handle unknown nodes in extract_identifiers (#2510) (#2514)

sveltejs · Apr 23, 2019 · 51f2a3b · 51f2a3b
1 parent e7885f2
commit 51f2a3b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/compile/utils/scope.ts b/src/compile/utils/scope.ts
@@ -106,7 +106,7 @@ export function extract_names(param: Node) {
 
 export function extract_identifiers(param: Node) {
 	const nodes: Node[] = [];
-	extractors[param.type](nodes, param);
+	extractors[param.type] && extractors[param.type](nodes, param);
 	return nodes;
 }