Disable AsyncLocalStorage check in browser builds

facebook · Feb 6, 2023 · 0f29a5b · 0f29a5b
1 parent d18a93b
commit 0f29a5b
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Showing 2 changed files with 2 additions and 6 deletions.
diff --git a/packages/react-server/src/ReactServerStreamConfigBrowser.js b/packages/react-server/src/ReactServerStreamConfigBrowser.js
@@ -21,11 +21,9 @@ export function flushBuffered(destination: Destination) {
   // transform streams. https://github.com/whatwg/streams/issues/960
 }
 
-// For now we support AsyncLocalStorage as a global for the "browser" builds
-// TODO: Move this to some special WinterCG build.
-export const supportsRequestStorage = typeof AsyncLocalStorage === 'function';
+export const supportsRequestStorage = false;
 export const requestStorage: AsyncLocalStorage<Map<Function, mixed>> =
-  supportsRequestStorage ? new AsyncLocalStorage() : (null: any);
+  (null: any);
 
 const VIEW_SIZE = 512;
 let currentView = null;

diff --git a/packages/react/src/__tests__/ReactFetch-test.js b/packages/react/src/__tests__/ReactFetch-test.js
@@ -17,8 +17,6 @@ global.TextDecoder = require('util').TextDecoder;
 global.Headers = require('node-fetch').Headers;
 global.Request = require('node-fetch').Request;
 global.Response = require('node-fetch').Response;
-// Patch for Browser environments to be able to polyfill AsyncLocalStorage
-global.AsyncLocalStorage = require('async_hooks').AsyncLocalStorage;
 
 let fetchCount = 0;
 async function fetchMock(resource, options) {