fix(formatPkg): cleaned main can be an array (#395)

Author: bodinsamuel

src/formatPkg.js

@@ -15,6 +15,10 @@ export default function formatPkg(pkg) {
   if (!cleaned.name) {
     return undefined;
   }
+  if (Array.isArray(cleaned.main)) {
+    // https://github.com/angular-ui/bootstrap-bower/issues/52
+    cleaned.main = cleaned.main[0];
+  }
 
   const lastPublisher = cleaned.lastPublisher
     ? formatUser(cleaned.lastPublisher)