refactor(core): allow passing undefined as arg to findNode & findEdge

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

packages/core/src/store/actions.ts

@@ -38,6 +38,10 @@ export function useActions(
   }
 
   const findNode: Actions['findNode'] = (id) => {
+    if (!id) {
+      return
+    }
+
     if (state.nodes && !nodeIds.value.length) {
       return state.nodes.find((node) => node.id === id)
     }
@@ -46,6 +50,10 @@ export function useActions(
   }
 
   const findEdge: Actions['findEdge'] = (id) => {
+    if (!id) {
+      return
+    }
+
     if (state.edges && !edgeIds.value.length) {
       return state.edges.find((edge) => edge.id === id)
     }

packages/core/src/types/store.ts

@@ -179,11 +179,11 @@ export type UpdateNodeDimensions = (updates: UpdateNodeDimensionsParams[]) => vo
 export type UpdateNodeInternals = (nodeIds?: string[]) => void
 
 export type FindNode = <Data = ElementData, CustomEvents extends Record<string, CustomEvent> = any>(
-  id: string,
+  id: string | undefined,
 ) => GraphNode<Data, CustomEvents> | undefined
 
 export type FindEdge = <Data = ElementData, CustomEvents extends Record<string, CustomEvent> = any>(
-  id: string,
+  id: string | undefined,
 ) => GraphEdge<Data, CustomEvents> | undefined
 
 export type GetIntersectingNodes = (