fix: check process is defined (#5449)

jhefferman-sfdc · web-flow · commit a5eaf38c5d32 · 2025-08-08T10:16:46.000-06:00
diff --git a/packages/@lwc/ssr-client-utils/src/index.ts b/packages/@lwc/ssr-client-utils/src/index.ts
@@ -62,6 +62,6 @@ export function registerLwcStyleComponent() {
 }
 
 // Only used in LWC's Karma tests
-if (process.env.NODE_ENV === 'test-karma-lwc') {
+if (typeof process !== 'undefined' && process?.env?.NODE_ENV === 'test-karma-lwc') {
     (window as any).__lwcClearStylesheetCache = () => stylesheetCache.clear();
 }

Original file line number	Diff line number	Diff line change
`@@ -62,6 +62,6 @@ export function registerLwcStyleComponent() {`
`62`	`62`	`}`
`63`	`63`
`64`	`64`	`// Only used in LWC's Karma tests`
`65`		`-if (process.env.NODE_ENV === 'test-karma-lwc') {`
	`65`	`+if (typeof process !== 'undefined' && process?.env?.NODE_ENV === 'test-karma-lwc') {`
`66`	`66`	`(window as any).__lwcClearStylesheetCache = () => stylesheetCache.clear();`
`67`	`67`	`}`