From 4de1e44a41765234b19e6a76ccdffdabb9f07862 Mon Sep 17 00:00:00 2001
From: Ruslan Lesiutin <rdlesyutin@gmail.com>
Date: Wed, 8 Nov 2023 10:52:20 +0000
Subject: [PATCH] refactor[ci/build]: dont generate sourcemaps for
 BROWSER_SCRIPT bundles

---
 scripts/rollup/build.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/rollup/build.js b/scripts/rollup/build.js
index 0851ea3b0444..5f14625b2287 100644
--- a/scripts/rollup/build.js
+++ b/scripts/rollup/build.js
@@ -406,6 +406,10 @@ function getPlugins(
     // UMD builds are rarely used and not worth having sourcemaps.
     const needsSourcemaps =
       needsMinifiedByClosure &&
+      // This will only exclude `unstable_server-external-runtime.js` artifact
+      // To start generating sourcemaps for it, we should stop manually copying it to `facebook-www`
+      // and force `react-dom` to include .map files in npm-package at the root level
+      bundleType !== BROWSER_SCRIPT &&
       !isUMDBundle &&
       !sourcemapPackageExcludes.includes(entry) &&
       !shouldStayReadable;