9 lines
365 B
Plaintext
9 lines
365 B
Plaintext
/**
|
|
* 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';
|
|
}
|