JS: Alias references are not always safe to expand

asgerf · asgerf · commit c3c3faa4b56c · 2023-04-25T11:27:40.000+02:00
diff --git a/javascript/extractor/lib/typescript/src/type_table.ts b/javascript/extractor/lib/typescript/src/type_table.ts
@@ -43,6 +43,9 @@ function isTypeAlwaysSafeToExpand(type: ts.Type): boolean {
       return false;
     }
   }
+  if (type.aliasSymbol != null) {
+    return false;
+  }
   return true;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -43,6 +43,9 @@ function isTypeAlwaysSafeToExpand(type: ts.Type): boolean {`
`43`	`43`	`return false;`
`44`	`44`	`}`
`45`	`45`	`}`
	`46`	`+ if (type.aliasSymbol != null) {`
	`47`	`+ return false;`
	`48`	`+ }`
`46`	`49`	`return true;`
`47`	`50`	`}`
`48`	`51`