[jsfm] Throw the caught exception in componentHook (#2285)

Still throw the caught exception in the "componentHook" anyway, it should
be processed by the native for consistent error collecting.

runtime/bridge/receiver.js

@@ -23,7 +23,8 @@ function fireEvent (document, nodeId, type, event, domChanges, params) {
   const el = document.getRef(nodeId)
   if (el) {
     return document.fireEvent(el, type, event, domChanges, params)
-  } else if (event) {
+  }
+  else if (event) {
     event._nodeId = nodeId
     return document.fireEvent(document.getRef('_documentElement'), type, event, domChanges, params)
   }
@@ -44,6 +45,10 @@ function componentHook (document, componentId, type, hook, args) {
   }
   catch (e) {
     console.error(`[JS Framework] Failed to trigger the "${type}@${hook}" hook on ${componentId}.`)
+
+    // Still throw the exception anyway, it should be caught
+    // and processed by the native for consistent error collecting.
+    throw e
   }
   return result
 }