boris/node_modules/rxjs/dist/esm/internal/scheduler/AnimationFrameAction.js

import { AsyncAction } from './AsyncAction';
import { animationFrameProvider } from './animationFrameProvider';
export class AnimationFrameAction extends AsyncAction {
    constructor(scheduler, work) {
        super(scheduler, work);
        this.scheduler = scheduler;
        this.work = work;
    }
    requestAsyncId(scheduler, id, delay = 0) {
        if (delay !== null && delay > 0) {
            return super.requestAsyncId(scheduler, id, delay);
        }
        scheduler.actions.push(this);
        return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));
    }
    recycleAsyncId(scheduler, id, delay = 0) {
        var _a;
        if (delay != null ? delay > 0 : this.delay > 0) {
            return super.recycleAsyncId(scheduler, id, delay);
        }
        const { actions } = scheduler;
        if (id != null && id === scheduler._scheduled && ((_a = actions[actions.length - 1]) === null || _a === void 0 ? void 0 : _a.id) !== id) {
            animationFrameProvider.cancelAnimationFrame(id);
            scheduler._scheduled = undefined;
        }
        return undefined;
    }
}
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