import { Observer } from './types'; import { config } from './config'; import { hostReportError } from './util/hostReportError'; export const empty: Observer = { closed: true, next(value: any): void { /* noop */}, error(err: any): void { if (config.useDeprecatedSynchronousErrorHandling) { throw err; } else { hostReportError(err); } }, complete(): void { /*noop*/ } };