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Fix relative path detection in stylesheet URLs (#1130)

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* Fix relative path detection in stylesheet URLs

* Add a check for www.

* Update packages/rrweb-snapshot/src/snapshot.ts

* Update packages/rrweb-snapshot/src/snapshot.ts

* Create large-ants-prove.md

* Update large-ants-prove.md

---------

Co-authored-by: Justin Halsall <Juice10@users.noreply.github.com>
Co-authored-by: Yun Feng <yun.feng0817@gmail.com>
This commit is contained in:
Prateek Karnal
2026-04-01 12:00:00 +08:00
committed by GitHub
parent f0240ff80c
commit 678ba5b467
2 changed files with 9 additions and 2 deletions
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6
.changeset/large-ants-prove.md Normal file
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@@ -0,0 +1,6 @@
---
'rrweb-snapshot': patch
'rrweb': patch
---
Fix: Make relative path detection in stylesheet URLs to detect more types of URL protocols when inlining stylesheets.

5
packages/rrweb-snapshot/src/snapshot.ts
View File

@@ -71,7 +71,8 @@ let canvasService: HTMLCanvasElement | null;
let canvasCtx: CanvasRenderingContext2D | null;
const URL_IN_CSS_REF = /url\((?:(')([^']*)'|(")(.*?)"|([^)]*))\)/gm;
const RELATIVE_PATH = /^(?!www\.|(?:http|ftp)s?:\/\/|[A-Za-z]:\\|\/\/|#).*/;
const URL_PROTOCOL_MATCH = /^(?:[a-z+]+:)?\/\//i;
const URL_WWW_MATCH = /^www\..*/i;
const DATA_URI = /^(data:)([^,]*),(.*)/i;
export function absoluteToStylesheet(
cssText: string | null,
@@ -92,7 +93,7 @@ export function absoluteToStylesheet(
if (!filePath) {
return origin;
}
if (!RELATIVE_PATH.test(filePath)) {
if (URL_PROTOCOL_MATCH.test(filePath) || URL_WWW_MATCH.test(filePath)) {
return `url(${maybeQuote}${filePath}${maybeQuote})`;
}
if (DATA_URI.test(filePath)) {