From d22225bd1bf7a13d72df713f04f5ed757ea25132 Mon Sep 17 00:00:00 2001
From: Kento Moriwaki <kentomoriwaki@gmail.com>
Date: Wed, 1 Apr 2026 12:00:00 +0800
Subject: [PATCH] Enable preserveSource (#1309)

---
 packages/rrweb/rollup.config.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/rrweb/rollup.config.js b/packages/rrweb/rollup.config.js
index 4afb1ace..998433bd 100644
--- a/packages/rrweb/rollup.config.js
+++ b/packages/rrweb/rollup.config.js
@@ -125,6 +125,7 @@ function getPlugins(options = {}) {
     webWorkerLoader({
       targetPlatform: 'browser',
       inline: true,
+      preserveSource: true,
       sourceMap,
     }),
     esbuild({
@@ -144,7 +145,11 @@ for (const c of baseConfigs) {
     resolve({ browser: true }),
 
     // supports bundling `web-worker:..filename`
-    webWorkerLoader({ targetPlatform: 'browser' }),
+    webWorkerLoader({
+      targetPlatform: 'browser',
+      inline: true,
+      preserveSource: true,
+    }),
 
     typescript(),
   ];