resolve microsoft#16655; Boolean() can be type-guard for null checks

gfx · Oct 26, 2023 · 78e5557 · 78e5557
1 parent 79da510
commit 78e5557
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
@@ -532,7 +532,7 @@ interface Boolean {
 
 interface BooleanConstructor {
     new (value?: any): Boolean;
-    <T>(value?: T): boolean;
+    <T>(value?: T | null | undefined): value is T;
     readonly prototype: Boolean;
 }