13 lines
404 B
TypeScript
13 lines
404 B
TypeScript
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/**
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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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export function supportFeature(Observable: any, method: string) {
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const func = function() { return !!Observable.prototype[method]; };
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(func as any).message = `Observable.${method} not support`;
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}
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