From edab21ebab3daa3cb0ebd5f6fca60c17098df242 Mon Sep 17 00:00:00 2001
From: Andreu Botella <abb@randomunok.com>
Date: Wed, 23 Jun 2021 16:00:23 +0200
Subject: fix(fetch): proxy body for requests created from other requests
 (#11093)

Additionally, if the existing `Request`'s body is disturbed, the Request creation
should fail.

This change also updates the step numbers in the Request constructor to match
whatwg/fetch#1249.
---
 extensions/web/06_streams.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'extensions/web/06_streams.js')

diff --git a/extensions/web/06_streams.js b/extensions/web/06_streams.js
index be5eca6ba..127436d43 100644
--- a/extensions/web/06_streams.js
+++ b/extensions/web/06_streams.js
@@ -4246,6 +4246,13 @@
 
   webidl.configurePrototype(WritableStreamDefaultController);
 
+  /**
+   * @param {ReadableStream} stream
+   */
+  function createProxy(stream) {
+    return stream.pipeThrough(new TransformStream());
+  }
+
   webidl.converters.ReadableStream = webidl
     .createInterfaceConverter("ReadableStream", ReadableStream);
   webidl.converters.WritableStream = webidl
@@ -4403,6 +4410,7 @@
     // Non-Public
     isReadableStreamDisturbed,
     errorReadableStream,
+    createProxy,
     // Exposed in global runtime scope
     ByteLengthQueuingStrategy,
     CountQueuingStrategy,
-- 
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