feat(core): add vue flow error class

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

packages/core/src/composables/useEdge.ts

@@ -16,7 +16,7 @@ export default function useEdge<Data = ElementData, CustomEvents extends Record<
   const edge = findEdge<Data, CustomEvents>(edgeId)
 
   if (!edge) {
-    throw new Error(`[vue-flow]: useEdge - Edge with id ${edgeId} not found!`)
+    throw new VueFlowError(`Edge with id ${edgeId} not found!`, 'useEdge')
   }
 
   return {

packages/core/src/composables/useNode.ts

@@ -16,7 +16,7 @@ export default function useNode<Data = ElementData, CustomEvents extends Record<
   const node = findNode<Data, CustomEvents>(nodeId)
 
   if (!node) {
-    throw new Error(`[vue-flow]: useNode - Node with id ${nodeId} not found!`)
+    throw new VueFlowError(`Node with id ${nodeId} not found!`, 'useNode')
   }
 
   return {

packages/core/src/composables/useVueFlow.ts

@@ -126,7 +126,7 @@ export default (options?: FlowProps): VueFlowStore => {
   /**
    * Vue flow wasn't able to find any store instance - we can't proceed
    */
-  if (!vueFlow) throw new Error('[vueflow]: store instance not found.')
+  if (!vueFlow) throw new VueFlowError('Store instance not found.', 'useVueFlow')
 
   // always provide a fresh instance into context on call
   if (scope) {