packager: buck: fix messed up file types

Reviewed By: cpojer

Differential Revision: D4913706

fbshipit-source-id: 792d78e1baf7d9bea4eba90f791a1dc593087b55

packages/metro-bundler/src/ModuleGraph/worker/transform-module.js

@@ -119,7 +119,7 @@ function transformJSON(json, options, callback) {
     file: filename,
     hasteID: value.name,
     transformed,
-    type: 'asset',
+    type: 'module',
   };
 
   if (basename(filename) === 'package.json') {
@@ -139,7 +139,7 @@ function transformAsset(data, options, callback) {
     file: options.filename,
     hasteID: null,
     transformed: {},
-    type: 'module',
+    type: 'asset',
   });
 }