wip: removed code block that prevents event dispatch (#73)

packages/core/src/getChildEventSubscriber.js

@@ -9,43 +9,16 @@ export default function getChildEventSubscriber(
   key,
   initialLastFocusEvent = 'didBlur'
 ) {
-  const actionSubscribers = new Set();
-  const willFocusSubscribers = new Set();
-  const didFocusSubscribers = new Set();
-  const willBlurSubscribers = new Set();
-  const didBlurSubscribers = new Set();
-  const refocusSubscribers = new Set();
+  const eventSubscribers = new Map();
 
   const removeAll = () => {
-    [
-      actionSubscribers,
-      willFocusSubscribers,
-      didFocusSubscribers,
-      willBlurSubscribers,
-      didBlurSubscribers,
-      refocusSubscribers,
-    ].forEach(set => set.clear());
+    eventSubscribers.forEach(set => set.clear());
 
     upstreamSubscribers.forEach(subs => subs && subs.remove());
   };
 
   const getChildSubscribers = evtName => {
-    switch (evtName) {
-      case 'action':
-        return actionSubscribers;
-      case 'willFocus':
-        return willFocusSubscribers;
-      case 'didFocus':
-        return didFocusSubscribers;
-      case 'willBlur':
-        return willBlurSubscribers;
-      case 'didBlur':
-        return didBlurSubscribers;
-      case 'refocus':
-        return refocusSubscribers;
-      default:
-        return null;
-    }
+    return eventSubscribers.get(evtName);
   };
 
   const emit = (type, payload) => {
@@ -70,11 +43,20 @@ export default function getChildEventSubscriber(
     'didBlur',
     'refocus',
     'action',
+    'drawerOpen',
+    'drawerClose',
   ];
 
   const upstreamSubscribers = upstreamEvents.map(eventName =>
     addListener(eventName, payload => {
-      if (eventName === 'refocus') {
+      if (!eventSubscribers.has(eventName)) {
+        eventSubscribers.set(eventName, new Set());
+      }
+      if (
+        eventName === 'refocus' ||
+        eventName === 'drawerOpen' ||
+        eventName === 'drawerClose'
+      ) {
         emit(eventName, payload);
         return;
       }
@@ -184,12 +166,6 @@ export default function getChildEventSubscriber(
       return { remove };
     },
     emit(eventName, payload) {
-      if (eventName !== 'refocus') {
-        console.error(
-          `navigation.emit only supports the 'refocus' event currently.`
-        );
-        return;
-      }
       emit(eventName, payload);
     },
   };