ci: Validate load options methods in nodes-base

packages/core/bin/generate-ui-types

@@ -9,25 +9,68 @@ LoggerProxy.init({
 	warn: console.warn.bind(console),
 });
 
+function findReferencedMethods(obj, refs = {}, latestName = '') {
+	for (const key in obj) {
+		if (key === 'name' && 'group' in obj) {
+			latestName = obj[key];
+		}
+
+		if (typeof obj[key] === 'object') {
+			findReferencedMethods(obj[key], refs, latestName);
+		}
+
+		if (key === 'loadOptionsMethod') {
+			refs[latestName] = refs[latestName]
+				? [...new Set([...refs[latestName], obj[key]])]
+				: [obj[key]];
+		}
+	}
+
+	return refs;
+}
+
 (async () => {
 	const loader = new PackageDirectoryLoader(packageDir);
-	await loader.loadAll();
+	await loader.loadAll({ withLoadOptionsMethods: true });
 
 	const credentialTypes = Object.values(loader.credentialTypes).map((data) => data.type);
 
-	const nodeTypes = Object.values(loader.nodeTypes)
+	const loaderNodeTypes = Object.values(loader.nodeTypes);
+
+	const definedMethods = loaderNodeTypes.reduce((acc, cur) => {
+		NodeHelpers.getVersionedNodeTypeAll(cur.type).forEach((type) => {
+			const methods = type.description?.__loadOptionsMethods;
+
+			if (!methods) return;
+
+			const { name } = type.description;
+
+			acc[name] = acc[name] ? acc[name].push(methods) : methods;
+		});
+
+		return acc;
+	}, {});
+
+	const nodeTypes = loaderNodeTypes
 		.map((data) => {
 			const nodeType = NodeHelpers.getVersionedNodeType(data.type);
 			NodeHelpers.applySpecialNodeParameters(nodeType);
 			return data.type;
 		})
 		.flatMap((nodeData) => {
-			const allNodeTypes = NodeHelpers.getVersionedNodeTypeAll(nodeData);
-			return allNodeTypes.map((element) => element.description);
+			return NodeHelpers.getVersionedNodeTypeAll(nodeData).map((item) => {
+				const { __loadOptionsMethods, ...rest } = item.description;
+
+				return rest;
+			});
 		});
 
+	const referencedMethods = findReferencedMethods(nodeTypes);
+
 	await Promise.all([
 		writeJSON('types/credentials.json', credentialTypes),
 		writeJSON('types/nodes.json', nodeTypes),
+		writeJSON('methods/defined.json', definedMethods),
+		writeJSON('methods/referenced.json', referencedMethods),
 	]);
 })();

packages/core/src/DirectoryLoader.ts

@@ -44,6 +44,8 @@ export abstract class DirectoryLoader {
 
 	types: Types = { nodes: [], credentials: [] };
 
+	withLoadOptionsMethods = false; // only for validation during build
+
 	constructor(
 		readonly directory: string,
 		protected readonly excludeNodes: string[] = [],
@@ -103,6 +105,7 @@ export abstract class DirectoryLoader {
 			const currentVersionNode = tempNode.nodeVersions[tempNode.currentVersion];
 			this.addCodex({ node: currentVersionNode, filePath, isCustom });
 			nodeVersion = tempNode.currentVersion;
+			if (this.withLoadOptionsMethods) this.addLoadOptionsMethods(currentVersionNode);
 
 			if (currentVersionNode.hasOwnProperty('executeSingle')) {
 				Logger.warn(
@@ -111,6 +114,7 @@ export abstract class DirectoryLoader {
 				);
 			}
 		} else {
+			if (this.withLoadOptionsMethods) this.addLoadOptionsMethods(tempNode);
 			// Short renaming to avoid type issues
 
 			nodeVersion = Array.isArray(tempNode.description.version)
@@ -244,6 +248,12 @@ export abstract class DirectoryLoader {
 		}
 	}
 
+	private addLoadOptionsMethods(node: INodeType) {
+		if (node?.methods?.loadOptions) {
+			node.description.__loadOptionsMethods = Object.keys(node.methods.loadOptions);
+		}
+	}
+
 	private fixIconPath(
 		obj: INodeTypeDescription | INodeTypeBaseDescription | ICredentialType,
 		filePath: string,
@@ -296,7 +306,9 @@ export class PackageDirectoryLoader extends DirectoryLoader {
 		this.packageName = this.packageJson.name;
 	}
 
-	override async loadAll() {
+	override async loadAll(options = { withLoadOptionsMethods: false }) {
+		this.withLoadOptionsMethods = options.withLoadOptionsMethods;
+
 		await this.readPackageJson();
 
 		const { n8n } = this.packageJson;

packages/nodes-base/nodes/FreshworksCrm/descriptions/ContactDescription.ts

@@ -508,9 +508,6 @@ export const contactFields: INodeProperties[] = [
 				name: 'lead_source_id',
 				type: 'options',
 				default: '',
-				typeOptions: {
-					loadOptionsMethod: 'getLeadSources',
-				},
 				description:
 					'ID of the source where contact came from. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
 			},
@@ -580,9 +577,6 @@ export const contactFields: INodeProperties[] = [
 				name: 'subscription_status',
 				type: 'options',
 				default: '',
-				typeOptions: {
-					loadOptionsMethod: 'getSubscriptionStatuses',
-				},
 				description:
 					'Status of subscription that the contact is in. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
 			},
@@ -591,9 +585,6 @@ export const contactFields: INodeProperties[] = [
 				name: 'subscription_types',
 				type: 'options',
 				default: '',
-				typeOptions: {
-					loadOptionsMethod: 'getSubscriptionTypes',
-				},
 				description:
 					'Type of subscription that the contact is in. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
 			},

packages/nodes-base/nodes/Paddle/PaymentDescription.ts

@@ -184,7 +184,7 @@ export const paymentFields: INodeProperties[] = [
 		name: 'paymentId',
 		type: 'options',
 		typeOptions: {
-			loadOptionsMethod: 'getpayment',
+			loadOptionsMethod: 'getPayments',
 		},
 		default: '',
 		required: true,

packages/nodes-base/package.json

@@ -21,7 +21,7 @@
     "build:translations": "gulp build:translations",
     "build:metadata": "pnpm n8n-generate-known && pnpm n8n-generate-ui-types",
     "format": "prettier --write . --ignore-path ../../.prettierignore",
-    "lint": "eslint --quiet nodes credentials",
+    "lint": "eslint --quiet nodes credentials; node ./scripts/validate-load-options-methods.js",
     "lintfix": "eslint nodes credentials --fix",
     "watch": "tsc-watch -p tsconfig.build.json --onSuccess \"pnpm n8n-generate-ui-types\"",
     "test": "jest"

packages/nodes-base/scripts/validate-load-options-methods.js

@@ -0,0 +1,43 @@
+let referencedMethods;
+let definedMethods;
+
+try {
+	referencedMethods = require('../dist/methods/referenced.json');
+	definedMethods = require('../dist/methods/defined.json');
+} catch (error) {
+	console.error(
+		'Failed to find methods to validate. Please run `npm run n8n-generate-ui-types` first.',
+	);
+	process.exit(1);
+}
+
+const compareMethods = (base, other) => {
+	const result = [];
+
+	for (const [nodeName, methods] of Object.entries(base)) {
+		if (nodeName in other) {
+			const found = methods.filter((item) => !other[nodeName].includes(item));
+
+			if (found.length > 0) result.push({ [nodeName]: found });
+		}
+	}
+
+	return result;
+};
+
+const referencedButUndefined = compareMethods(referencedMethods, definedMethods);
+
+if (referencedButUndefined.length > 0) {
+	console.error('ERROR: The following load options methods are referenced but undefined.');
+	console.error('Please fix or remove the references or define the methods.');
+	console.error(referencedButUndefined);
+	process.exit(1);
+}
+
+const definedButUnused = compareMethods(definedMethods, referencedMethods);
+
+if (definedButUnused.length > 0) {
+	console.warn('Warning: The following load options methods are defined but unused.');
+	console.warn('Please consider using or removing the methods.');
+	console.warn(definedButUnused);
+}

packages/workflow/src/Interfaces.ts

@@ -1430,6 +1430,7 @@ export interface INodeTypeDescription extends INodeTypeBaseDescription {
 			  };
 	};
 	actions?: INodeActionTypeDescription[];
+	__loadOptionsMethods?: string[]; // only for validation during build
 }
 
 export interface INodeHookDescription {