🐛 [RUM-11614][URL polyfill] Handle null iframe.contentWindow (#4361)

bcaudan · web-flow · commit 975c4550c608 · 2026-03-23T14:30:19.000+01:00
diff --git a/packages/core/src/tools/utils/urlPolyfill.ts b/packages/core/src/tools/utils/urlPolyfill.ts
@@ -42,7 +42,7 @@ export function getPristineWindow() {
       iframe = document.createElement('iframe')
       iframe.style.display = 'none'
       document.body.appendChild(iframe)
-      pristineWindow = iframe.contentWindow as Window & typeof globalThis
+      pristineWindow = (iframe.contentWindow ?? globalObject) as Window & typeof globalThis
     } catch {
       pristineWindow = globalObject as unknown as Window & typeof globalThis
     }

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,7 @@ export function getPristineWindow() {`
`42`	`42`	`iframe = document.createElement('iframe')`
`43`	`43`	`iframe.style.display = 'none'`
`44`	`44`	`document.body.appendChild(iframe)`
`45`		`- pristineWindow = iframe.contentWindow as Window & typeof globalThis`
	`45`	`+ pristineWindow = (iframe.contentWindow ?? globalObject) as Window & typeof globalThis`
`46`	`46`	`} catch {`
`47`	`47`	`pristineWindow = globalObject as unknown as Window & typeof globalThis`
`48`	`48`	`}`