diff --git a/react-packager/src/ModuleGraph/types.flow.js b/react-packager/src/ModuleGraph/types.flow.js
index a6aef04c..fabb48f2 100644
--- a/react-packager/src/ModuleGraph/types.flow.js
+++ b/react-packager/src/ModuleGraph/types.flow.js
@@ -120,6 +120,8 @@ export type TransformResult = {|
   map: ?Object,
 |};
 
+export type TransformResults = {[string]: TransformResult};
+
 export type TransformVariants = {[key: string]: Object};
 
 export type TransformedFile = {
@@ -127,6 +129,6 @@ export type TransformedFile = {
   file: string,
   hasteID: ?string,
   package?: PackageData,
-  transformed: {[variant: string]: TransformResult},
+  transformed: TransformResults,
   type: FileTypes,
 };
diff --git a/react-packager/src/node-haste/DependencyGraph/ResolutionRequest.js b/react-packager/src/node-haste/DependencyGraph/ResolutionRequest.js
index 52a89293..ec4b67df 100644
--- a/react-packager/src/node-haste/DependencyGraph/ResolutionRequest.js
+++ b/react-packager/src/node-haste/DependencyGraph/ResolutionRequest.js
@@ -480,9 +480,13 @@ function resolutionHash(modulePath, depName) {
 
 class UnableToResolveError extends Error {
   type: string;
+  from: string;
+  to: string;
 
   constructor(fromModule, toModule, message) {
     super();
+    this.from = fromModule.path;
+    this.to = toModule;
     this.message = util.format(
       'Unable to resolve module %s from %s: %s',
       toModule,