@yoroi/common/lib/module/queue/queue-task.js

The Common package of Yoroi SDK

import { App } from '@yoroi/types';
import { freeze } from 'immer';
import { Subject, from, of } from 'rxjs';
import { catchError, concatMap } from 'rxjs/operators';
export const queueTaskMaker = () => {
  const queueSubject = new Subject();
  const subscription = queueSubject.pipe(concatMap(task => from(task()).pipe(catchError(() => of(App.Errors.InvalidState))))).subscribe();
  const enqueue = task => {
    queueSubject.next(task);
  };
  const destroy = () => {
    subscription.unsubscribe();
    queueSubject.complete();
  };
  return freeze({
    enqueue,
    destroy
  }, true);
};
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