fix When isReverse is true,The scroll bar position incorrect

Author: hengkx

dist/InfiniteScroll.js

@@ -110,12 +110,13 @@ var InfiniteScroll = (function(_Component) {
     {
       key: 'componentDidUpdate',
       value: function componentDidUpdate() {
-        if (this.props.isReverse) {
+        if (this.props.isReverse && this.loadMore) {
           var parentElement = this.getParentElement(this.scrollComponent);
           parentElement.scrollTop =
             parentElement.scrollHeight -
             this.beforeScrollHeight +
             this.beforeScrollTop;
+          this.loadMore = false;
         }
         this.attachScrollListener();
       },
@@ -273,6 +274,7 @@ var InfiniteScroll = (function(_Component) {
           // Call loadMore after detachScrollListener to allow for non-async loadMore functions
           if (typeof this.props.loadMore === 'function') {
             this.props.loadMore((this.pageLoaded += 1));
+            this.loadMore = true;
           }
         }
       },

src/InfiniteScroll.js

@@ -44,12 +44,13 @@ export default class InfiniteScroll extends Component {
   }
 
   componentDidUpdate() {
-    if (this.props.isReverse) {
+    if (this.props.isReverse && this.loadMore) {
       const parentElement = this.getParentElement(this.scrollComponent);
       parentElement.scrollTop =
         parentElement.scrollHeight -
         this.beforeScrollHeight +
         this.beforeScrollTop;
+      this.loadMore = false;
     }
     this.attachScrollListener();
   }
@@ -184,6 +185,7 @@ export default class InfiniteScroll extends Component {
       // Call loadMore after detachScrollListener to allow for non-async loadMore functions
       if (typeof this.props.loadMore === 'function') {
         this.props.loadMore((this.pageLoaded += 1));
+        this.loadMore = true;
       }
     }
   }