Add source location to debug logging info

src/backend/renderer.js

@@ -1925,7 +1925,7 @@ export function attach(
       owners,
 
       // Location of component in source coude.
-      source: _debugSource,
+      source: _debugSource || null,
     };
   }
 
@@ -1986,6 +1986,9 @@ export function attach(
     if (nativeNodes !== null) {
       console.log('Nodes:', nativeNodes);
     }
+    if (result.source !== null) {
+      console.log('Location:', result.source);
+    }
     if (window.chrome || /firefox/i.test(navigator.userAgent)) {
       console.log(
         'Right-click any value to save it as a global variable for further inspection.'

src/backend/types.js

@@ -191,7 +191,7 @@ export type InspectedElement = {|
   owners: Array<Owner> | null,
 
   // Location of component in source coude.
-  source: Object | null,
+  source: Source | null,
 
   type: ElementType,
 |};

src/devtools/views/Components/types.js

@@ -44,6 +44,11 @@ export type OwnersList = {|
   owners: Array<Owner> | null,
 |};
 
+export type Source = {|
+  fileName: string,
+  lineNumber: number,
+|};
+
 export type InspectedElement = {|
   id: number,
 
@@ -72,7 +77,7 @@ export type InspectedElement = {|
   owners: Array<Owner> | null,
 
   // Location of component in source coude.
-  source: Object | null,
+  source: Source | null,
 
   type: ElementType,
 |};