sinch-rtc/npm/src/session/fsm/CancellationToken.js

RTC JavaScript/Web SDK

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CancellationTokenSource = exports.CancellationError = void 0;
class CancellationError extends Error {
    constructor() {
        super(...arguments);
        this.name = "CancellationError";
        this.message = "The operation was cancelled";
    }
}
exports.CancellationError = CancellationError;
class CancellationTokenSource {
    constructor() {
        this.subscribers = new Array();
    }
    subscribe(subscriber) {
        if (this.cancellation) {
            subscriber(this.cancellation);
        }
        else {
            this.subscribers.push(subscriber);
        }
        return () => {
            this.subscribers = this.subscribers.filter((s) => s !== subscriber);
        };
    }
    cancel(err = new CancellationError()) {
        this.cancellation = err;
        this.subscribers.splice(0).forEach((subscriber) => subscriber(err));
    }
}
exports.CancellationTokenSource = CancellationTokenSource;
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