@foblex/flow-animator/esm2020/lib/animate-connection-overlay/animate-connection-overlay.handler.mjs

Animation library for @foblex/flow.

import { animate, style } from '@angular/animations';
import { CreateConnectionOverlayHandler } from '../create-connection-overlay/create-connection-overlay.handler';
import { CreateConnectionOverlayRequest } from '../create-connection-overlay/create-connection-overlay-request';
import { Observable } from 'rxjs';
export class AnimateConnectionOverlayHandler {
    constructor(animationBuilder) {
        this.animationBuilder = animationBuilder;
    }
    handle(request) {
        const overlayElement = new CreateConnectionOverlayHandler().handle(new CreateConnectionOverlayRequest(request.element));
        const length = overlayElement.getTotalLength();
        overlayElement.style.strokeDasharray = length + ' ' + length;
        overlayElement.style.strokeDashoffset = String(length);
        const animation = this.animationBuilder.build([
            style({ strokeDashoffset: length }),
            animate(request.duration + 'ms', style({ strokeDashoffset: 0 }))
        ]);
        const player = animation.create(overlayElement);
        return new Observable((observer) => {
            player.onDone(() => {
                observer.next(overlayElement);
                observer.complete();
            });
            player.play();
        });
    }
}
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