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node_modules/workbox-core/_private/canConstructReadableStream.js
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1lostsun
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05 май 2025, 11:35
05 май 2025, 11:35
fe8f535
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/* 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 [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/ReadableStream) * object. * * @return {boolean} `true`, if the current browser can successfully * construct a `ReadableStream`, `false` otherwise. * * @private */ function canConstructReadableStream() { if (supportStatus === undefined) { // See https://github.com/GoogleChrome/workbox/issues/1473 try { new ReadableStream({ start() { } }); supportStatus = true; } catch (error) { supportStatus = false; } } return supportStatus; } export { canConstructReadableStream };