Refactor canDrop name internally to avoid confusion

Author: fritz-c

src/react-sortable-tree.js

@@ -427,7 +427,7 @@ class ReactSortableTree extends Component {
                 getPrevRow={getPrevRow}
                 treeData={this.state.draggingTreeData || this.state.treeData}
                 getNodeKey={this.props.getNodeKey}
-                canDrop={this.props.canDrop}
+                customCanDrop={this.props.canDrop}
                 node={node}
                 path={path}
                 lowerSiblingCounts={lowerSiblingCounts}

src/tree-node.js

@@ -14,14 +14,14 @@ const TreeNode = ({
     draggedNode,
     canDrop,
     treeIndex,
-    canDrop:    _canDrop,    // Delete from otherProps
-    dragHover:  _dragHover,  // Delete from otherProps
-    getNodeKey: _getNodeKey, // Delete from otherProps
-    getPrevRow: _getPrevRow, // Delete from otherProps
-    maxDepth:   _maxDepth,   // Delete from otherProps
-    node:       _node,       // Delete from otherProps
-    path:       _path,       // Delete from otherProps
-    treeData:   _treeData,   // Delete from otherProps
+    customCanDrop: _customCanDrop, // Delete from otherProps
+    dragHover:     _dragHover,     // Delete from otherProps
+    getNodeKey:    _getNodeKey,    // Delete from otherProps
+    getPrevRow:    _getPrevRow,    // Delete from otherProps
+    maxDepth:      _maxDepth,      // Delete from otherProps
+    node:          _node,          // Delete from otherProps
+    path:          _path,          // Delete from otherProps
+    treeData:      _treeData,      // Delete from otherProps
     ...otherProps,
 }) => {
     // Construct the scaffold representing the structure of the tree

src/utils/drag-and-drop-utils.js

@@ -76,7 +76,7 @@ function canDrop(dropTargetProps, monitor) {
         return false;
     }
 
-    if (typeof dropTargetProps.canDrop === 'function') {
+    if (typeof dropTargetProps.customCanDrop === 'function') {
         const draggedNode = monitor.getItem().node;
         const addedResult = memoizedInsertNode({
             treeData:         dropTargetProps.treeData,
@@ -87,7 +87,7 @@ function canDrop(dropTargetProps, monitor) {
             expandParent:     true,
         });
 
-        return dropTargetProps.canDrop({
+        return dropTargetProps.customCanDrop({
             draggedNode,
             prevPath:   monitor.getItem().path,
             nextPath:   addedResult.path,