fix: codemirror util

frontend/src/lib/graph/abstractNode.ts

@@ -59,6 +59,15 @@ export type AbstractNodeContext<TData = Record<string, unknown>> = {
   targetIds: string[]
 }
 
+/** Returns nodes that are connected to this node (in sourceIds) and have the given type. */
+export function getConnectedNodesByType<T extends FlowNode = FlowNode>(
+  nodes: FlowNode[],
+  sourceIds: string[],
+  type: string
+): T[] {
+  return nodes.filter((n) => sourceIds.includes(n.id) && n.type === type) as T[]
+}
+
 // ---------------------------------------------------------------------------
 // Hook
 // ---------------------------------------------------------------------------