refactor(editor): Remove part of getCurrentWorkflow usages (#16148)

package.json

@@ -123,6 +123,7 @@
       "ics": "patches/ics.patch",
       "minifaker": "patches/minifaker.patch",
       "z-vue-scan": "patches/z-vue-scan.patch",
+      "@lezer/highlight": "patches/@lezer__highlight.patch",
       "v-code-diff": "patches/v-code-diff.patch"
     }
   }

packages/frontend/editor-ui/src/components/CodeNodeEditor/completions/jsonField.completions.ts

@@ -174,8 +174,7 @@ function useJsonFieldCompletions() {
 		try {
 			const activeNode = ndvStore.activeNode;
 			if (activeNode) {
-				const workflow = workflowsStore.getCurrentWorkflow();
+				const input = workflowsStore.connectionsByDestinationNode[activeNode.name];
-				const input = workflow.connectionsByDestinationNode[activeNode.name];
 				return input.main[0] ? input.main[0][0].node : null;
 			}
 		} catch (e) {

packages/frontend/editor-ui/src/components/InputNodeSelect.vue

@@ -84,7 +84,7 @@ function getMultipleNodesText(nodeName: string): string {
 		return '';
 
 	const activeNodeConnections =
-		props.workflow.connectionsByDestinationNode[activeNode.value.name].main || [];
+		workflowsStore.connectionsByDestinationNode[activeNode.value.name].main || [];
 	// Collect indexes of connected nodes
 	const connectedInputIndexes = activeNodeConnections.reduce((acc: number[], node, index) => {
 		if (node?.[0] && node[0].node === nodeName) return [...acc, index];

packages/frontend/editor-ui/src/components/RunData.vue

@@ -804,7 +804,8 @@ function getNodeHints(): NodeHint[] {
 					node: node.value,
 					nodeType: nodeType.value,
 					nodeOutputData,
-					workflow: props.workflow,
+					nodes: workflowsStore.allNodes,
+					connections: workflowsStore.connectionsBySourceNode,
 					hasNodeRun: hasNodeRun.value,
 					hasMultipleInputItems,
 				});

packages/frontend/editor-ui/src/components/canvas/experimental/components/ExperimentalEmbeddedNodeDetails.vue

@@ -114,6 +114,7 @@ const expressionResolveCtx = computed<ExpressionLocalResolveContext | undefined>
 		nodeName,
 		additionalKeys: {},
 		inputNode: findInputNode(),
+		connections: workflowsStore.connectionsBySourceNode,
 	};
 });
 

packages/frontend/editor-ui/src/composables/useCanvasMapping.test.ts

@@ -216,6 +216,8 @@ describe('useCanvasMapping', () => {
 		});
 
 		it('should handle input and output connections', () => {
+			const workflowsStore = mockedStore(useWorkflowsStore);
+
 			const [manualTriggerNode, setNode] = mockNodes.slice(0, 2);
 			const nodes = [manualTriggerNode, setNode];
 			const connections = {
@@ -225,6 +227,9 @@ describe('useCanvasMapping', () => {
 					],
 				},
 			};
+
+			workflowsStore.workflow.connections = connections;
+
 			const workflowObject = createTestWorkflowObject({
 				nodes,
 				connections,

packages/frontend/editor-ui/src/composables/useCanvasMapping.ts

@@ -59,6 +59,7 @@ import { useNodeHelpers } from './useNodeHelpers';
 import { getTriggerNodeServiceName } from '@/utils/nodeTypesUtils';
 import { useNodeDirtiness } from '@/composables/useNodeDirtiness';
 import { getNodeIconSource } from '../utils/nodeIcon';
+import * as workflowUtils from 'n8n-workflow/common';
 
 export function useCanvasMapping({
 	nodes,
@@ -571,56 +572,62 @@ export function useCanvasMapping({
 		}, {});
 	});
 
-	const mappedNodes = computed<CanvasNode[]>(() => [
+	const mappedNodes = computed<CanvasNode[]>(() => {
-		...nodes.value.map<CanvasNode>((node) => {
+		const connectionsBySourceNode = connections.value;
-			const inputConnections = workflowObject.value.connectionsByDestinationNode[node.name] ?? {};
+		const connectionsByDestinationNode =
-			const outputConnections = workflowObject.value.connectionsBySourceNode[node.name] ?? {};
+			workflowUtils.mapConnectionsByDestination(connectionsBySourceNode);
 
-			const data: CanvasNodeData = {
+		return [
-				id: node.id,
+			...nodes.value.map<CanvasNode>((node) => {
-				name: node.name,
+				const outputConnections = connectionsBySourceNode[node.name] ?? {};
-				subtitle: nodeSubtitleById.value[node.id] ?? '',
+				const inputConnections = connectionsByDestinationNode[node.name] ?? {};
-				type: node.type,
-				typeVersion: node.typeVersion,
-				disabled: node.disabled,
-				inputs: nodeInputsById.value[node.id] ?? [],
-				outputs: nodeOutputsById.value[node.id] ?? [],
-				connections: {
-					[CanvasConnectionMode.Input]: inputConnections,
-					[CanvasConnectionMode.Output]: outputConnections,
-				},
-				issues: {
-					items: nodeIssuesById.value[node.id],
-					visible: nodeHasIssuesById.value[node.id],
-				},
-				pinnedData: {
-					count: nodePinnedDataById.value[node.id]?.length ?? 0,
-					visible: !!nodePinnedDataById.value[node.id],
-				},
-				execution: {
-					status: nodeExecutionStatusById.value[node.id],
-					waiting: nodeExecutionWaitingById.value[node.id],
-					waitingForNext: nodeExecutionWaitingForNextById.value[node.id],
-					running: nodeExecutionRunningById.value[node.id],
-				},
-				runData: {
-					outputMap: nodeExecutionRunDataOutputMapById.value[node.id],
-					iterations: nodeExecutionRunDataById.value[node.id]?.length ?? 0,
-					visible: !!nodeExecutionRunDataById.value[node.id],
-				},
-				render: renderTypeByNodeId.value[node.id] ?? { type: 'default', options: {} },
-			};
 
-			return {
+				const data: CanvasNodeData = {
-				id: node.id,
+					id: node.id,
-				label: node.name,
+					name: node.name,
-				type: 'canvas-node',
+					subtitle: nodeSubtitleById.value[node.id] ?? '',
-				position: { x: node.position[0], y: node.position[1] },
+					type: node.type,
-				data,
+					typeVersion: node.typeVersion,
-				...additionalNodePropertiesById.value[node.id],
+					disabled: node.disabled,
-			};
+					inputs: nodeInputsById.value[node.id] ?? [],
-		}),
+					outputs: nodeOutputsById.value[node.id] ?? [],
-	]);
+					connections: {
+						[CanvasConnectionMode.Input]: inputConnections,
+						[CanvasConnectionMode.Output]: outputConnections,
+					},
+					issues: {
+						items: nodeIssuesById.value[node.id],
+						visible: nodeHasIssuesById.value[node.id],
+					},
+					pinnedData: {
+						count: nodePinnedDataById.value[node.id]?.length ?? 0,
+						visible: !!nodePinnedDataById.value[node.id],
+					},
+					execution: {
+						status: nodeExecutionStatusById.value[node.id],
+						waiting: nodeExecutionWaitingById.value[node.id],
+						waitingForNext: nodeExecutionWaitingForNextById.value[node.id],
+						running: nodeExecutionRunningById.value[node.id],
+					},
+					runData: {
+						outputMap: nodeExecutionRunDataOutputMapById.value[node.id],
+						iterations: nodeExecutionRunDataById.value[node.id]?.length ?? 0,
+						visible: !!nodeExecutionRunDataById.value[node.id],
+					},
+					render: renderTypeByNodeId.value[node.id] ?? { type: 'default', options: {} },
+				};
+
+				return {
+					id: node.id,
+					label: node.name,
+					type: 'canvas-node',
+					position: { x: node.position[0], y: node.position[1] },
+					data,
+					...additionalNodePropertiesById.value[node.id],
+				};
+			}),
+		];
+	});
 
 	const mappedConnections = computed<CanvasConnection[]>(() => {
 		return mapLegacyConnectionsToCanvasConnections(connections.value ?? [], nodes.value ?? []).map(

packages/frontend/editor-ui/src/composables/useRunWorkflow.ts

@@ -253,6 +253,7 @@ export function useRunWorkflow(useRunWorkflowOpts: { router: ReturnType<typeof u
 					if (sourceData === null) {
 						const parentNodes = workflow.getParentNodes(name, NodeConnectionTypes.Main, 1);
 						const executeData = workflowHelpers.executeData(
+							workflow.connectionsBySourceNode,
 							parentNodes,
 							name,
 							NodeConnectionTypes.Main,

packages/frontend/editor-ui/src/composables/useWorkflowHelpers.test.ts

@@ -14,11 +14,8 @@ import {
 	createTestWorkflowExecutionResponse,
 	createTestWorkflowObject,
 } from '@/__tests__/mocks';
-import {
+import { NodeConnectionTypes, WEBHOOK_NODE_TYPE } from 'n8n-workflow';
-	NodeConnectionTypes,
+import type { AssignmentCollectionValue, IConnections } from 'n8n-workflow';
-	WEBHOOK_NODE_TYPE,
-	type AssignmentCollectionValue,
-} from 'n8n-workflow';
 import * as apiWebhooks from '@n8n/rest-api-client/api/webhooks';
 import { mockedStore } from '@/__tests__/utils';
 
@@ -519,7 +516,7 @@ describe('useWorkflowHelpers', () => {
 			const inputName = 'main';
 			const runIndex = 0;
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const result = executeData({}, parentNodes, currentNode, inputName, runIndex);
 
 			expect(result).toEqual({
 				node: {},
@@ -538,18 +535,15 @@ describe('useWorkflowHelpers', () => {
 			const jsonData = {
 				name: 'Test',
 			};
-			workflowsStore.getCurrentWorkflow.mockReturnValue({
+
-				connectionsByDestinationNode: {
+			const connectionsBySourceNode: IConnections = {
-					Set: {
+				Start: {
-						main: [
+					main: [[{ node: 'Set', index: 0, type: 'main' }]],
-							[
-								{ node: 'Start', index: 0, type: 'main' },
-								{ node: 'Set', index: 0, type: 'main' },
-							],
-						],
-					},
 				},
-			} as never);
+				Set: {
+					main: [[{ node: 'Start', index: 0, type: 'main' }]],
+				},
+			};
 
 			workflowsStore.workflowExecutionData = {
 				data: {
@@ -575,7 +569,13 @@ describe('useWorkflowHelpers', () => {
 				},
 			} as unknown as IExecutionResponse;
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const result = executeData(
+				connectionsBySourceNode,
+				parentNodes,
+				currentNode,
+				inputName,
+				runIndex,
+			);
 
 			expect(result).toEqual({
 				node: {},
@@ -609,18 +609,15 @@ describe('useWorkflowHelpers', () => {
 			const jsonData = {
 				name: 'Test',
 			};
-			workflowsStore.getCurrentWorkflow.mockReturnValue({
+
-				connectionsByDestinationNode: {
+			const connectionsBySourceNode: IConnections = {
-					Set: {
+				Start: {
-						main: [
+					main: [[{ node: 'Set', index: 0, type: 'main' }]],
-							[
-								{ node: 'Start', index: 0, type: 'main' },
-								{ node: 'Set', index: 0, type: 'main' },
-							],
-						],
-					},
 				},
-			} as never);
+				Set: {
+					main: [[{ node: 'Start', index: 0, type: 'main' }]],
+				},
+			};
 
 			workflowsStore.workflowExecutionData = {
 				data: {
@@ -646,7 +643,13 @@ describe('useWorkflowHelpers', () => {
 				},
 			} as unknown as IExecutionResponse;
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const result = executeData(
+				connectionsBySourceNode,
+				parentNodes,
+				currentNode,
+				inputName,
+				runIndex,
+			);
 
 			expect(result).toEqual({
 				node: {},
@@ -686,22 +689,20 @@ describe('useWorkflowHelpers', () => {
 				name: 'Test B',
 			};
 
-			workflowsStore.getCurrentWorkflow.mockReturnValue({
+			const connectionsBySourceNode: IConnections = {
-				connectionsByDestinationNode: {
+				'Parent A': {
-					Set: {
+					main: [[{ node: 'Set', type: 'main', index: 0 }]],
-						main: [
-							[
-								{ node: 'Parent A', index: 0, type: 'main' },
-								{ node: 'Set', index: 0, type: 'main' },
-							],
-							[
-								{ node: 'Parent B', index: 0, type: 'main' },
-								{ node: 'Set', index: 0, type: 'main' },
-							],
-						],
-					},
 				},
-			} as never);
+				'Parent B': {
+					main: [[{ node: 'Set', type: 'main', index: 1 }]],
+				},
+				Set: {
+					main: [
+						[{ node: 'Set', type: 'main', index: 0 }],
+						[{ node: 'Set', type: 'main', index: 1 }],
+					],
+				},
+			};
 
 			workflowsStore.workflowExecutionData = {
 				data: {
@@ -742,7 +743,13 @@ describe('useWorkflowHelpers', () => {
 				},
 			} as unknown as IExecutionResponse;
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const result = executeData(
+				connectionsBySourceNode,
+				parentNodes,
+				currentNode,
+				inputName,
+				runIndex,
+			);
 
 			expect(result).toEqual({
 				node: {},
@@ -779,7 +786,7 @@ describe('useWorkflowHelpers', () => {
 			};
 			workflowsStore.shouldReplaceInputDataWithPinData = true;
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const result = executeData({}, parentNodes, currentNode, inputName, runIndex);
 
 			expect(result.data).toEqual({ main: [[{ json: { key: 'value' } }]] });
 			expect(result.source).toEqual({ main: [{ previousNode: 'ParentNode' }] });
@@ -802,20 +809,23 @@ describe('useWorkflowHelpers', () => {
 					} as never,
 				],
 			};
-			workflowsStore.getCurrentWorkflow.mockReturnValue({
-				connectionsByDestinationNode: {
-					CurrentNode: {
-						main: [
-							[
-								{ node: 'ParentNode', index: 0, type: 'main' },
-								{ node: 'CurrentNode', index: 0, type: 'main' },
-							],
-						],
-					},
-				},
-			} as never);
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const connectionsBySourceNode: IConnections = {
+				CurrentNode: {
+					main: [[{ node: 'CurrentNode', index: 0, type: 'main' }]],
+				},
+				ParentNode: {
+					main: [[{ node: 'CurrentNode', index: 0, type: 'main' }]],
+				},
+			};
+
+			const result = executeData(
+				connectionsBySourceNode,
+				parentNodes,
+				currentNode,
+				inputName,
+				runIndex,
+			);
 
 			expect(result.data).toEqual({ main: [[{ json: { key: 'valueFromRunData' } }]] });
 			expect(result.source).toEqual({
@@ -841,20 +851,24 @@ describe('useWorkflowHelpers', () => {
 					} as never,
 				],
 			};
-			workflowsStore.getCurrentWorkflow.mockReturnValue({
-				connectionsByDestinationNode: {
-					CurrentNode: {
-						main: [
-							[
-								{ node: 'ParentNode', index: 1, type: 'main' },
-								{ node: 'CurrentNode', index: 0, type: 'main' },
-							],
-						],
-					},
-				},
-			} as never);
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex, parentRunIndex);
+			const connectionsBySourceNode: IConnections = {
+				CurrentNode: {
+					main: [[{ node: 'CurrentNode', index: 0, type: 'main' }]],
+				},
+				ParentNode: {
+					main: [[], [{ node: 'CurrentNode', index: 1, type: 'main' }]],
+				},
+			};
+
+			const result = executeData(
+				connectionsBySourceNode,
+				parentNodes,
+				currentNode,
+				inputName,
+				runIndex,
+				parentRunIndex,
+			);
 
 			expect(result.data).toEqual({ main: [[{ json: { key: 'valueFromRunData' } }]] });
 			expect(result.source).toEqual({
@@ -874,7 +888,7 @@ describe('useWorkflowHelpers', () => {
 			workflowsStore.shouldReplaceInputDataWithPinData = false;
 			workflowsStore.getWorkflowRunData = null;
 
-			const result = executeData(parentNodes, currentNode, inputName, runIndex);
+			const result = executeData({}, parentNodes, currentNode, inputName, runIndex);
 
 			expect(result.data).toEqual({});
 			expect(result.source).toBeNull();

packages/frontend/editor-ui/src/composables/useWorkflowHelpers.ts

@@ -29,6 +29,7 @@ import {
 	NodeHelpers,
 	WEBHOOK_NODE_TYPE,
 } from 'n8n-workflow';
+import * as workflowUtils from 'n8n-workflow/common';
 
 import type {
 	ICredentialsResponse,
@@ -71,6 +72,7 @@ export type ResolveParameterOptions = {
 	additionalKeys?: IWorkflowDataProxyAdditionalKeys;
 	isForCredential?: boolean;
 	contextNodeName?: string;
+	connections?: IConnections;
 };
 
 export function resolveParameter<T = IDataObject>(
@@ -81,6 +83,7 @@ export function resolveParameter<T = IDataObject>(
 		return resolveParameterImpl(
 			parameter,
 			() => opts.workflow,
+			opts.connections,
 			opts.envVars,
 			opts.workflow.getNode(opts.nodeName),
 			opts.execution,
@@ -100,6 +103,7 @@ export function resolveParameter<T = IDataObject>(
 	return resolveParameterImpl(
 		parameter,
 		workflowsStore.getCurrentWorkflow,
+		workflowsStore.connectionsBySourceNode,
 		useEnvironmentsStore().variablesAsObject,
 		useNDVStore().activeNode,
 		workflowsStore.workflowExecutionData,
@@ -113,6 +117,7 @@ export function resolveParameter<T = IDataObject>(
 function resolveParameterImpl<T = IDataObject>(
 	parameter: NodeParameterValue | INodeParameters | NodeParameterValue[] | INodeParameters[],
 	getContextWorkflow: () => Workflow,
+	connections: IConnections,
 	envVars: Record<string, string | boolean | number>,
 	ndvActiveNode: INodeUi | null,
 	executionData: IExecutionResponse | null,
@@ -200,11 +205,11 @@ function resolveParameterImpl<T = IDataObject>(
 	}
 
 	let _connectionInputData = connectionInputData(
+		connections,
 		parentNode,
 		contextNode!.name,
 		inputName,
 		runIndexParent,
-		getContextWorkflow,
 		shouldReplaceInputDataWithPinData,
 		pinData,
 		executionData?.data?.resultData.runData ?? null,
@@ -215,11 +220,11 @@ function resolveParameterImpl<T = IDataObject>(
 		// For Sub-Nodes connected to Trigger-Nodes use the data of the root-node
 		// (Gets for example used by the Memory connected to the Chat-Trigger-Node)
 		const _executeData = executeDataImpl(
+			connections,
 			[contextNode.name],
 			contextNode.name,
 			inputName,
 			0,
-			getContextWorkflow,
 			shouldReplaceInputDataWithPinData,
 			pinData,
 			executionData?.data?.resultData.runData ?? null,
@@ -265,11 +270,11 @@ function resolveParameterImpl<T = IDataObject>(
 		runIndexCurrent = workflowRunData[contextNode!.name].length - 1;
 	}
 	let _executeData = executeDataImpl(
+		connections,
 		parentNode,
 		contextNode!.name,
 		inputName,
 		runIndexCurrent,
-		getContextWorkflow,
 		shouldReplaceInputDataWithPinData,
 		pinData,
 		executionData?.data?.resultData.runData ?? null,
@@ -279,11 +284,11 @@ function resolveParameterImpl<T = IDataObject>(
 	if (!_executeData.source) {
 		// fallback to parent's run index for multi-output case
 		_executeData = executeDataImpl(
+			connections,
 			parentNode,
 			contextNode!.name,
 			inputName,
 			runIndexParent,
-			getContextWorkflow,
 			shouldReplaceInputDataWithPinData,
 			pinData,
 			executionData?.data?.resultData.runData ?? null,
@@ -310,6 +315,7 @@ export function resolveRequiredParameters(
 	currentParameter: INodeProperties,
 	parameters: INodeParameters,
 	opts: {
+		connections?: IConnections;
 		targetItem?: TargetItem;
 		inputNodeName?: string;
 		inputRunIndex?: number;
@@ -382,11 +388,11 @@ function getNodeTypes(): INodeTypes {
 // TODO: move to separate file
 // Returns connectionInputData to be able to execute an expression.
 function connectionInputData(
+	connections: IConnections,
 	parentNode: string[],
 	currentNode: string,
 	inputName: string,
 	runIndex: number,
-	getContextWorkflow: () => Workflow,
 	shouldReplaceInputDataWithPinData: boolean,
 	pinData: IPinData | undefined,
 	workflowRunData: IRunData | null,
@@ -394,11 +400,11 @@ function connectionInputData(
 ): INodeExecutionData[] | null {
 	let connectionInputData: INodeExecutionData[] | null = null;
 	const _executeData = executeDataImpl(
+		connections,
 		parentNode,
 		currentNode,
 		inputName,
 		runIndex,
-		getContextWorkflow,
 		shouldReplaceInputDataWithPinData,
 		pinData,
 		workflowRunData,
@@ -431,6 +437,7 @@ function connectionInputData(
 }
 
 export function executeData(
+	connections: IConnections,
 	parentNodes: string[],
 	currentNode: string,
 	inputName: string,
@@ -440,11 +447,11 @@ export function executeData(
 	const workflowsStore = useWorkflowsStore();
 
 	return executeDataImpl(
+		connections,
 		parentNodes,
 		currentNode,
 		inputName,
 		runIndex,
-		workflowsStore.getCurrentWorkflow,
 		workflowsStore.shouldReplaceInputDataWithPinData,
 		workflowsStore.pinnedWorkflowData,
 		workflowsStore.getWorkflowRunData,
@@ -454,16 +461,18 @@ export function executeData(
 
 // TODO: move to separate file
 function executeDataImpl(
+	connections: IConnections,
 	parentNodes: string[],
 	currentNode: string,
 	inputName: string,
 	runIndex: number,
-	getContextWorkflow: () => Workflow,
 	shouldReplaceInputDataWithPinData: boolean,
 	pinData: IPinData | undefined,
 	workflowRunData: IRunData | null,
 	parentRunIndex?: number,
 ): IExecuteData {
+	const connectionsByDestinationNode = workflowUtils.mapConnectionsByDestination(connections);
+
 	const executeData = {
 		node: {},
 		data: {},
@@ -507,15 +516,12 @@ function executeDataImpl(
 					[inputName]: workflowRunData[currentNode][runIndex].source,
 				};
 			} else {
-				const workflow = getContextWorkflow();
-
 				let previousNodeOutput: number | undefined;
 				// As the node can be connected through either of the outputs find the correct one
 				// and set it to make pairedItem work on not executed nodes
-				if (workflow.connectionsByDestinationNode[currentNode]?.main) {
+				if (connectionsByDestinationNode[currentNode]?.main) {
-					mainConnections: for (const mainConnections of workflow.connectionsByDestinationNode[
+					mainConnections: for (const mainConnections of connectionsByDestinationNode[currentNode]
-						currentNode
+						.main) {
-					].main) {
 						for (const connection of mainConnections ?? []) {
 							if (
 								connection.type === NodeConnectionTypes.Main &&

packages/frontend/editor-ui/src/stores/ndv.store.ts

@@ -149,9 +149,8 @@ export const useNDVStore = defineStore(STORES.NDV, () => {
 
 	const ndvNodeInputNumber = computed(() => {
 		const returnData: { [nodeName: string]: number[] } = {};
-		const workflow = workflowsStore.getCurrentWorkflow();
 		const activeNodeConections = (
-			workflow.connectionsByDestinationNode[activeNode.value?.name || ''] ?? {}
+			workflowsStore.connectionsByDestinationNode[activeNode.value?.name || ''] ?? {}
 		).main;
 
 		if (!activeNodeConections || activeNodeConections.length < 2) return returnData;

packages/frontend/editor-ui/src/stores/workflows.store.ts

@@ -66,6 +66,7 @@ import {
 	Workflow,
 	TelemetryHelpers,
 } from 'n8n-workflow';
+import * as workflowUtils from 'n8n-workflow/common';
 import findLast from 'lodash/findLast';
 import isEqual from 'lodash/isEqual';
 import pick from 'lodash/pick';
@@ -294,10 +295,17 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, () => {
 
 	const getPastChatMessages = computed(() => Array.from(new Set(chatMessages.value)));
 
+	/**
+	 * This section contains functions migrated from the workflow class
+	 */
+
+	const connectionsBySourceNode = computed(() => workflow.value.connections);
 	const connectionsByDestinationNode = computed(() =>
-		Workflow.getConnectionsByDestination(workflow.value.connections),
+		workflowUtils.mapConnectionsByDestination(workflow.value.connections),
 	);
 
+	// End section
+
 	const selectableTriggerNodes = computed(() =>
 		workflowTriggerNodes.value.filter((node) => !node.disabled && !isChatNode(node)),
 	);
@@ -384,7 +392,7 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, () => {
 	}
 
 	function getNodeByName(nodeName: string): INodeUi | null {
-		return nodesByName.value[nodeName] || null;
+		return workflowUtils.getNodeByName(nodesByName.value, nodeName);
 	}
 
 	function getNodeById(nodeId: string): INodeUi | undefined {
@@ -1955,6 +1963,8 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, () => {
 		getWorkflowResultDataByNodeName,
 		allConnections,
 		allNodes,
+		connectionsBySourceNode,
+		connectionsByDestinationNode,
 		isWaitingExecution,
 		isWorkflowRunning,
 		canvasNames,

packages/frontend/editor-ui/src/types/expressions.ts

@@ -1,5 +1,5 @@
 import type { Basic, IExecutionResponse } from '@/Interface';
-import type { IWorkflowDataProxyAdditionalKeys, Workflow } from 'n8n-workflow';
+import type { IConnections, IWorkflowDataProxyAdditionalKeys, Workflow } from 'n8n-workflow';
 
 type Range = { from: number; to: number };
 
@@ -40,6 +40,7 @@ export interface ExpressionLocalResolveContext {
 	envVars: Record<string, Basic>;
 	additionalKeys: IWorkflowDataProxyAdditionalKeys;
 	workflow: Workflow;
+	connections: IConnections;
 	execution: IExecutionResponse | null;
 	nodeName: string;
 	/**

packages/frontend/editor-ui/src/utils/nodeViewUtils.test.ts

@@ -23,6 +23,8 @@ import { SET_NODE_TYPE, STICKY_NODE_TYPE } from '@/constants';
 import { createTestNode } from '@/__tests__/mocks';
 import type { GraphNode } from '@vue-flow/core';
 import { v4 as uuid } from 'uuid';
+import { createTestingPinia } from '@pinia/testing';
+import { setActivePinia } from 'pinia';
 
 describe('getGenericHints', () => {
 	let mockWorkflowNode: MockProxy<INode>;
@@ -34,6 +36,9 @@ describe('getGenericHints', () => {
 	let hasNodeRun: boolean;
 
 	beforeEach(() => {
+		const pinia = createTestingPinia({});
+		setActivePinia(pinia);
+
 		mockWorkflowNode = mock<INode>();
 		mockNode = mock<INodeUi>({ type: 'test' });
 		mockNodeType = mock<INodeTypeDescription>();
@@ -55,8 +60,9 @@ describe('getGenericHints', () => {
 			nodeType: mockNodeType,
 			nodeOutputData: mockNodeOutputData,
 			hasMultipleInputItems,
-			workflow: mockWorkflow,
 			hasNodeRun,
+			nodes: [],
+			connections: {},
 		});
 
 		expect(hints).toEqual([
@@ -80,8 +86,9 @@ describe('getGenericHints', () => {
 			nodeType: mockNodeType,
 			nodeOutputData: mockNodeOutputData,
 			hasMultipleInputItems,
-			workflow: mockWorkflow,
 			hasNodeRun,
+			nodes: [],
+			connections: {},
 		});
 
 		expect(hints).toEqual([
@@ -118,8 +125,9 @@ describe('getGenericHints', () => {
 			nodeType: mockNodeType,
 			nodeOutputData: mockNodeOutputData,
 			hasMultipleInputItems,
-			workflow: mockWorkflow,
 			hasNodeRun,
+			nodes: [],
+			connections: {},
 		});
 
 		expect(hints).toEqual([
@@ -142,8 +150,9 @@ describe('getGenericHints', () => {
 			nodeType: mockNodeType,
 			nodeOutputData: mockNodeOutputData,
 			hasMultipleInputItems,
-			workflow: mockWorkflow,
 			hasNodeRun,
+			nodes: [],
+			connections: {},
 		});
 
 		expect(hints).toEqual([
@@ -166,8 +175,9 @@ describe('getGenericHints', () => {
 			nodeType: mockNodeType,
 			nodeOutputData: mockNodeOutputData,
 			hasMultipleInputItems,
-			workflow: mockWorkflow,
 			hasNodeRun,
+			nodes: [],
+			connections: {},
 		});
 
 		expect(hints).toEqual([
@@ -191,8 +201,9 @@ describe('getGenericHints', () => {
 			nodeType: mockNodeType,
 			nodeOutputData: mockNodeOutputData,
 			hasMultipleInputItems,
-			workflow: mockWorkflow,
 			hasNodeRun,
+			nodes: [],
+			connections: {},
 		});
 
 		expect(hints).toEqual([

packages/frontend/editor-ui/src/utils/nodeViewUtils.ts

@@ -11,11 +11,11 @@ import {
 import type { INodeUi, XYPosition } from '@/Interface';
 import type {
 	AssignmentCollectionValue,
+	IConnections,
 	INode,
 	INodeExecutionData,
 	INodeTypeDescription,
 	NodeHint,
-	Workflow,
 } from 'n8n-workflow';
 import { NodeHelpers, SEND_AND_WAIT_OPERATION } from 'n8n-workflow';
 import type { RouteLocation } from 'vue-router';
@@ -27,6 +27,7 @@ import {
 	type Rect,
 	type ViewportTransform,
 } from '@vue-flow/core';
+import * as workflowUtils from 'n8n-workflow/common';
 
 /*
  * Canvas constants and functions
@@ -371,7 +372,8 @@ export function getGenericHints({
 	nodeType,
 	nodeOutputData,
 	hasMultipleInputItems,
-	workflow,
+	nodes,
+	connections,
 	hasNodeRun,
 }: {
 	workflowNode: INode;
@@ -379,7 +381,8 @@ export function getGenericHints({
 	nodeType: INodeTypeDescription;
 	nodeOutputData: INodeExecutionData[];
 	hasMultipleInputItems: boolean;
-	workflow: Workflow;
+	nodes: INode[];
+	connections: IConnections;
 	hasNodeRun: boolean;
 }) {
 	const nodeHints: NodeHint[] = [];
@@ -417,7 +420,7 @@ export function getGenericHints({
 		hasMultipleInputItems &&
 		LIST_LIKE_NODE_OPERATIONS.includes((workflowNode.parameters.operation as string) || '')
 	) {
-		const executeOnce = workflow.getNode(node.name)?.executeOnce;
+		const executeOnce = workflowUtils.getNodeByName(nodes, node.name)?.executeOnce;
 		if (!executeOnce) {
 			nodeHints.push({
 				message:
@@ -429,7 +432,7 @@ export function getGenericHints({
 
 	// add sendAndWait hint
 	if (hasMultipleInputItems && workflowNode.parameters.operation === SEND_AND_WAIT_OPERATION) {
-		const executeOnce = workflow.getNode(node.name)?.executeOnce;
+		const executeOnce = workflowUtils.getNodeByName(nodes, node.name)?.executeOnce;
 		if (!executeOnce) {
 			nodeHints.push({
 				message: 'This action will run only once, for the first input item',
@@ -470,9 +473,8 @@ export function getGenericHints({
 
 	// Split In Batches setup hints
 	if (node.type === SPLIT_IN_BATCHES_NODE_TYPE) {
-		const { connectionsBySourceNode } = workflow;
+		const firstNodesInLoop =
-
+			workflowUtils.mapConnectionsByDestination(connections)[node.name]?.main[1] || [];
-		const firstNodesInLoop = connectionsBySourceNode[node.name]?.main[1] || [];
 
 		if (!firstNodesInLoop.length) {
 			nodeHints.push({
@@ -482,7 +484,7 @@ export function getGenericHints({
 			});
 		} else {
 			for (const nodeInConnection of firstNodesInLoop || []) {
-				const nodeChilds = workflow.getChildNodes(nodeInConnection.node) || [];
+				const nodeChilds = workflowUtils.getChildNodes(connections, nodeInConnection.node) || [];
 				if (!nodeChilds.includes(node.name)) {
 					nodeHints.push({
 						message:

packages/frontend/editor-ui/tsconfig.json

@@ -2,6 +2,7 @@
 	"extends": "@n8n/typescript-config/tsconfig.frontend.json",
 	"compilerOptions": {
 		"baseUrl": ".",
+		"moduleResolution": "bundler",
 		"rootDirs": [
 			".",
 			"../@n8n/rest-api-client/src",

packages/workflow/package.json

@@ -11,6 +11,11 @@
       "import": "./dist/esm/index.js",
       "require": "./dist/cjs/index.js"
     },
+    "./common": {
+      "types": "./dist/esm/common/index.d.ts",
+      "import": "./dist/esm/common/index.js",
+      "require": "./dist/cjs/common/index.js"
+    },
     "./*": "./*"
   },
   "scripts": {

packages/workflow/src/common/get-child-nodes.ts

@@ -0,0 +1,12 @@
+import { getConnectedNodes } from './get-connected-nodes';
+import { NodeConnectionTypes } from '../interfaces';
+import type { IConnections, NodeConnectionType } from '../interfaces';
+
+export function getChildNodes(
+	connectionsBySourceNode: IConnections,
+	nodeName: string,
+	type: NodeConnectionType | 'ALL' | 'ALL_NON_MAIN' = NodeConnectionTypes.Main,
+	depth = -1,
+): string[] {
+	return getConnectedNodes(connectionsBySourceNode, nodeName, type, depth);
+}

packages/workflow/src/common/get-connected-nodes.ts

@@ -0,0 +1,98 @@
+import { NodeConnectionTypes } from '../interfaces';
+import type { IConnections, NodeConnectionType } from '../interfaces';
+
+/**
+ * Gets all the nodes which are connected nodes starting from
+ * the given one
+ *
+ * @param {NodeConnectionType} [type='main']
+ * @param {*} [depth=-1]
+ */
+export function getConnectedNodes(
+	connections: IConnections,
+	nodeName: string,
+	connectionType: NodeConnectionType | 'ALL' | 'ALL_NON_MAIN' = NodeConnectionTypes.Main,
+	depth = -1,
+	checkedNodesIncoming?: string[],
+): string[] {
+	const newDepth = depth === -1 ? depth : depth - 1;
+	if (depth === 0) {
+		// Reached max depth
+		return [];
+	}
+
+	if (!connections.hasOwnProperty(nodeName)) {
+		// Node does not have incoming connections
+		return [];
+	}
+
+	let types: NodeConnectionType[];
+	if (connectionType === 'ALL') {
+		types = Object.keys(connections[nodeName]) as NodeConnectionType[];
+	} else if (connectionType === 'ALL_NON_MAIN') {
+		types = Object.keys(connections[nodeName]).filter(
+			(type) => type !== 'main',
+		) as NodeConnectionType[];
+	} else {
+		types = [connectionType];
+	}
+
+	let addNodes: string[];
+	let nodeIndex: number;
+	let i: number;
+	let parentNodeName: string;
+	const returnNodes: string[] = [];
+
+	types.forEach((type) => {
+		if (!connections[nodeName].hasOwnProperty(type)) {
+			// Node does not have incoming connections of given type
+			return;
+		}
+
+		const checkedNodes = checkedNodesIncoming ? [...checkedNodesIncoming] : [];
+
+		if (checkedNodes.includes(nodeName)) {
+			// Node got checked already before
+			return;
+		}
+
+		checkedNodes.push(nodeName);
+
+		connections[nodeName][type].forEach((connectionsByIndex) => {
+			connectionsByIndex?.forEach((connection) => {
+				if (checkedNodes.includes(connection.node)) {
+					// Node got checked already before
+					return;
+				}
+
+				returnNodes.unshift(connection.node);
+
+				addNodes = getConnectedNodes(
+					connections,
+					connection.node,
+					connectionType,
+					newDepth,
+					checkedNodes,
+				);
+
+				for (i = addNodes.length; i--; i > 0) {
+					// Because nodes can have multiple parents it is possible that
+					// parts of the tree is parent of both and to not add nodes
+					// twice check first if they already got added before.
+					parentNodeName = addNodes[i];
+					nodeIndex = returnNodes.indexOf(parentNodeName);
+
+					if (nodeIndex !== -1) {
+						// Node got found before so remove it from current location
+						// that node-order stays correct
+						returnNodes.splice(nodeIndex, 1);
+					}
+
+					returnNodes.unshift(parentNodeName);
+				}
+			});
+		});
+	});
+
+	return returnNodes;
+}

packages/workflow/src/common/get-node-by-name.ts

@@ -0,0 +1,19 @@
+import type { INode, INodes } from '../interfaces';
+
+/**
+ * Returns the node with the given name if it exists else null
+ *
+ * @param {INodes} nodes Nodes to search in
+ * @param {string} name Name of the node to return
+ */
+export function getNodeByName(nodes: INodes | INode[], name: string) {
+	if (Array.isArray(nodes)) {
+		return nodes.find((node) => node.name === name) || null;
+	}
+
+	if (nodes.hasOwnProperty(name)) {
+		return nodes[name];
+	}
+
+	return null;
+}

packages/workflow/src/common/get-parent-nodes.ts

@@ -0,0 +1,18 @@
+import { getConnectedNodes } from './get-connected-nodes';
+import { NodeConnectionTypes } from '../interfaces';
+import type { IConnections, NodeConnectionType } from '../interfaces';
+
+/**
+ * Returns all the nodes before the given one
+ *
+ * @param {NodeConnectionType} [type='main']
+ * @param {*} [depth=-1]
+ */
+export function getParentNodes(
+	connectionsByDestinationNode: IConnections,
+	nodeName: string,
+	type: NodeConnectionType | 'ALL' | 'ALL_NON_MAIN' = NodeConnectionTypes.Main,
+	depth = -1,
+): string[] {
+	return getConnectedNodes(connectionsByDestinationNode, nodeName, type, depth);
+}

packages/workflow/src/common/index.ts

@@ -0,0 +1,5 @@
+export * from './get-child-nodes';
+export * from './get-connected-nodes';
+export * from './get-node-by-name';
+export * from './get-parent-nodes';
+export * from './map-connections-by-destination';

packages/workflow/src/common/map-connections-by-destination.ts

@@ -0,0 +1,49 @@
+/* eslint-disable @typescript-eslint/no-for-in-array */
+
+import type { IConnections, NodeConnectionType } from '../interfaces';
+
+export function mapConnectionsByDestination(connections: IConnections) {
+	const returnConnection: IConnections = {};
+
+	let connectionInfo;
+	let maxIndex: number;
+	for (const sourceNode in connections) {
+		if (!connections.hasOwnProperty(sourceNode)) {
+			continue;
+		}
+
+		for (const type of Object.keys(connections[sourceNode]) as NodeConnectionType[]) {
+			if (!connections[sourceNode].hasOwnProperty(type)) {
+				continue;
+			}
+
+			for (const inputIndex in connections[sourceNode][type]) {
+				if (!connections[sourceNode][type].hasOwnProperty(inputIndex)) {
+					continue;
+				}
+
+				for (connectionInfo of connections[sourceNode][type][inputIndex] ?? []) {
+					if (!returnConnection.hasOwnProperty(connectionInfo.node)) {
+						returnConnection[connectionInfo.node] = {};
+					}
+					if (!returnConnection[connectionInfo.node].hasOwnProperty(connectionInfo.type)) {
+						returnConnection[connectionInfo.node][connectionInfo.type] = [];
+					}
+
+					maxIndex = returnConnection[connectionInfo.node][connectionInfo.type].length - 1;
+					for (let j = maxIndex; j < connectionInfo.index; j++) {
+						returnConnection[connectionInfo.node][connectionInfo.type].push([]);
+					}
+
+					returnConnection[connectionInfo.node][connectionInfo.type][connectionInfo.index]?.push({
+						node: sourceNode,
+						type,
+						index: parseInt(inputIndex, 10),
+					});
+				}
+			}
+		}
+	}
+
+	return returnConnection;
+}

packages/workflow/src/index.ts

@@ -5,6 +5,7 @@ import * as TelemetryHelpers from './telemetry-helpers';
 
 export * from './errors';
 export * from './constants';
+export * from './common';
 export * from './cron';
 export * from './deferred-promise';
 export * from './global-state';

packages/workflow/src/workflow.ts

@@ -1,6 +1,14 @@
 /* eslint-disable @typescript-eslint/no-unsafe-member-access */
 /* eslint-disable @typescript-eslint/no-unsafe-return */
 /* eslint-disable @typescript-eslint/no-for-in-array */
+import {
+	getNodeByName,
+	getConnectedNodes,
+	getChildNodes,
+	getParentNodes,
+	mapConnectionsByDestination,
+} from './common';
+
 import {
 	MANUAL_CHAT_TRIGGER_LANGCHAIN_NODE_TYPE,
 	NODES_WITH_RENAMABLE_CONTENT,
@@ -123,9 +131,7 @@ export class Workflow {
 		this.connectionsBySourceNode = parameters.connections;
 
 		// Save also the connections by the destination nodes
-		this.connectionsByDestinationNode = Workflow.getConnectionsByDestination(
+		this.connectionsByDestinationNode = mapConnectionsByDestination(parameters.connections);
-			parameters.connections,
-		);
 
 		this.active = parameters.active || false;
 
@@ -146,11 +152,6 @@ export class Workflow {
 		this.staticData.__dataChanged = true;
 	}
 
-	/**
-	 * The default connections are by source node. This function rewrites them by destination nodes
-	 * to easily find parent nodes.
-	 *
-	 */
 	static getConnectionsByDestination(connections: IConnections): IConnections {
 		const returnConnection: IConnections = {};
 
@@ -288,11 +289,7 @@ export class Workflow {
 	 * @param {string} nodeName Name of the node to return
 	 */
 	getNode(nodeName: string): INode | null {
-		if (this.nodes.hasOwnProperty(nodeName)) {
+		return getNodeByName(this.nodes, nodeName);
-			return this.nodes[nodeName];
-		}
-
-		return null;
 	}
 
 	/**
@@ -477,9 +474,7 @@ export class Workflow {
 		}
 
 		// Use the updated connections to create updated connections by destination nodes
-		this.connectionsByDestinationNode = Workflow.getConnectionsByDestination(
+		this.connectionsByDestinationNode = mapConnectionsByDestination(this.connectionsBySourceNode);
-			this.connectionsBySourceNode,
-		);
 	}
 
 	/**
@@ -576,7 +571,7 @@ export class Workflow {
 		type: NodeConnectionType | 'ALL' | 'ALL_NON_MAIN' = NodeConnectionTypes.Main,
 		depth = -1,
 	): string[] {
-		return this.getConnectedNodes(this.connectionsBySourceNode, nodeName, type, depth);
+		return getChildNodes(this.connectionsBySourceNode, nodeName, type, depth);
 	}
 
 	/**
@@ -590,7 +585,7 @@ export class Workflow {
 		type: NodeConnectionType | 'ALL' | 'ALL_NON_MAIN' = NodeConnectionTypes.Main,
 		depth = -1,
 	): string[] {
-		return this.getConnectedNodes(this.connectionsByDestinationNode, nodeName, type, depth);
+		return getParentNodes(this.connectionsByDestinationNode, nodeName, type, depth);
 	}
 
 	/**
@@ -607,87 +602,7 @@ export class Workflow {
 		depth = -1,
 		checkedNodesIncoming?: string[],
 	): string[] {
-		depth = depth === -1 ? -1 : depth;
+		return getConnectedNodes(connections, nodeName, connectionType, depth, checkedNodesIncoming);
-		const newDepth = depth === -1 ? depth : depth - 1;
-		if (depth === 0) {
-			// Reached max depth
-			return [];
-		}
-
-		if (!connections.hasOwnProperty(nodeName)) {
-			// Node does not have incoming connections
-			return [];
-		}
-
-		let types: NodeConnectionType[];
-		if (connectionType === 'ALL') {
-			types = Object.keys(connections[nodeName]) as NodeConnectionType[];
-		} else if (connectionType === 'ALL_NON_MAIN') {
-			types = Object.keys(connections[nodeName]).filter(
-				(type) => type !== 'main',
-			) as NodeConnectionType[];
-		} else {
-			types = [connectionType];
-		}
-
-		let addNodes: string[];
-		let nodeIndex: number;
-		let i: number;
-		let parentNodeName: string;
-		const returnNodes: string[] = [];
-
-		types.forEach((type) => {
-			if (!connections[nodeName].hasOwnProperty(type)) {
-				// Node does not have incoming connections of given type
-				return;
-			}
-
-			const checkedNodes = checkedNodesIncoming ? [...checkedNodesIncoming] : [];
-
-			if (checkedNodes.includes(nodeName)) {
-				// Node got checked already before
-				return;
-			}
-
-			checkedNodes.push(nodeName);
-
-			connections[nodeName][type].forEach((connectionsByIndex) => {
-				connectionsByIndex?.forEach((connection) => {
-					if (checkedNodes.includes(connection.node)) {
-						// Node got checked already before
-						return;
-					}
-
-					returnNodes.unshift(connection.node);
-
-					addNodes = this.getConnectedNodes(
-						connections,
-						connection.node,
-						connectionType,
-						newDepth,
-						checkedNodes,
-					);
-
-					for (i = addNodes.length; i--; i > 0) {
-						// Because nodes can have multiple parents it is possible that
-						// parts of the tree is parent of both and to not add nodes
-						// twice check first if they already got added before.
-						parentNodeName = addNodes[i];
-						nodeIndex = returnNodes.indexOf(parentNodeName);
-
-						if (nodeIndex !== -1) {
-							// Node got found before so remove it from current location
-							// that node-order stays correct
-							returnNodes.splice(nodeIndex, 1);
-						}
-
-						returnNodes.unshift(parentNodeName);
-					}
-				});
-			});
-		});
-
-		return returnNodes;
 	}
 
 	/**

packages/workflow/test/common.test.ts

@@ -0,0 +1,112 @@
+import type { IConnections, IConnection } from '../src/interfaces';
+import { NodeConnectionTypes } from '../src/interfaces';
+import { mapConnectionsByDestination } from '../src/common';
+
+describe('getConnectionsByDestination', () => {
+	it('should return empty object when there are no connections', () => {
+		const result = mapConnectionsByDestination({});
+
+		expect(result).toEqual({});
+	});
+
+	it('should return connections by destination node', () => {
+		const connections: IConnections = {
+			Node1: {
+				[NodeConnectionTypes.Main]: [
+					[
+						{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 },
+						{ node: 'Node3', type: NodeConnectionTypes.Main, index: 1 },
+					],
+				],
+			},
+		};
+		const result = mapConnectionsByDestination(connections);
+		expect(result).toEqual({
+			Node2: {
+				[NodeConnectionTypes.Main]: [[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 }]],
+			},
+			Node3: {
+				[NodeConnectionTypes.Main]: [
+					[],
+					[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 }],
+				],
+			},
+		});
+	});
+
+	it('should handle multiple connection types', () => {
+		const connections: IConnections = {
+			Node1: {
+				[NodeConnectionTypes.Main]: [[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }]],
+				[NodeConnectionTypes.AiAgent]: [
+					[{ node: 'Node3', type: NodeConnectionTypes.AiAgent, index: 0 }],
+				],
+			},
+		};
+
+		const result = mapConnectionsByDestination(connections);
+		expect(result).toEqual({
+			Node2: {
+				[NodeConnectionTypes.Main]: [[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 }]],
+			},
+			Node3: {
+				[NodeConnectionTypes.AiAgent]: [
+					[{ node: 'Node1', type: NodeConnectionTypes.AiAgent, index: 0 }],
+				],
+			},
+		});
+	});
+
+	it('should handle nodes with no connections', () => {
+		const connections: IConnections = {
+			Node1: {
+				[NodeConnectionTypes.Main]: [[]],
+			},
+		};
+
+		const result = mapConnectionsByDestination(connections);
+		expect(result).toEqual({});
+	});
+
+	// @issue https://linear.app/n8n/issue/N8N-7880/cannot-load-some-templates
+	it('should handle nodes with null connections', () => {
+		const connections: IConnections = {
+			Node1: {
+				[NodeConnectionTypes.Main]: [
+					null as unknown as IConnection[],
+					[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }],
+				],
+			},
+		};
+
+		const result = mapConnectionsByDestination(connections);
+		expect(result).toEqual({
+			Node2: {
+				[NodeConnectionTypes.Main]: [[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 1 }]],
+			},
+		});
+	});
+
+	it('should handle nodes with multiple input connections', () => {
+		const connections: IConnections = {
+			Node1: {
+				[NodeConnectionTypes.Main]: [[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }]],
+			},
+			Node3: {
+				[NodeConnectionTypes.Main]: [[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }]],
+			},
+		};
+
+		const result = mapConnectionsByDestination(connections);
+		expect(result).toEqual({
+			Node2: {
+				[NodeConnectionTypes.Main]: [
+					[
+						{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 },
+						{ node: 'Node3', type: NodeConnectionTypes.Main, index: 0 },
+					],
+				],
+			},
+		});
+	});
+});

packages/workflow/test/workflow.test.ts

@@ -2106,127 +2106,6 @@ describe('Workflow', () => {
 		});
 	});
 
-	describe('getConnectionsByDestination', () => {
-		it('should return empty object when there are no connections', () => {
-			const result = Workflow.getConnectionsByDestination({});
-
-			expect(result).toEqual({});
-		});
-
-		it('should return connections by destination node', () => {
-			const connections: IConnections = {
-				Node1: {
-					[NodeConnectionTypes.Main]: [
-						[
-							{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 },
-							{ node: 'Node3', type: NodeConnectionTypes.Main, index: 1 },
-						],
-					],
-				},
-			};
-			const result = Workflow.getConnectionsByDestination(connections);
-			expect(result).toEqual({
-				Node2: {
-					[NodeConnectionTypes.Main]: [
-						[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-				},
-				Node3: {
-					[NodeConnectionTypes.Main]: [
-						[],
-						[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-				},
-			});
-		});
-
-		it('should handle multiple connection types', () => {
-			const connections: IConnections = {
-				Node1: {
-					[NodeConnectionTypes.Main]: [
-						[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-					[NodeConnectionTypes.AiAgent]: [
-						[{ node: 'Node3', type: NodeConnectionTypes.AiAgent, index: 0 }],
-					],
-				},
-			};
-
-			const result = Workflow.getConnectionsByDestination(connections);
-			expect(result).toEqual({
-				Node2: {
-					[NodeConnectionTypes.Main]: [
-						[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-				},
-				Node3: {
-					[NodeConnectionTypes.AiAgent]: [
-						[{ node: 'Node1', type: NodeConnectionTypes.AiAgent, index: 0 }],
-					],
-				},
-			});
-		});
-
-		it('should handle nodes with no connections', () => {
-			const connections: IConnections = {
-				Node1: {
-					[NodeConnectionTypes.Main]: [[]],
-				},
-			};
-
-			const result = Workflow.getConnectionsByDestination(connections);
-			expect(result).toEqual({});
-		});
-
-		// @issue https://linear.app/n8n/issue/N8N-7880/cannot-load-some-templates
-		it('should handle nodes with null connections', () => {
-			const connections: IConnections = {
-				Node1: {
-					[NodeConnectionTypes.Main]: [
-						null as unknown as IConnection[],
-						[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-				},
-			};
-
-			const result = Workflow.getConnectionsByDestination(connections);
-			expect(result).toEqual({
-				Node2: {
-					[NodeConnectionTypes.Main]: [
-						[{ node: 'Node1', type: NodeConnectionTypes.Main, index: 1 }],
-					],
-				},
-			});
-		});
-
-		it('should handle nodes with multiple input connections', () => {
-			const connections: IConnections = {
-				Node1: {
-					[NodeConnectionTypes.Main]: [
-						[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-				},
-				Node3: {
-					[NodeConnectionTypes.Main]: [
-						[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }],
-					],
-				},
-			};
-
-			const result = Workflow.getConnectionsByDestination(connections);
-			expect(result).toEqual({
-				Node2: {
-					[NodeConnectionTypes.Main]: [
-						[
-							{ node: 'Node1', type: NodeConnectionTypes.Main, index: 0 },
-							{ node: 'Node3', type: NodeConnectionTypes.Main, index: 0 },
-						],
-					],
-				},
-			});
-		});
-	});
-
 	describe('getHighestNode', () => {
 		const createNode = (name: string, disabled = false) =>
 			({

patches/@lezer__highlight.patch

@@ -0,0 +1,12 @@
+diff --git a/package.json b/package.json
+index 2d52edb23f0c7defdfbf5f95ad1ee1fa75672b41..8d9dcbdc07cb5c73e629e22696235b19db98940d 100644
+--- a/package.json
++++ b/package.json
+@@ -5,6 +5,7 @@
+   "main": "dist/index.cjs",
+   "type": "module",
+   "exports": {
++    "types": "./dist/highlight.d.ts",
+     "import": "./dist/index.js",
+     "require": "./dist/index.cjs"
+   },

pnpm-lock.yaml

@@ -204,6 +204,9 @@ overrides:
   date-fns-tz: 2.0.0
 
 patchedDependencies:
+  '@lezer/highlight':
+    hash: 97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c
+    path: patches/@lezer__highlight.patch
   '@types/express-serve-static-core@5.0.6':
     hash: d602248fcd302cf5a794d1e85a411633ba9635ea5d566d6f2e0429c7ae0fa3eb
     path: patches/@types__express-serve-static-core@5.0.6.patch
@@ -590,7 +593,7 @@ importers:
         version: 6.9.3
       '@lezer/highlight':
         specifier: '*'
-        version: 1.1.1
+        version: 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr':
         specifier: ^1.4.0
         version: 1.4.0
@@ -18284,7 +18287,7 @@ snapshots:
       '@codemirror/state': 6.4.1
       '@codemirror/view': 6.26.3
       '@lezer/common': 1.1.0
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
       style-mod: 4.1.0
 
@@ -18293,7 +18296,7 @@ snapshots:
       '@codemirror/state': 6.3.3
       '@codemirror/view': 6.22.3
       '@lezer/common': 1.1.0
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
       style-mod: 4.1.0
 
@@ -19467,7 +19470,7 @@ snapshots:
 
   '@lezer/css@1.1.1':
     dependencies:
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
 
   '@lezer/generator@1.7.0':
@@ -19475,24 +19478,24 @@ snapshots:
       '@lezer/common': 1.1.0
       '@lezer/lr': 1.4.0
 
-  '@lezer/highlight@1.1.1':
+  '@lezer/highlight@1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)':
     dependencies:
       '@lezer/common': 1.1.0
 
   '@lezer/html@1.3.0':
     dependencies:
       '@lezer/common': 1.1.0
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
 
   '@lezer/javascript@1.0.2':
     dependencies:
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
 
   '@lezer/json@1.0.0':
     dependencies:
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
 
   '@lezer/lr@1.4.0':
@@ -19501,7 +19504,7 @@ snapshots:
 
   '@lezer/python@1.1.5':
     dependencies:
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
 
   '@mdx-js/react@3.0.1(@types/react@18.0.27)(react@18.2.0)':
@@ -19605,7 +19608,7 @@ snapshots:
       '@codemirror/autocomplete': 6.16.0(@codemirror/language@6.10.1)(@codemirror/state@6.4.1)(@codemirror/view@6.26.3)(@lezer/common@1.1.0)
       '@codemirror/language': 6.10.1
       '@codemirror/state': 6.4.1
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/lr': 1.4.0
     transitivePeerDependencies:
       - '@codemirror/view'
@@ -23724,7 +23727,7 @@ snapshots:
       '@codemirror/view': 6.26.3
       '@lezer/common': 1.1.0
       '@lezer/css': 1.1.1
-      '@lezer/highlight': 1.1.1
+      '@lezer/highlight': 1.1.1(patch_hash=97f85e6fe46f23015ea0dd420e33d584bc2dc71633910cf131321da31b27ca8c)
       '@lezer/html': 1.3.0
       '@lezer/lr': 1.4.0