@react-mvi/testing/lib/esnext/interrupter.js

Test module for React MVI.

/**
 * @fileoverview
 * @author Taketoshi Aono
 */
import { Subject, Observable } from 'rxjs';
import { filter } from 'rxjs/operators';
export class Interrupter {
    constructor(provisioning) {
        this.provisioning = provisioning;
        this.observable = new Subject();
        this.provisioning.subscribe(state => {
            this.observable.next(state);
        });
    }
    toObservable({ disposeWhenUnsubscribe } = {
        disposeWhenUnsubscribe: true,
    }) {
        return Observable.create(subscriber => {
            const sub = this.observable.subscribe(v => subscriber.next(v));
            return () => {
                sub.unsubscribe();
                if (disposeWhenUnsubscribe) {
                    this.provisioning.dispose();
                }
            };
        });
    }
    send(type, payload = {}) {
        this.provisioning.getSubject().notify({ type, payload });
    }
    subscribe(callback, runInitial = false) {
        return this.provisioning.subscribe(callback, runInitial);
    }
    dispose() {
        this.provisioning.dispose();
    }
    wait(type) {
        return this.provisioning
            .getSubject()
            .observable.pipe(filter(args => args.type === type))
            .toPromise();
    }
}