13331632524

Committed 14 Feb 2025 02:51PM CUT coverage: 22.015% (-69.6%) from 91.622%

Build # 13331632524

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Pull #15372

github

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web-flow

Commit Message

Merge d52d57714 into bcb78ae0a

Pull Request Pull Request #15372: chore(*): test ci passing

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0.92

/projects/igniteui-angular/src/lib/navigation-drawer/navigation-drawer.component.ts

import {
    AfterContentInit,
    Component,
    ContentChild,
    ElementRef,
    EventEmitter,
    HostBinding,
    Inject,
    Input,
    OnChanges,
    OnDestroy,
    OnInit,
    Optional,
    Output,
    SimpleChange,
    ViewChild,
    Renderer2,
    booleanAttribute
} from '@angular/core';
import { fromEvent, interval, Subscription } from 'rxjs';
import { debounce } from 'rxjs/operators';
import { IgxNavigationService, IToggleView } from '../core/navigation';
import { HammerGesturesManager } from '../core/touch';
import { IgxNavDrawerMiniTemplateDirective, IgxNavDrawerTemplateDirective, IgxNavDrawerItemDirective } from './navigation-drawer.directives';
import { PlatformUtil } from '../core/utils';
import { NgTemplateOutlet } from '@angular/common';
import { HammerInput } from '../core/touch-annotations';

let NEXT_ID = 0;
/**
 * **Ignite UI for Angular Navigation Drawer** -
 * [Documentation](https://www.infragistics.com/products/ignite-ui-angular/angular/components/navdrawer)
 *
 * The Ignite UI Navigation Drawer is a collapsible side navigation container commonly used in combination with the Navbar.
 *
 * Example:
 * ```html
 * <igx-nav-drawer id="navigation" [isOpen]="true">
 *   <ng-template igxDrawer>
 *     <nav>
 *       <span igxDrawerItem [isHeader]="true">Email</span>
 *       <span igxDrawerItem igxRipple>Inbox</span>
 *       <span igxDrawerItem igxRipple>Deleted</span>
 *       <span igxDrawerItem igxRipple>Sent</span>
 *     </nav>
 *   </ng-template>
 * </igx-nav-drawer>
 * ```
 */
@Component({
    providers: [HammerGesturesManager],
    selector: 'igx-nav-drawer',
    templateUrl: 'navigation-drawer.component.html',
    styles: [`
        :host {
            display: block;
            height: 100%;
        }
    `],
    imports: [IgxNavDrawerItemDirective, NgTemplateOutlet]
})
export class IgxNavigationDrawerComponent implements
    IToggleView,
    OnInit,
    AfterContentInit,
    OnDestroy,
    OnChanges {

    /** @hidden @internal */
    @HostBinding('class.igx-nav-drawer')
    public cssClass = true;

    /**
     * ID of the component
     *
     * ```typescript
     * // get
     * let myNavDrawerId = this.navdrawer.id;
     * ```
     *
     * ```html
     * <!--set-->
     *  <igx-nav-drawer id='navdrawer'></igx-nav-drawer>
     * ```
     */
    @HostBinding('attr.id')
    @Input() public id = `igx-nav-drawer-${NEXT_ID++}`;

    /**
     * Position of the Navigation Drawer. Can be "left"(default) or "right".
     *
     * ```typescript
     * // get
     * let myNavDrawerPosition = this.navdrawer.position;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [position]="'left'"></igx-nav-drawer>
     * ```
     */
    @Input() public position = 'left';

    /**
     * Enables the use of touch gestures to manipulate the drawer:
     * - swipe/pan from edge to open, swipe-toggle and pan-drag.
     *
     * ```typescript
     * // get
     * let gesturesEnabled = this.navdrawer.enableGestures;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [enableGestures]='true'></igx-nav-drawer>
     * ```
     */
    @Input({ transform: booleanAttribute }) public enableGestures = true;

    /**
     * @hidden
     */
    @Output() public isOpenChange = new EventEmitter<boolean>();

    /**
     * Minimum device width required for automatic pin to be toggled.
     * Default is 1024, can be set to a falsy value to disable this behavior.
     *
     * ```typescript
     * // get
     * let navDrawerPinThreshold = this.navdrawer.pinThreshold;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [pinThreshold]='1024'></igx-nav-drawer>
     * ```
     */
    @Input() public pinThreshold = 1024;

    /**
     * When pinned the drawer is relatively positioned instead of sitting above content.
     * May require additional layout styling.
     *
     * ```typescript
     * // get
     * let navDrawerIsPinned = this.navdrawer.pin;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [pin]='false'></igx-nav-drawer>
     * ```
     */
    @Input({ transform: booleanAttribute }) public pin = false;

    /**
     * Width of the drawer in its open state.
     *
     * ```typescript
     * // get
     * let navDrawerWidth = this.navdrawer.width;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [width]="'228px'"></igx-nav-drawer>
     * ```
     */
    private _width: string;

    @Input()
    public get width() {
        return this._width;
    }
    public set width(value: string) {
        this._width = value;
    }


    /**
     * Enables/disables the animation, when toggling the drawer. Set to `false` by default.
     * ````html
     * <igx-nav-drawer [disableAnimation]="true"></igx-nav-drawer>
     * ````
     */
    @HostBinding('class.igx-nav-drawer--disable-animation')
    @Input({ transform: booleanAttribute }) public disableAnimation = false;

    /**
     * Width of the drawer in its mini state.
     *
     * ```typescript
     * // get
     * let navDrawerMiniWidth = this.navdrawer.miniWidth;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [miniWidth]="'34px'"></igx-nav-drawer>
     * ```
     */
    @Input() public miniWidth: string;

    /**
     * Pinned state change output for two-way binding.
     *
     * ```html
     * <igx-nav-drawer [(pin)]='isPinned'></igx-nav-drawer>
     * ```
     */
    @Output() public pinChange = new EventEmitter<boolean>(true);
    /**
     * Event fired as the Navigation Drawer is about to open.
     *
     * ```html
     *  <igx-nav-drawer (opening)='onOpening()'></igx-nav-drawer>
     * ```
     */
    @Output() public opening = new EventEmitter();
    /**
     * Event fired when the Navigation Drawer has opened.
     *
     * ```html
     * <igx-nav-drawer (opened)='onOpened()'></igx-nav-drawer>
     * ```
     */
    @Output() public opened = new EventEmitter();
    /**
     * Event fired as the Navigation Drawer is about to close.
     *
     * ```html
     * <igx-nav-drawer (closing)='onClosing()'></igx-nav-drawer>
     * ```
     */
    @Output() public closing = new EventEmitter();
    /**
     * Event fired when the Navigation Drawer has closed.
     *
     * ```html
     * <igx-nav-drawer (closed)='onClosed()'></igx-nav-drawer>
     * ```
     */
    @Output() public closed = new EventEmitter();

    /**
     * @hidden
     */
    @ContentChild(IgxNavDrawerTemplateDirective, { read: IgxNavDrawerTemplateDirective })
    protected contentTemplate: IgxNavDrawerTemplateDirective;

    @ViewChild('aside', { static: true }) private _drawer: ElementRef;
    @ViewChild('overlay', { static: true }) private _overlay: ElementRef;
    @ViewChild('dummy', { static: true }) private _styleDummy: ElementRef;

    private _isOpen = false;

    /**
     * State of the drawer.
     *
     * ```typescript
     * // get
     * let navDrawerIsOpen = this.navdrawer.isOpen;
     * ```
     *
     * ```html
     * <!--set-->
     * <igx-nav-drawer [isOpen]='false'></igx-nav-drawer>
     * ```
     *
     * Two-way data binding.
     * ```html
     * <!--set-->
     * <igx-nav-drawer [(isOpen)]='model.isOpen'></igx-nav-drawer>
     * ```
     */
    @Input({ transform: booleanAttribute })
    public get isOpen() {
        return this._isOpen;
    }
    public set isOpen(value) {
        this._isOpen = value;
        this.isOpenChange.emit(this._isOpen);
    }

    /**
     * Returns nativeElement of the component.
     *
     * @hidden
     */
    public get element() {
        return this.elementRef.nativeElement;
    }

    /**
     * @hidden
     */
    public get template() {
        if (this.miniTemplate && !this.isOpen) {
            return this.miniTemplate.template;
        } else if (this.contentTemplate) {
            return this.contentTemplate.template;
        }
    }

    private _miniTemplate: IgxNavDrawerMiniTemplateDirective;
    /**
     * @hidden
     */
    public get miniTemplate(): IgxNavDrawerMiniTemplateDirective {
        return this._miniTemplate;
    }

    /**
     * @hidden
     */
    @ContentChild(IgxNavDrawerMiniTemplateDirective, { read: IgxNavDrawerMiniTemplateDirective })
    public set miniTemplate(v: IgxNavDrawerMiniTemplateDirective) {
        this._miniTemplate = v;
    }

    /** @hidden @internal */
    @HostBinding('class.igx-nav-drawer--mini')
    public get isMini(): boolean {
        return !!this._miniTemplate && !this.isOpen;
    }

    /** @hidden @internal */
    @HostBinding('class.igx-nav-drawer--pinned')
    public get pinned(): boolean {
        return !!this.pin;
    }

    /**
     * @hidden
     */
    @HostBinding('style.--igx-nav-drawer-size')
    public get normalSize() {
        if (!this.isOpen) {
            return '0px';
        }

        return this.width;
    }

    /**
     * @hidden
     */
    @HostBinding('style.--igx-nav-drawer-size--mini')
    public get miniSize() {
        if (this.miniTemplate && this.miniWidth) {
            return this.miniWidth;
        }
    }

    /** @hidden */
    @HostBinding('style.order')
    public get isPinnedRight() {
        return this.pin && this.position === 'right' ? '1' : '0';
    }

    private _gesturesAttached = false;
    private _widthCache: { width: number; miniWidth: number; windowWidth: number } = { width: null, miniWidth: null, windowWidth: null };
    private _resizeObserver: Subscription;
    private css: { [name: string]: string } = {
        drawer: 'igx-nav-drawer__aside',
        mini: 'igx-nav-drawer__aside--mini',
        overlay: 'igx-nav-drawer__overlay',
        styleDummy: 'igx-nav-drawer__style-dummy'
    };

    /**
     * @hidden
     */
    public get drawer() {
        return this._drawer.nativeElement;
    }

    /**
     * @hidden
     */
    public get overlay() {
        return this._overlay.nativeElement;
    }

    /**
     * @hidden
     */
    public get styleDummy() {
        return this._styleDummy.nativeElement;
    }

    /** Pan animation properties */
    private _panning = false;
    private _panStartWidth: number;
    private _panLimit: number;

    /**
     * Property to decide whether to change width or translate the drawer from pan gesture.
     *
     * @hidden
     */
    public get hasAnimateWidth(): boolean {
        return this.pin || !!this.miniTemplate;
    }

    private _maxEdgeZone = 50;
    /**
     * Used for touch gestures (swipe and pan).
     * Defaults to 50 (in px) and is extended to at least 110% of the mini template width if available.
     *
     * @hidden
     */
    public get maxEdgeZone() {
        return this._maxEdgeZone;
    }

    /**
     * Gets the Drawer width for specific state.
     * Will attempt to evaluate requested state and cache.
     *
     *
     * @hidden
     */
    public get expectedWidth() {
        return this.getExpectedWidth(false);
    }

    /**
     * Get the Drawer mini width for specific state.
     * Will attempt to evaluate requested state and cache.
     *
     * @hidden
     */
    public get expectedMiniWidth() {
        return this.getExpectedWidth(true);
    }

    /**
     * @hidden
     */
    public get touchManager() {
        return this._touchManager;
    }

    /**
     * Exposes optional navigation service
     *
     * @hidden
     */
    public get state() {
        return this._state;
    }

    constructor(
        @Inject(ElementRef) private elementRef: ElementRef,
        @Optional() private _state: IgxNavigationService,
        protected renderer: Renderer2,
        private _touchManager: HammerGesturesManager,
        private platformUtil: PlatformUtil) {
    }

    /**
     * @hidden
     */
    public ngOnInit() {
        // DOM and @Input()-s initialized
        if (this._state) {
            this._state.add(this.id, this);
        }
    }

    /**
     * @hidden
     */
    public ngAfterContentInit() {
        // wait for template and ng-content to be ready
        this.updateEdgeZone();
        this.checkPinThreshold();

        this.ensureEvents();

        // TODO: apply platform-safe Ruler from http://plnkr.co/edit/81nWDyreYMzkunihfRgX?p=preview
        // (https://github.com/angular/angular/issues/6515), blocked by https://github.com/angular/angular/issues/6904
    }

    /**
     * @hidden
     */
    public ngOnDestroy() {
        this._touchManager.destroy();
        if (this._state) {
            this._state.remove(this.id);
        }
        if (this._resizeObserver) {
            this._resizeObserver.unsubscribe();
        }
    }

    /**
     * @hidden
     */
    public ngOnChanges(changes: { [propName: string]: SimpleChange }) {
        // simple settings can come from attribute set (rather than binding), make sure boolean props are converted
        if (changes.enableGestures && changes.enableGestures.currentValue !== undefined) {
            this.enableGestures = !!(this.enableGestures && this.enableGestures.toString() === 'true');
            this.ensureEvents();
        }
        if (changes.pin && changes.pin.currentValue !== undefined) {
            this.pin = !!(this.pin && this.pin.toString() === 'true');
            if (this.pin) {
                this._touchManager.destroy();
                this._gesturesAttached = false;
            } else {
                this.ensureEvents();
            }
        }

        if (changes.pinThreshold) {
            if (this.pinThreshold) {
                this.ensureEvents();
                this.checkPinThreshold();
            }
        }

        if (changes.miniWidth) {
            this.updateEdgeZone();
        }
    }

    /**
     * Toggle the open state of the Navigation Drawer.
     *
     * ```typescript
     * this.navdrawer.toggle();
     * ```
     */
    public toggle() {
        if (this.isOpen) {
            this.close();
        } else {
            this.open();
        }
    }

    /**
     * Open the Navigation Drawer. Has no effect if already opened.
     *
     * ```typescript
     * this.navdrawer.open();
     * ```
     */
    public open() {
        if (this._panning) {
            this.resetPan();
        }

        if (this.isOpen) {
            return;
        }

        this.opening.emit();
        this.isOpen = true;

        // TODO: Switch to animate API when available
        // var animationCss = this.animate.css();
        //     animationCss
        //         .setStyles({'width':'50px'}, {'width':'400px'})
        //         .start(this.elementRef.nativeElement)
        //         .onComplete(() => animationCss.setToStyles({'width':'auto'}).start(this.elementRef.nativeElement));

        this.elementRef.nativeElement.addEventListener('transitionend', this.toggleOpenedEvent, false);

        requestAnimationFrame(()=>{});
    }

    /**
     * Close the Navigation Drawer. Has no effect if already closed.
     *
     * ```typescript
     * this.navdrawer.close();
     * ```
     */
    public close() {
        if (this._panning) {
            this.resetPan();
        }

        if (!this.isOpen) {
            return;
        }

        this.closing.emit();

        this.isOpen = false;
        this.elementRef.nativeElement.addEventListener('transitionend', this.toggleClosedEvent, false);
    }

    /**
     * @hidden
     */
    protected set_maxEdgeZone(value: number) {
        this._maxEdgeZone = value;
    }

    /**
     * Get the Drawer width for specific state. Will attempt to evaluate requested state and cache.
     *
     * @hidden
     * @param [mini] - Request mini width instead
     */
    protected getExpectedWidth(mini?: boolean): number {
        if (mini) {
            if (!this.miniTemplate) {
                return 0;
            }
            if (this.miniWidth) {
                return parseFloat(this.miniWidth);
            } else {
                // if (!this.isOpen) { // This WON'T work due to transition timings...
                //     return this.elementRef.nativeElement.children[1].offsetWidth;
                // } else {
                if (this._widthCache.miniWidth === null) {
                    // force class for width calc. TODO?
                    // force class for width calc. TODO?
                    this.renderer.addClass(this.styleDummy, this.css.drawer);
                    this.renderer.addClass(this.styleDummy, this.css.mini);
                    this._widthCache.miniWidth = this.styleDummy.offsetWidth;
                    this.renderer.removeClass(this.styleDummy, this.css.drawer);
                    this.renderer.removeClass(this.styleDummy, this.css.mini);
                }
                return this._widthCache.miniWidth;
            }
        } else {
            if (this.width) {
                return parseFloat(this.width);
            } else {
                if (this._widthCache.width === null) {
                    // force class for width calc. TODO?
                    // force class for width calc. TODO?
                    this.renderer.addClass(this.styleDummy, this.css.drawer);
                    this._widthCache.width = this.styleDummy.offsetWidth;
                    this.renderer.removeClass(this.styleDummy, this.css.drawer);
                }
                return this._widthCache.width;
            }
        }
    }

    private getWindowWidth() {
        return (window.innerWidth > 0) ? window.innerWidth : screen.width;
    }

    /**
     * Get current Drawer width.
     */
    private getDrawerWidth(): number {
        return this.drawer.offsetWidth;
    }

    private ensureEvents() {
        // set listeners for swipe/pan only if needed, but just once
        if (this.enableGestures && !this.pin && !this._gesturesAttached) {
            // Built-in manager handler(L20887) causes endless loop and max stack exception.
            // https://github.com/angular/angular/issues/6993
            // Use ours for now (until beta.10):
            // this.renderer.listen(document, "swipe", this.swipe);
            this._touchManager.addGlobalEventListener('document', 'swipe', this.swipe);
            this._gesturesAttached = true;

            // this.renderer.listen(document, "panstart", this.panstart);
            // this.renderer.listen(document, "pan", this.pan);
            this._touchManager.addGlobalEventListener('document', 'panstart', this.panstart);
            this._touchManager.addGlobalEventListener('document', 'panmove', this.pan);
            this._touchManager.addGlobalEventListener('document', 'panend', this.panEnd);
        }
        if (!this._resizeObserver && this.platformUtil.isBrowser) {
            this._resizeObserver = fromEvent(window, 'resize').pipe(debounce(() => interval(150)))
                .subscribe((value) => {
                    this.checkPinThreshold(value);
                });
        }
    }

    private updateEdgeZone() {
        let maxValue;

        if (this.miniTemplate) {
            maxValue = Math.max(this._maxEdgeZone, this.getExpectedWidth(true) * 1.1);
            this.set_maxEdgeZone(maxValue);
        }
    }

    private checkPinThreshold = (evt?: Event) => {
        if (!this.platformUtil.isBrowser) {
            return;
        }
        let windowWidth;
        if (this.pinThreshold) {
            windowWidth = this.getWindowWidth();
            if (evt && this._widthCache.windowWidth === windowWidth) {
                return;
            }
            this._widthCache.windowWidth = windowWidth;
            if (!this.pin && windowWidth >= this.pinThreshold) {
                this.pin = true;
                this.pinChange.emit(true);
            } else if (this.pin && windowWidth < this.pinThreshold) {
                this.pin = false;
                this.pinChange.emit(false);
            }
        }
    };

    private swipe = (evt: HammerInput) => {
        // TODO: Could also force input type: http://stackoverflow.com/a/27108052
        if (!this.enableGestures || evt.pointerType !== 'touch') {
            return;
        }

        // HammerJS swipe is horizontal-only by default, don't check deltaY
        let deltaX;
        let startPosition;
        if (this.position === 'right') {
            // when on the right use inverse of deltaX
            deltaX = -evt.deltaX;
            startPosition = this.getWindowWidth() - (evt.center.x + evt.distance);
        } else {
            deltaX = evt.deltaX;
            startPosition = evt.center.x - evt.distance;
        }
        // only accept closing swipe (ignoring minEdgeZone) when the drawer is expanded:
        if ((this.isOpen && deltaX < 0) ||
            // positive deltaX from the edge:
            (deltaX > 0 && startPosition < this.maxEdgeZone)) {
            this.toggle();
        }
    };

    private panstart = (evt: HammerInput) => { // TODO: test code
        if (!this.enableGestures || this.pin || evt.pointerType !== 'touch') {
            return;
        }
        const startPosition = this.position === 'right' ? this.getWindowWidth() - (evt.center.x + evt.distance)
            : evt.center.x - evt.distance;

        // cache width during animation, flag to allow further handling
        if (this.isOpen || (startPosition < this.maxEdgeZone)) {
            this._panning = true;
            this._panStartWidth = this.getExpectedWidth(!this.isOpen);
            this._panLimit = this.getExpectedWidth(this.isOpen);

            this.renderer.addClass(this.overlay, 'panning');
            this.renderer.addClass(this.drawer, 'panning');
        }
    };

    private pan = (evt: HammerInput) => {
        // TODO: input.deltaX = prevDelta.x + (center.x - offset.x);
        // get actual delta (not total session one) from event?
        // pan WILL also fire after a full swipe, only resize on flag
        if (!this._panning) {
            return;
        }
        const right: boolean = this.position === 'right';
        // when on the right use inverse of deltaX
        const deltaX = right ? -evt.deltaX : evt.deltaX;
        let newX;
        let percent;
        const visibleWidth = this._panStartWidth + deltaX;

        if (this.isOpen && deltaX < 0) {
            // when visibleWidth hits limit - stop animating
            if (visibleWidth <= this._panLimit) {
                return;
            }

            if (this.hasAnimateWidth) {
                percent = (visibleWidth - this._panLimit) / (this._panStartWidth - this._panLimit);
                newX = visibleWidth;
            } else {
                percent = visibleWidth / this._panStartWidth;
                newX = evt.deltaX;
            }
            this.setXSize(newX, percent.toPrecision(2));

        } else if (!this.isOpen && deltaX > 0) {
            // when visibleWidth hits limit - stop animating
            if (visibleWidth >= this._panLimit) {
                return;
            }

            if (this.hasAnimateWidth) {
                percent = (visibleWidth - this._panStartWidth) / (this._panLimit - this._panStartWidth);
                newX = visibleWidth;
            } else {
                percent = visibleWidth / this._panLimit;
                newX = (this._panLimit - visibleWidth) * (right ? 1 : -1);
            }
            this.setXSize(newX, percent.toPrecision(2));
        }
    };

    private panEnd = (evt: HammerInput) => {
        if (this._panning) {
            const deltaX = this.position === 'right' ? -evt.deltaX : evt.deltaX;
            const visibleWidth: number = this._panStartWidth + deltaX;
            this.resetPan();

            // check if pan brought the drawer to 50%
            if (this.isOpen && visibleWidth <= this._panStartWidth / 2) {
                this.close();
            } else if (!this.isOpen && visibleWidth >= this._panLimit / 2) {
                this.open();
            }
            this._panStartWidth = null;
        }
    };

    private resetPan() {
        this._panning = false;
        /* styles fail to apply when set on parent due to extra attributes, prob ng bug */
        /* styles fail to apply when set on parent due to extra attributes, prob ng bug */
        this.renderer.removeClass(this.overlay, 'panning');
        this.renderer.removeClass(this.drawer, 'panning');
        this.setXSize(0, '');
    }

    /**
     * Sets the absolute position or width in case the drawer doesn't change position.
     *
     * @param x the number pixels to translate on the X axis or the width to set. 0 width will clear the style instead.
     * @param opacity optional value to apply to the overlay
     */
    private setXSize(x: number, opacity?: string) {
        // Angular polyfills patches window.requestAnimationFrame, but switch to DomAdapter API (TODO)
        window.requestAnimationFrame(() => {
            if (this.hasAnimateWidth) {
                this.renderer.setStyle(this.drawer, 'width', x ? Math.abs(x) + 'px' : '');
            } else {
                this.renderer.setStyle(this.drawer, 'transform', x ? 'translate3d(' + x + 'px,0,0)' : '');
                this.renderer.setStyle(this.drawer, '-webkit-transform', x ? 'translate3d(' + x + 'px,0,0)' : '');
            }
            if (opacity !== undefined) {
                this.renderer.setStyle(this.overlay, 'opacity', opacity);
            }
        });
    }

    private toggleOpenedEvent = () => {
        this.elementRef.nativeElement.removeEventListener('transitionend', this.toggleOpenedEvent, false);
        this.opened.emit();
    };

    private toggleClosedEvent = () => {
        this.elementRef.nativeElement.removeEventListener('transitionend', this.toggleClosedEvent, false);
        this.closed.emit();
    };
}

IgniteUI / igniteui-angular / 13331632524

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