@iexec/iexec-oracle-factory-wrapper/dist/utils/reactive.js

A wrapper for creating API based oracles for ethereum on the top of iExec

export class SafeObserver {
    destination;
    unsub;
    isUnsubscribed = false;
    constructor(destination) {
        this.destination = destination;
    }
    next(value) {
        if (!this.isUnsubscribed && this.destination.next) {
            try {
                this.destination.next(value);
            }
            catch (err) {
                this.unsubscribe();
                throw err;
            }
        }
    }
    error(err) {
        if (!this.isUnsubscribed && this.destination.error) {
            try {
                this.destination.error(err);
            }
            catch (e2) {
                this.unsubscribe();
                throw e2;
            }
            this.unsubscribe();
        }
    }
    complete() {
        if (!this.isUnsubscribed && this.destination.complete) {
            try {
                this.destination.complete();
            }
            catch (err) {
                this.unsubscribe();
                throw err;
            }
            this.unsubscribe();
        }
    }
    unsubscribe() {
        this.isUnsubscribed = true;
        if (this.unsub) {
            this.unsub();
        }
    }
}
export class Observable {
    _subscribe;
    constructor(_subscribe) {
        this._subscribe = _subscribe;
    }
    subscribe(observerOrNext, error, complete) {
        const safeObserver = new SafeObserver(observerOrNext);
        if (typeof observerOrNext === 'function') {
            safeObserver.destination = {
                next: observerOrNext,
                error: error,
                complete: complete,
            };
        }
        else if (typeof observerOrNext === 'object') {
            safeObserver.destination = observerOrNext;
        }
        return this._subscribe(safeObserver);
    }
}
//# sourceMappingURL=reactive.js.map