abort-controller-x-rxjs/es/firstValueFrom.js

Abortable helpers for RxJS

import { first } from 'rxjs/operators';
import { lastValueFrom } from './lastValueFrom';
/**
 * Like original `firstValueFrom` from RxJS, but accepts `AbortSignal`. When
 * that signal is aborted, unsubscribes from the observable and throws
 * `AbortError`.
 */
export function firstValueFrom(signal, source, config) {
    return typeof config === 'object'
        ? lastValueFrom(signal, source.pipe(first()), config)
        : lastValueFrom(signal, source.pipe(first()));
}
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