define main and module

.github/workflows/build.yml

@@ -1411,6 +1411,10 @@ jobs:
           key: ${{ needs.job_build.outputs.dependency_cache_key }}
           enableCrossOsArchive: true
 
+      - name: Increase yarn network timeout on Windows
+        if: contains(matrix.os, 'windows')
+        run: yarn config set network-timeout 600000 -g
+
       - name: Install dependencies
         env:
           SKIP_PLAYWRIGHT_BROWSER_INSTALL: "1"
@@ -1421,10 +1425,6 @@ jobs:
         run: |
           git config --global --add safe.directory "*"
 
-      - name: Increase yarn network timeout on Windows
-        if: contains(matrix.os, 'windows')
-        run: yarn config set network-timeout 600000 -g
-
       - name: Setup python
         uses: actions/setup-python@v5
         if: ${{ !contains(matrix.container, 'alpine') }}

dev-packages/e2e-tests/test-applications/node-profiling/index.mjs

@@ -1,14 +1,15 @@
 // This tests asserts that @sentr/profiling-node is not patching globalThis values, which
 // breaks our runtime detection and can break instrumentation
 // https://github.com/getsentry/sentry-javascript/issues/14525#issuecomment-2511208064
+console.log('🧵 Starting ESM test');
 
 function assertUnpatechedRequire() {
-  if (typeof globalThis.require !== 'undefined') {
+  if (typeof require !== 'undefined') {
     // Test that globalThis.require is not defined by any side effects of the profiling
     // https://github.com/getsentry/sentry-javascript/issues/13662
     throw new Error(
       `globalThis.require should not be defined, check that profiling integration is not defining it, received: ` +
-        typeof globalThis.require,
+        typeof require,
     );
   }
 }

packages/profiling-node/package.json

@@ -7,6 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "main": "lib/cjs/index.js",
+  "module": "lib/esm/index.js",
   "types": "lib/types/index.d.ts",
   "exports": {
     "./package.json": "./package.json",