fix(ssr): use optional chaining to prevent "undefined is not an object" happening in ssrRewriteStacktrace (#19612)

saintnoodle · web-flow · commit 43097550a1aa · 2025-03-10T14:53:45.000+09:00
diff --git a/packages/vite/src/node/ssr/ssrStacktrace.ts b/packages/vite/src/node/ssr/ssrStacktrace.ts
@@ -52,7 +52,7 @@ export function ssrRewriteStacktrace(
             return input
           }
 
-          const trimmedVarName = varName.trim()
+          const trimmedVarName = varName?.trim()
           const sourceFile = path.resolve(path.dirname(id), pos.source)
           // stacktrace's column is 1-indexed, but sourcemap's one is 0-indexed
           const source = `${sourceFile}:${pos.line}:${pos.column + 1}`

Original file line number	Diff line number	Diff line change
`@@ -52,7 +52,7 @@ export function ssrRewriteStacktrace(`
`52`	`52`	`return input`
`53`	`53`	`}`
`54`	`54`
`55`		`- const trimmedVarName = varName.trim()`
	`55`	`+ const trimmedVarName = varName?.trim()`
`56`	`56`	`const sourceFile = path.resolve(path.dirname(id), pos.source)`
`57`	`57`	`// stacktrace's column is 1-indexed, but sourcemap's one is 0-indexed`
`58`	`58`	const source = `${sourceFile}:${pos.line}:${pos.column + 1}`