1 files changed, 4 insertions, 0 deletions
diff --git a/cli/js/ts_global.d.ts b/cli/js/ts_global.d.ts
index dcdf4a3e4..a32e8b620 100644
--- a/cli/js/ts_global.d.ts
+++ b/cli/js/ts_global.d.ts
@@ -29,5 +29,9 @@ declare global {
       disable(): void;
       getDuration(value: string): number;
     };
+
+    interface SourceFile {
+      version?: string;
+    }
   }
 }