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Replace the bundled ReadableStream polyfill with the web-streams-polyfill npm package (issue 11157)

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Compared to the recently replaced `URL` polyfill, the new `ReadableStream` polyfill isn't being exported globally for two reasons:
 - We're currently checking for the existence of a global `ReadableStream` implementation when determining if the Fetch API will be used; please see `isFetchSupported` in the src/display/display_utils.js file.
 - Given that it's much newer functionality (compared to `URL`) and that not all browsers may implement all parts of the specification yet, not exposing the `ReadableStream` globally seems safer for now.
This commit is contained in:
Jonas Jenwald 2019-09-23 21:55:55 +02:00
parent 9596d702a9
commit 0ee373f9cc
10 changed files with 15 additions and 4014 deletions
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2
src/shared/streams_polyfill.js
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@ -50,6 +50,6 @@ if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('MOZCENTRAL')) {
exports.ReadableStream = DummyReadableStream;
} else {
exports.ReadableStream =
require('../../external/streams/streams-lib').ReadableStream;
require('web-streams-polyfill/dist/ponyfill').ReadableStream;
}
}