add Load Extension (#44)

* add Load Extension events to consts

sessionEventLoadedExtension and sessionCmdLoadExtension

* add Load Extension switch case

Do we need to do something different on L171?

* add json.path to loadExtension() + tidy

index.js

@@ -165,7 +165,12 @@ function onReady () {
             elements[json.targetID].flushStorageData();
             client.write(json.targetID, consts.eventNames.sessionEventFlushedStorage)
             break;
-
+            case consts.eventNames.sessionCmdLoadExtension:
+            elements[json.targetID].loadExtension(json.path).then(() => {
+                client.write(json.targetID, consts.eventNames.sessionEventLoadedExtension)
+            })
+            break;
+
             // Sub menu
             case consts.eventNames.subMenuCmdAppend:
             elements[json.targetID].append(menuItemCreate(json.menuItem))

src/consts.js

@@ -54,9 +54,11 @@ module.exports = {
         notificationEventShown: "notification.event.shown",
         sessionCmdClearCache: "session.cmd.clear.cache",
         sessionCmdFlushStorage: "session.cmd.flush.storage",
+        sessionCmdLoadExtension: "session.cmd.load.extension",
         sessionEventClearedCache: "session.event.cleared.cache",
         sessionEventWillDownload: "session.event.will.download",
         sessionEventFlushedStorage: "session.event.flushed.storage",
+        sessionEventLoadedExtension: "session.event.loaded.extension",
         subMenuCmdAppend: "sub.menu.cmd.append",
         subMenuCmdClosePopup: "sub.menu.cmd.close.popup",
         subMenuCmdInsert: "sub.menu.cmd.insert",