feat: Update Workflow class usage on the Frontend for better performance (no-changelog) (#17680)

packages/workflow/src/workflow.ts

@@ -67,9 +67,9 @@ export class Workflow {
 
 	nodes: INodes = {};
 
-	connectionsBySourceNode: IConnections;
+	connectionsBySourceNode: IConnections = {};
 
-	connectionsByDestinationNode: IConnections;
+	connectionsByDestinationNode: IConnections = {};
 
 	nodeTypes: INodeTypes;
 
@@ -77,7 +77,7 @@ export class Workflow {
 
 	active: boolean;
 
-	settings: IWorkflowSettings;
+	settings: IWorkflowSettings = {};
 
 	readonly timezone: string;
 
@@ -93,15 +93,9 @@ export class Workflow {
 		this.id = parameters.id as string; // @tech_debt Ensure this is not optional
 		this.name = parameters.name;
 		this.nodeTypes = parameters.nodeTypes;
-		this.pinData = parameters.pinData;
 
-		// Save nodes in workflow as object to be able to get the
-		// nodes easily by its name.
-		// Also directly add the default values of the node type.
 		let nodeType: INodeType | undefined;
 		for (const node of parameters.nodes) {
-			this.nodes[node.name] = node;
-
 			nodeType = this.nodeTypes.getByNameAndVersion(node.type, node.typeVersion);
 
 			if (nodeType === undefined) {
@@ -127,10 +121,11 @@ export class Workflow {
 			);
 			node.parameters = nodeParameters !== null ? nodeParameters : {};
 		}
-		this.connectionsBySourceNode = parameters.connections;
 
-		// Save also the connections by the destination nodes
-		this.connectionsByDestinationNode = mapConnectionsByDestination(parameters.connections);
+		this.setNodes(parameters.nodes);
+		this.setConnections(parameters.connections);
+		this.setPinData(parameters.pinData);
+		this.setSettings(parameters.settings ?? {});
 
 		this.active = parameters.active || false;
 
@@ -138,12 +133,32 @@ export class Workflow {
 			ignoreEmptyOnFirstChild: true,
 		});
 
-		this.settings = parameters.settings || {};
 		this.timezone = this.settings.timezone ?? getGlobalState().defaultTimezone;
 
 		this.expression = new Expression(this);
 	}
 
+	// Save nodes in workflow as object to be able to get the nodes easily by their name.
+	setNodes(nodes: INode[]) {
+		this.nodes = {};
+		for (const node of nodes) {
+			this.nodes[node.name] = node;
+		}
+	}
+
+	setConnections(connections: IConnections) {
+		this.connectionsBySourceNode = connections;
+		this.connectionsByDestinationNode = mapConnectionsByDestination(this.connectionsBySourceNode);
+	}
+
+	setPinData(pinData: IPinData | undefined) {
+		this.pinData = pinData;
+	}
+
+	setSettings(settings: IWorkflowSettings) {
+		this.settings = settings;
+	}
+
 	overrideStaticData(staticData?: IDataObject) {
 		this.staticData = ObservableObject.create(staticData || {}, undefined, {
 			ignoreEmptyOnFirstChild: true,
@@ -471,9 +486,6 @@ export class Workflow {
 				}
 			}
 		}
-
-		// Use the updated connections to create updated connections by destination nodes
-		this.connectionsByDestinationNode = mapConnectionsByDestination(this.connectionsBySourceNode);
 	}
 
 	/**