From 9d30110644ec29dbfb23cf27f15df19a5ca157b4 Mon Sep 17 00:00:00 2001
From: Lukas Stracke <lukas.stracke@sentry.io>
Date: Wed, 18 Sep 2024 12:20:46 +0200
Subject: [PATCH 1/4] fix(browser): Try multiple options for
 `lazyLoagIntegration` script parent element lookup

---
 packages/browser/src/utils/lazyLoadIntegration.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/browser/src/utils/lazyLoadIntegration.ts b/packages/browser/src/utils/lazyLoadIntegration.ts
index 168d1fd1013b..582010e30aa2 100644
--- a/packages/browser/src/utils/lazyLoadIntegration.ts
+++ b/packages/browser/src/utils/lazyLoadIntegration.ts
@@ -1,5 +1,6 @@
 import { SDK_VERSION, getClient } from '@sentry/core';
 import type { IntegrationFn } from '@sentry/types';
+import { logger } from '@sentry/utils';
 import type { BrowserClient } from '../client';
 import { WINDOW } from '../helpers';
 
@@ -68,7 +69,14 @@ export async function lazyLoadIntegration(
     script.addEventListener('error', reject);
   });
 
-  WINDOW.document.body.appendChild(script);
+  const currentScript = WINDOW.document.currentScript;
+  const parent = (currentScript && currentScript.parentElement) || WINDOW.document.body || WINDOW.document.head;
+
+  if (!parent) {
+    throw new Error(`Could not find parent element to insert lazy-loaded ${name} script`);
+  }
+
+  parent.appendChild(script);
 
   try {
     await waitForLoad;

From 77d79a1715641c9468fdff9541ebb30aa3148b33 Mon Sep 17 00:00:00 2001
From: Lukas Stracke <lukas.stracke@sentry.io>
Date: Wed, 18 Sep 2024 12:28:06 +0200
Subject: [PATCH 2/4] formatting

---
 packages/browser/src/utils/lazyLoadIntegration.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/browser/src/utils/lazyLoadIntegration.ts b/packages/browser/src/utils/lazyLoadIntegration.ts
index 582010e30aa2..275d5055985e 100644
--- a/packages/browser/src/utils/lazyLoadIntegration.ts
+++ b/packages/browser/src/utils/lazyLoadIntegration.ts
@@ -1,6 +1,5 @@
 import { SDK_VERSION, getClient } from '@sentry/core';
 import type { IntegrationFn } from '@sentry/types';
-import { logger } from '@sentry/utils';
 import type { BrowserClient } from '../client';
 import { WINDOW } from '../helpers';
 

From 03d5c8f558e2c42d5913af5b562efb4fd70571fa Mon Sep 17 00:00:00 2001
From: Lukas Stracke <lukas.stracke@sentry.io>
Date: Wed, 18 Sep 2024 12:33:24 +0200
Subject: [PATCH 3/4] don't throw

---
 packages/browser/src/utils/lazyLoadIntegration.ts | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/browser/src/utils/lazyLoadIntegration.ts b/packages/browser/src/utils/lazyLoadIntegration.ts
index 275d5055985e..c60b8733a66c 100644
--- a/packages/browser/src/utils/lazyLoadIntegration.ts
+++ b/packages/browser/src/utils/lazyLoadIntegration.ts
@@ -1,5 +1,6 @@
 import { SDK_VERSION, getClient } from '@sentry/core';
 import type { IntegrationFn } from '@sentry/types';
+import { logger } from '@sentry/utils';
 import type { BrowserClient } from '../client';
 import { WINDOW } from '../helpers';
 
@@ -71,12 +72,12 @@ export async function lazyLoadIntegration(
   const currentScript = WINDOW.document.currentScript;
   const parent = (currentScript && currentScript.parentElement) || WINDOW.document.body || WINDOW.document.head;
 
-  if (!parent) {
-    throw new Error(`Could not find parent element to insert lazy-loaded ${name} script`);
+  if (parent) {
+    parent.appendChild(script);
+  } else {
+    logger.error(`Could not find parent element to insert lazy-loaded ${name} script`);
   }
 
-  parent.appendChild(script);
-
   try {
     await waitForLoad;
   } catch {

From 0d1adc9fd1f4b1e5936450bc5bbe5e7c82105144 Mon Sep 17 00:00:00 2001
From: Lukas Stracke <lukas.stracke@sentry.io>
Date: Wed, 18 Sep 2024 13:55:37 +0200
Subject: [PATCH 4/4] code review suggestions

---
 packages/browser/src/utils/lazyLoadIntegration.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/browser/src/utils/lazyLoadIntegration.ts b/packages/browser/src/utils/lazyLoadIntegration.ts
index c60b8733a66c..82260ae9724f 100644
--- a/packages/browser/src/utils/lazyLoadIntegration.ts
+++ b/packages/browser/src/utils/lazyLoadIntegration.ts
@@ -1,6 +1,5 @@
 import { SDK_VERSION, getClient } from '@sentry/core';
 import type { IntegrationFn } from '@sentry/types';
-import { logger } from '@sentry/utils';
 import type { BrowserClient } from '../client';
 import { WINDOW } from '../helpers';
 
@@ -70,12 +69,12 @@ export async function lazyLoadIntegration(
   });
 
   const currentScript = WINDOW.document.currentScript;
-  const parent = (currentScript && currentScript.parentElement) || WINDOW.document.body || WINDOW.document.head;
+  const parent = WINDOW.document.body || WINDOW.document.head || (currentScript && currentScript.parentElement);
 
   if (parent) {
     parent.appendChild(script);
   } else {
-    logger.error(`Could not find parent element to insert lazy-loaded ${name} script`);
+    throw new Error(`Could not find parent element to insert lazy-loaded ${name} script`);
   }
 
   try {