21 lines
510 B
JavaScript
21 lines
510 B
JavaScript
|
'use strict';
|
||
|
|
||
|
Object.defineProperty(exports, '__esModule', {
|
||
|
value: true
|
||
|
});
|
||
|
exports.default = isPromise;
|
||
|
/**
|
||
|
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
|
||
|
*
|
||
|
* This source code is licensed under the MIT license found in the
|
||
|
* LICENSE file in the root directory of this source tree.
|
||
|
*/
|
||
|
|
||
|
function isPromise(candidate) {
|
||
|
return (
|
||
|
candidate != null &&
|
||
|
(typeof candidate === 'object' || typeof candidate === 'function') &&
|
||
|
typeof candidate.then === 'function'
|
||
|
);
|
||
|
}
|