@rxjs-stuff/marbles/src/log-subscriptions.js

A set of plugins that provide a natural feeling integration with Mocha and Chai for RxJS "marbles" testing.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.logSubscriptions = exports.wrapLogSubscriptions = exports.isSubscriptionLoggedObservable = exports.SubscriptionLog = void 0;
const rxjs_1 = require("rxjs");
class SubscriptionLog {
    constructor(subscribedFrame, unsubscribedFrame = Infinity) {
        this.subscribedFrame = subscribedFrame;
        this.unsubscribedFrame = unsubscribedFrame;
    }
}
exports.SubscriptionLog = SubscriptionLog;
function isSubscriptionLoggedObservable(obj) {
    return (obj === null || obj === void 0 ? void 0 : obj.hasOwnProperty('subscriptions')) && Array.isArray(obj.subscriptions) && rxjs_1.isObservable(obj);
}
exports.isSubscriptionLoggedObservable = isSubscriptionLoggedObservable;
function wrapLogSubscriptions(scheduler, source) {
    if (isSubscriptionLoggedObservable(source)) {
        return source;
    }
    return logSubscriptions(scheduler)(source);
}
exports.wrapLogSubscriptions = wrapLogSubscriptions;
function logSubscriptions(scheduler) {
    return (source) => new LogSubscriptionsOperator(scheduler).apply(source);
}
exports.logSubscriptions = logSubscriptions;
class LogSubscriptionsOperator {
    constructor(scheduler) {
        this.scheduler = scheduler;
    }
    apply(source) {
        if (isSubscriptionLoggedObservable(source)) {
            return source;
        }
        return Object.assign(source.lift(this), {
            subscriptions: this.subscriptions,
        });
    }
    call(subscriber, source) {
        const logEntry = new SubscriptionLog(this.scheduler.frame);
        this.subscriptions.push(logEntry);
        return source.subscribe(new LogSubscriptionsSubscriber(this.scheduler, subscriber, logEntry));
    }
}
class LogSubscriptionsSubscriber extends rxjs_1.Subscriber {
    constructor(scheduler, destination, logEntry) {
        super(destination);
        this.scheduler = scheduler;
        this.logEntry = logEntry;
    }
    unsubscribe() {
        super.unsubscribe();
        this.logEntry.unsubscribedFrame = this.scheduler.frame;
    }
}
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