refactor(core): Reorganize n8n-core and enforce file-name casing (no-changelog) (#12667)

packages/core/src/execution-engine/partial-execution-utils/clean-run-data.ts

@@ -0,0 +1,35 @@
+import type { INode, IRunData } from 'n8n-workflow';
+
+import type { DirectedGraph } from './directed-graph';
+
+/**
+ * Returns new run data that does not contain data for any node that is a child
+ * of any start node.
+ * This does not mutate the `runData` being passed in.
+ */
+export function cleanRunData(
+	runData: IRunData,
+	graph: DirectedGraph,
+	startNodes: Set<INode>,
+): IRunData {
+	const newRunData: IRunData = { ...runData };
+
+	for (const startNode of startNodes) {
+		delete newRunData[startNode.name];
+		const children = graph.getChildren(startNode);
+
+		for (const child of children) {
+			delete newRunData[child.name];
+		}
+	}
+
+	// Remove run data for all nodes that are not part of the subgraph
+	for (const nodeName of Object.keys(newRunData)) {
+		if (!graph.hasNode(nodeName)) {
+			// remove run data for node that is not part of the graph
+			delete newRunData[nodeName];
+		}
+	}
+
+	return newRunData;
+}