feat(core): add nodes to isValidConnection args

Author: bcakmakoglu

packages/core/src/composables/useHandle.ts

@@ -57,6 +57,7 @@ export function useHandle({
     emits,
     viewport,
     edges,
+    nodes,
     isValidConnection: isValidConnectionProp,
   } = useVueFlow()
 
@@ -152,6 +153,7 @@ export function useHandle({
               isValidConnectionHandler,
               doc,
               edges.value,
+              nodes.value,
               findNode,
             ),
         )
@@ -278,6 +280,7 @@ export function useHandle({
         isValidConnectionHandler,
         doc,
         edges.value,
+        nodes.value,
         findNode,
       )
 

packages/core/src/types/handle.ts

@@ -34,7 +34,7 @@ export interface ConnectingHandle {
 /** A valid connection function can determine if an attempted connection is valid or not, i.e. abort creating a new edge */
 export type ValidConnectionFunc = (
   connection: Connection,
-  elements: { edges: GraphEdge[]; sourceNode: GraphNode; targetNode: GraphNode },
+  elements: { edges: GraphEdge[]; nodes: GraphNode[]; sourceNode: GraphNode; targetNode: GraphNode },
 ) => boolean
 
 export type HandleConnectableFunc = (node: GraphNode, connectedEdges: GraphEdge[]) => boolean

packages/core/src/utils/handle.ts

@@ -151,6 +151,7 @@ export function isValidHandle(
   isValidConnection: ValidConnectionFunc,
   doc: Document | ShadowRoot,
   edges: GraphEdge[],
+  nodes: GraphNode[],
   findNode: Actions['findNode'],
 ) {
   const isTarget = fromType === 'target'
@@ -201,6 +202,7 @@ export function isValidHandle(
     if (isValid) {
       result.isValid = isValidConnection(connection, {
         edges,
+        nodes,
         sourceNode: findNode(connection.source)!,
         targetNode: findNode(connection.target)!,
       })