 90+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with PrimeBlock,

export * from 'primeng/types/autocomplete';
import { NgTemplateOutlet } from '@angular/common';
import * as i0 from '@angular/core';
import { Injectable, InjectionToken, forwardRef, inject, input, numberAttribute, booleanAttribute, output, viewChild, contentChild, signal, computed, effect, HostListener, ViewEncapsulation, ChangeDetectionStrategy, Component, NgModule } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { ChevronDown } from '@primeicons/angular/chevron-down';
import { Spinner } from '@primeicons/angular/spinner';
import { Times } from '@primeicons/angular/times';
import { TimesCircle } from '@primeicons/angular/times-circle';
import { uuid, equals, isNotEmpty, findLastIndex, resolveFieldData, focus, isEmpty, findSingle } from '@primeuix/utils';
import { OverlayService, TranslationKeys, SharedModule } from 'primeng/api';
import { AutoFocus } from 'primeng/autofocus';
import { PARENT_INSTANCE } from 'primeng/basecomponent';
import { BaseInput } from 'primeng/baseinput';
import * as i1 from 'primeng/bind';
import { Bind, BindModule } from 'primeng/bind';
import { Chip } from 'primeng/chip';
import { InputText } from 'primeng/inputtext';
import { Overlay } from 'primeng/overlay';
import { Ripple } from 'primeng/ripple';
import { Scroller } from 'primeng/scroller';
import { style } from '@primeuix/styles/autocomplete';
import { BaseStyle } from 'primeng/base';

const inlineStyles = {
    root: { position: 'relative' }
};
const classes = {
    root: ({ instance }) => [
        'p-autocomplete p-component p-inputwrapper',
        {
            'p-invalid': instance.invalid(),
            'p-focus': instance.focused(),
            'p-inputwrapper-filled': instance.$filled(),
            'p-inputwrapper-focus': (instance.focused() && !instance.$disabled()) || instance.autofocus() || instance.overlayVisible(),
            'p-autocomplete-open': instance.overlayVisible(),
            'p-autocomplete-fluid': instance.hasFluid
        }
    ],
    pcInputText: 'p-autocomplete-input',
    inputMultiple: ({ instance }) => [
        'p-autocomplete-input-multiple',
        {
            'p-disabled': instance.$disabled(),
            'p-variant-filled': instance.$variant() === 'filled'
        }
    ],
    clearIcon: 'p-autocomplete-clear-icon',
    chipItem: ({ instance, i }) => [
        'p-autocomplete-chip-item',
        {
            'p-focus': instance.focusedMultipleOptionIndex() === i
        }
    ],
    pcChip: 'p-autocomplete-chip',
    chipIcon: 'p-autocomplete-chip-icon',
    inputChip: 'p-autocomplete-input-chip',
    loader: 'p-autocomplete-loader',
    dropdown: 'p-autocomplete-dropdown',
    overlay: ({ instance }) => ['p-autocomplete-overlay p-component-overlay p-component', { 'p-input-filled': instance.$variant() === 'filled', 'p-ripple-disabled': instance.config.ripple() === false }],
    listContainer: 'p-autocomplete-list-container',
    list: 'p-autocomplete-list',
    optionGroup: 'p-autocomplete-option-group',
    option: ({ instance, option, i, scrollerOptions }) => ({
        'p-autocomplete-option': true,
        'p-autocomplete-option-selected': instance.isSelected(option),
        'p-focus': instance.focusedOptionIndex() === instance.getOptionIndex(i, scrollerOptions),
        'p-disabled': instance.isOptionDisabled(option)
    }),
    emptyMessage: 'p-autocomplete-empty-message'
};
class AutoCompleteStyle extends BaseStyle {
    name = 'autocomplete';
    style = style;
    classes = classes;
    inlineStyles = inlineStyles;
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "22.0.6", ngImport: i0, type: AutoCompleteStyle, deps: null, target: i0.ɵɵFactoryTarget.Injectable });
    static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "22.0.6", ngImport: i0, type: AutoCompleteStyle });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "22.0.6", ngImport: i0, type: AutoCompleteStyle, decorators: [{
            type: Injectable
        }] });
/**
 *
 * AutoComplete is an input component that provides real-time suggestions while being typed.
 *
 * [Live Demo](https://www.primeng.org/autocomplete/)
 *
 * @module autocompletestyle
 *
 */
var AutoCompleteClasses;
(function (AutoCompleteClasses) {
    /**
     * Class name of the root element
     */
    AutoCompleteClasses["root"] = "p-autocomplete";
    /**
     * Class name of the input element
     */
    AutoCompleteClasses["pcInputText"] = "p-autocomplete-input";
    /**
     * Class name of the input multiple element
     */
    AutoCompleteClasses["inputMultiple"] = "p-autocomplete-input-multiple";
    /**
     * Class name of the chip item element
     */
    AutoCompleteClasses["chipItem"] = "p-autocomplete-chip-item";
    /**
     * Class name of the chip element
     */
    AutoCompleteClasses["pcChip"] = "p-autocomplete-chip";
    /**
     * Class name of the chip icon element
     */
    AutoCompleteClasses["chipIcon"] = "p-autocomplete-chip-icon";
    /**
     * Class name of the input chip element
     */
    AutoCompleteClasses["inputChip"] = "p-autocomplete-input-chip";
    /**
     * Class name of the loader element
     */
    AutoCompleteClasses["loader"] = "p-autocomplete-loader";
    /**
     * Class name of the dropdown element
     */
    AutoCompleteClasses["dropdown"] = "p-autocomplete-dropdown";
    /**
     * Class name of the panel element
     */
    AutoCompleteClasses["panel"] = "p-autocomplete-overlay";
    /**
     * Class name of the list element
     */
    AutoCompleteClasses["list"] = "p-autocomplete-list";
    /**
     * Class name of the option group element
     */
    AutoCompleteClasses["optionGroup"] = "p-autocomplete-option-group";
    /**
     * Class name of the option element
     */
    AutoCompleteClasses["option"] = "p-autocomplete-option";
    /**
     * Class name of the empty message element
     */
    AutoCompleteClasses["emptyMessage"] = "p-autocomplete-empty-message";
    /**
     * Class name of the clear icon
     */
    AutoCompleteClasses["clearIcon"] = "p-autocomplete-clear-icon";
})(AutoCompleteClasses || (AutoCompleteClasses = {}));

const AUTOCOMPLETE_INSTANCE = new InjectionToken('AUTOCOMPLETE_INSTANCE');
const AUTOCOMPLETE_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => AutoComplete),
    multi: true
};
/**
 * AutoComplete is an input component that provides real-time suggestions when being typed.
 * @group Components
 */
class AutoComplete extends BaseInput {
    componentName = 'AutoComplete';
    $pcAutoComplete = inject(AUTOCOMPLETE_INSTANCE, { optional: true, skipSelf: true }) ?? undefined;
    bindDirectiveInstance = inject(Bind, { self: true });
    /**
     * Minimum number of characters to initiate a search.
     * @group Props
     */
    minQueryLength = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "minQueryLength" }] : /* istanbul ignore next */ []));
    /**
     * Delay between keystrokes to wait before sending a query.
     * @group Props
     */
    delay = input(300, { ...(ngDevMode ? { debugName: "delay" } : /* istanbul ignore next */ {}), transform: numberAttribute });
    /**
     * Inline style of the overlay panel element.
     * @group Props
     */
    panelStyle = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "panelStyle" }] : /* istanbul ignore next */ []));
    /**
     * Style class of the overlay panel element.
     * @group Props
     */
    panelStyleClass = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "panelStyleClass" }] : /* istanbul ignore next */ []));
    /**
     * Inline style of the input field.
     * @group Props
     */
    inputStyle = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "inputStyle" }] : /* istanbul ignore next */ []));
    /**
     * Identifier of the focus input to match a label defined for the component.
     * @group Props
     */
    inputId = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "inputId" }] : /* istanbul ignore next */ []));
    /**
     * Inline style of the input field.
     * @group Props
     */
    inputStyleClass = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "inputStyleClass" }] : /* istanbul ignore next */ []));
    /**
     * Hint text for the input field.
     * @group Props
     */
    placeholder = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "placeholder" }] : /* istanbul ignore next */ []));
    /**
     * When present, it specifies that the input cannot be typed.
     * @group Props
     */
    readonly = input(false, { ...(ngDevMode ? { debugName: "readonly" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Maximum height of the suggestions panel.
     * @group Props
     */
    scrollHeight = input('200px', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "scrollHeight" }] : /* istanbul ignore next */ []));
    /**
     * Defines if data is loaded and interacted with in lazy manner.
     * @group Props
     */
    lazy = input(false, { ...(ngDevMode ? { debugName: "lazy" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Whether the data should be loaded on demand during scroll.
     * @group Props
     */
    virtualScroll = input(false, { ...(ngDevMode ? { debugName: "virtualScroll" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Height of an item in the list for VirtualScrolling.
     * @group Props
     */
    virtualScrollItemSize = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "virtualScrollItemSize" }] : /* istanbul ignore next */ []));
    /**
     * Whether to use the scroller feature. The properties of scroller component can be used like an object in it.
     * @group Props
     */
    virtualScrollOptions = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "virtualScrollOptions" }] : /* istanbul ignore next */ []));
    /**
     * When enabled, highlights the first item in the list by default.
     * @group Props
     */
    autoHighlight = input(false, { ...(ngDevMode ? { debugName: "autoHighlight" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * When present, autocomplete clears the manual input if it does not match of the suggestions to force only accepting values from the suggestions.
     * @group Props
     */
    forceSelection = input(false, { ...(ngDevMode ? { debugName: "forceSelection" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Type of the input, defaults to "text".
     * @group Props
     */
    type = input('text', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "type" }] : /* istanbul ignore next */ []));
    /**
     * Whether to automatically manage layering.
     * @group Props
     */
    autoZIndex = input(true, { ...(ngDevMode ? { debugName: "autoZIndex" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Base zIndex value to use in layering.
     * @group Props
     */
    baseZIndex = input(0, { ...(ngDevMode ? { debugName: "baseZIndex" } : /* istanbul ignore next */ {}), transform: numberAttribute });
    /**
     * Defines a string that labels the input for accessibility.
     * @group Props
     */
    ariaLabel = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "ariaLabel" }] : /* istanbul ignore next */ []));
    /**
     * Defines a string that labels the dropdown button for accessibility.
     * @group Props
     */
    dropdownAriaLabel = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "dropdownAriaLabel" }] : /* istanbul ignore next */ []));
    /**
     * Specifies one or more IDs in the DOM that labels the input field.
     * @group Props
     */
    ariaLabelledBy = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "ariaLabelledBy" }] : /* istanbul ignore next */ []));
    /**
     * Icon class of the dropdown icon.
     * @group Props
     */
    dropdownIcon = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "dropdownIcon" }] : /* istanbul ignore next */ []));
    /**
     * Ensures uniqueness of selected items on multiple mode.
     * @group Props
     */
    unique = input(true, { ...(ngDevMode ? { debugName: "unique" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Whether to display options as grouped when nested options are provided.
     * @group Props
     */
    group = input(false, { ...(ngDevMode ? { debugName: "group" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Whether to run a query when input receives focus.
     * @group Props
     */
    completeOnFocus = input(false, { ...(ngDevMode ? { debugName: "completeOnFocus" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * When enabled, a clear icon is displayed to clear the value.
     * @group Props
     */
    showClear = input(false, { ...(ngDevMode ? { debugName: "showClear" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Displays a button next to the input field when enabled.
     * @group Props
     */
    dropdown = input(false, { ...(ngDevMode ? { debugName: "dropdown" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Whether to show the empty message or not.
     * @group Props
     */
    showEmptyMessage = input(true, { ...(ngDevMode ? { debugName: "showEmptyMessage" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Specifies the behavior dropdown button. Default "blank" mode sends an empty string and "current" mode sends the input value.
     * @group Props
     */
    dropdownMode = input('blank', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "dropdownMode" }] : /* istanbul ignore next */ []));
    /**
     * Specifies if multiple values can be selected.
     * @deprecated Use InputTags component instead for chips/tags input functionality.
     * @group Props
     */
    multiple = input(false, { ...(ngDevMode ? { debugName: "multiple" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * When enabled, the input value is added to the selected items on tab key press when multiple is true and typeahead is false.
     * @deprecated Use InputTags component instead for chips/tags input functionality.
     * @group Props
     */
    addOnTab = input(false, { ...(ngDevMode ? { debugName: "addOnTab" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Index of the element in tabbing order.
     * @group Props
     */
    tabindex = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "tabindex" }] : /* istanbul ignore next */ []));
    /**
     * A property to uniquely identify a value in options.
     * @group Props
     */
    dataKey = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "dataKey" }] : /* istanbul ignore next */ []));
    /**
     * Text to display when there is no data. Defaults to global value in i18n translation configuration.
     * @group Props
     */
    emptyMessage = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "emptyMessage" }] : /* istanbul ignore next */ []));
    /**
     * When present, it specifies that the component should automatically get focus on load.
     * @group Props
     */
    autofocus = input(false, { ...(ngDevMode ? { debugName: "autofocus" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Used to define a string that autocomplete attribute the current element.
     * @group Props
     */
    autocomplete = input('off', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "autocomplete" }] : /* istanbul ignore next */ []));
    /**
     * Name of the options field of an option group.
     * @group Props
     */
    optionGroupChildren = input('items', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "optionGroupChildren" }] : /* istanbul ignore next */ []));
    /**
     * Name of the label field of an option group.
     * @group Props
     */
    optionGroupLabel = input('label', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "optionGroupLabel" }] : /* istanbul ignore next */ []));
    /**
     * Options for the overlay element.
     * @group Props
     */
    overlayOptions = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "overlayOptions" }] : /* istanbul ignore next */ []));
    /**
     * An array of suggestions to display.
     * @group Props
     */
    suggestions = input([], /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "suggestions" }] : /* istanbul ignore next */ []));
    /**
     * Property name or getter function to use as the label of an option.
     * @group Props
     */
    optionLabel = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "optionLabel" }] : /* istanbul ignore next */ []));
    /**
     * Property name or getter function to use as the value of an option.
     * @group Props
     */
    optionValue = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "optionValue" }] : /* istanbul ignore next */ []));
    /**
     * Unique identifier of the component.
     * @group Props
     */
    id = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "id" }] : /* istanbul ignore next */ []));
    /**
     * Text to display when the search is active. Defaults to global value in i18n translation configuration.
     * @group Props
     * @defaultValue '{0} results are available'
     */
    searchMessage = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "searchMessage" }] : /* istanbul ignore next */ []));
    /**
     * Text to display when filtering does not return any results. Defaults to global value in i18n translation configuration.
     * @group Props
     * @defaultValue 'No selected item'
     */
    emptySelectionMessage = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "emptySelectionMessage" }] : /* istanbul ignore next */ []));
    /**
     * Text to be displayed in hidden accessible field when options are selected. Defaults to global value in i18n translation configuration.
     * @group Props
     * @defaultValue '{0} items selected'
     */
    selectionMessage = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "selectionMessage" }] : /* istanbul ignore next */ []));
    /**
     * Whether to focus on the first visible or selected element when the overlay panel is shown.
     * @group Props
     */
    autoOptionFocus = input(false, { ...(ngDevMode ? { debugName: "autoOptionFocus" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * When enabled, the focused option is selected.
     * @group Props
     */
    selectOnFocus = input(false, { ...(ngDevMode ? { debugName: "selectOnFocus" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Locale to use in searching. The default locale is the host environment's current locale.
     * @group Props
     */
    searchLocale = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "searchLocale" }] : /* istanbul ignore next */ []));
    /**
     * Property name or getter function to use as the disabled flag of an option, defaults to false when not defined.
     * @group Props
     */
    optionDisabled = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "optionDisabled" }] : /* istanbul ignore next */ []));
    /**
     * When enabled, the hovered option will be focused.
     * @group Props
     */
    focusOnHover = input(true, { ...(ngDevMode ? { debugName: "focusOnHover" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Whether typeahead is active or not.
     * @defaultValue true
     * @group Props
     */
    typeahead = input(true, { ...(ngDevMode ? { debugName: "typeahead" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Whether to add an item on blur event if the input has value and typeahead is false with multiple mode.
     * @deprecated Use InputTags component instead for chips/tags input functionality.
     * @defaultValue false
     * @group Props
     */
    addOnBlur = input(false, { ...(ngDevMode ? { debugName: "addOnBlur" } : /* istanbul ignore next */ {}), transform: booleanAttribute });
    /**
     * Separator char to add item when typeahead is false and multiple mode is enabled.
     * @deprecated Use InputTags component instead for chips/tags input functionality.
     * @group Props
     */
    separator = input(/* @ts-ignore */
    ...(ngDevMode ? [undefined, { debugName: "separator" }] : /* istanbul ignore next */ []));
    /**
     * 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).
     * @defaultValue 'self'
     * @group Props
     */
    appendTo = input(undefined, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "appendTo" }] : /* istanbul ignore next */ []));
    /**
     * The motion options.
     * @group Props
     */
    motionOptions = input(undefined, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "motionOptions" }] : /* istanbul ignore next */ []));
    /**
     * Callback to invoke to search for suggestions.
     * @param {AutoCompleteCompleteEvent} event - Custom complete event.
     * @group Emits
     */
    completeMethod = output();
    /**
     * Callback to invoke when a suggestion is selected.
     * @param {AutoCompleteSelectEvent} event - custom select event.
     * @group Emits
     */
    onSelect = output();
    /**
     * Callback to invoke when a selected value is removed.
     * @param {AutoCompleteUnselectEvent} event - custom unselect event.
     * @group Emits
     */
    onUnselect = output();
    /**
     * Callback to invoke when an item is added via addOnBlur or separator features.
     * @param {AutoCompleteAddEvent} event - Custom add event.
     * @group Emits
     */
    onAdd = output();
    /**
     * Callback to invoke when the component receives focus.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onFocus = output();
    /**
     * Callback to invoke when the component loses focus.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onBlur = output();
    /**
     * Callback to invoke to when dropdown button is clicked.
     * @param {AutoCompleteDropdownClickEvent} event - custom dropdown click event.
     * @group Emits
     */
    onDropdownClick = output();
    /**
     * Callback to invoke when clear button is clicked.
     * @group Emits
     */
    onClear = output();
    /**
     * Callback to invoke on input key down.
     * @param {KeyboardEvent} event - Keyboard event.
     * @group Emits
     */
    onInputKeydown = output();
    /**
     * Callback to invoke on input key up.
     * @param {KeyboardEvent} event - Keyboard event.
     * @group Emits
     */
    onKeyUp = output();
    /**
     * Callback to invoke on overlay is shown.
     * @group Emits
     */
    onShow = output();
    /**
     * Callback to invoke on overlay is hidden.
     * @group Emits
     */
    onHide = output();
    /**
     * Callback to invoke on lazy load data.
     * @param {AutoCompleteLazyLoadEvent} event - Lazy load event.
     * @group Emits
     */
    onLazyLoad = output();
    inputEL = viewChild('focusInput', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "inputEL" }] : /* istanbul ignore next */ []));
    multiInputEl = viewChild('multiIn', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "multiInputEl" }] : /* istanbul ignore next */ []));
    multiContainerEL = viewChild('multiContainer', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "multiContainerEL" }] : /* istanbul ignore next */ []));
    dropdownButton = viewChild('ddBtn', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "dropdownButton" }] : /* istanbul ignore next */ []));
    itemsViewChild = viewChild('items', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "itemsViewChild" }] : /* istanbul ignore next */ []));
    scroller = viewChild('scroller', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "scroller" }] : /* istanbul ignore next */ []));
    overlayViewChild = viewChild('overlay', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "overlayViewChild" }] : /* istanbul ignore next */ []));
    itemsWrapper;
    /**
     * Custom item template.
     * @group Templates
     */
    itemTemplate = contentChild('item', { ...(ngDevMode ? { debugName: "itemTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom empty message template.
     * @group Templates
     */
    emptyTemplate = contentChild('empty', { ...(ngDevMode ? { debugName: "emptyTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom header template.
     * @group Templates
     */
    headerTemplate = contentChild('header', { ...(ngDevMode ? { debugName: "headerTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom footer template.
     * @group Templates
     */
    footerTemplate = contentChild('footer', { ...(ngDevMode ? { debugName: "footerTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom selected item template.
     * @group Templates
     */
    selectedItemTemplate = contentChild('selecteditem', { ...(ngDevMode ? { debugName: "selectedItemTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom group template.
     * @group Templates
     */
    groupTemplate = contentChild('group', { ...(ngDevMode ? { debugName: "groupTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom loader template.
     * @group Templates
     */
    loaderTemplate = contentChild('loader', { ...(ngDevMode ? { debugName: "loaderTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom remove icon template.
     * @group Templates
     */
    removeIconTemplate = contentChild('removeicon', { ...(ngDevMode ? { debugName: "removeIconTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom loading icon template.
     * @group Templates
     */
    loadingIconTemplate = contentChild('loadingicon', { ...(ngDevMode ? { debugName: "loadingIconTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom clear icon template.
     * @group Templates
     */
    clearIconTemplate = contentChild('clearicon', { ...(ngDevMode ? { debugName: "clearIconTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    /**
     * Custom dropdown icon template.
     * @group Templates
     */
    dropdownIconTemplate = contentChild('dropdownicon', { ...(ngDevMode ? { debugName: "dropdownIconTemplate" } : /* istanbul ignore next */ {}), descendants: false });
    onHostClick(event) {
        this.onContainerClick(event);
    }
    value;
    timeout = null;
    overlayVisible = signal(false, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "overlayVisible" }] : /* istanbul ignore next */ []));
    suggestionsUpdated;
    highlightOption;
    highlightOptionChanged;
    focused = signal(false, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "focused" }] : /* istanbul ignore next */ []));
    loading = signal(false, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "loading" }] : /* istanbul ignore next */ []));
    scrollHandler;
    listId;
    searchTimeout = null;
    dirty = false;
    focusedMultipleOptionIndex = signal(-1, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "focusedMultipleOptionIndex" }] : /* istanbul ignore next */ []));
    focusedOptionIndex = signal(-1, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "focusedOptionIndex" }] : /* istanbul ignore next */ []));
    _componentStyle = inject(AutoCompleteStyle);
    overlayService = inject(OverlayService);
    _internalId = uuid('pn_id_');
    $id = computed(() => this.id() || this._internalId, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "$id" }] : /* istanbul ignore next */ []));
    $appendTo = computed(() => this.appendTo() || this.config.overlayAppendTo(), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "$appendTo" }] : /* istanbul ignore next */ []));
    get $overlayTarget() {
        return this.el?.nativeElement?.closest('[data-pc-name="inputtags"]') ? '@grandparent' : '@parent';
    }
    visibleOptions = computed(() => {
        return this.group() ? this.flatOptions(this.suggestions()) : this.suggestions() || [];
    }, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "visibleOptions" }] : /* istanbul ignore next */ []));
    inputValue = computed(() => {
        const modelValue = this.modelValue();
        const selectedOption = this.optionValueSelected ? (this.suggestions() || []).find((option) => equals(option, modelValue, this.equalityKey())) : modelValue;
        if (isNotEmpty(modelValue)) {
            if (typeof modelValue === 'object' || this.optionValueSelected) {
                const label = this.getOptionLabel(selectedOption);
                return label != null ? label : modelValue;
            }
            else {
                return modelValue;
            }
        }
        else {
            return '';
        }
    }, /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "inputValue" }] : /* istanbul ignore next */ []));
    $showClear = computed(() => this.$filled() && !this.$disabled() && this.showClear() && !this.loading(), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "$showClear" }] : /* istanbul ignore next */ []));
    scrollerStyle = computed(() => ({ height: this.scrollHeight() }), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "scrollerStyle" }] : /* istanbul ignore next */ []));
    $tabindex = computed(() => (!this.$disabled() ? this.tabindex() : -1), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "$tabindex" }] : /* istanbul ignore next */ []));
    requiredAttr = computed(() => (this.required() ? '' : undefined), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "requiredAttr" }] : /* istanbul ignore next */ []));
    readonlyAttr = computed(() => (this.readonly() ? '' : undefined), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "readonlyAttr" }] : /* istanbul ignore next */ []));
    disabledAttr = computed(() => (this.$disabled() ? '' : undefined), /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "disabledAttr" }] : /* istanbul ignore next */ []));
    $listId = computed(() => this.$id() + '_list', /* @ts-ignore */
    ...(ngDevMode ? [{ debugName: "$listId" }] : /* istanbul ignore next */ []));
    get focusedMultipleOptionId() {
        return this.focusedMultipleOptionIndex() !== -1 ? `${this.$id()}_multiple_option_${this.focusedMultipleOptionIndex()}` : null;
    }
    get focusedOptionId() {
        return this.focusedOptionIndex() !== -1 ? `${this.$id()}_${this.focusedOptionIndex()}` : null;
    }
    get searchResultMessageText() {
        return isNotEmpty(this.visibleOptions()) && this.overlayVisible() ? this.searchMessageText.replaceAll('{0}', this.visibleOptions().length) : this.emptySearchMessageText;
    }
    get searchMessageText() {
        return this.searchMessage() || this.config.translation.searchMessage || '';
    }
    get emptySearchMessageText() {
        return this.emptyMessage() || this.config.translation.emptySearchMessage || '';
    }
    get selectionMessageText() {
        return this.selectionMessage() || this.config.translation.selectionMessage || '';
    }
    get emptySelectionMessageText() {
        return this.emptySelectionMessage() || this.config.translation.emptySelectionMessage || '';
    }
    get selectedMessageText() {
        return this.hasSelectedOption() ? this.selectionMessageText.replaceAll('{0}', this.multiple() ? this.modelValue()?.length : '1') : this.emptySelectionMessageText;
    }
    get ariaSetSize() {
        return this.visibleOptions().filter((option) => !this.isOptionGroup(option)).length;
    }
    get listLabel() {
        return this.translate(TranslationKeys.ARIA, 'listLabel');
    }
    get virtualScrollerDisabled() {
        return !this.virtualScroll();
    }
    get optionValueSelected() {
        return typeof this.modelValue() === 'string' && this.optionValue();
    }
    chipItemClass(index) {
        return this._componentStyle.classes.chipItem({ instance: this, i: index });
    }
    constructor() {
        super();
        effect(() => {
            const value = this.suggestions();
            if (value) {
                this.handleSuggestionsChange();
            }
        });
    }
    onAfterViewChecked() {
        this.bindDirectiveInstance.setAttrs(this.ptms(['host', 'root']));
        //Use timeouts as since Angular 4.2, AfterViewChecked is broken and not called after panel is updated
        if (this.suggestionsUpdated && this.overlayViewChild()) {
            setTimeout(() => {
                if (this.overlayViewChild()) {
                    this.overlayViewChild().alignOverlay();
                }
            }, 1);
            this.suggestionsUpdated = false;
        }
    }
    handleSuggestionsChange() {
        if (this.loading()) {
            this.suggestions()?.length > 0 || this.showEmptyMessage() || !!this.emptyTemplate() ? this.show() : this.hide();
            const focusedOptionIndex = this.overlayVisible() && this.autoOptionFocus() ? this.findFirstFocusedOptionIndex() : -1;
            this.focusedOptionIndex.set(focusedOptionIndex);
            this.suggestionsUpdated = true;
            this.loading.set(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;
        }, []);
    }
    isOptionGroup(option) {
        return this.optionGroupLabel() && option.optionGroup && option.group;
    }
    findFirstOptionIndex() {
        return this.visibleOptions().findIndex((option) => this.isValidOption(option));
    }
    findLastOptionIndex() {
        return findLastIndex(this.visibleOptions(), (option) => this.isValidOption(option));
    }
    findFirstFocusedOptionIndex() {
        const selectedIndex = this.findSelectedOptionIndex();
        return selectedIndex < 0 ? this.findFirstOptionIndex() : selectedIndex;
    }
    findLastFocusedOptionIndex() {
        const selectedIndex = this.findSelectedOptionIndex();
        return selectedIndex < 0 ? this.findLastOptionIndex() : selectedIndex;
    }
    findSelectedOptionIndex() {
        return this.hasSelectedOption() ? this.visibleOptions().findIndex((option) => this.isValidSelectedOption(option)) : -1;
    }
    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;
    }
    isValidSelectedOption(option) {
        return this.isValidOption(option) && this.isSelected(option);
    }
    isValidOption(option) {
        return option && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
    }
    isOptionDisabled(option) {
        return this.optionDisabled() ? resolveFieldData(option, this.optionDisabled()) : false;
    }
    isSelected(option) {
        if (this.multiple()) {
            return this.unique() ? this.modelValue()?.some((model) => equals(model, option, this.equalityKey())) : false;
        }
        return equals(this.modelValue(), option, this.equalityKey());
    }
    isOptionMatched(option, value) {
        return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.searchLocale()) === value.toLocaleLowerCase(this.searchLocale());
    }
    isInputClicked(event) {
        return event.target === this.inputEL()?.nativeElement;
    }
    isDropdownClicked(event) {
        return this.dropdownButton()?.nativeElement ? event.target === this.dropdownButton().nativeElement || this.dropdownButton().nativeElement.contains(event.target) : false;
    }
    equalityKey() {
        return this.optionValue() ? undefined : this.dataKey();
    }
    onContainerClick(event) {
        if (this.$disabled() || this.loading() || this.isInputClicked(event) || this.isDropdownClicked(event)) {
            return;
        }
        if (!this.overlayViewChild() || !this.overlayViewChild().overlayViewChild()?.nativeElement.contains(event.target)) {
            focus(this.inputEL()?.nativeElement);
        }
    }
    handleDropdownClick(event) {
        let query = undefined;
        if (this.overlayVisible()) {
            this.hide(true);
        }
        else {
            focus(this.inputEL()?.nativeElement);
            query = this.inputEL()?.nativeElement?.value;
            if (this.dropdownMode() === 'blank')
                this.search(event, '', 'dropdown');
            else if (this.dropdownMode() === 'current')
                this.search(event, query, 'dropdown');
        }
        this.onDropdownClick.emit({ originalEvent: event, query });
    }
    onInput(event) {
        if (this.typeahead()) {
            const _minLength = this.minQueryLength() || 1;
            if (this.searchTimeout) {
                clearTimeout(this.searchTimeout);
            }
            let query = event.target.value;
            const maxLen = this.maxlength();
            if (maxLen != null) {
                query = query.split('').slice(0, maxLen).join('');
            }
            if (!this.multiple() && !this.forceSelection()) {
                this.updateModel(query);
            }
            if (query.length === 0 && !this.multiple()) {
                this.onClear.emit();
                setTimeout(() => {
                    this.hide();
                }, this.delay() / 2);
            }
            else {
                if (query.length >= _minLength) {
                    this.focusedOptionIndex.set(-1);
                    this.searchTimeout = setTimeout(() => {
                        this.search(event, query, 'input');
                    }, this.delay());
                }
                else {
                    this.hide();
                }
            }
        }
    }
    onInputChange(event) {
        this.updateInputWithForceSelection(event);
    }
    onInputFocus(event) {
        if (this.$disabled()) {
            // For ScreenReaders
            return;
        }
        if (!this.dirty && this.completeOnFocus()) {
            this.search(event, event.target.value, 'focus');
        }
        this.dirty = true;
        this.focused.set(true);
        const focusedOptionIndex = this.focusedOptionIndex() !== -1 ? this.focusedOptionIndex() : this.overlayVisible() && this.autoOptionFocus() ? this.findFirstFocusedOptionIndex() : -1;
        this.focusedOptionIndex.set(focusedOptionIndex);
        this.overlayVisible() && this.scrollInView(this.focusedOptionIndex());
        this.onFocus.emit(event);
    }
    onMultipleContainerFocus(event) {
        if (this.$disabled()) {
            // For ScreenReaders
            return;
        }
        this.focused.set(true);
    }
    onMultipleContainerBlur(event) {
        this.focusedMultipleOptionIndex.set(-1);
        this.focused.set(false);
    }
    onMultipleContainerKeyDown(event) {
        if (this.$disabled()) {
            event.preventDefault();
            return;
        }
        switch (event.code) {
            case 'ArrowLeft':
                this.onArrowLeftKeyOnMultiple(event);
                break;
            case 'ArrowRight':
                this.onArrowRightKeyOnMultiple(event);
                break;
            case 'Backspace':
                this.onBackspaceKeyOnMultiple(event);
                break;
            default:
                break;
        }
    }
    onInputBlur(event) {
        this.dirty = false;
        this.focused.set(false);
        this.focusedOptionIndex.set(-1);
        if (this.addOnBlur() && this.multiple() && !this.typeahead()) {
            const inputValue = (this.multiInputEl()?.nativeElement?.value || event.target.value || '').trim();
            if (inputValue && !this.isSelected(inputValue)) {
                this.updateModel([...(this.modelValue() || []), inputValue]);
                this.onAdd.emit({ originalEvent: event, value: inputValue });
                if (this.multiInputEl()?.nativeElement) {
                    this.multiInputEl().nativeElement.value = '';
                }
                else {
                    event.target.value = '';
                }
            }
        }
        this.onModelTouched();
        this.onBlur.emit(event);
    }
    onInputPaste(event) {
        if (this.separator() && this.multiple() && !this.typeahead()) {
            const pastedData = event.clipboardData?.getData('Text');
            if (pastedData) {
                const values = pastedData.split(this.separator());
                const newValues = [...(this.modelValue() || [])];
                values.forEach((value) => {
                    const trimmedValue = value.trim();
                    if (trimmedValue && !this.isSelected(trimmedValue)) {
                        newValues.push(trimmedValue);
                    }
                });
                if (newValues.length > (this.modelValue() || []).length) {
                    const addedValues = newValues.slice((this.modelValue() || []).length);
                    this.updateModel(newValues);
                    addedValues.forEach((addedValue) => {
                        this.onAdd.emit({ originalEvent: event, value: addedValue });
                    });
                    if (this.multiInputEl()?.nativeElement) {
                        this.multiInputEl().nativeElement.value = '';
                    }
                    else {
                        event.target.value = '';
                    }
                    event.preventDefault();
                }
            }
        }
        else {
            this.onKeyDown(event);
        }
    }
    onInputKeyUp(event) {
        this.onKeyUp.emit(event);
    }
    onKeyDown(event) {
        if (this.$disabled()) {
            event.preventDefault();
            return;
        }
        // Emit keydown event for external handling
        this.onInputKeydown.emit(event);
        switch (event.code) {
            case 'ArrowDown':
                this.onArrowDownKey(event);
                break;
            case 'ArrowUp':
                this.onArrowUpKey(event);
                break;
            case 'ArrowLeft':
                this.onArrowLeftKey(event);
                break;
            case 'ArrowRight':
                this.onArrowRightKey(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 'NumpadEnter':
                this.onEnterKey(event);
                break;
            case 'Escape':
                this.onEscapeKey(event);
                if (this.overlayVisible()) {
                    event.stopPropagation();
                }
                break;
            case 'Tab':
                this.onTabKey(event);
                break;
            case 'Backspace':
                this.onBackspaceKey(event);
                break;
            case 'ShiftLeft':
            case 'ShiftRight':
                //NOOP
                break;
            default:
                this.handleSeparatorKey(event);
                break;
        }
    }
    handleSeparatorKey(event) {
        const separator = this.separator();
        if (separator && this.multiple() && !this.typeahead()) {
            if (separator === event.key || (typeof separator === 'string' && event.key === separator) || (separator instanceof RegExp && event.key.match(separator))) {
                const inputValue = (this.multiInputEl()?.nativeElement?.value || event.target.value || '').trim();
                if (inputValue && !this.isSelected(inputValue)) {
                    this.updateModel([...(this.modelValue() || []), inputValue]);
                    this.onAdd.emit({ originalEvent: event, value: inputValue });
                    if (this.multiInputEl()?.nativeElement) {
                        this.multiInputEl().nativeElement.value = '';
                    }
                    else {
                        event.target.value = '';
                    }
                    event.preventDefault();
                }
            }
        }
    }
    onArrowDownKey(event) {
        if (!this.overlayVisible()) {
            return;
        }
        const optionIndex = this.focusedOptionIndex() !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex()) : this.findFirstFocusedOptionIndex();
        this.changeFocusedOptionIndex(event, optionIndex);
        event.preventDefault();
        event.stopPropagation();
    }
    onArrowUpKey(event) {
        if (!this.overlayVisible()) {
            return;
        }
        if (event.altKey) {
            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();
            this.changeFocusedOptionIndex(event, optionIndex);
            event.preventDefault();
            event.stopPropagation();
        }
    }
    onArrowLeftKey(event) {
        const target = event.currentTarget;
        this.focusedOptionIndex.set(-1);
        if (this.multiple()) {
            if (isEmpty(target.value) && this.hasSelectedOption()) {
                focus(this.multiContainerEL()?.nativeElement);
                this.focusedMultipleOptionIndex.set(this.modelValue().length);
            }
            else {
                event.stopPropagation(); // To prevent onArrowLeftKeyOnMultiple method
            }
        }
    }
    onArrowRightKey(event) {
        this.focusedOptionIndex.set(-1);
        this.multiple() && event.stopPropagation(); // To prevent onArrowRightKeyOnMultiple method
    }
    onHomeKey(event) {
        const currentTarget = event.currentTarget;
        const len = currentTarget.value.length;
        currentTarget.setSelectionRange(0, event.shiftKey ? len : 0);
        this.focusedOptionIndex.set(-1);
        event.preventDefault();
    }
    onEndKey(event) {
        const currentTarget = event.currentTarget;
        const len = currentTarget.value.length;
        currentTarget.setSelectionRange(event.shiftKey ? 0 : len, len);
        this.focusedOptionIndex.set(-1);
        event.preventDefault();
    }
    onPageDownKey(event) {
        this.scrollInView(this.visibleOptions().length - 1);
        event.preventDefault();
    }
    onPageUpKey(event) {
        this.scrollInView(0);
        event.preventDefault();
    }
    onEnterKey(event) {
        if (!this.typeahead() && !this.forceSelection()) {
            if (this.multiple()) {
                const inputValue = event.target.value?.trim();
                if (inputValue && !this.isSelected(inputValue)) {
                    this.updateModel([...(this.modelValue() || []), inputValue]);
                    this.onAdd.emit({ originalEvent: event, value: inputValue });
                    this.inputEL()?.nativeElement && (this.inputEL().nativeElement.value = '');
                }
            }
        }
        if (!this.overlayVisible()) {
            return;
        }
        else {
            if (this.focusedOptionIndex() !== -1) {
                this.onOptionSelect(event, this.visibleOptions()[this.focusedOptionIndex()]);
            }
            this.hide();
        }
        event.preventDefault();
    }
    onEscapeKey(event) {
        this.overlayVisible() && this.hide(true);
        event.preventDefault();
    }
    onTabKey(event) {
        // If there's a focused option in the dropdown, select it
        if (this.focusedOptionIndex() !== -1) {
            this.onOptionSelect(event, this.visibleOptions()[this.focusedOptionIndex()]);
            return;
        }
        // Handle tab key behavior for multiple mode without typeahead
        if (this.multiple() && !this.typeahead()) {
            const inputValue = (this.multiInputEl()?.nativeElement?.value || this.inputEL()?.nativeElement?.value || '').trim();
            if (this.addOnTab()) {
                if (inputValue && !this.isSelected(inputValue)) {