/* Copyright 2019 Google LLC Use of this source code is governed by an MIT-style license that can be found in the LICENSE file or at https://opensource.org/licenses/MIT. */ import '../_version.js'; let supportStatus; /** * A utility function that determines whether the current browser supports * constructing a new `Response` from a `response.body` stream. * * @return {boolean} `true`, if the current browser can successfully * construct a `Response` from a `response.body` stream, `false` otherwise. * * @private */ function canConstructResponseFromBodyStream() { if (supportStatus === undefined) { const testResponse = new Response(''); if ('body' in testResponse) { try { new Response(testResponse.body); supportStatus = true; } catch (error) { supportStatus = false; } } supportStatus = false; } return supportStatus; } export { canConstructResponseFromBodyStream };