Bug 258848

Summary:	Use the URL of the referrer module as the HTTP referrer for import requests
Product:	WebKit	Reporter:	nicolo.ribaudo
Component:	JavaScriptCore	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	cyb.ai.815, mark.lam, webkit-bug-importer, ysuzuki
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description nicolo.ribaudo 2023-07-04 00:58:37 PDT

Safari always uses the document URL as the HTTP referrer when loading modules. HTML defines the referrer for imported modules as the URL of the module that performs the import, both for static imports and (since https://github.com/whatwg/html/pull/9407) for dynamic imports.

WPT test: https://github.com/web-platform-tests/wpt/blob/66166fa9af2d53656da3f04a0f5e114e740a00c7/html/semantics/scripting-1/the-script-element/module/module-import-referrer.html

Comment 1 Radar WebKit Bug Importer 2023-07-11 00:59:15 PDT

<rdar://problem/112064543>