From 65fe01967147af2a8d2e37c4cc5aadb817dcbcf3 Mon Sep 17 00:00:00 2001
From: Krystof Woldrich <krystof.woldrich@sentry.io>
Date: Fri, 4 Apr 2025 10:37:17 +0200
Subject: [PATCH 1/2] fix(webpack5): Ensure all `esm` files have `.mjs` postfix

---
 CHANGELOG.md                             | 4 ++++
 packages/webpack-plugin/rollup.config.js | 1 +
 2 files changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 537e3d19..7634e8f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 
 - "You know what they say ‘Fool me once, strike one, but fool me twice… strike three.’" — Michael Scott
 
+## 3.3.1
+
+- fix(webpack5): All `esm` files must have `.mjs` postfix (#721)
+
 ## 3.3.0
 
 - feat(webpack): Add `@sentry/webpack-plugin/webpack5` export for webpack 5.1+ and compatible environments (#715)
diff --git a/packages/webpack-plugin/rollup.config.js b/packages/webpack-plugin/rollup.config.js
index 3f0be962..f748b6fc 100644
--- a/packages/webpack-plugin/rollup.config.js
+++ b/packages/webpack-plugin/rollup.config.js
@@ -38,6 +38,7 @@ export default {
       exports: "named",
       sourcemap: true,
       entryFileNames: "[name].mjs",
+      chunkFileNames: "[name].mjs",
     },
     {
       dir: "./dist/cjs",

From b106e1dfa056f2215c65c86803f2b83ede2e2d42 Mon Sep 17 00:00:00 2001
From: Krystof Woldrich <krystof.woldrich@sentry.io>
Date: Fri, 4 Apr 2025 10:41:34 +0200
Subject: [PATCH 2/2] remove hash for cjs modules

---
 packages/webpack-plugin/rollup.config.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/webpack-plugin/rollup.config.js b/packages/webpack-plugin/rollup.config.js
index f748b6fc..ea1dc3b6 100644
--- a/packages/webpack-plugin/rollup.config.js
+++ b/packages/webpack-plugin/rollup.config.js
@@ -45,6 +45,8 @@ export default {
       format: "cjs",
       exports: "named",
       sourcemap: true,
+      entryFileNames: "[name].js",
+      chunkFileNames: "[name].js",
     },
   ],
 };