Add client side Event helper (#38)

* Add broadcasting endpoint & dispatch ipc event

* Inject Native helper object in browser window

* Strip leading slashes before matching event name

* added event name as second callback parameter

Author: gwleuverink

src/preload/index.ts

@@ -1,6 +1,11 @@
 import { contextBridge, ipcRenderer } from 'electron'
 import * as remote from '@electron/remote'
 
+import Native from './native';
+
+// @ts-ignore
+window.Native = Native;
+
 // @ts-ignore
 window.remote = remote;
 

src/preload/native.ts

@@ -0,0 +1,16 @@
+import { ipcRenderer } from 'electron'
+
+export default {
+    on: (event, callback) => {
+        ipcRenderer.on('native-event', (_, data) => {
+
+            // Strip leading slashes
+            event = event.replace(/^(\\)+/, '');
+            data.event = data.event.replace(/^(\\)+/, '');
+
+            if(event === data.event) {
+                return callback(data.payload, event);
+            }
+        })
+    }
+}