3bcba8a570
This is a load-bearing change to avoid duplicate licenses in closure-compiled bundles. See https://github.com/angular/tsickle/issues/332
17 lines
495 B
TypeScript
17 lines
495 B
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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/**
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* Determine if the argument is shaped like a Promise
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*/
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export function isPromise(obj: any): obj is Promise<any> {
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// allow any Promise/A+ compliant thenable.
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// It's up to the caller to ensure that obj.then conforms to the spec
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return !!obj && typeof obj.then === 'function';
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}
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