invert few if-else with negation for readability

src/renderers/shared/event/eventPlugins/ResponderTouchHistoryStore.js

@@ -105,10 +105,10 @@ var recordStartTouchData = function(touch) {
   if (__DEV__) {
     validateTouch(touch);
   }
-  if (!touchTrack) {
-    touchBank[touch.identifier] = initializeTouchData(touch);
-  } else {
+  if (touchTrack) {
     reinitializeTouchTrack(touchTrack, touch);
+  } else {
+    touchBank[touch.identifier] = initializeTouchData(touch);
   }
   touchHistory.mostRecentTimeStamp = timestampForTouch(touch);
 };

src/shared/utils/Transaction.js

@@ -84,10 +84,10 @@ var Mixin = {
    */
   reinitializeTransaction: function() {
     this.transactionWrappers = this.getTransactionWrappers();
-    if (!this.wrapperInitData) {
-      this.wrapperInitData = [];
-    } else {
+    if (this.wrapperInitData) {
       this.wrapperInitData.length = 0;
+    } else {
+      this.wrapperInitData = [];
     }
     this._isInTransaction = false;
   },

src/shared/vendor/stubs/EventListener.js

@@ -59,7 +59,14 @@ var EventListener = {
    * @return {object} Object with a `remove` method.
    */
   capture: function(target, eventType, callback) {
-    if (!target.addEventListener) {
+    if (target.addEventListener) {
+      target.addEventListener(eventType, callback, true);
+      return {
+        remove: function () {
+          target.removeEventListener(eventType, callback, true);
+        }
+      };
+    } else {
       if (__DEV__) {
         console.error(
           'Attempted to listen to events during the capture phase on a ' +
@@ -70,13 +77,6 @@ var EventListener = {
       return {
         remove: emptyFunction
       };
-    } else {
-      target.addEventListener(eventType, callback, true);
-      return {
-        remove: function() {
-          target.removeEventListener(eventType, callback, true);
-        }
-      };
     }
   },
 

src/test/ReactTestUtils.js

@@ -410,7 +410,9 @@ ReactShallowRenderer.prototype.unmount = function() {
 };
 
 ReactShallowRenderer.prototype._render = function(element, transaction, context) {
-  if (!this._instance) {
+  if (this._instance) {
+    this._instance.receiveComponent(element, transaction, context);
+  } else {
     var rootID = ReactInstanceHandles.createReactRootID();
     var instance = new ShallowComponentWrapper(element.type);
     instance.construct(element);
@@ -418,8 +420,6 @@ ReactShallowRenderer.prototype._render = function(element, transaction, context)
     instance.mountComponent(rootID, transaction, context);
 
     this._instance = instance;
-  } else {
-    this._instance.receiveComponent(element, transaction, context);
   }
 };