Replaced tabs with spaces

Replaced tabs with spaces
Added array check for device set

Author: leonluc-dev

src/ParsePushAdapter.js

@@ -50,22 +50,22 @@ export class ParsePushAdapter {
     for (let pushType in deviceMap) {
       let sender = this.senderMap[pushType];
       let devices = deviceMap[pushType];
-	  if(devices.length > 0)
-	  {
-		  if (!sender) {
-			log.verbose(LOG_PREFIX, `Can not find sender for push type ${pushType}, ${data}`)
-			let results = devices.map((device) => {
-			  return Promise.resolve({
-				device,
-				transmitted: false,
-				response: {'error': `Can not find sender for push type ${pushType}, ${data}`}
-			  })
-			});
-			sendPromises.push(Promise.all(results));
-		  } else {
-			sendPromises.push(sender.send(data, devices));
-		  }
-	  }
+      if(Array.isArray(devices) && devices.length > 0)
+      {
+        if (!sender) {
+          log.verbose(LOG_PREFIX, `Can not find sender for push type ${pushType}, ${data}`)
+          let results = devices.map((device) => {
+            return Promise.resolve({
+              device,
+              transmitted: false,
+              response: {'error': `Can not find sender for push type ${pushType}, ${data}`}
+            })
+          });
+          sendPromises.push(Promise.all(results));
+        } else {
+          sendPromises.push(sender.send(data, devices));
+        }
+      }
     }
     return Promise.all(sendPromises).then((promises) => {
       // flatten all