source: trip-planner-front/node_modules/rxjs/src/internal/util/isPromise.ts@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1/**
2 * Tests to see if the object is an ES2015 (ES6) Promise
3 * @see {@link https://www.ecma-international.org/ecma-262/6.0/#sec-promise-objects}
4 * @param value the object to test
5 */
6export function isPromise(value: any): value is PromiseLike<any> {
7 return !!value && typeof (<any>value).subscribe !== 'function' && typeof (value as any).then === 'function';
8}
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