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• .. (вверх)
• [DIR] ..
• [FILE] ArgumentOutOfRangeError.ts
• [FILE] EmptyError.ts
• [FILE] Immediate.ts
• [FILE] ObjectUnsubscribedError.ts
• [FILE] TimeoutError.ts
• [FILE] UnsubscriptionError.ts
• [FILE] applyMixins.ts
• [FILE] canReportError.ts
• [FILE] errorObject.ts
• [FILE] hostReportError.ts
• [FILE] identity.ts
• [FILE] isArray.ts
• [FILE] isArrayLike.ts
• [FILE] isDate.ts
• [FILE] isFunction.ts
• [FILE] isInteropObservable.ts
• [FILE] isIterable.ts
• [FILE] isNumeric.ts
• [FILE] isObject.ts
• [FILE] isObservable.ts
• [FILE] isPromise.ts
• [FILE] isScheduler.ts
• [FILE] noop.ts
• [FILE] not.ts
• [FILE] pipe.ts
• [FILE] root.ts
• [FILE] subscribeTo.ts
• [FILE] subscribeToArray.ts
• [FILE] subscribeToIterable.ts
• [FILE] subscribeToObservable.ts
• [FILE] subscribeToPromise.ts
• [FILE] subscribeToResult.ts
• [FILE] toSubscriber.ts
• [FILE] tryCatch.ts

Просмотр файла: isPromise.ts

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

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