getLiteralTypeFromProperty-check privateIdentifier

microsoft · Jul 15, 2019 · bd1155c · bd1155c
1 parent 99d11db
commit bd1155c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -10005,6 +10005,9 @@ namespace ts {
                     }
                     else {
                         const name = prop.valueDeclaration && getNameOfDeclaration(prop.valueDeclaration) as PropertyName;
+                        if (isPrivateIdentifier(name)) {
+                            return neverType;
+                        }
                         type = name && getLiteralTypeFromPropertyName(name) || getLiteralType(symbolName(prop));
                     }
                 }