feat(nodes): connect on touch device

src/types/general.ts

@@ -5,7 +5,7 @@ import { XYPosition, Rect, Transform, CoordinateExtent } from './utils';
 import { NodeChange, EdgeChange } from './changes';
 import { Node, NodeInternals, NodeDimensionUpdate, NodeDiffUpdate } from './nodes';
 import { Edge } from './edges';
-import { HandleType } from './handles';
+import { HandleType, StartHandle } from './handles';
 
 export type FlowElement<T = any> = Node<T> | Edge<T>;
 
@@ -178,6 +178,8 @@ export type ReactFlowStore = {
   fitViewOnInit: boolean;
   fitViewOnInitDone: boolean;
 
+  connectionStartHandle: StartHandle | null;
+
   onConnect?: OnConnect;
   onConnectStart?: OnConnectStart;
   onConnectStop?: OnConnectStop;

src/types/handles.ts

@@ -8,6 +8,12 @@ export interface HandleElement extends XYPosition, Dimensions {
   position: Position;
 }
 
+export interface StartHandle {
+  nodeId: string;
+  type: HandleType;
+  handleId?: string | null;
+}
+
 export interface HandleProps {
   type: HandleType;
   position: Position;