Merge pull request #43 from pendo-io/mb-fix-error-thrown-stringify-rule

pendo-ops · web-flow · commit 1ee88feed07b · 2025-04-24T15:21:52.000-04:00
prevent error thrown when rule.stylesheet is undefined
diff --git a/packages/rrweb-snapshot/src/utils.ts b/packages/rrweb-snapshot/src/utils.ts
@@ -170,7 +170,7 @@ export function stringifyRule(rule: CSSRule, sheetHref: string | null): string {
     } catch (error) {
       importStringified = rule.cssText;
     }
-    if (rule.styleSheet.href) {
+    if (rule?.styleSheet?.href) {
       // url()s within the imported stylesheet are relative to _that_ sheet's href
       return absolutifyURLs(importStringified, rule.styleSheet.href);
     }

Original file line number	Diff line number	Diff line change
`@@ -170,7 +170,7 @@ export function stringifyRule(rule: CSSRule, sheetHref: string \| null): string {`
`170`	`170`	`} catch (error) {`
`171`	`171`	`importStringified = rule.cssText;`
`172`	`172`	`}`
`173`		`- if (rule.styleSheet.href) {`
	`173`	`+ if (rule?.styleSheet?.href) {`
`174`	`174`	`// url()s within the imported stylesheet are relative to _that_ sheet's href`
`175`	`175`	`return absolutifyURLs(importStringified, rule.styleSheet.href);`
`176`	`176`	`}`