RiffMaster_WPFaT2023_Project/Frontend/RiffMasterFront/node_modules/@angular/material/fesm2022/select.mjs

import * as i8 from '@angular/cdk/overlay';
import { Overlay, CdkConnectedOverlay, CdkOverlayOrigin, OverlayModule } from '@angular/cdk/overlay';
import * as i7 from '@angular/common';
import { CommonModule } from '@angular/common';
import * as i0 from '@angular/core';
import { InjectionToken, EventEmitter, Directive, Optional, Inject, Self, Attribute, Input, ViewChild, Output, Component, ViewEncapsulation, ChangeDetectionStrategy, ContentChildren, ContentChild, NgModule } from '@angular/core';
import * as i2 from '@angular/material/core';
import { mixinDisableRipple, mixinTabIndex, mixinDisabled, mixinErrorState, _countGroupLabelsBeforeOption, _getOptionScrollPosition, MAT_OPTION_PARENT_COMPONENT, MatOption, MAT_OPTGROUP, MatOptionModule, MatCommonModule } from '@angular/material/core';
import * as i6 from '@angular/material/form-field';
import { MAT_FORM_FIELD, MatFormFieldControl, MatFormFieldModule } from '@angular/material/form-field';
import * as i1 from '@angular/cdk/scrolling';
import { CdkScrollableModule } from '@angular/cdk/scrolling';
import * as i5 from '@angular/cdk/a11y';
import { ActiveDescendantKeyManager } from '@angular/cdk/a11y';
import * as i3 from '@angular/cdk/bidi';
import { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';
import { SelectionModel } from '@angular/cdk/collections';
import { DOWN_ARROW, UP_ARROW, LEFT_ARROW, RIGHT_ARROW, ENTER, SPACE, hasModifierKey, A } from '@angular/cdk/keycodes';
import * as i4 from '@angular/forms';
import { Validators } from '@angular/forms';
import { Subject, defer, merge } from 'rxjs';
import { startWith, switchMap, take, filter, map, distinctUntilChanged, takeUntil } from 'rxjs/operators';
import { trigger, transition, query, animateChild, state, style, animate } from '@angular/animations';

/**
 * The following are all the animations for the mat-select component, with each
 * const containing the metadata for one animation.
 *
 * The values below match the implementation of the AngularJS Material mat-select animation.
 * @docs-private
 */
const matSelectAnimations = {
    /**
     * This animation ensures the select's overlay panel animation (transformPanel) is called when
     * closing the select.
     * This is needed due to https://github.com/angular/angular/issues/23302
     */
    transformPanelWrap: trigger('transformPanelWrap', [
        transition('* => void', query('@transformPanel', [animateChild()], { optional: true })),
    ]),
    /** This animation transforms the select's overlay panel on and off the page. */
    transformPanel: trigger('transformPanel', [
        state('void', style({
            opacity: 0,
            transform: 'scale(1, 0.8)',
        })),
        transition('void => showing', animate('120ms cubic-bezier(0, 0, 0.2, 1)', style({
            opacity: 1,
            transform: 'scale(1, 1)',
        }))),
        transition('* => void', animate('100ms linear', style({ opacity: 0 }))),
    ]),
};

// 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.');
}

let nextUniqueId = 0;
/** Injection token that determines the scroll handling while a select is open. */
const MAT_SELECT_SCROLL_STRATEGY = new InjectionToken('mat-select-scroll-strategy');
/** @docs-private */
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 */
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 {
    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;
    }
}
// Boilerplate for applying mixins to MatSelect.
/** @docs-private */
const _MatSelectMixinBase = mixinDisableRipple(mixinTabIndex(mixinDisabled(mixinErrorState(class {
    constructor(_elementRef, _defaultErrorStateMatcher, _parentForm, _parentFormGroup, 
    /**
     * Form control bound to the component.
     * Implemented as part of `MatFormFieldControl`.
     * @docs-private
     */
    ngControl) {
        this._elementRef = _elementRef;
        this._defaultErrorStateMatcher = _defaultErrorStateMatcher;
        this._parentForm = _parentForm;
        this._parentFormGroup = _parentFormGroup;
        this.ngControl = ngControl;
        /**
         * Emits whenever the component state changes and should cause the parent
         * form-field to update. Implemented as part of `MatFormFieldControl`.
         * @docs-private
         */
        this.stateChanges = new Subject();
    }
}))));
/** Base class with all of the `MatSelect` functionality. */
class _MatSelectBase extends _MatSelectMixinBase {
    /** Whether the select is focused. */
    get focused() {
        return this._focused || this._panelOpen;
    }
    /** Placeholder to be shown if no value has been selected. */
    get placeholder() {
        return this._placeholder;
    }
    set placeholder(value) {
        this._placeholder = value;
        this.stateChanges.next();
    }
    /** Whether the component is required. */
    get required() {
        return this._required ?? this.ngControl?.control?.hasValidator(Validators.required) ?? false;
    }
    set required(value) {
        this._required = coerceBooleanProperty(value);
        this.stateChanges.next();
    }
    /** 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 = coerceBooleanProperty(value);
    }
    /** Whether to center the active option over the trigger. */
    get disableOptionCentering() {
        return this._disableOptionCentering;
    }
    set disableOptionCentering(value) {
        this._disableOptionCentering = coerceBooleanProperty(value);
    }
    /**
     * 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);
        }
    }
    /** Time to wait in milliseconds after the last keystroke before moving focus to an item. */
    get typeaheadDebounceInterval() {
        return this._typeaheadDebounceInterval;
    }
    set typeaheadDebounceInterval(value) {
        this._typeaheadDebounceInterval = coerceNumberProperty(value);
    }
    /** Unique id of the element. */
    get id() {
        return this._id;
    }
    set id(value) {
        this._id = value || this._uid;
        this.stateChanges.next();
    }
    constructor(_viewportRuler, _changeDetectorRef, _ngZone, _defaultErrorStateMatcher, elementRef, _dir, _parentForm, _parentFormGroup, _parentFormField, ngControl, tabIndex, scrollStrategyFactory, _liveAnnouncer, _defaultOptions) {
        super(elementRef, _defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl);
        this._viewportRuler = _viewportRuler;
        this._changeDetectorRef = _changeDetectorRef;
        this._ngZone = _ngZone;
        this._dir = _dir;
        this._parentFormField = _parentFormField;
        this._liveAnnouncer = _liveAnnouncer;
        this._defaultOptions = _defaultOptions;
        /** Whether or not the overlay panel is open. */
        this._panelOpen = false;
        /** Comparison function to specify which option is displayed. Defaults to object equality. */
        this._compareWith = (o1, o2) => o1 === o2;
        /** Unique id for this input. */
        this._uid = `mat-select-${nextUniqueId++}`;
        /** Current `aria-labelledby` value for the select trigger. */
        this._triggerAriaLabelledBy = null;
        /** Emits whenever the component is destroyed. */
        this._destroy = new Subject();
        /** `View -> model callback called when value changes` */
        this._onChange = () => { };
        /** `View -> model callback called when select has been touched` */
        this._onTouched = () => { };
        /** ID for the DOM node containing the select's value. */
        this._valueId = `mat-select-value-${nextUniqueId++}`;
        /** Emits when the panel element is finished transforming in. */
        this._panelDoneAnimatingStream = new Subject();
        this._overlayPanelClass = this._defaultOptions?.overlayPanelClass || '';
        this._focused = false;
        /** A name for this control that can be used by `mat-form-field`. */
        this.controlType = 'mat-select';
        this._multiple = false;
        this._disableOptionCentering = this._defaultOptions?.disableOptionCentering ?? false;
        /** Aria label of the select. */
        this.ariaLabel = '';
        /** Combined stream of all of the child options' change events. */
        this.optionSelectionChanges = defer(() => {
            const options = this.options;
            if (options) {
                return options.changes.pipe(startWith(options), switchMap(() => merge(...options.map(option => option.onSelectionChange))));
            }
            return this._ngZone.onStable.pipe(take(1), switchMap(() => this.optionSelectionChanges));
        });
        /** Event emitted when the select panel has been toggled. */
        this.openedChange = new EventEmitter();
        /** Event emitted when the select has been opened. */
        this._openedStream = this.openedChange.pipe(filter(o => o), map(() => { }));
        /** Event emitted when the select has been closed. */
        this._closedStream = this.openedChange.pipe(filter(o => !o), map(() => { }));
        /** Event emitted when the selected value has been changed by the user. */
        this.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
         */
        this.valueChange = new EventEmitter();
        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 (_defaultOptions?.typeaheadDebounceInterval != null) {
            this._typeaheadDebounceInterval = _defaultOptions.typeaheadDebounceInterval;
        }
        this._scrollStrategyFactory = scrollStrategyFactory;
        this._scrollStrategy = this._scrollStrategyFactory();
        this.tabIndex = 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();
        // We need `distinctUntilChanged` here, because some browsers will
        // fire the animation end event twice for the same animation. See:
        // https://github.com/angular/angular/issues/24084
        this._panelDoneAnimatingStream
            .pipe(distinctUntilChanged(), takeUntil(this._destroy))
            .subscribe(() => this._panelDoneAnimating(this.panelOpen));
    }
    ngAfterContentInit() {
        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 `mixinDisabled`, 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._keyManager?.destroy();
        this._destroy.next();
        this._destroy.complete();
        this.stateChanges.complete();
    }
    /** Toggles the overlay panel open or closed. */
    toggle() {
        this.panelOpen ? this.close() : this.open();
    }
    /** Opens the overlay panel. */
    open() {
        if (this._canOpen()) {
            this._panelOpen = true;
            this._keyManager.withHorizontalOrientation(null);
            this._highlightCorrectOption();
            this._changeDetectorRef.markForCheck();
        }
    }
    /** Closes the overlay panel and focuses the host element. */
    close() {
        if (this._panelOpen) {
            this._panelOpen = false;
            this._keyManager.withHorizontalOrientation(this._isRtl() ? 'rtl' : 'ltr');
            this._changeDetectorRef.markForCheck();
            this._onTouched();
        }
    }
    /**
     * 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;
    }
    /** 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();
            }
        }
    }
    _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();
        }
    }
    /**
     * Callback that is invoked when the overlay panel has been attached.
     */
    _onAttached() {
        this._overlayDir.positionChange.pipe(take(1)).subscribe(() => {
            this._changeDetectorRef.detectChanges();
            this._positioningSettled();
        });
    }
    /** 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._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(item) {
        return item.disabled;
    }
    /** 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 (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 = null;
        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;
    }
    /** 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();
        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;
        }
        const labelId = this._parentFormField?.getLabelId();
        let value = (labelId ? labelId + ' ' : '') + this._valueId;
        if (this.ariaLabelledby) {
            value += ' ' + this.ariaLabelledby;
        }
        return value;
    }
    /** Called when the overlay panel is done animating. */
    _panelDoneAnimating(isOpen) {
        this.openedChange.emit(isOpen);
    }
    /**
     * 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() {
        return this._panelOpen || !this.empty || (this._focused && !!this._placeholder);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: _MatSelectBase, deps: [{ token: i1.ViewportRuler }, { token: i0.ChangeDetectorRef }, { token: i0.NgZone }, { token: i2.ErrorStateMatcher }, { token: i0.ElementRef }, { token: i3.Directionality, optional: true }, { token: i4.NgForm, optional: true }, { token: i4.FormGroupDirective, optional: true }, { token: MAT_FORM_FIELD, optional: true }, { token: i4.NgControl, optional: true, self: true }, { token: 'tabindex', attribute: true }, { token: MAT_SELECT_SCROLL_STRATEGY }, { token: i5.LiveAnnouncer }, { token: MAT_SELECT_CONFIG, optional: true }], target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.0.0", type: _MatSelectBase, inputs: { userAriaDescribedBy: ["aria-describedby", "userAriaDescribedBy"], panelClass: "panelClass", placeholder: "placeholder", required: "required", multiple: "multiple", disableOptionCentering: "disableOptionCentering", compareWith: "compareWith", value: "value", ariaLabel: ["aria-label", "ariaLabel"], ariaLabelledby: ["aria-labelledby", "ariaLabelledby"], errorStateMatcher: "errorStateMatcher", typeaheadDebounceInterval: "typeaheadDebounceInterval", sortComparator: "sortComparator", id: "id" }, outputs: { openedChange: "openedChange", _openedStream: "opened", _closedStream: "closed", selectionChange: "selectionChange", valueChange: "valueChange" }, 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 }], usesInheritance: true, usesOnChanges: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: _MatSelectBase, decorators: [{
            type: Directive
        }], ctorParameters: function () { return [{ type: i1.ViewportRuler }, { type: i0.ChangeDetectorRef }, { type: i0.NgZone }, { type: i2.ErrorStateMatcher }, { type: i0.ElementRef }, { type: i3.Directionality, decorators: [{
                    type: Optional
                }] }, { type: i4.NgForm, decorators: [{
                    type: Optional
                }] }, { type: i4.FormGroupDirective, decorators: [{
                    type: Optional
                }] }, { type: i6.MatFormField, decorators: [{
                    type: Optional
                }, {
                    type: Inject,
                    args: [MAT_FORM_FIELD]
                }] }, { type: i4.NgControl, decorators: [{
                    type: Self
                }, {
                    type: Optional
                }] }, { type: undefined, decorators: [{
                    type: Attribute,
                    args: ['tabindex']
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [MAT_SELECT_SCROLL_STRATEGY]
                }] }, { type: i5.LiveAnnouncer }, { type: undefined, decorators: [{
                    type: Optional
                }, {
                    type: Inject,
                    args: [MAT_SELECT_CONFIG]
                }] }]; }, propDecorators: { userAriaDescribedBy: [{
                type: Input,
                args: ['aria-describedby']
            }], trigger: [{
                type: ViewChild,
                args: ['trigger']
            }], panel: [{
                type: ViewChild,
                args: ['panel']
            }], _overlayDir: [{
                type: ViewChild,
                args: [CdkConnectedOverlay]
            }], panelClass: [{
                type: Input
            }], placeholder: [{
                type: Input
            }], required: [{
                type: Input
            }], multiple: [{
                type: Input
            }], disableOptionCentering: [{
                type: Input
            }], compareWith: [{
                type: Input
            }], value: [{
                type: Input
            }], ariaLabel: [{
                type: Input,
                args: ['aria-label']
            }], ariaLabelledby: [{
                type: Input,
                args: ['aria-labelledby']
            }], errorStateMatcher: [{
                type: Input
            }], typeaheadDebounceInterval: [{
                type: Input
            }], sortComparator: [{
                type: Input
            }], id: [{
                type: Input
            }], 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 { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelectTrigger, deps: [], target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.0.0", type: MatSelectTrigger, selector: "mat-select-trigger", providers: [{ provide: MAT_SELECT_TRIGGER, useExisting: MatSelectTrigger }], ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelectTrigger, decorators: [{
            type: Directive,
            args: [{
                    selector: 'mat-select-trigger',
                    providers: [{ provide: MAT_SELECT_TRIGGER, useExisting: MatSelectTrigger }],
                }]
        }] });
class MatSelect extends _MatSelectBase {
    constructor() {
        super(...arguments);
        this._positions = [
            {
                originX: 'start',
                originY: 'bottom',
                overlayX: 'start',
                overlayY: 'top',
            },
            {
                originX: 'start',
                originY: 'top',
                overlayX: 'start',
                overlayY: 'bottom',
                panelClass: 'mat-mdc-select-panel-above',
            },
        ];
        this._hideSingleSelectionIndicator = this._defaultOptions?.hideSingleSelectionIndicator ?? 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.
        this._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;
        };
    }
    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);
    }
    ngOnInit() {
        super.ngOnInit();
        this._viewportRuler
            .change()
            .pipe(takeUntil(this._destroy))
            .subscribe(() => {
            if (this.panelOpen) {
                this._overlayWidth = this._getOverlayWidth();
                this._changeDetectorRef.detectChanges();
            }
        });
    }
    ngAfterViewInit() {
        // Note that it's important that we read this in `ngAfterViewInit`, because
        // reading it earlier will cause the form field to return a different element.
        if (this._parentFormField) {
            this._preferredOverlayOrigin = this._parentFormField.getConnectedOverlayOrigin();
        }
    }
    open() {
        this._overlayWidth = this._getOverlayWidth();
        super.open();
        // Required for the MDC form field to pick up when the overlay has been opened.
        this.stateChanges.next();
    }
    close() {
        super.close();
        // Required for the MDC form field to pick up when the overlay has been closed.
        this.stateChanges.next();
    }
    /** Scrolls the active option into 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);
            }
        }
    }
    _positioningSettled() {
        this._scrollOptionIntoView(this._keyManager.activeItemIndex || 0);
    }
    _getChangeEvent(value) {
        return new MatSelectChange(this, value);
    }
    /** Gets how wide the overlay panel should be. */
    _getOverlayWidth() {
        const refToMeasure = this._preferredOverlayOrigin instanceof CdkOverlayOrigin
            ? this._preferredOverlayOrigin.elementRef
            : this._preferredOverlayOrigin || this._elementRef;
        return refToMeasure.nativeElement.getBoundingClientRect().width;
    }
    /** Whether checkmark indicator for single-selection options is hidden. */
    get hideSingleSelectionIndicator() {
        return this._hideSingleSelectionIndicator;
    }
    set hideSingleSelectionIndicator(value) {
        this._hideSingleSelectionIndicator = coerceBooleanProperty(value);
        this._syncParentProperties();
    }
    /** Syncs the parent state with the individual options. */
    _syncParentProperties() {
        if (this.options) {
            for (const option of this.options) {
                option._changeDetectorRef.markForCheck();
            }
        }
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelect, deps: null, target: i0.ɵɵFactoryTarget.Component }); }
    static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.0.0", type: MatSelect, selector: "mat-select", inputs: { disabled: "disabled", disableRipple: "disableRipple", tabIndex: "tabIndex", hideSingleSelectionIndicator: "hideSingleSelectionIndicator" }, host: { attributes: { "role": "combobox", "aria-autocomplete": "none", "aria-haspopup": "listbox", "ngSkipHydration": "" }, listeners: { "keydown": "_handleKeydown($event)", "focus": "_onFocus()", "blur": "_onBlur()" }, properties: { "attr.id": "id", "attr.tabindex": "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 }], exportAs: ["matSelect"], usesInheritance: true, ngImport: i0, template: "<!--\n Note that the select trigger element specifies `aria-owns` pointing to the listbox overlay.\n While aria-owns is not required for the ARIA 1.2 `role=\"combobox\"` interaction pattern,\n it fixes an issue with VoiceOver when the select appears inside of an `aria-model=\"true\"`\n element (e.g. a dialog). Without this `aria-owns`, the `aria-modal` on a dialog prevents\n VoiceOver from \"seeing\" the select's listbox overlay for aria-activedescendant.\n Using `aria-owns` re-parents the select overlay so that it works again.\n See https://github.com/angular/components/issues/20694\n-->\n<div cdk-overlay-origin\n     [attr.aria-owns]=\"panelOpen ? id + '-panel' : null\"\n     class=\"mat-mdc-select-trigger\"\n     (click)=\"toggle()\"\n     #fallbackOverlayOrigin=\"cdkOverlayOrigin\"\n     #trigger>\n  <div class=\"mat-mdc-select-value\" [ngSwitch]=\"empty\" [attr.id]=\"_valueId\">\n    <span class=\"mat-mdc-select-placeholder mat-mdc-select-min-line\" *ngSwitchCase=\"true\">{{placeholder}}</span>\n    <span class=\"mat-mdc-select-value-text\" *ngSwitchCase=\"false\" [ngSwitch]=\"!!customTrigger\">\n      <span class=\"mat-mdc-select-min-line\" *ngSwitchDefault>{{triggerValue}}</span>\n      <ng-content select=\"mat-select-trigger\" *ngSwitchCase=\"true\"></ng-content>\n    </span>\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  [cdkConnectedOverlayPanelClass]=\"_overlayPanelClass\"\n  [cdkConnectedOverlayScrollStrategy]=\"_scrollStrategy\"\n  [cdkConnectedOverlayOrigin]=\"_preferredOverlayOrigin || fallbackOverlayOrigin\"\n  [cdkConnectedOverlayOpen]=\"panelOpen\"\n  [cdkConnectedOverlayPositions]=\"_positions\"\n  [cdkConnectedOverlayWidth]=\"_overlayWidth\"\n  (backdropClick)=\"close()\"\n  (attach)=\"_onAttached()\"\n  (detach)=\"close()\">\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    [attr.id]=\"id + '-panel'\"\n    [attr.aria-multiselectable]=\"multiple\"\n    [attr.aria-label]=\"ariaLabel || null\"\n    [attr.aria-labelledby]=\"_getPanelAriaLabelledby()\"\n    [ngClass]=\"panelClass\"\n    [@transformPanel]=\"'showing'\"\n    (@transformPanel.done)=\"_panelDoneAnimatingStream.next($event.toState)\"\n    (keydown)=\"_handleKeydown($event)\">\n    <ng-content></ng-content>\n  </div>\n</ng-template>\n", styles: [".mdc-menu-surface{display:none;position:absolute;box-sizing:border-box;margin:0;padding:0;transform:scale(1);transform-origin:top left;opacity:0;overflow:auto;will-change:transform,opacity;transform-origin-left:top left;transform-origin-right:top right}.mdc-menu-surface:focus{outline:none}.mdc-menu-surface--animating-open{display:inline-block;transform:scale(0.8);opacity:0}.mdc-menu-surface--open{display:inline-block;transform:scale(1);opacity:1}.mdc-menu-surface--animating-closed{display:inline-block;opacity:0}[dir=rtl] .mdc-menu-surface,.mdc-menu-surface[dir=rtl]{transform-origin-left:top right;transform-origin-right:top left}.mdc-menu-surface--anchor{position:relative;overflow:visible}.mdc-menu-surface--fixed{position:fixed}.mdc-menu-surface--fullwidth{width:100%}.mdc-menu-surface{max-width:calc(100vw - 32px);max-width:var(--mdc-menu-max-width, calc(100vw - 32px));max-height:calc(100vh - 32px);max-height:var(--mdc-menu-max-height, calc(100vh - 32px));z-index:8;border-radius:4px;border-radius:var(--mdc-shape-medium, 4px)}.mat-mdc-select{display:inline-block;width:100%;outline:none}.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 .mat-mdc-select-arrow-wrapper{transform:translateY(-8px)}.mat-form-field-appearance-fill .mdc-text-field--no-label .mat-mdc-select-arrow-wrapper{transform:none}.mat-mdc-select-arrow{width:10px;height:5px;position:relative}.mat-mdc-select-arrow svg{fill:currentColor;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.cdk-high-contrast-active .mat-mdc-select-arrow svg{fill:CanvasText}.mat-mdc-select-disabled .cdk-high-contrast-active .mat-mdc-select-arrow svg{fill:GrayText}.mdc-menu-surface.mat-mdc-select-panel{width:100%;max-height:275px;position:static;outline:0;margin:0;padding:8px 0;list-style-type:none}.mdc-menu-surface.mat-mdc-select-panel:focus{outline:none}.cdk-high-contrast-active .mdc-menu-surface.mat-mdc-select-panel{outline:solid 1px}.cdk-overlay-pane:not(.mat-mdc-select-panel-above) .mdc-menu-surface.mat-mdc-select-panel{border-top-left-radius:0;border-top-right-radius:0;transform-origin:top center}.mat-mdc-select-panel-above .mdc-menu-surface.mat-mdc-select-panel{border-bottom-left-radius:0;border-bottom-right-radius:0;transform-origin:bottom center}.mat-mdc-select-placeholder{transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}._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.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}"], dependencies: [{ kind: "directive", type: i7.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i7.NgSwitch, selector: "[ngSwitch]", inputs: ["ngSwitch"] }, { kind: "directive", type: i7.NgSwitchCase, selector: "[ngSwitchCase]", inputs: ["ngSwitchCase"] }, { kind: "directive", type: i7.NgSwitchDefault, selector: "[ngSwitchDefault]" }, { kind: "directive", type: i8.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"], outputs: ["backdropClick", "positionChange", "attach", "detach", "overlayKeydown", "overlayOutsideClick"], exportAs: ["cdkConnectedOverlay"] }, { kind: "directive", type: i8.CdkOverlayOrigin, selector: "[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]", exportAs: ["cdkOverlayOrigin"] }], animations: [matSelectAnimations.transformPanel], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelect, decorators: [{
            type: Component,
            args: [{ selector: 'mat-select', exportAs: 'matSelect', inputs: ['disabled', 'disableRipple', 'tabIndex'], encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, host: {
                        'role': 'combobox',
                        'aria-autocomplete': 'none',
                        'aria-haspopup': 'listbox',
                        'class': 'mat-mdc-select',
                        '[attr.id]': 'id',
                        '[attr.tabindex]': '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()',
                        'ngSkipHydration': '',
                        '[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()',
                    }, animations: [matSelectAnimations.transformPanel], providers: [
                        { provide: MatFormFieldControl, useExisting: MatSelect },
                        { provide: MAT_OPTION_PARENT_COMPONENT, useExisting: MatSelect },
                    ], template: "<!--\n Note that the select trigger element specifies `aria-owns` pointing to the listbox overlay.\n While aria-owns is not required for the ARIA 1.2 `role=\"combobox\"` interaction pattern,\n it fixes an issue with VoiceOver when the select appears inside of an `aria-model=\"true\"`\n element (e.g. a dialog). Without this `aria-owns`, the `aria-modal` on a dialog prevents\n VoiceOver from \"seeing\" the select's listbox overlay for aria-activedescendant.\n Using `aria-owns` re-parents the select overlay so that it works again.\n See https://github.com/angular/components/issues/20694\n-->\n<div cdk-overlay-origin\n     [attr.aria-owns]=\"panelOpen ? id + '-panel' : null\"\n     class=\"mat-mdc-select-trigger\"\n     (click)=\"toggle()\"\n     #fallbackOverlayOrigin=\"cdkOverlayOrigin\"\n     #trigger>\n  <div class=\"mat-mdc-select-value\" [ngSwitch]=\"empty\" [attr.id]=\"_valueId\">\n    <span class=\"mat-mdc-select-placeholder mat-mdc-select-min-line\" *ngSwitchCase=\"true\">{{placeholder}}</span>\n    <span class=\"mat-mdc-select-value-text\" *ngSwitchCase=\"false\" [ngSwitch]=\"!!customTrigger\">\n      <span class=\"mat-mdc-select-min-line\" *ngSwitchDefault>{{triggerValue}}</span>\n      <ng-content select=\"mat-select-trigger\" *ngSwitchCase=\"true\"></ng-content>\n    </span>\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  [cdkConnectedOverlayPanelClass]=\"_overlayPanelClass\"\n  [cdkConnectedOverlayScrollStrategy]=\"_scrollStrategy\"\n  [cdkConnectedOverlayOrigin]=\"_preferredOverlayOrigin || fallbackOverlayOrigin\"\n  [cdkConnectedOverlayOpen]=\"panelOpen\"\n  [cdkConnectedOverlayPositions]=\"_positions\"\n  [cdkConnectedOverlayWidth]=\"_overlayWidth\"\n  (backdropClick)=\"close()\"\n  (attach)=\"_onAttached()\"\n  (detach)=\"close()\">\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    [attr.id]=\"id + '-panel'\"\n    [attr.aria-multiselectable]=\"multiple\"\n    [attr.aria-label]=\"ariaLabel || null\"\n    [attr.aria-labelledby]=\"_getPanelAriaLabelledby()\"\n    [ngClass]=\"panelClass\"\n    [@transformPanel]=\"'showing'\"\n    (@transformPanel.done)=\"_panelDoneAnimatingStream.next($event.toState)\"\n    (keydown)=\"_handleKeydown($event)\">\n    <ng-content></ng-content>\n  </div>\n</ng-template>\n", styles: [".mdc-menu-surface{display:none;position:absolute;box-sizing:border-box;margin:0;padding:0;transform:scale(1);transform-origin:top left;opacity:0;overflow:auto;will-change:transform,opacity;transform-origin-left:top left;transform-origin-right:top right}.mdc-menu-surface:focus{outline:none}.mdc-menu-surface--animating-open{display:inline-block;transform:scale(0.8);opacity:0}.mdc-menu-surface--open{display:inline-block;transform:scale(1);opacity:1}.mdc-menu-surface--animating-closed{display:inline-block;opacity:0}[dir=rtl] .mdc-menu-surface,.mdc-menu-surface[dir=rtl]{transform-origin-left:top right;transform-origin-right:top left}.mdc-menu-surface--anchor{position:relative;overflow:visible}.mdc-menu-surface--fixed{position:fixed}.mdc-menu-surface--fullwidth{width:100%}.mdc-menu-surface{max-width:calc(100vw - 32px);max-width:var(--mdc-menu-max-width, calc(100vw - 32px));max-height:calc(100vh - 32px);max-height:var(--mdc-menu-max-height, calc(100vh - 32px));z-index:8;border-radius:4px;border-radius:var(--mdc-shape-medium, 4px)}.mat-mdc-select{display:inline-block;width:100%;outline:none}.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 .mat-mdc-select-arrow-wrapper{transform:translateY(-8px)}.mat-form-field-appearance-fill .mdc-text-field--no-label .mat-mdc-select-arrow-wrapper{transform:none}.mat-mdc-select-arrow{width:10px;height:5px;position:relative}.mat-mdc-select-arrow svg{fill:currentColor;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.cdk-high-contrast-active .mat-mdc-select-arrow svg{fill:CanvasText}.mat-mdc-select-disabled .cdk-high-contrast-active .mat-mdc-select-arrow svg{fill:GrayText}.mdc-menu-surface.mat-mdc-select-panel{width:100%;max-height:275px;position:static;outline:0;margin:0;padding:8px 0;list-style-type:none}.mdc-menu-surface.mat-mdc-select-panel:focus{outline:none}.cdk-high-contrast-active .mdc-menu-surface.mat-mdc-select-panel{outline:solid 1px}.cdk-overlay-pane:not(.mat-mdc-select-panel-above) .mdc-menu-surface.mat-mdc-select-panel{border-top-left-radius:0;border-top-right-radius:0;transform-origin:top center}.mat-mdc-select-panel-above .mdc-menu-surface.mat-mdc-select-panel{border-bottom-left-radius:0;border-bottom-right-radius:0;transform-origin:bottom center}.mat-mdc-select-placeholder{transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}._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.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}"] }]
        }], propDecorators: { options: [{
                type: ContentChildren,
                args: [MatOption, { descendants: true }]
            }], optionGroups: [{
                type: ContentChildren,
                args: [MAT_OPTGROUP, { descendants: true }]
            }], customTrigger: [{
                type: ContentChild,
                args: [MAT_SELECT_TRIGGER]
            }], hideSingleSelectionIndicator: [{
                type: Input
            }] } });

class MatSelectModule {
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelectModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule }); }
    static { this.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "16.0.0", ngImport: i0, type: MatSelectModule, declarations: [MatSelect, MatSelectTrigger], imports: [CommonModule, OverlayModule, MatOptionModule, MatCommonModule], exports: [CdkScrollableModule,
            MatFormFieldModule,
            MatSelect,
            MatSelectTrigger,
            MatOptionModule,
            MatCommonModule] }); }
    static { this.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelectModule, providers: [MAT_SELECT_SCROLL_STRATEGY_PROVIDER], imports: [CommonModule, OverlayModule, MatOptionModule, MatCommonModule, CdkScrollableModule,
            MatFormFieldModule,
            MatOptionModule,
            MatCommonModule] }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSelectModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [CommonModule, OverlayModule, MatOptionModule, MatCommonModule],
                    exports: [
                        CdkScrollableModule,
                        MatFormFieldModule,
                        MatSelect,
                        MatSelectTrigger,
                        MatOptionModule,
                        MatCommonModule,
                    ],
                    declarations: [MatSelect, MatSelectTrigger],
                    providers: [MAT_SELECT_SCROLL_STRATEGY_PROVIDER],
                }]
        }] });

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

export { MAT_SELECT_CONFIG, MAT_SELECT_SCROLL_STRATEGY, MAT_SELECT_SCROLL_STRATEGY_PROVIDER, MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY, MAT_SELECT_TRIGGER, MatSelect, MatSelectChange, MatSelectModule, MatSelectTrigger, _MatSelectBase, matSelectAnimations };
//# sourceMappingURL=select.mjs.map