add null check

geof90 · geof90 · commit f500e515c154 · 2016-02-07T02:32:05.000-08:00
diff --git a/CodePush.js b/CodePush.js
@@ -191,7 +191,9 @@ const sync = (() => {
   
   return (options = {}, syncStatusChangeCallback, downloadProgressCallback) => {
     if (syncInProgress) {
-      syncStatusChangeCallback(CodePush.SyncStatus.SYNC_IN_PROGRESS);
+      typeof syncStatusChangeCallback == "function"
+        ? syncStatusChangeCallback(CodePush.SyncStatus.SYNC_IN_PROGRESS)
+        : log("Sync already in progress.");
       return Promise.resolve(CodePush.SyncStatus.SYNC_IN_PROGRESS);
     } 
     

Original file line number	Diff line number	Diff line change
`@@ -191,7 +191,9 @@ const sync = (() => {`
`191`	`191`
`192`	`192`	`return (options = {}, syncStatusChangeCallback, downloadProgressCallback) => {`
`193`	`193`	`if (syncInProgress) {`
`194`		`- syncStatusChangeCallback(CodePush.SyncStatus.SYNC_IN_PROGRESS);`
	`194`	`+ typeof syncStatusChangeCallback == "function"`
	`195`	`+ ? syncStatusChangeCallback(CodePush.SyncStatus.SYNC_IN_PROGRESS)`
	`196`	`+ : log("Sync already in progress.");`
`195`	`197`	`return Promise.resolve(CodePush.SyncStatus.SYNC_IN_PROGRESS);`
`196`	`198`	`}`
`197`	`199`