app/node_modules/@angular/material/fesm2022/module-Cbt8Fcmv.mjs

import { Overlay, CdkConnectedOverlay, CdkOverlayOrigin, OverlayModule } from '@angular/cdk/overlay';
import * as i0 from '@angular/core';
import { InjectionToken, inject, ChangeDetectorRef, ElementRef, Renderer2, ANIMATION_MODULE_TYPE, EventEmitter, HostAttributeToken, booleanAttribute, numberAttribute, Component, ViewEncapsulation, ChangeDetectionStrategy, ContentChildren, ContentChild, Input, ViewChild, Output, Directive, NgModule } from '@angular/core';
import { ViewportRuler, CdkScrollableModule } from '@angular/cdk/scrolling';
import { _IdGenerator, LiveAnnouncer, removeAriaReferencedId, addAriaReferencedId, ActiveDescendantKeyManager } from '@angular/cdk/a11y';
import { Directionality } from '@angular/cdk/bidi';
import { SelectionModel } from '@angular/cdk/collections';
import { hasModifierKey, ENTER, SPACE, A, ESCAPE, DOWN_ARROW, UP_ARROW, LEFT_ARROW, RIGHT_ARROW } from '@angular/cdk/keycodes';
import { NgControl, Validators, NgForm, FormGroupDirective } from '@angular/forms';
import { Subject, defer, merge } from 'rxjs';
import { startWith, switchMap, filter, map, takeUntil, take } from 'rxjs/operators';
import { NgClass } from '@angular/common';
import { h as MAT_FORM_FIELD, k as MatFormFieldControl } from './form-field-DqPi4knt.mjs';
import { _ as _countGroupLabelsBeforeOption, b as _getOptionScrollPosition, c as MAT_OPTION_PARENT_COMPONENT, M as MatOption, d as MAT_OPTGROUP } from './option-ChV6uQgD.mjs';
import { E as ErrorStateMatcher } from './error-options-Dm2JJUbF.mjs';
import { _ as _ErrorStateTracker } from './error-state-Dtb1IHM-.mjs';
import { M as MatOptionModule } from './index-DOxJc1m4.mjs';
import { M as MatCommonModule } from './common-module-WayjW0Pb.mjs';
import { M as MatFormFieldModule } from './module-BXZhw7pQ.mjs';

// Note that these have been copied over verbatim from
// `material/select` so that we don't have to expose them publicly.
/**
 * Returns an exception to be thrown when attempting to change a select's `multiple` option
 * after initialization.
 * @docs-private
 */
function getMatSelectDynamicMultipleError() {
    return Error('Cannot change `multiple` mode of select after initialization.');
}
/**
 * Returns an exception to be thrown when attempting to assign a non-array value to a select
 * in `multiple` mode. Note that `undefined` and `null` are still valid values to allow for
 * resetting the value.
 * @docs-private
 */
function getMatSelectNonArrayValueError() {
    return Error('Value must be an array in multiple-selection mode.');
}
/**
 * Returns an exception to be thrown when assigning a non-function value to the comparator
 * used to determine if a value corresponds to an option. Note that whether the function
 * actually takes two values and returns a boolean is not checked.
 */
function getMatSelectNonFunctionValueError() {
    return Error('`compareWith` must be a function.');
}

/** Injection token that determines the scroll handling while a select is open. */
const MAT_SELECT_SCROLL_STRATEGY = new InjectionToken('mat-select-scroll-strategy', {
    providedIn: 'root',
    factory: () => {
        const overlay = inject(Overlay);
        return () => overlay.scrollStrategies.reposition();
    },
});
/**
 * @docs-private
 * @deprecated No longer used, will be removed.
 * @breaking-change 21.0.0
 */
function MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {
    return () => overlay.scrollStrategies.reposition();
}
/** Injection token that can be used to provide the default options the select module. */
const MAT_SELECT_CONFIG = new InjectionToken('MAT_SELECT_CONFIG');
/**
 * @docs-private
 * @deprecated No longer used, will be removed.
 * @breaking-change 21.0.0
 */
const MAT_SELECT_SCROLL_STRATEGY_PROVIDER = {
    provide: MAT_SELECT_SCROLL_STRATEGY,
    deps: [Overlay],
    useFactory: MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY,
};
/**
 * Injection token that can be used to reference instances of `MatSelectTrigger`. It serves as
 * alternative token to the actual `MatSelectTrigger` class which could cause unnecessary
 * retention of the class and its directive metadata.
 */
const MAT_SELECT_TRIGGER = new InjectionToken('MatSelectTrigger');
/** Change event object that is emitted when the select value has changed. */
class MatSelectChange {
    source;
    value;
    constructor(
    /** Reference to the select that emitted the change event. */
    source, 
    /** Current value of the select that emitted the event. */
    value) {
        this.source = source;
        this.value = value;
    }
}
class MatSelect {
    _viewportRuler = inject(ViewportRuler);
    _changeDetectorRef = inject(ChangeDetectorRef);
    _elementRef = inject(ElementRef);
    _dir = inject(Directionality, { optional: true });
    _idGenerator = inject(_IdGenerator);
    _renderer = inject(Renderer2);
    _parentFormField = inject(MAT_FORM_FIELD, { optional: true });
    ngControl = inject(NgControl, { self: true, optional: true });
    _liveAnnouncer = inject(LiveAnnouncer);
    _defaultOptions = inject(MAT_SELECT_CONFIG, { optional: true });
    _animationsDisabled = inject(ANIMATION_MODULE_TYPE, { optional: true }) === 'NoopAnimations';
    _initialized = new Subject();
    _cleanupDetach;
    /** All of the defined select options. */
    options;
    // TODO(crisbeto): this is only necessary for the non-MDC select, but it's technically a
    // public API so we have to keep it. It should be deprecated and removed eventually.
    /** All of the defined groups of options. */
    optionGroups;
    /** User-supplied override of the trigger element. */
    customTrigger;
    /**
     * This position config ensures that the top "start" corner of the overlay
     * is aligned with with the top "start" of the origin by default (overlapping
     * the trigger completely). If the panel cannot fit below the trigger, it
     * will fall back to a position above the trigger.
     */
    _positions = [
        {
            originX: 'start',
            originY: 'bottom',
            overlayX: 'start',
            overlayY: 'top',
        },
        {
            originX: 'end',
            originY: 'bottom',
            overlayX: 'end',
            overlayY: 'top',
        },
        {
            originX: 'start',
            originY: 'top',
            overlayX: 'start',
            overlayY: 'bottom',
            panelClass: 'mat-mdc-select-panel-above',
        },
        {
            originX: 'end',
            originY: 'top',
            overlayX: 'end',
            overlayY: 'bottom',
            panelClass: 'mat-mdc-select-panel-above',
        },
    ];
    /** Scrolls a particular option into the view. */
    _scrollOptionIntoView(index) {
        const option = this.options.toArray()[index];
        if (option) {
            const panel = this.panel.nativeElement;
            const labelCount = _countGroupLabelsBeforeOption(index, this.options, this.optionGroups);
            const element = option._getHostElement();
            if (index === 0 && labelCount === 1) {
                // If we've got one group label before the option and we're at the top option,
                // scroll the list to the top. This is better UX than scrolling the list to the
                // top of the option, because it allows the user to read the top group's label.
                panel.scrollTop = 0;
            }
            else {
                panel.scrollTop = _getOptionScrollPosition(element.offsetTop, element.offsetHeight, panel.scrollTop, panel.offsetHeight);
            }
        }
    }
    /** Called when the panel has been opened and the overlay has settled on its final position. */
    _positioningSettled() {
        this._scrollOptionIntoView(this._keyManager.activeItemIndex || 0);
    }
    /** Creates a change event object that should be emitted by the select. */
    _getChangeEvent(value) {
        return new MatSelectChange(this, value);
    }
    /** Factory function used to create a scroll strategy for this select. */
    _scrollStrategyFactory = inject(MAT_SELECT_SCROLL_STRATEGY);
    /** Whether or not the overlay panel is open. */
    _panelOpen = false;
    /** Comparison function to specify which option is displayed. Defaults to object equality. */
    _compareWith = (o1, o2) => o1 === o2;
    /** Unique id for this input. */
    _uid = this._idGenerator.getId('mat-select-');
    /** Current `aria-labelledby` value for the select trigger. */
    _triggerAriaLabelledBy = null;
    /**
     * Keeps track of the previous form control assigned to the select.
     * Used to detect if it has changed.
     */
    _previousControl;
    /** Emits whenever the component is destroyed. */
    _destroy = new Subject();
    /** Tracks the error state of the select. */
    _errorStateTracker;
    /**
     * Emits whenever the component state changes and should cause the parent
     * form-field to update. Implemented as part of `MatFormFieldControl`.
     * @docs-private
     */
    stateChanges = new Subject();
    /**
     * Disable the automatic labeling to avoid issues like #27241.
     * @docs-private
     */
    disableAutomaticLabeling = true;
    /**
     * Implemented as part of MatFormFieldControl.
     * @docs-private
     */
    userAriaDescribedBy;
    /** Deals with the selection logic. */
    _selectionModel;
    /** Manages keyboard events for options in the panel. */
    _keyManager;
    /** Ideal origin for the overlay panel. */
    _preferredOverlayOrigin;
    /** Width of the overlay panel. */
    _overlayWidth;
    /** `View -> model callback called when value changes` */
    _onChange = () => { };
    /** `View -> model callback called when select has been touched` */
    _onTouched = () => { };
    /** ID for the DOM node containing the select's value. */
    _valueId = this._idGenerator.getId('mat-select-value-');
    /** Strategy that will be used to handle scrolling while the select panel is open. */
    _scrollStrategy;
    _overlayPanelClass = this._defaultOptions?.overlayPanelClass || '';
    /** Whether the select is focused. */
    get focused() {
        return this._focused || this._panelOpen;
    }
    _focused = false;
    /** A name for this control that can be used by `mat-form-field`. */
    controlType = 'mat-select';
    /** Trigger that opens the select. */
    trigger;
    /** Panel containing the select options. */
    panel;
    /** Overlay pane containing the options. */
    _overlayDir;
    /** Classes to be passed to the select panel. Supports the same syntax as `ngClass`. */
    panelClass;
    /** Whether the select is disabled. */
    disabled = false;
    /** Whether ripples in the select are disabled. */
    disableRipple = false;
    /** Tab index of the select. */
    tabIndex = 0;
    /** Whether checkmark indicator for single-selection options is hidden. */
    get hideSingleSelectionIndicator() {
        return this._hideSingleSelectionIndicator;
    }
    set hideSingleSelectionIndicator(value) {
        this._hideSingleSelectionIndicator = value;
        this._syncParentProperties();
    }
    _hideSingleSelectionIndicator = this._defaultOptions?.hideSingleSelectionIndicator ?? false;
    /** Placeholder to be shown if no value has been selected. */
    get placeholder() {
        return this._placeholder;
    }
    set placeholder(value) {
        this._placeholder = value;
        this.stateChanges.next();
    }
    _placeholder;
    /** Whether the component is required. */
    get required() {
        return this._required ?? this.ngControl?.control?.hasValidator(Validators.required) ?? false;
    }
    set required(value) {
        this._required = value;
        this.stateChanges.next();
    }
    _required;
    /** Whether the user should be allowed to select multiple options. */
    get multiple() {
        return this._multiple;
    }
    set multiple(value) {
        if (this._selectionModel && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getMatSelectDynamicMultipleError();
        }
        this._multiple = value;
    }
    _multiple = false;
    /** Whether to center the active option over the trigger. */
    disableOptionCentering = this._defaultOptions?.disableOptionCentering ?? false;
    /**
     * Function to compare the option values with the selected values. The first argument
     * is a value from an option. The second is a value from the selection. A boolean
     * should be returned.
     */
    get compareWith() {
        return this._compareWith;
    }
    set compareWith(fn) {
        if (typeof fn !== 'function' && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getMatSelectNonFunctionValueError();
        }
        this._compareWith = fn;
        if (this._selectionModel) {
            // A different comparator means the selection could change.
            this._initializeSelection();
        }
    }
    /** Value of the select control. */
    get value() {
        return this._value;
    }
    set value(newValue) {
        const hasAssigned = this._assignValue(newValue);
        if (hasAssigned) {
            this._onChange(newValue);
        }
    }
    _value;
    /** Aria label of the select. */
    ariaLabel = '';
    /** Input that can be used to specify the `aria-labelledby` attribute. */
    ariaLabelledby;
    /** Object used to control when error messages are shown. */
    get errorStateMatcher() {
        return this._errorStateTracker.matcher;
    }
    set errorStateMatcher(value) {
        this._errorStateTracker.matcher = value;
    }
    /** Time to wait in milliseconds after the last keystroke before moving focus to an item. */
    typeaheadDebounceInterval;
    /**
     * Function used to sort the values in a select in multiple mode.
     * Follows the same logic as `Array.prototype.sort`.
     */
    sortComparator;
    /** Unique id of the element. */
    get id() {
        return this._id;
    }
    set id(value) {
        this._id = value || this._uid;
        this.stateChanges.next();
    }
    _id;
    /** Whether the select is in an error state. */
    get errorState() {
        return this._errorStateTracker.errorState;
    }
    set errorState(value) {
        this._errorStateTracker.errorState = value;
    }
    /**
     * Width of the panel. If set to `auto`, the panel will match the trigger width.
     * If set to null or an empty string, the panel will grow to match the longest option's text.
     */
    panelWidth = this._defaultOptions && typeof this._defaultOptions.panelWidth !== 'undefined'
        ? this._defaultOptions.panelWidth
        : 'auto';
    /**
     * By default selecting an option with a `null` or `undefined` value will reset the select's
     * value. Enable this option if the reset behavior doesn't match your requirements and instead
     * the nullable options should become selected. The value of this input can be controlled app-wide
     * using the `MAT_SELECT_CONFIG` injection token.
     */
    canSelectNullableOptions = this._defaultOptions?.canSelectNullableOptions ?? false;
    /** Combined stream of all of the child options' change events. */
    optionSelectionChanges = defer(() => {
        const options = this.options;
        if (options) {
            return options.changes.pipe(startWith(options), switchMap(() => merge(...options.map(option => option.onSelectionChange))));
        }
        return this._initialized.pipe(switchMap(() => this.optionSelectionChanges));
    });
    /** Event emitted when the select panel has been toggled. */
    openedChange = new EventEmitter();
    /** Event emitted when the select has been opened. */
    _openedStream = this.openedChange.pipe(filter(o => o), map(() => { }));
    /** Event emitted when the select has been closed. */
    _closedStream = this.openedChange.pipe(filter(o => !o), map(() => { }));
    /** Event emitted when the selected value has been changed by the user. */
    selectionChange = new EventEmitter();
    /**
     * Event that emits whenever the raw value of the select changes. This is here primarily
     * to facilitate the two-way binding for the `value` input.
     * @docs-private
     */
    valueChange = new EventEmitter();
    constructor() {
        const defaultErrorStateMatcher = inject(ErrorStateMatcher);
        const parentForm = inject(NgForm, { optional: true });
        const parentFormGroup = inject(FormGroupDirective, { optional: true });
        const tabIndex = inject(new HostAttributeToken('tabindex'), { optional: true });
        if (this.ngControl) {
            // Note: we provide the value accessor through here, instead of
            // the `providers` to avoid running into a circular import.
            this.ngControl.valueAccessor = this;
        }
        // Note that we only want to set this when the defaults pass it in, otherwise it should
        // stay as `undefined` so that it falls back to the default in the key manager.
        if (this._defaultOptions?.typeaheadDebounceInterval != null) {
            this.typeaheadDebounceInterval = this._defaultOptions.typeaheadDebounceInterval;
        }
        this._errorStateTracker = new _ErrorStateTracker(defaultErrorStateMatcher, this.ngControl, parentFormGroup, parentForm, this.stateChanges);
        this._scrollStrategy = this._scrollStrategyFactory();
        this.tabIndex = tabIndex == null ? 0 : parseInt(tabIndex) || 0;
        // Force setter to be called in case id was not specified.
        this.id = this.id;
    }
    ngOnInit() {
        this._selectionModel = new SelectionModel(this.multiple);
        this.stateChanges.next();
        this._viewportRuler
            .change()
            .pipe(takeUntil(this._destroy))
            .subscribe(() => {
            if (this.panelOpen) {
                this._overlayWidth = this._getOverlayWidth(this._preferredOverlayOrigin);
                this._changeDetectorRef.detectChanges();
            }
        });
    }
    ngAfterContentInit() {
        this._initialized.next();
        this._initialized.complete();
        this._initKeyManager();
        this._selectionModel.changed.pipe(takeUntil(this._destroy)).subscribe(event => {
            event.added.forEach(option => option.select());
            event.removed.forEach(option => option.deselect());
        });
        this.options.changes.pipe(startWith(null), takeUntil(this._destroy)).subscribe(() => {
            this._resetOptions();
            this._initializeSelection();
        });
    }
    ngDoCheck() {
        const newAriaLabelledby = this._getTriggerAriaLabelledby();
        const ngControl = this.ngControl;
        // We have to manage setting the `aria-labelledby` ourselves, because part of its value
        // is computed as a result of a content query which can cause this binding to trigger a
        // "changed after checked" error.
        if (newAriaLabelledby !== this._triggerAriaLabelledBy) {
            const element = this._elementRef.nativeElement;
            this._triggerAriaLabelledBy = newAriaLabelledby;
            if (newAriaLabelledby) {
                element.setAttribute('aria-labelledby', newAriaLabelledby);
            }
            else {
                element.removeAttribute('aria-labelledby');
            }
        }
        if (ngControl) {
            // The disabled state might go out of sync if the form group is swapped out. See #17860.
            if (this._previousControl !== ngControl.control) {
                if (this._previousControl !== undefined &&
                    ngControl.disabled !== null &&
                    ngControl.disabled !== this.disabled) {
                    this.disabled = ngControl.disabled;
                }
                this._previousControl = ngControl.control;
            }
            this.updateErrorState();
        }
    }
    ngOnChanges(changes) {
        // Updating the disabled state is handled by the input, but we need to additionally let
        // the parent form field know to run change detection when the disabled state changes.
        if (changes['disabled'] || changes['userAriaDescribedBy']) {
            this.stateChanges.next();
        }
        if (changes['typeaheadDebounceInterval'] && this._keyManager) {
            this._keyManager.withTypeAhead(this.typeaheadDebounceInterval);
        }
    }
    ngOnDestroy() {
        this._cleanupDetach?.();
        this._keyManager?.destroy();
        this._destroy.next();
        this._destroy.complete();
        this.stateChanges.complete();
        this._clearFromModal();
    }
    /** Toggles the overlay panel open or closed. */
    toggle() {
        this.panelOpen ? this.close() : this.open();
    }
    /** Opens the overlay panel. */
    open() {
        if (!this._canOpen()) {
            return;
        }
        // It's important that we read this as late as possible, because doing so earlier will
        // return a different element since it's based on queries in the form field which may
        // not have run yet. Also this needs to be assigned before we measure the overlay width.
        if (this._parentFormField) {
            this._preferredOverlayOrigin = this._parentFormField.getConnectedOverlayOrigin();
        }
        this._cleanupDetach?.();
        this._overlayWidth = this._getOverlayWidth(this._preferredOverlayOrigin);
        this._applyModalPanelOwnership();
        this._panelOpen = true;
        this._overlayDir.positionChange.pipe(take(1)).subscribe(() => {
            this._changeDetectorRef.detectChanges();
            this._positioningSettled();
        });
        this._overlayDir.attachOverlay();
        this._keyManager.withHorizontalOrientation(null);
        this._highlightCorrectOption();
        this._changeDetectorRef.markForCheck();
        // Required for the MDC form field to pick up when the overlay has been opened.
        this.stateChanges.next();
        // Simulate the animation event before we moved away from `@angular/animations`.
        Promise.resolve().then(() => this.openedChange.emit(true));
    }
    /**
     * Track which modal we have modified the `aria-owns` attribute of. When the combobox trigger is
     * inside an aria-modal, we apply aria-owns to the parent modal with the `id` of the options
     * panel. Track the modal we have changed so we can undo the changes on destroy.
     */
    _trackedModal = null;
    /**
     * If the autocomplete trigger is inside of an `aria-modal` element, connect
     * that modal to the options panel with `aria-owns`.
     *
     * For some browser + screen reader combinations, when navigation is inside
     * of an `aria-modal` element, the screen reader treats everything outside
     * of that modal as hidden or invisible.
     *
     * This causes a problem when the combobox trigger is _inside_ of a modal, because the
     * options panel is rendered _outside_ of that modal, preventing screen reader navigation
     * from reaching the panel.
     *
     * We can work around this issue by applying `aria-owns` to the modal with the `id` of
     * the options panel. This effectively communicates to assistive technology that the
     * options panel is part of the same interaction as the modal.
     *
     * At time of this writing, this issue is present in VoiceOver.
     * See https://github.com/angular/components/issues/20694
     */
    _applyModalPanelOwnership() {
        // TODO(http://github.com/angular/components/issues/26853): consider de-duplicating this with
        // the `LiveAnnouncer` and any other usages.
        //
        // Note that the selector here is limited to CDK overlays at the moment in order to reduce the
        // section of the DOM we need to look through. This should cover all the cases we support, but
        // the selector can be expanded if it turns out to be too narrow.
        const modal = this._elementRef.nativeElement.closest('body > .cdk-overlay-container [aria-modal="true"]');
        if (!modal) {
            // Most commonly, the autocomplete trigger is not inside a modal.
            return;
        }
        const panelId = `${this.id}-panel`;
        if (this._trackedModal) {
            removeAriaReferencedId(this._trackedModal, 'aria-owns', panelId);
        }
        addAriaReferencedId(modal, 'aria-owns', panelId);
        this._trackedModal = modal;
    }
    /** Clears the reference to the listbox overlay element from the modal it was added to. */
    _clearFromModal() {
        if (!this._trackedModal) {
            // Most commonly, the autocomplete trigger is not used inside a modal.
            return;
        }
        const panelId = `${this.id}-panel`;
        removeAriaReferencedId(this._trackedModal, 'aria-owns', panelId);
        this._trackedModal = null;
    }
    /** Closes the overlay panel and focuses the host element. */
    close() {
        if (this._panelOpen) {
            this._panelOpen = false;
            this._exitAndDetach();
            this._keyManager.withHorizontalOrientation(this._isRtl() ? 'rtl' : 'ltr');
            this._changeDetectorRef.markForCheck();
            this._onTouched();
            // Required for the MDC form field to pick up when the overlay has been closed.
            this.stateChanges.next();
            // Simulate the animation event before we moved away from `@angular/animations`.
            Promise.resolve().then(() => this.openedChange.emit(false));
        }
    }
    /** Triggers the exit animation and detaches the overlay at the end. */
    _exitAndDetach() {
        if (this._animationsDisabled || !this.panel) {
            this._detachOverlay();
            return;
        }
        this._cleanupDetach?.();
        this._cleanupDetach = () => {
            cleanupEvent();
            clearTimeout(exitFallbackTimer);
            this._cleanupDetach = undefined;
        };
        const panel = this.panel.nativeElement;
        const cleanupEvent = this._renderer.listen(panel, 'animationend', (event) => {
            if (event.animationName === '_mat-select-exit') {
                this._cleanupDetach?.();
                this._detachOverlay();
            }
        });
        // Since closing the overlay depends on the animation, we have a fallback in case the panel
        // doesn't animate. This can happen in some internal tests that do `* {animation: none}`.
        const exitFallbackTimer = setTimeout(() => {
            this._cleanupDetach?.();
            this._detachOverlay();
        }, 200);
        panel.classList.add('mat-select-panel-exit');
    }
    /** Detaches the current overlay directive. */
    _detachOverlay() {
        this._overlayDir.detachOverlay();
        // Some of the overlay detachment logic depends on change detection.
        // Mark for check to ensure that things get picked up in a timely manner.
        this._changeDetectorRef.markForCheck();
    }
    /**
     * Sets the select's value. Part of the ControlValueAccessor interface
     * required to integrate with Angular's core forms API.
     *
     * @param value New value to be written to the model.
     */
    writeValue(value) {
        this._assignValue(value);
    }
    /**
     * Saves a callback function to be invoked when the select's value
     * changes from user input. Part of the ControlValueAccessor interface
     * required to integrate with Angular's core forms API.
     *
     * @param fn Callback to be triggered when the value changes.
     */
    registerOnChange(fn) {
        this._onChange = fn;
    }
    /**
     * Saves a callback function to be invoked when the select is blurred
     * by the user. Part of the ControlValueAccessor interface required
     * to integrate with Angular's core forms API.
     *
     * @param fn Callback to be triggered when the component has been touched.
     */
    registerOnTouched(fn) {
        this._onTouched = fn;
    }
    /**
     * Disables the select. Part of the ControlValueAccessor interface required
     * to integrate with Angular's core forms API.
     *
     * @param isDisabled Sets whether the component is disabled.
     */
    setDisabledState(isDisabled) {
        this.disabled = isDisabled;
        this._changeDetectorRef.markForCheck();
        this.stateChanges.next();
    }
    /** Whether or not the overlay panel is open. */
    get panelOpen() {
        return this._panelOpen;
    }
    /** The currently selected option. */
    get selected() {
        return this.multiple ? this._selectionModel?.selected || [] : this._selectionModel?.selected[0];
    }
    /** The value displayed in the trigger. */
    get triggerValue() {
        if (this.empty) {
            return '';
        }
        if (this._multiple) {
            const selectedOptions = this._selectionModel.selected.map(option => option.viewValue);
            if (this._isRtl()) {
                selectedOptions.reverse();
            }
            // TODO(crisbeto): delimiter should be configurable for proper localization.
            return selectedOptions.join(', ');
        }
        return this._selectionModel.selected[0].viewValue;
    }
    /** Refreshes the error state of the select. */
    updateErrorState() {
        this._errorStateTracker.updateErrorState();
    }
    /** Whether the element is in RTL mode. */
    _isRtl() {
        return this._dir ? this._dir.value === 'rtl' : false;
    }
    /** Handles all keydown events on the select. */
    _handleKeydown(event) {
        if (!this.disabled) {
            this.panelOpen ? this._handleOpenKeydown(event) : this._handleClosedKeydown(event);
        }
    }
    /** Handles keyboard events while the select is closed. */
    _handleClosedKeydown(event) {
        const keyCode = event.keyCode;
        const isArrowKey = keyCode === DOWN_ARROW ||
            keyCode === UP_ARROW ||
            keyCode === LEFT_ARROW ||
            keyCode === RIGHT_ARROW;
        const isOpenKey = keyCode === ENTER || keyCode === SPACE;
        const manager = this._keyManager;
        // Open the select on ALT + arrow key to match the native <select>
        if ((!manager.isTyping() && isOpenKey && !hasModifierKey(event)) ||
            ((this.multiple || event.altKey) && isArrowKey)) {
            event.preventDefault(); // prevents the page from scrolling down when pressing space
            this.open();
        }
        else if (!this.multiple) {
            const previouslySelectedOption = this.selected;
            manager.onKeydown(event);
            const selectedOption = this.selected;
            // Since the value has changed, we need to announce it ourselves.
            if (selectedOption && previouslySelectedOption !== selectedOption) {
                // We set a duration on the live announcement, because we want the live element to be
                // cleared after a while so that users can't navigate to it using the arrow keys.
                this._liveAnnouncer.announce(selectedOption.viewValue, 10000);
            }
        }
    }
    /** Handles keyboard events when the selected is open. */
    _handleOpenKeydown(event) {
        const manager = this._keyManager;
        const keyCode = event.keyCode;
        const isArrowKey = keyCode === DOWN_ARROW || keyCode === UP_ARROW;
        const isTyping = manager.isTyping();
        if (isArrowKey && event.altKey) {
            // Close the select on ALT + arrow key to match the native <select>
            event.preventDefault();
            this.close();
            // Don't do anything in this case if the user is typing,
            // because the typing sequence can include the space key.
        }
        else if (!isTyping &&
            (keyCode === ENTER || keyCode === SPACE) &&
            manager.activeItem &&
            !hasModifierKey(event)) {
            event.preventDefault();
            manager.activeItem._selectViaInteraction();
        }
        else if (!isTyping && this._multiple && keyCode === A && event.ctrlKey) {
            event.preventDefault();
            const hasDeselectedOptions = this.options.some(opt => !opt.disabled && !opt.selected);
            this.options.forEach(option => {
                if (!option.disabled) {
                    hasDeselectedOptions ? option.select() : option.deselect();
                }
            });
        }
        else {
            const previouslyFocusedIndex = manager.activeItemIndex;
            manager.onKeydown(event);
            if (this._multiple &&
                isArrowKey &&
                event.shiftKey &&
                manager.activeItem &&
                manager.activeItemIndex !== previouslyFocusedIndex) {
                manager.activeItem._selectViaInteraction();
            }
        }
    }
    /** Handles keyboard events coming from the overlay. */
    _handleOverlayKeydown(event) {
        // TODO(crisbeto): prior to #30363 this was being handled inside the overlay directive, but we
        // need control over the animation timing so we do it manually. We should remove the `keydown`
        // listener from `.mat-mdc-select-panel` and handle all the events here. That may cause
        // further test breakages so it's left for a follow-up.
        if (event.keyCode === ESCAPE && !hasModifierKey(event)) {
            event.preventDefault();
            this.close();
        }
    }
    _onFocus() {
        if (!this.disabled) {
            this._focused = true;
            this.stateChanges.next();
        }
    }
    /**
     * Calls the touched callback only if the panel is closed. Otherwise, the trigger will
     * "blur" to the panel when it opens, causing a false positive.
     */
    _onBlur() {
        this._focused = false;
        this._keyManager?.cancelTypeahead();
        if (!this.disabled && !this.panelOpen) {
            this._onTouched();
            this._changeDetectorRef.markForCheck();
            this.stateChanges.next();
        }
    }
    /** Returns the theme to be used on the panel. */
    _getPanelTheme() {
        return this._parentFormField ? `mat-${this._parentFormField.color}` : '';
    }
    /** Whether the select has a value. */
    get empty() {
        return !this._selectionModel || this._selectionModel.isEmpty();
    }
    _initializeSelection() {
        // Defer setting the value in order to avoid the "Expression
        // has changed after it was checked" errors from Angular.
        Promise.resolve().then(() => {
            if (this.ngControl) {
                this._value = this.ngControl.value;
            }
            this._setSelectionByValue(this._value);
            this.stateChanges.next();
        });
    }
    /**
     * Sets the selected option based on a value. If no option can be
     * found with the designated value, the select trigger is cleared.
     */
    _setSelectionByValue(value) {
        this.options.forEach(option => option.setInactiveStyles());
        this._selectionModel.clear();
        if (this.multiple && value) {
            if (!Array.isArray(value) && (typeof ngDevMode === 'undefined' || ngDevMode)) {
                throw getMatSelectNonArrayValueError();
            }
            value.forEach((currentValue) => this._selectOptionByValue(currentValue));
            this._sortValues();
        }
        else {
            const correspondingOption = this._selectOptionByValue(value);
            // Shift focus to the active item. Note that we shouldn't do this in multiple
            // mode, because we don't know what option the user interacted with last.
            if (correspondingOption) {
                this._keyManager.updateActiveItem(correspondingOption);
            }
            else if (!this.panelOpen) {
                // Otherwise reset the highlighted option. Note that we only want to do this while
                // closed, because doing it while open can shift the user's focus unnecessarily.
                this._keyManager.updateActiveItem(-1);
            }
        }
        this._changeDetectorRef.markForCheck();
    }
    /**
     * Finds and selects and option based on its value.
     * @returns Option that has the corresponding value.
     */
    _selectOptionByValue(value) {
        const correspondingOption = this.options.find((option) => {
            // Skip options that are already in the model. This allows us to handle cases
            // where the same primitive value is selected multiple times.
            if (this._selectionModel.isSelected(option)) {
                return false;
            }
            try {
                // Treat null as a special reset value.
                return ((option.value != null || this.canSelectNullableOptions) &&
                    this._compareWith(option.value, value));
            }
            catch (error) {
                if (typeof ngDevMode === 'undefined' || ngDevMode) {
                    // Notify developers of errors in their comparator.
                    console.warn(error);
                }
                return false;
            }
        });
        if (correspondingOption) {
            this._selectionModel.select(correspondingOption);
        }
        return correspondingOption;
    }
    /** Assigns a specific value to the select. Returns whether the value has changed. */
    _assignValue(newValue) {
        // Always re-assign an array, because it might have been mutated.
        if (newValue !== this._value || (this._multiple && Array.isArray(newValue))) {
            if (this.options) {
                this._setSelectionByValue(newValue);
            }
            this._value = newValue;
            return true;
        }
        return false;
    }
    // `skipPredicate` determines if key manager should avoid putting a given option in the tab
    // order. Allow disabled list items to receive focus via keyboard to align with WAI ARIA
    // recommendation.
    //
    // Normally WAI ARIA's instructions are to exclude disabled items from the tab order, but it
    // makes a few exceptions for compound widgets.
    //
    // From [Developing a Keyboard Interface](
    // https://www.w3.org/WAI/ARIA/apg/practices/keyboard-interface/):
    //   "For the following composite widget elements, keep them focusable when disabled: Options in a
    //   Listbox..."
    //
    // The user can focus disabled options using the keyboard, but the user cannot click disabled
    // options.
    _skipPredicate = (option) => {
        if (this.panelOpen) {
            // Support keyboard focusing disabled options in an ARIA listbox.
            return false;
        }
        // When the panel is closed, skip over disabled options. Support options via the UP/DOWN arrow
        // keys on a closed select. ARIA listbox interaction pattern is less relevant when the panel is
        // closed.
        return option.disabled;
    };
    /** Gets how wide the overlay panel should be. */
    _getOverlayWidth(preferredOrigin) {
        if (this.panelWidth === 'auto') {
            const refToMeasure = preferredOrigin instanceof CdkOverlayOrigin
                ? preferredOrigin.elementRef
                : preferredOrigin || this._elementRef;
            return refToMeasure.nativeElement.getBoundingClientRect().width;
        }
        return this.panelWidth === null ? '' : this.panelWidth;
    }
    /** Syncs the parent state with the individual options. */
    _syncParentProperties() {
        if (this.options) {
            for (const option of this.options) {
                option._changeDetectorRef.markForCheck();
            }
        }
    }
    /** Sets up a key manager to listen to keyboard events on the overlay panel. */
    _initKeyManager() {
        this._keyManager = new ActiveDescendantKeyManager(this.options)
            .withTypeAhead(this.typeaheadDebounceInterval)
            .withVerticalOrientation()
            .withHorizontalOrientation(this._isRtl() ? 'rtl' : 'ltr')
            .withHomeAndEnd()
            .withPageUpDown()
            .withAllowedModifierKeys(['shiftKey'])
            .skipPredicate(this._skipPredicate);
        this._keyManager.tabOut.subscribe(() => {
            if (this.panelOpen) {
                // Select the active item when tabbing away. This is consistent with how the native
                // select behaves. Note that we only want to do this in single selection mode.
                if (!this.multiple && this._keyManager.activeItem) {
                    this._keyManager.activeItem._selectViaInteraction();
                }
                // Restore focus to the trigger before closing. Ensures that the focus
                // position won't be lost if the user got focus into the overlay.
                this.focus();
                this.close();
            }
        });
        this._keyManager.change.subscribe(() => {
            if (this._panelOpen && this.panel) {
                this._scrollOptionIntoView(this._keyManager.activeItemIndex || 0);
            }
            else if (!this._panelOpen && !this.multiple && this._keyManager.activeItem) {
                this._keyManager.activeItem._selectViaInteraction();
            }
        });
    }
    /** Drops current option subscriptions and IDs and resets from scratch. */
    _resetOptions() {
        const changedOrDestroyed = merge(this.options.changes, this._destroy);
        this.optionSelectionChanges.pipe(takeUntil(changedOrDestroyed)).subscribe(event => {
            this._onSelect(event.source, event.isUserInput);
            if (event.isUserInput && !this.multiple && this._panelOpen) {
                this.close();
                this.focus();
            }
        });
        // Listen to changes in the internal state of the options and react accordingly.
        // Handles cases like the labels of the selected options changing.
        merge(...this.options.map(option => option._stateChanges))
            .pipe(takeUntil(changedOrDestroyed))
            .subscribe(() => {
            // `_stateChanges` can fire as a result of a change in the label's DOM value which may
            // be the result of an expression changing. We have to use `detectChanges` in order
            // to avoid "changed after checked" errors (see #14793).
            this._changeDetectorRef.detectChanges();
            this.stateChanges.next();
        });
    }
    /** Invoked when an option is clicked. */
    _onSelect(option, isUserInput) {
        const wasSelected = this._selectionModel.isSelected(option);
        if (!this.canSelectNullableOptions && option.value == null && !this._multiple) {
            option.deselect();
            this._selectionModel.clear();
            if (this.value != null) {
                this._propagateChanges(option.value);
            }
        }
        else {
            if (wasSelected !== option.selected) {
                option.selected
                    ? this._selectionModel.select(option)
                    : this._selectionModel.deselect(option);
            }
            if (isUserInput) {
                this._keyManager.setActiveItem(option);
            }
            if (this.multiple) {
                this._sortValues();
                if (isUserInput) {
                    // In case the user selected the option with their mouse, we
                    // want to restore focus back to the trigger, in order to
                    // prevent the select keyboard controls from clashing with
                    // the ones from `mat-option`.
                    this.focus();
                }
            }
        }
        if (wasSelected !== this._selectionModel.isSelected(option)) {
            this._propagateChanges();
        }
        this.stateChanges.next();
    }
    /** Sorts the selected values in the selected based on their order in the panel. */
    _sortValues() {
        if (this.multiple) {
            const options = this.options.toArray();
            this._selectionModel.sort((a, b) => {
                return this.sortComparator
                    ? this.sortComparator(a, b, options)
                    : options.indexOf(a) - options.indexOf(b);
            });
            this.stateChanges.next();
        }
    }
    /** Emits change event to set the model value. */
    _propagateChanges(fallbackValue) {
        let valueToEmit;
        if (this.multiple) {
            valueToEmit = this.selected.map(option => option.value);
        }
        else {
            valueToEmit = this.selected ? this.selected.value : fallbackValue;
        }
        this._value = valueToEmit;
        this.valueChange.emit(valueToEmit);
        this._onChange(valueToEmit);
        this.selectionChange.emit(this._getChangeEvent(valueToEmit));
        this._changeDetectorRef.markForCheck();
    }
    /**
     * Highlights the selected item. If no option is selected, it will highlight
     * the first *enabled* option.
     */
    _highlightCorrectOption() {
        if (this._keyManager) {
            if (this.empty) {
                // Find the index of the first *enabled* option. Avoid calling `_keyManager.setActiveItem`
                // because it activates the first option that passes the skip predicate, rather than the
                // first *enabled* option.
                let firstEnabledOptionIndex = -1;
                for (let index = 0; index < this.options.length; index++) {
                    const option = this.options.get(index);
                    if (!option.disabled) {
                        firstEnabledOptionIndex = index;
                        break;
                    }
                }
                this._keyManager.setActiveItem(firstEnabledOptionIndex);
            }
            else {
                this._keyManager.setActiveItem(this._selectionModel.selected[0]);
            }
        }
    }
    /** Whether the panel is allowed to open. */
    _canOpen() {
        return !this._panelOpen && !this.disabled && this.options?.length > 0 && !!this._overlayDir;
    }
    /** Focuses the select element. */
    focus(options) {
        this._elementRef.nativeElement.focus(options);
    }
    /** Gets the aria-labelledby for the select panel. */
    _getPanelAriaLabelledby() {
        if (this.ariaLabel) {
            return null;
        }
        const labelId = this._parentFormField?.getLabelId() || null;
        const labelExpression = labelId ? labelId + ' ' : '';
        return this.ariaLabelledby ? labelExpression + this.ariaLabelledby : labelId;
    }
    /** Determines the `aria-activedescendant` to be set on the host. */
    _getAriaActiveDescendant() {
        if (this.panelOpen && this._keyManager && this._keyManager.activeItem) {
            return this._keyManager.activeItem.id;
        }
        return null;
    }
    /** Gets the aria-labelledby of the select component trigger. */
    _getTriggerAriaLabelledby() {
        if (this.ariaLabel) {
            return null;
        }
        let value = this._parentFormField?.getLabelId() || '';
        if (this.ariaLabelledby) {
            value += ' ' + this.ariaLabelledby;
        }
        // The value should not be used for the trigger's aria-labelledby,
        // but this currently "breaks" accessibility tests since they complain
        // there is no aria-labelledby. This is because they are not setting an
        // appropriate label on the form field or select.
        // TODO: remove this conditional after fixing clients by ensuring their
        // selects have a label applied.
        if (!value) {
            value = this._valueId;
        }
        return value;
    }
    /**
     * Implemented as part of MatFormFieldControl.
     * @docs-private
     */
    setDescribedByIds(ids) {
        if (ids.length) {
            this._elementRef.nativeElement.setAttribute('aria-describedby', ids.join(' '));
        }
        else {
            this._elementRef.nativeElement.removeAttribute('aria-describedby');
        }
    }
    /**
     * Implemented as part of MatFormFieldControl.
     * @docs-private
     */
    onContainerClick() {
        this.focus();
        this.open();
    }
    /**
     * Implemented as part of MatFormFieldControl.
     * @docs-private
     */
    get shouldLabelFloat() {
        // Since the panel doesn't overlap the trigger, we
        // want the label to only float when there's a value.
        return this.panelOpen || !this.empty || (this.focused && !!this.placeholder);
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelect, deps: [], target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "19.2.6", type: MatSelect, isStandalone: true, selector: "mat-select", inputs: { userAriaDescribedBy: ["aria-describedby", "userAriaDescribedBy"], panelClass: "panelClass", disabled: ["disabled", "disabled", booleanAttribute], disableRipple: ["disableRipple", "disableRipple", booleanAttribute], tabIndex: ["tabIndex", "tabIndex", (value) => (value == null ? 0 : numberAttribute(value))], hideSingleSelectionIndicator: ["hideSingleSelectionIndicator", "hideSingleSelectionIndicator", booleanAttribute], placeholder: "placeholder", required: ["required", "required", booleanAttribute], multiple: ["multiple", "multiple", booleanAttribute], disableOptionCentering: ["disableOptionCentering", "disableOptionCentering", booleanAttribute], compareWith: "compareWith", value: "value", ariaLabel: ["aria-label", "ariaLabel"], ariaLabelledby: ["aria-labelledby", "ariaLabelledby"], errorStateMatcher: "errorStateMatcher", typeaheadDebounceInterval: ["typeaheadDebounceInterval", "typeaheadDebounceInterval", numberAttribute], sortComparator: "sortComparator", id: "id", panelWidth: "panelWidth", canSelectNullableOptions: ["canSelectNullableOptions", "canSelectNullableOptions", booleanAttribute] }, outputs: { openedChange: "openedChange", _openedStream: "opened", _closedStream: "closed", selectionChange: "selectionChange", valueChange: "valueChange" }, host: { attributes: { "role": "combobox", "aria-haspopup": "listbox" }, listeners: { "keydown": "_handleKeydown($event)", "focus": "_onFocus()", "blur": "_onBlur()" }, properties: { "attr.id": "id", "attr.tabindex": "disabled ? -1 : tabIndex", "attr.aria-controls": "panelOpen ? id + \"-panel\" : null", "attr.aria-expanded": "panelOpen", "attr.aria-label": "ariaLabel || null", "attr.aria-required": "required.toString()", "attr.aria-disabled": "disabled.toString()", "attr.aria-invalid": "errorState", "attr.aria-activedescendant": "_getAriaActiveDescendant()", "class.mat-mdc-select-disabled": "disabled", "class.mat-mdc-select-invalid": "errorState", "class.mat-mdc-select-required": "required", "class.mat-mdc-select-empty": "empty", "class.mat-mdc-select-multiple": "multiple" }, classAttribute: "mat-mdc-select" }, providers: [
            { provide: MatFormFieldControl, useExisting: MatSelect },
            { provide: MAT_OPTION_PARENT_COMPONENT, useExisting: MatSelect },
        ], queries: [{ propertyName: "customTrigger", first: true, predicate: MAT_SELECT_TRIGGER, descendants: true }, { propertyName: "options", predicate: MatOption, descendants: true }, { propertyName: "optionGroups", predicate: MAT_OPTGROUP, descendants: true }], viewQueries: [{ propertyName: "trigger", first: true, predicate: ["trigger"], descendants: true }, { propertyName: "panel", first: true, predicate: ["panel"], descendants: true }, { propertyName: "_overlayDir", first: true, predicate: CdkConnectedOverlay, descendants: true }], exportAs: ["matSelect"], usesOnChanges: true, ngImport: i0, template: "<div cdk-overlay-origin\n     class=\"mat-mdc-select-trigger\"\n     (click)=\"open()\"\n     #fallbackOverlayOrigin=\"cdkOverlayOrigin\"\n     #trigger>\n\n  <div class=\"mat-mdc-select-value\" [attr.id]=\"_valueId\">\n    @if (empty) {\n      <span class=\"mat-mdc-select-placeholder mat-mdc-select-min-line\">{{placeholder}}</span>\n    } @else {\n      <span class=\"mat-mdc-select-value-text\">\n        @if (customTrigger) {\n          <ng-content select=\"mat-select-trigger\"></ng-content>\n        } @else {\n          <span class=\"mat-mdc-select-min-line\">{{triggerValue}}</span>\n        }\n      </span>\n    }\n  </div>\n\n  <div class=\"mat-mdc-select-arrow-wrapper\">\n    <div class=\"mat-mdc-select-arrow\">\n      <!-- Use an inline SVG, because it works better than a CSS triangle in high contrast mode. -->\n      <svg viewBox=\"0 0 24 24\" width=\"24px\" height=\"24px\" focusable=\"false\" aria-hidden=\"true\">\n        <path d=\"M7 10l5 5 5-5z\"/>\n      </svg>\n    </div>\n  </div>\n</div>\n\n<ng-template\n  cdk-connected-overlay\n  cdkConnectedOverlayLockPosition\n  cdkConnectedOverlayHasBackdrop\n  cdkConnectedOverlayBackdropClass=\"cdk-overlay-transparent-backdrop\"\n  [cdkConnectedOverlayDisableClose]=\"true\"\n  [cdkConnectedOverlayPanelClass]=\"_overlayPanelClass\"\n  [cdkConnectedOverlayScrollStrategy]=\"_scrollStrategy\"\n  [cdkConnectedOverlayOrigin]=\"_preferredOverlayOrigin || fallbackOverlayOrigin\"\n  [cdkConnectedOverlayPositions]=\"_positions\"\n  [cdkConnectedOverlayWidth]=\"_overlayWidth\"\n  [cdkConnectedOverlayFlexibleDimensions]=\"true\"\n  (detach)=\"close()\"\n  (backdropClick)=\"close()\"\n  (overlayKeydown)=\"_handleOverlayKeydown($event)\">\n  <div\n    #panel\n    role=\"listbox\"\n    tabindex=\"-1\"\n    class=\"mat-mdc-select-panel mdc-menu-surface mdc-menu-surface--open {{ _getPanelTheme() }}\"\n    [class.mat-select-panel-animations-enabled]=\"!_animationsDisabled\"\n    [attr.id]=\"id + '-panel'\"\n    [attr.aria-multiselectable]=\"multiple\"\n    [attr.aria-label]=\"ariaLabel || null\"\n    [attr.aria-labelledby]=\"_getPanelAriaLabelledby()\"\n    [ngClass]=\"panelClass\"\n    (keydown)=\"_handleKeydown($event)\">\n    <ng-content></ng-content>\n  </div>\n</ng-template>\n", styles: ["@keyframes _mat-select-enter{from{opacity:0;transform:scaleY(0.8)}to{opacity:1;transform:none}}@keyframes _mat-select-exit{from{opacity:1}to{opacity:0}}.mat-mdc-select{display:inline-block;width:100%;outline:none;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;color:var(--mat-select-enabled-trigger-text-color, var(--mat-sys-on-surface));font-family:var(--mat-select-trigger-text-font, var(--mat-sys-body-large-font));line-height:var(--mat-select-trigger-text-line-height, var(--mat-sys-body-large-line-height));font-size:var(--mat-select-trigger-text-size, var(--mat-sys-body-large-size));font-weight:var(--mat-select-trigger-text-weight, var(--mat-sys-body-large-weight));letter-spacing:var(--mat-select-trigger-text-tracking, var(--mat-sys-body-large-tracking))}div.mat-mdc-select-panel{box-shadow:var(--mat-select-container-elevation-shadow, 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12))}.mat-mdc-select-disabled{color:var(--mat-select-disabled-trigger-text-color, color-mix(in srgb, var(--mat-sys-on-surface) 38%, transparent))}.mat-mdc-select-disabled .mat-mdc-select-placeholder{color:var(--mat-select-disabled-trigger-text-color, color-mix(in srgb, var(--mat-sys-on-surface) 38%, transparent))}.mat-mdc-select-trigger{display:inline-flex;align-items:center;cursor:pointer;position:relative;box-sizing:border-box;width:100%}.mat-mdc-select-disabled .mat-mdc-select-trigger{-webkit-user-select:none;user-select:none;cursor:default}.mat-mdc-select-value{width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mat-mdc-select-value-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mat-mdc-select-arrow-wrapper{height:24px;flex-shrink:0;display:inline-flex;align-items:center}.mat-form-field-appearance-fill .mdc-text-field--no-label .mat-mdc-select-arrow-wrapper{transform:none}.mat-mdc-form-field .mat-mdc-select.mat-mdc-select-invalid .mat-mdc-select-arrow,.mat-form-field-invalid:not(.mat-form-field-disabled) .mat-mdc-form-field-infix::after{color:var(--mat-select-invalid-arrow-color, var(--mat-sys-error))}.mat-mdc-select-arrow{width:10px;height:5px;position:relative;color:var(--mat-select-enabled-arrow-color, var(--mat-sys-on-surface-variant))}.mat-mdc-form-field.mat-focused .mat-mdc-select-arrow{color:var(--mat-select-focused-arrow-color, var(--mat-sys-primary))}.mat-mdc-form-field .mat-mdc-select.mat-mdc-select-disabled .mat-mdc-select-arrow{color:var(--mat-select-disabled-arrow-color, color-mix(in srgb, var(--mat-sys-on-surface) 38%, transparent))}.mat-mdc-select-arrow svg{fill:currentColor;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}@media(forced-colors: active){.mat-mdc-select-arrow svg{fill:CanvasText}.mat-mdc-select-disabled .mat-mdc-select-arrow svg{fill:GrayText}}div.mat-mdc-select-panel{width:100%;max-height:275px;outline:0;overflow:auto;padding:8px 0;border-radius:4px;box-sizing:border-box;position:relative;background-color:var(--mat-select-panel-background-color, var(--mat-sys-surface-container))}@media(forced-colors: active){div.mat-mdc-select-panel{outline:solid 1px}}.cdk-overlay-pane:not(.mat-mdc-select-panel-above) div.mat-mdc-select-panel{border-top-left-radius:0;border-top-right-radius:0;transform-origin:top center}.mat-mdc-select-panel-above div.mat-mdc-select-panel{border-bottom-left-radius:0;border-bottom-right-radius:0;transform-origin:bottom center}.mat-select-panel-animations-enabled{animation:_mat-select-enter 120ms cubic-bezier(0, 0, 0.2, 1)}.mat-select-panel-animations-enabled.mat-select-panel-exit{animation:_mat-select-exit 100ms linear}.mat-mdc-select-placeholder{transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1);color:var(--mat-select-placeholder-text-color, var(--mat-sys-on-surface-variant))}.mat-mdc-form-field:not(.mat-form-field-animations-enabled) .mat-mdc-select-placeholder,._mat-animation-noopable .mat-mdc-select-placeholder{transition:none}.mat-form-field-hide-placeholder .mat-mdc-select-placeholder{color:rgba(0,0,0,0);-webkit-text-fill-color:rgba(0,0,0,0);transition:none;display:block}.mat-mdc-form-field-type-mat-select:not(.mat-form-field-disabled) .mat-mdc-text-field-wrapper{cursor:pointer}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-fill .mat-mdc-floating-label{max-width:calc(100% - 18px)}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-fill .mdc-floating-label--float-above{max-width:calc(100%/0.75 - 24px)}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-outline .mdc-notched-outline__notch{max-width:calc(100% - 60px)}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-outline .mdc-text-field--label-floating .mdc-notched-outline__notch{max-width:calc(100% - 24px)}.mat-mdc-select-min-line:empty::before{content:\" \";white-space:pre;width:1px;display:inline-block;visibility:hidden}.mat-form-field-appearance-fill .mat-mdc-select-arrow-wrapper{transform:var(--mat-select-arrow-transform, translateY(-8px))}\n"], dependencies: [{ kind: "directive", type: CdkOverlayOrigin, selector: "[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]", exportAs: ["cdkOverlayOrigin"] }, { kind: "directive", type: CdkConnectedOverlay, selector: "[cdk-connected-overlay], [connected-overlay], [cdkConnectedOverlay]", inputs: ["cdkConnectedOverlayOrigin", "cdkConnectedOverlayPositions", "cdkConnectedOverlayPositionStrategy", "cdkConnectedOverlayOffsetX", "cdkConnectedOverlayOffsetY", "cdkConnectedOverlayWidth", "cdkConnectedOverlayHeight", "cdkConnectedOverlayMinWidth", "cdkConnectedOverlayMinHeight", "cdkConnectedOverlayBackdropClass", "cdkConnectedOverlayPanelClass", "cdkConnectedOverlayViewportMargin", "cdkConnectedOverlayScrollStrategy", "cdkConnectedOverlayOpen", "cdkConnectedOverlayDisableClose", "cdkConnectedOverlayTransformOriginOn", "cdkConnectedOverlayHasBackdrop", "cdkConnectedOverlayLockPosition", "cdkConnectedOverlayFlexibleDimensions", "cdkConnectedOverlayGrowAfterOpen", "cdkConnectedOverlayPush", "cdkConnectedOverlayDisposeOnNavigation"], outputs: ["backdropClick", "positionChange", "attach", "detach", "overlayKeydown", "overlayOutsideClick"], exportAs: ["cdkConnectedOverlay"] }, { kind: "directive", type: NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelect, decorators: [{
            type: Component,
            args: [{ selector: 'mat-select', exportAs: 'matSelect', encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, host: {
                        'role': 'combobox',
                        'aria-haspopup': 'listbox',
                        'class': 'mat-mdc-select',
                        '[attr.id]': 'id',
                        '[attr.tabindex]': 'disabled ? -1 : tabIndex',
                        '[attr.aria-controls]': 'panelOpen ? id + "-panel" : null',
                        '[attr.aria-expanded]': 'panelOpen',
                        '[attr.aria-label]': 'ariaLabel || null',
                        '[attr.aria-required]': 'required.toString()',
                        '[attr.aria-disabled]': 'disabled.toString()',
                        '[attr.aria-invalid]': 'errorState',
                        '[attr.aria-activedescendant]': '_getAriaActiveDescendant()',
                        '[class.mat-mdc-select-disabled]': 'disabled',
                        '[class.mat-mdc-select-invalid]': 'errorState',
                        '[class.mat-mdc-select-required]': 'required',
                        '[class.mat-mdc-select-empty]': 'empty',
                        '[class.mat-mdc-select-multiple]': 'multiple',
                        '(keydown)': '_handleKeydown($event)',
                        '(focus)': '_onFocus()',
                        '(blur)': '_onBlur()',
                    }, providers: [
                        { provide: MatFormFieldControl, useExisting: MatSelect },
                        { provide: MAT_OPTION_PARENT_COMPONENT, useExisting: MatSelect },
                    ], imports: [CdkOverlayOrigin, CdkConnectedOverlay, NgClass], template: "<div cdk-overlay-origin\n     class=\"mat-mdc-select-trigger\"\n     (click)=\"open()\"\n     #fallbackOverlayOrigin=\"cdkOverlayOrigin\"\n     #trigger>\n\n  <div class=\"mat-mdc-select-value\" [attr.id]=\"_valueId\">\n    @if (empty) {\n      <span class=\"mat-mdc-select-placeholder mat-mdc-select-min-line\">{{placeholder}}</span>\n    } @else {\n      <span class=\"mat-mdc-select-value-text\">\n        @if (customTrigger) {\n          <ng-content select=\"mat-select-trigger\"></ng-content>\n        } @else {\n          <span class=\"mat-mdc-select-min-line\">{{triggerValue}}</span>\n        }\n      </span>\n    }\n  </div>\n\n  <div class=\"mat-mdc-select-arrow-wrapper\">\n    <div class=\"mat-mdc-select-arrow\">\n      <!-- Use an inline SVG, because it works better than a CSS triangle in high contrast mode. -->\n      <svg viewBox=\"0 0 24 24\" width=\"24px\" height=\"24px\" focusable=\"false\" aria-hidden=\"true\">\n        <path d=\"M7 10l5 5 5-5z\"/>\n      </svg>\n    </div>\n  </div>\n</div>\n\n<ng-template\n  cdk-connected-overlay\n  cdkConnectedOverlayLockPosition\n  cdkConnectedOverlayHasBackdrop\n  cdkConnectedOverlayBackdropClass=\"cdk-overlay-transparent-backdrop\"\n  [cdkConnectedOverlayDisableClose]=\"true\"\n  [cdkConnectedOverlayPanelClass]=\"_overlayPanelClass\"\n  [cdkConnectedOverlayScrollStrategy]=\"_scrollStrategy\"\n  [cdkConnectedOverlayOrigin]=\"_preferredOverlayOrigin || fallbackOverlayOrigin\"\n  [cdkConnectedOverlayPositions]=\"_positions\"\n  [cdkConnectedOverlayWidth]=\"_overlayWidth\"\n  [cdkConnectedOverlayFlexibleDimensions]=\"true\"\n  (detach)=\"close()\"\n  (backdropClick)=\"close()\"\n  (overlayKeydown)=\"_handleOverlayKeydown($event)\">\n  <div\n    #panel\n    role=\"listbox\"\n    tabindex=\"-1\"\n    class=\"mat-mdc-select-panel mdc-menu-surface mdc-menu-surface--open {{ _getPanelTheme() }}\"\n    [class.mat-select-panel-animations-enabled]=\"!_animationsDisabled\"\n    [attr.id]=\"id + '-panel'\"\n    [attr.aria-multiselectable]=\"multiple\"\n    [attr.aria-label]=\"ariaLabel || null\"\n    [attr.aria-labelledby]=\"_getPanelAriaLabelledby()\"\n    [ngClass]=\"panelClass\"\n    (keydown)=\"_handleKeydown($event)\">\n    <ng-content></ng-content>\n  </div>\n</ng-template>\n", styles: ["@keyframes _mat-select-enter{from{opacity:0;transform:scaleY(0.8)}to{opacity:1;transform:none}}@keyframes _mat-select-exit{from{opacity:1}to{opacity:0}}.mat-mdc-select{display:inline-block;width:100%;outline:none;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;color:var(--mat-select-enabled-trigger-text-color, var(--mat-sys-on-surface));font-family:var(--mat-select-trigger-text-font, var(--mat-sys-body-large-font));line-height:var(--mat-select-trigger-text-line-height, var(--mat-sys-body-large-line-height));font-size:var(--mat-select-trigger-text-size, var(--mat-sys-body-large-size));font-weight:var(--mat-select-trigger-text-weight, var(--mat-sys-body-large-weight));letter-spacing:var(--mat-select-trigger-text-tracking, var(--mat-sys-body-large-tracking))}div.mat-mdc-select-panel{box-shadow:var(--mat-select-container-elevation-shadow, 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12))}.mat-mdc-select-disabled{color:var(--mat-select-disabled-trigger-text-color, color-mix(in srgb, var(--mat-sys-on-surface) 38%, transparent))}.mat-mdc-select-disabled .mat-mdc-select-placeholder{color:var(--mat-select-disabled-trigger-text-color, color-mix(in srgb, var(--mat-sys-on-surface) 38%, transparent))}.mat-mdc-select-trigger{display:inline-flex;align-items:center;cursor:pointer;position:relative;box-sizing:border-box;width:100%}.mat-mdc-select-disabled .mat-mdc-select-trigger{-webkit-user-select:none;user-select:none;cursor:default}.mat-mdc-select-value{width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mat-mdc-select-value-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mat-mdc-select-arrow-wrapper{height:24px;flex-shrink:0;display:inline-flex;align-items:center}.mat-form-field-appearance-fill .mdc-text-field--no-label .mat-mdc-select-arrow-wrapper{transform:none}.mat-mdc-form-field .mat-mdc-select.mat-mdc-select-invalid .mat-mdc-select-arrow,.mat-form-field-invalid:not(.mat-form-field-disabled) .mat-mdc-form-field-infix::after{color:var(--mat-select-invalid-arrow-color, var(--mat-sys-error))}.mat-mdc-select-arrow{width:10px;height:5px;position:relative;color:var(--mat-select-enabled-arrow-color, var(--mat-sys-on-surface-variant))}.mat-mdc-form-field.mat-focused .mat-mdc-select-arrow{color:var(--mat-select-focused-arrow-color, var(--mat-sys-primary))}.mat-mdc-form-field .mat-mdc-select.mat-mdc-select-disabled .mat-mdc-select-arrow{color:var(--mat-select-disabled-arrow-color, color-mix(in srgb, var(--mat-sys-on-surface) 38%, transparent))}.mat-mdc-select-arrow svg{fill:currentColor;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}@media(forced-colors: active){.mat-mdc-select-arrow svg{fill:CanvasText}.mat-mdc-select-disabled .mat-mdc-select-arrow svg{fill:GrayText}}div.mat-mdc-select-panel{width:100%;max-height:275px;outline:0;overflow:auto;padding:8px 0;border-radius:4px;box-sizing:border-box;position:relative;background-color:var(--mat-select-panel-background-color, var(--mat-sys-surface-container))}@media(forced-colors: active){div.mat-mdc-select-panel{outline:solid 1px}}.cdk-overlay-pane:not(.mat-mdc-select-panel-above) div.mat-mdc-select-panel{border-top-left-radius:0;border-top-right-radius:0;transform-origin:top center}.mat-mdc-select-panel-above div.mat-mdc-select-panel{border-bottom-left-radius:0;border-bottom-right-radius:0;transform-origin:bottom center}.mat-select-panel-animations-enabled{animation:_mat-select-enter 120ms cubic-bezier(0, 0, 0.2, 1)}.mat-select-panel-animations-enabled.mat-select-panel-exit{animation:_mat-select-exit 100ms linear}.mat-mdc-select-placeholder{transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1);color:var(--mat-select-placeholder-text-color, var(--mat-sys-on-surface-variant))}.mat-mdc-form-field:not(.mat-form-field-animations-enabled) .mat-mdc-select-placeholder,._mat-animation-noopable .mat-mdc-select-placeholder{transition:none}.mat-form-field-hide-placeholder .mat-mdc-select-placeholder{color:rgba(0,0,0,0);-webkit-text-fill-color:rgba(0,0,0,0);transition:none;display:block}.mat-mdc-form-field-type-mat-select:not(.mat-form-field-disabled) .mat-mdc-text-field-wrapper{cursor:pointer}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-fill .mat-mdc-floating-label{max-width:calc(100% - 18px)}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-fill .mdc-floating-label--float-above{max-width:calc(100%/0.75 - 24px)}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-outline .mdc-notched-outline__notch{max-width:calc(100% - 60px)}.mat-mdc-form-field-type-mat-select.mat-form-field-appearance-outline .mdc-text-field--label-floating .mdc-notched-outline__notch{max-width:calc(100% - 24px)}.mat-mdc-select-min-line:empty::before{content:\" \";white-space:pre;width:1px;display:inline-block;visibility:hidden}.mat-form-field-appearance-fill .mat-mdc-select-arrow-wrapper{transform:var(--mat-select-arrow-transform, translateY(-8px))}\n"] }]
        }], ctorParameters: () => [], propDecorators: { options: [{
                type: ContentChildren,
                args: [MatOption, { descendants: true }]
            }], optionGroups: [{
                type: ContentChildren,
                args: [MAT_OPTGROUP, { descendants: true }]
            }], customTrigger: [{
                type: ContentChild,
                args: [MAT_SELECT_TRIGGER]
            }], userAriaDescribedBy: [{
                type: Input,
                args: ['aria-describedby']
            }], trigger: [{
                type: ViewChild,
                args: ['trigger']
            }], panel: [{
                type: ViewChild,
                args: ['panel']
            }], _overlayDir: [{
                type: ViewChild,
                args: [CdkConnectedOverlay]
            }], panelClass: [{
                type: Input
            }], disabled: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], disableRipple: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], tabIndex: [{
                type: Input,
                args: [{
                        transform: (value) => (value == null ? 0 : numberAttribute(value)),
                    }]
            }], hideSingleSelectionIndicator: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], placeholder: [{
                type: Input
            }], required: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], multiple: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], disableOptionCentering: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], compareWith: [{
                type: Input
            }], value: [{
                type: Input
            }], ariaLabel: [{
                type: Input,
                args: ['aria-label']
            }], ariaLabelledby: [{
                type: Input,
                args: ['aria-labelledby']
            }], errorStateMatcher: [{
                type: Input
            }], typeaheadDebounceInterval: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], sortComparator: [{
                type: Input
            }], id: [{
                type: Input
            }], panelWidth: [{
                type: Input
            }], canSelectNullableOptions: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], openedChange: [{
                type: Output
            }], _openedStream: [{
                type: Output,
                args: ['opened']
            }], _closedStream: [{
                type: Output,
                args: ['closed']
            }], selectionChange: [{
                type: Output
            }], valueChange: [{
                type: Output
            }] } });
/**
 * Allows the user to customize the trigger that is displayed when the select has a value.
 */
class MatSelectTrigger {
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelectTrigger, deps: [], target: i0.ɵɵFactoryTarget.Directive });
    static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "19.2.6", type: MatSelectTrigger, isStandalone: true, selector: "mat-select-trigger", providers: [{ provide: MAT_SELECT_TRIGGER, useExisting: MatSelectTrigger }], ngImport: i0 });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelectTrigger, decorators: [{
            type: Directive,
            args: [{
                    selector: 'mat-select-trigger',
                    providers: [{ provide: MAT_SELECT_TRIGGER, useExisting: MatSelectTrigger }],
                }]
        }] });

class MatSelectModule {
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelectModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
    static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "19.2.6", ngImport: i0, type: MatSelectModule, imports: [OverlayModule, MatOptionModule, MatCommonModule, MatSelect, MatSelectTrigger], exports: [CdkScrollableModule,
            MatFormFieldModule,
            MatSelect,
            MatSelectTrigger,
            MatOptionModule,
            MatCommonModule] });
    static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelectModule, providers: [MAT_SELECT_SCROLL_STRATEGY_PROVIDER], imports: [OverlayModule, MatOptionModule, MatCommonModule, CdkScrollableModule,
            MatFormFieldModule,
            MatOptionModule,
            MatCommonModule] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: MatSelectModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [OverlayModule, MatOptionModule, MatCommonModule, MatSelect, MatSelectTrigger],
                    exports: [
                        CdkScrollableModule,
                        MatFormFieldModule,
                        MatSelect,
                        MatSelectTrigger,
                        MatOptionModule,
                        MatCommonModule,
                    ],
                    providers: [MAT_SELECT_SCROLL_STRATEGY_PROVIDER],
                }]
        }] });

export { MatSelectModule as M, MAT_SELECT_SCROLL_STRATEGY as a, MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY as b, MAT_SELECT_CONFIG as c, MAT_SELECT_SCROLL_STRATEGY_PROVIDER as d, MAT_SELECT_TRIGGER as e, MatSelectChange as f, MatSelect as g, MatSelectTrigger as h };
//# sourceMappingURL=module-Cbt8Fcmv.mjs.map