From ea2a535ceea309bf65c4e674820c132d1b241a61 Mon Sep 17 00:00:00 2001
From: Sebastian Markbage <sebastian@calyptus.eu>
Date: Wed, 17 May 2023 16:56:43 -0400
Subject: [PATCH] Remove XHR support from Flight

---
 fixtures/flight-browser/index.html            |  6 -----
 .../src/ReactFlightDOMClientBrowser.js        | 27 -------------------
 2 files changed, 33 deletions(-)

diff --git a/fixtures/flight-browser/index.html b/fixtures/flight-browser/index.html
index f8d93ae07872c..0ffa3b7e16597 100644
--- a/fixtures/flight-browser/index.html
+++ b/fixtures/flight-browser/index.html
@@ -73,12 +73,6 @@ <h1>Flight Example</h1>
         let data = ReactServerDOMClient.createFromFetch(
           fetch(url)
         );
-        // The client also supports XHR streaming.
-        // var xhr = new XMLHttpRequest();
-        // xhr.open('GET', url);
-        // let data = ReactServerDOMClient.createFromXHR(xhr);
-        // xhr.send();
-
         renderResult(data);
       }
 
diff --git a/packages/react-server-dom-webpack/src/ReactFlightDOMClientBrowser.js b/packages/react-server-dom-webpack/src/ReactFlightDOMClientBrowser.js
index c835d0b81d7ff..9561a9b92e896 100644
--- a/packages/react-server-dom-webpack/src/ReactFlightDOMClientBrowser.js
+++ b/packages/react-server-dom-webpack/src/ReactFlightDOMClientBrowser.js
@@ -17,7 +17,6 @@ import {
   createResponse,
   getRoot,
   reportGlobalError,
-  processStringChunk,
   processBinaryChunk,
   close,
 } from 'react-client/src/ReactFlightClientStream';
@@ -92,32 +91,6 @@ function createFromFetch<T>(
   return getRoot(response);
 }
 
-function createFromXHR<T>(
-  request: XMLHttpRequest,
-  options?: Options,
-): Thenable<T> {
-  const response: FlightResponse = createResponseFromOptions(options);
-  let processedLength = 0;
-  function progress(e: ProgressEvent): void {
-    const chunk = request.responseText;
-    processStringChunk(response, chunk, processedLength);
-    processedLength = chunk.length;
-  }
-  function load(e: ProgressEvent): void {
-    progress(e);
-    close(response);
-  }
-  function error(e: ProgressEvent): void {
-    reportGlobalError(response, new TypeError('Network error'));
-  }
-  request.addEventListener('progress', progress);
-  request.addEventListener('load', load);
-  request.addEventListener('error', error);
-  request.addEventListener('abort', error);
-  request.addEventListener('timeout', error);
-  return getRoot(response);
-}
-
 function encodeReply(
   value: ReactServerValue,
 ): Promise<