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import { AsyncScheduler } from './AsyncScheduler';
export class AnimationFrameScheduler extends AsyncScheduler {
flush(action) {
this._active = true;
let flushId;
if (action) {
flushId = action.id;
}
else {
flushId = this._scheduled;
this._scheduled = undefined;
}
const { actions } = this;
let error;
action = action || actions.shift();
do {
if ((error = action.execute(action.state, action.delay))) {
break;
}
} while ((action = actions[0]) && action.id === flushId && actions.shift());
this._active = false;
if (error) {
while ((action = actions[0]) && action.id === flushId && actions.shift()) {
action.unsubscribe();
}
throw error;
}
}
}
//# sourceMappingURL=AnimationFrameScheduler.js.map
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