fix self-check

microsoft · Dec 20, 2024 · 709b33d · 709b33d
1 parent 1a8f1cc
commit 709b33d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -18117,7 +18117,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                     removeFromEach(typeSet, TypeFlags.Undefined);
                     result = getUnionType([getIntersectionType(typeSet, flags), containedUndefinedType], UnionReduction.Literal, aliasSymbol, aliasTypeArguments);
                 }
-                else if (every(typeSet, t => !!(t.flags & TypeFlags.Union && ((t as UnionType).types[0].flags & TypeFlags.Null || (t as UnionType).types[1].flags & TypeFlags.Null)))) {
+                else if (every(typeSet, (t): boolean => !!(t.flags & TypeFlags.Union && ((t as UnionType).types[0].flags & TypeFlags.Null || (t as UnionType).types[1].flags & TypeFlags.Null)))) {
                     removeFromEach(typeSet, TypeFlags.Null);
                     result = getUnionType([getIntersectionType(typeSet, flags), nullType], UnionReduction.Literal, aliasSymbol, aliasTypeArguments);
                 }
@@ -18434,7 +18434,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
         }
         newTexts.push(text);
         if (every(newTexts, t => t === "")) {
-            if (every(newTypes, t => !!(t.flags & TypeFlags.String))) {
+            if (every(newTypes, (t): boolean => !!(t.flags & TypeFlags.String))) {
                 return stringType;
             }
             // Normalize `${Mapping<xxx>}` into Mapping<xxx>