Refactor incrementPromiseCounter code

Author: LissetteIbnz

src/trackPromise.js

@@ -12,17 +12,20 @@ export const getCounter = area => counter[area];
 
 export const trackPromise = (promise, area) => {
   area = area || defaultArea;
-  incrementCounter(area);
-
-  const promiseInProgress = anyPromiseInProgress(area);
-  emitter.emit(promiseCounterUpdateEventId, promiseInProgress, area);
+  incrementPromiseCounter(area);
 
   const onResolveHandler = () => decrementPromiseCounter(area);
   promise.then(onResolveHandler, onResolveHandler);
 
   return promise;
 };
 
+const incrementPromiseCounter = area => {
+  incrementCounter(area);
+  const promiseInProgress = anyPromiseInProgress(area);
+  emitter.emit(promiseCounterUpdateEventId, promiseInProgress, area);
+};
+
 const incrementCounter = area => {
   if (Boolean(counter[area])) {
     counter[area]++;
@@ -56,11 +59,7 @@ export const manuallyDecrementPromiseCounter = area => {
 
 export const manuallyIncrementPromiseCounter = area => {
   area = area || defaultArea;
-  incrementCounter(area);
-
-  const promiseInProgress = anyPromiseInProgress(area);
-  emitter.emit(promiseCounterUpdateEventId, promiseInProgress, area);
+  incrementPromiseCounter(area);
 };
-
 // TODO: Enhancement we could catch here errors and throw an Event in case there's an HTTP Error
 // then the consumer of this event can be listening and decide what to to in case of error