From f40da555571925db4d15e07d5bcf3c42c738809f Mon Sep 17 00:00:00 2001
From: jas0ncn <me@ijason.cc>
Date: Sun, 2 Sep 2018 16:33:35 +0800
Subject: [PATCH] Improve: add promise callhandler api

---
 src/lib/jsBridge.ts | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/lib/jsBridge.ts b/src/lib/jsBridge.ts
index 6cabdac..6c5cbd7 100644
--- a/src/lib/jsBridge.ts
+++ b/src/lib/jsBridge.ts
@@ -20,12 +20,12 @@ export interface JsBridgeAPI {
     /**
      * Register a javascript bridge event handle
      */
-    registerHandler: (eventName: string, callback: (data: any, responseCallback: (param: any) => void) => void) => void
+    registerHandler: (eventName: string, callback?: (data: any, responseCallback: (param: any) => void) => void) => void
 
     /**
      * Call a native handle
      */
-    callHandler: (handleName: string, data: any, responseCallback: (responseData: any) => void) => void
+    callHandler: (handleName: string, data?: any, responseCallback?: (responseData: any) => void) => void
 
     /**
      * Who knows
@@ -114,6 +114,16 @@ export class JsBridge {
         document.documentElement.appendChild(WVJBIframe)
         setTimeout(() => document.documentElement.removeChild(WVJBIframe), 0)
     }
+
+    public callHandler (handleName: string, data?: any) {
+        return new Promise(resolve => {
+            this.instance.callHandler(
+                handleName,
+                data || undefined,
+                resolve
+            )
+        })
+    }
 }
 
 export function setupJsBridge (callback) {