fix(osx): Capture multiple displays of the same type

Author: zhanggang

lib/darwin/index.js

@@ -105,13 +105,19 @@ function makeSubtree (currIndent, subtree, entries) {
   while ((entry = entries.shift())) {
     if (entry.value === '') {
       if (currIndent < entry.indent) {
+        while (entry.key in subtree) {
+          entry.key += '_1'
+        }
         subtree[entry.key] = {}
         makeSubtree(entry.indent, subtree[entry.key], entries)
       } else {
         entries.unshift(entry)
         return
       }
     } else {
+      while (entry.key in subtree) {
+        entry.key += '_1'
+      }
       subtree[entry.key] = entry.value
     }
   }