Drag behavior is correct after resetting data

README.md

@@ -288,8 +288,13 @@ positionOffset: {x: number | string, y: number | string},
 // Specifies the scale of the canvas your are dragging this element on. This allows
 // you to, for example, get the correct drag deltas while you are zoomed in or out via
 // a transform or matrix in the parent of this element.
-scale: number
+scale: number,
+
+// Drag behavior is correct after resetting data
+resetData: { x: number, y: number, slackX: number, slackY: number } | undefined, 
 }
+
+
 ```
 
 

lib/Draggable.js

@@ -37,6 +37,7 @@ export type DraggableProps = {
   ...DraggableDefaultProps,
   positionOffset: PositionOffsetControlPosition,
   position: ControlPosition,
+  resetData?: { x: number, y: number, slackX: number, slackY: number },
 };
 
 //
@@ -179,7 +180,7 @@ class Draggable extends React.Component<DraggableProps, DraggableState> {
 
   // React 16.3+
   // Arity (props, state)
-  static getDerivedStateFromProps({position}: DraggableProps, {prevPropsPosition}: DraggableState): ?Partial<DraggableState> {
+  static getDerivedStateFromProps({position，resetData}: DraggableProps, {prevPropsPosition}: DraggableState): ?Partial<DraggableState> {
     // Set x/y if a new position is provided in props that is different than the previous.
     if (
       position &&
@@ -194,6 +195,11 @@ class Draggable extends React.Component<DraggableProps, DraggableState> {
         prevPropsPosition: {...position}
       };
     }
+    if (resetData) {
+      return {
+        ...resetData,
+      };
+    }
     return null;
   }