Show file path and position when babel transformation failed

Summary: Currently when babel transformation is failed, only stack is shown. It's better to log the whole error object because it also contains path and line number of the code failing to transpile.

Reviewed By: passy

Differential Revision: D27034942

fbshipit-source-id: 76e03871c924489e2698a26622e6bc6fdd305560

desktop/scripts/build-utils.ts

@@ -54,7 +54,7 @@ const hardcodedPlugins = new Set<string>([
 ]);
 
 export function die(err: Error) {
-  console.error(err.stack);
+  console.error(err);
   process.exit(1);
 }