From dd6ad915b5f7cc4cebebf685a591cfe9daa2be90 Mon Sep 17 00:00:00 2001
From: Mads Lee Jensen <madsleejensen@gmail.com>
Date: Fri, 5 Aug 2016 16:15:00 +0200
Subject: [PATCH] guard against codePushDownloadDidProgress(...) or
 codePushStatusDidChange(...) not being defined

---
 CodePush.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/CodePush.js b/CodePush.js
index f7ac315..053005f 100644
--- a/CodePush.js
+++ b/CodePush.js
@@ -428,8 +428,15 @@ function codePushify(options = {}) {
           CodePush.notifyAppReady();
         } else {
           let rootComponentInstance = this.refs.rootComponent;
-          let syncStatusCallback = rootComponentInstance && rootComponentInstance.codePushStatusDidChange.bind(rootComponentInstance);
-          let downloadProgressCallback = rootComponentInstance && rootComponentInstance.codePushDownloadDidProgress.bind(rootComponentInstance);
+          if (rootComponentInstance && rootComponentInstance.codePushStatusDidChange) {
+            syncStatusCallback = rootComponentInstance.codePushStatusDidChange.bind(rootComponentInstance);
+          }
+
+          let downloadProgressCallback;
+          if (rootComponentInstance && rootComponentInstance.codePushDownloadDidProgress) {
+            downloadProgressCallback = rootComponentInstance.codePushDownloadDidProgress.bind(rootComponentInstance);
+          }
+          
           CodePush.sync(options, syncStatusCallback, downloadProgressCallback);
           if (options.checkFrequency === CodePush.CheckFrequency.ON_APP_RESUME) {
             ReactNative.AppState.addEventListener("change", (newState) => {