isPromise
The isPromise function checks if the provided value is a Promise.
Syntax
typescript
isPromise<T = any>(value: any): value is Promise<T>;Parameters
| Parameter | Type | Description |
|---|---|---|
value | any | Value to be checked |
Returns
| Type | Description |
|---|---|
boolean | True if it is a Promise |
Examples
typescript
isPromise(Promise.resolve(123)); // => true
isPromise(123); // => falseNotes
- Useful for validation before using then/catch/finally.