Add missing nil check that causes panic in LSP document-highlight (#1758)

ahejlsberg · web-flow · commit 458dd3b14594 · 2025-09-28T20:53:03.000Z
diff --git a/internal/ls/findallreferences.go b/internal/ls/findallreferences.go
@@ -616,7 +616,7 @@ func (l *LanguageService) getReferencedSymbolsForNode(ctx context.Context, posit
 
 	if node.Kind == ast.KindSourceFile {
 		resolvedRef := getReferenceAtPosition(node.AsSourceFile(), position, program)
-		if resolvedRef.file == nil {
+		if resolvedRef == nil || resolvedRef.file == nil {
 			return nil
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -616,7 +616,7 @@ func (l *LanguageService) getReferencedSymbolsForNode(ctx context.Context, posit`
`616`	`616`
`617`	`617`	`if node.Kind == ast.KindSourceFile {`
`618`	`618`	`resolvedRef := getReferenceAtPosition(node.AsSourceFile(), position, program)`
`619`		`- if resolvedRef.file == nil {`
	`619`	`+ if resolvedRef == nil \|\| resolvedRef.file == nil {`
`620`	`620`	`return nil`
`621`	`621`	`}`
`622`	`622`