Avoid dependent parameters narrowings if any declared symbol of the parameter is assigned to (#56313)

2025-11-18 17:21:48 +00:00 · 2023-12-11 13:42:30 -08:00
parent 973b0e63c1
commit af368780cd
10 changed files with 352 additions and 3 deletions
@@ -0,0 +1,10 @@
+// @strict: true
+// @noEmit: true
+
+function ff({ a, b }: { a: string | undefined, b: () => void }) {
+  if (a !== undefined) {
+    b = () => {
+      const x: string = a;
+    }
+  }
+}