mirror of
https://github.com/czlonkowski/n8n-mcp.git
synced 2026-01-30 06:22:04 +00:00
562f4b0c4e
* feat: add _cnd conditional operator support and n8n 2.0+ executeWorkflowTrigger fix Added: - Support for all 12 _cnd operators in displayOptions validation (eq, not, gte, lte, gt, lt, between, startsWith, endsWith, includes, regex, exists) - Version-based visibility checking with @version in config - 42 new unit tests for _cnd operators Fixed: - n8n 2.0+ breaking change: executeWorkflowTrigger now recognized as activatable trigger - Removed outdated validation blocking Execute Workflow Trigger workflows 🤖 Generated with [Claude Code](https://claude.com/claude-code) Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix: harden _cnd operators and add edge case tests - Add try/catch for invalid regex patterns in regex operator - Add structure validation for between operator (from/to fields) - Add 5 new edge case tests for invalid inputs - Bump version to 2.30.1 - Resolve merge conflict with main (n8n 2.0 update) Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix: update workflow activation tests for n8n 2.0+ executeWorkflowTrigger - Update test to expect SUCCESS for executeWorkflowTrigger-only workflows - Remove outdated assertion about "executeWorkflowTrigger cannot activate" - executeWorkflowTrigger is now a valid activatable trigger in n8n 2.0+ Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * test: skip flaky versionId test pending n8n 2.0 investigation The versionId behavior appears to have changed in n8n 2.0 - simple name updates may no longer trigger versionId changes. This needs investigation but is unrelated to the _cnd operator PR. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> --------- Co-authored-by: Romuald Członkowski <romualdczlonkowski@MacBook-Pro-Romuald.local> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
483 lines
23 KiB
JavaScript
483 lines
23 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.defaultWorkflowSettings = exports.workflowSettingsSchema = exports.workflowConnectionSchema = exports.workflowNodeSchema = void 0;
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exports.validateWorkflowNode = validateWorkflowNode;
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exports.validateWorkflowConnections = validateWorkflowConnections;
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exports.validateWorkflowSettings = validateWorkflowSettings;
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exports.cleanWorkflowForCreate = cleanWorkflowForCreate;
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exports.cleanWorkflowForUpdate = cleanWorkflowForUpdate;
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exports.validateWorkflowStructure = validateWorkflowStructure;
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exports.hasWebhookTrigger = hasWebhookTrigger;
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exports.validateFilterBasedNodeMetadata = validateFilterBasedNodeMetadata;
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exports.validateOperatorStructure = validateOperatorStructure;
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exports.getWebhookUrl = getWebhookUrl;
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exports.getWorkflowStructureExample = getWorkflowStructureExample;
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exports.getWorkflowFixSuggestions = getWorkflowFixSuggestions;
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const zod_1 = require("zod");
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const node_type_utils_1 = require("../utils/node-type-utils");
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const node_classification_1 = require("../utils/node-classification");
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exports.workflowNodeSchema = zod_1.z.object({
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id: zod_1.z.string(),
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name: zod_1.z.string(),
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type: zod_1.z.string(),
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typeVersion: zod_1.z.number(),
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position: zod_1.z.tuple([zod_1.z.number(), zod_1.z.number()]),
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parameters: zod_1.z.record(zod_1.z.unknown()),
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credentials: zod_1.z.record(zod_1.z.unknown()).optional(),
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disabled: zod_1.z.boolean().optional(),
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notes: zod_1.z.string().optional(),
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notesInFlow: zod_1.z.boolean().optional(),
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continueOnFail: zod_1.z.boolean().optional(),
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retryOnFail: zod_1.z.boolean().optional(),
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maxTries: zod_1.z.number().optional(),
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waitBetweenTries: zod_1.z.number().optional(),
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alwaysOutputData: zod_1.z.boolean().optional(),
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executeOnce: zod_1.z.boolean().optional(),
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});
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const connectionArraySchema = zod_1.z.array(zod_1.z.array(zod_1.z.object({
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node: zod_1.z.string(),
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type: zod_1.z.string(),
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index: zod_1.z.number(),
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})));
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exports.workflowConnectionSchema = zod_1.z.record(zod_1.z.object({
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main: connectionArraySchema.optional(),
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error: connectionArraySchema.optional(),
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ai_tool: connectionArraySchema.optional(),
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ai_languageModel: connectionArraySchema.optional(),
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ai_memory: connectionArraySchema.optional(),
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ai_embedding: connectionArraySchema.optional(),
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ai_vectorStore: connectionArraySchema.optional(),
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}));
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exports.workflowSettingsSchema = zod_1.z.object({
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executionOrder: zod_1.z.enum(['v0', 'v1']).default('v1'),
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timezone: zod_1.z.string().optional(),
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saveDataErrorExecution: zod_1.z.enum(['all', 'none']).default('all'),
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saveDataSuccessExecution: zod_1.z.enum(['all', 'none']).default('all'),
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saveManualExecutions: zod_1.z.boolean().default(true),
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saveExecutionProgress: zod_1.z.boolean().default(true),
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executionTimeout: zod_1.z.number().optional(),
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errorWorkflow: zod_1.z.string().optional(),
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callerPolicy: zod_1.z.enum(['any', 'workflowsFromSameOwner', 'workflowsFromAList']).optional(),
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availableInMCP: zod_1.z.boolean().optional(),
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});
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exports.defaultWorkflowSettings = {
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executionOrder: 'v1',
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saveDataErrorExecution: 'all',
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saveDataSuccessExecution: 'all',
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saveManualExecutions: true,
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saveExecutionProgress: true,
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};
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function validateWorkflowNode(node) {
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return exports.workflowNodeSchema.parse(node);
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}
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function validateWorkflowConnections(connections) {
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return exports.workflowConnectionSchema.parse(connections);
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}
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function validateWorkflowSettings(settings) {
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return exports.workflowSettingsSchema.parse(settings);
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}
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function cleanWorkflowForCreate(workflow) {
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const { id, createdAt, updatedAt, versionId, meta, active, tags, ...cleanedWorkflow } = workflow;
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if (!cleanedWorkflow.settings || Object.keys(cleanedWorkflow.settings).length === 0) {
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cleanedWorkflow.settings = exports.defaultWorkflowSettings;
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}
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return cleanedWorkflow;
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}
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function cleanWorkflowForUpdate(workflow) {
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const { id, createdAt, updatedAt, versionId, versionCounter, meta, staticData, pinData, tags, description, isArchived, usedCredentials, sharedWithProjects, triggerCount, shared, active, activeVersionId, activeVersion, ...cleanedWorkflow } = workflow;
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const ALL_KNOWN_SETTINGS_PROPERTIES = new Set([
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'saveExecutionProgress',
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'saveManualExecutions',
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'saveDataErrorExecution',
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'saveDataSuccessExecution',
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'executionTimeout',
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'errorWorkflow',
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'timezone',
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'executionOrder',
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'callerPolicy',
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'callerIds',
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'timeSavedPerExecution',
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'availableInMCP',
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]);
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if (cleanedWorkflow.settings && typeof cleanedWorkflow.settings === 'object') {
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const filteredSettings = {};
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for (const [key, value] of Object.entries(cleanedWorkflow.settings)) {
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if (ALL_KNOWN_SETTINGS_PROPERTIES.has(key)) {
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filteredSettings[key] = value;
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}
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}
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if (Object.keys(filteredSettings).length > 0) {
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cleanedWorkflow.settings = filteredSettings;
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}
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else {
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cleanedWorkflow.settings = { executionOrder: 'v1' };
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}
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}
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else {
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cleanedWorkflow.settings = { executionOrder: 'v1' };
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}
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return cleanedWorkflow;
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}
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function validateWorkflowStructure(workflow) {
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const errors = [];
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if (!workflow.name) {
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errors.push('Workflow name is required');
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}
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if (!workflow.nodes || workflow.nodes.length === 0) {
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errors.push('Workflow must have at least one node');
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}
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if (workflow.nodes && workflow.nodes.length > 0) {
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const hasExecutableNodes = workflow.nodes.some(node => !(0, node_classification_1.isNonExecutableNode)(node.type));
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if (!hasExecutableNodes) {
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errors.push('Workflow must have at least one executable node. Sticky notes alone cannot form a valid workflow.');
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}
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}
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if (!workflow.connections) {
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errors.push('Workflow connections are required');
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}
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if (workflow.nodes && workflow.nodes.length === 1) {
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const singleNode = workflow.nodes[0];
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const isWebhookOnly = singleNode.type === 'n8n-nodes-base.webhook' ||
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singleNode.type === 'n8n-nodes-base.webhookTrigger';
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if (!isWebhookOnly) {
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errors.push(`Single non-webhook node workflow is invalid. Current node: "${singleNode.name}" (${singleNode.type}). Add another node using: {type: 'addNode', node: {name: 'Process Data', type: 'n8n-nodes-base.set', typeVersion: 3.4, position: [450, 300], parameters: {}}}`);
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}
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}
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if (workflow.nodes && workflow.nodes.length > 1 && workflow.connections) {
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const executableNodes = workflow.nodes.filter(node => !(0, node_classification_1.isNonExecutableNode)(node.type));
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const connectionCount = Object.keys(workflow.connections).length;
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if (connectionCount === 0 && executableNodes.length > 1) {
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const nodeNames = executableNodes.slice(0, 2).map(n => n.name);
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errors.push(`Multi-node workflow has no connections between nodes. Add a connection using: {type: 'addConnection', source: '${nodeNames[0]}', target: '${nodeNames[1]}', sourcePort: 'main', targetPort: 'main'}`);
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}
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else if (connectionCount > 0 || executableNodes.length > 1) {
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const connectedNodes = new Set();
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Object.entries(workflow.connections).forEach(([sourceName, connection]) => {
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connectedNodes.add(sourceName);
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if (connection.main && Array.isArray(connection.main)) {
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connection.main.forEach((outputs) => {
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if (Array.isArray(outputs)) {
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outputs.forEach((target) => {
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connectedNodes.add(target.node);
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});
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}
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});
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}
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});
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const disconnectedNodes = workflow.nodes.filter(node => {
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if ((0, node_classification_1.isNonExecutableNode)(node.type)) {
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return false;
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}
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const isConnected = connectedNodes.has(node.name);
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const isNodeTrigger = (0, node_type_utils_1.isTriggerNode)(node.type);
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if (isNodeTrigger) {
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return !workflow.connections?.[node.name];
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}
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return !isConnected;
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});
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if (disconnectedNodes.length > 0) {
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const disconnectedList = disconnectedNodes.map(n => `"${n.name}" (${n.type})`).join(', ');
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const firstDisconnected = disconnectedNodes[0];
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const suggestedSource = workflow.nodes.find(n => connectedNodes.has(n.name))?.name || workflow.nodes[0].name;
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errors.push(`Disconnected nodes detected: ${disconnectedList}. Each node must have at least one connection. Add a connection: {type: 'addConnection', source: '${suggestedSource}', target: '${firstDisconnected.name}', sourcePort: 'main', targetPort: 'main'}`);
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}
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}
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}
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if (workflow.nodes) {
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workflow.nodes.forEach((node, index) => {
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try {
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validateWorkflowNode(node);
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if (node.type.startsWith('nodes-base.')) {
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errors.push(`Invalid node type "${node.type}" at index ${index}. Use "n8n-nodes-base.${node.type.substring(11)}" instead.`);
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}
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else if (!node.type.includes('.')) {
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errors.push(`Invalid node type "${node.type}" at index ${index}. Node types must include package prefix (e.g., "n8n-nodes-base.webhook").`);
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}
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}
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catch (error) {
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errors.push(`Invalid node at index ${index}: ${error instanceof Error ? error.message : 'Unknown error'}`);
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}
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});
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}
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if (workflow.nodes) {
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workflow.nodes.forEach((node, index) => {
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const filterErrors = validateFilterBasedNodeMetadata(node);
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if (filterErrors.length > 0) {
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errors.push(...filterErrors.map(err => `Node "${node.name}" (index ${index}): ${err}`));
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}
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});
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}
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if (workflow.connections) {
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try {
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validateWorkflowConnections(workflow.connections);
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}
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catch (error) {
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errors.push(`Invalid connections: ${error instanceof Error ? error.message : 'Unknown error'}`);
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}
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}
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if (workflow.active === true && workflow.nodes && workflow.nodes.length > 0) {
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const activatableTriggers = workflow.nodes.filter(node => !node.disabled && (0, node_type_utils_1.isActivatableTrigger)(node.type));
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if (activatableTriggers.length === 0) {
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errors.push('Cannot activate workflow: No activatable trigger nodes found. ' +
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'Workflows must have at least one enabled trigger node (webhook, schedule, executeWorkflowTrigger, etc.).');
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}
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}
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if (workflow.nodes && workflow.connections) {
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const switchNodes = workflow.nodes.filter(n => {
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if (n.type !== 'n8n-nodes-base.switch')
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return false;
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const mode = n.parameters?.mode;
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return !mode || mode === 'rules';
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});
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for (const switchNode of switchNodes) {
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const params = switchNode.parameters;
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const rules = params?.rules?.rules || [];
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const nodeConnections = workflow.connections[switchNode.name];
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if (rules.length > 0 && nodeConnections?.main) {
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const outputBranches = nodeConnections.main.length;
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if (outputBranches !== rules.length) {
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const ruleNames = rules.map((r, i) => r.outputKey ? `"${r.outputKey}" (index ${i})` : `Rule ${i}`).join(', ');
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errors.push(`Switch node "${switchNode.name}" has ${rules.length} rules [${ruleNames}] ` +
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`but only ${outputBranches} output branch${outputBranches !== 1 ? 'es' : ''} in connections. ` +
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`Each rule needs its own output branch. When connecting to Switch outputs, specify sourceIndex: ` +
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rules.map((_, i) => i).join(', ') +
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` (or use case parameter for clarity).`);
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}
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const nonEmptyBranches = nodeConnections.main.filter((branch) => branch.length > 0).length;
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if (nonEmptyBranches < rules.length) {
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const emptyIndices = nodeConnections.main
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.map((branch, i) => branch.length === 0 ? i : -1)
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.filter((i) => i !== -1 && i < rules.length);
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if (emptyIndices.length > 0) {
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const ruleInfo = emptyIndices.map((i) => {
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const rule = rules[i];
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return rule.outputKey ? `"${rule.outputKey}" (index ${i})` : `Rule ${i}`;
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}).join(', ');
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errors.push(`Switch node "${switchNode.name}" has unconnected output${emptyIndices.length !== 1 ? 's' : ''}: ${ruleInfo}. ` +
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`Add connection${emptyIndices.length !== 1 ? 's' : ''} using sourceIndex: ${emptyIndices.join(' or ')}.`);
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}
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}
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}
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}
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}
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if (workflow.nodes && workflow.connections) {
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const nodeNames = new Set(workflow.nodes.map(node => node.name));
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const nodeIds = new Set(workflow.nodes.map(node => node.id));
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const nodeIdToName = new Map(workflow.nodes.map(node => [node.id, node.name]));
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Object.entries(workflow.connections).forEach(([sourceName, connection]) => {
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if (!nodeNames.has(sourceName)) {
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if (nodeIds.has(sourceName)) {
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const correctName = nodeIdToName.get(sourceName);
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errors.push(`Connection uses node ID '${sourceName}' but must use node name '${correctName}'. Change connections.${sourceName} to connections['${correctName}']`);
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}
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else {
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errors.push(`Connection references non-existent node: ${sourceName}`);
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}
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}
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if (connection.main && Array.isArray(connection.main)) {
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connection.main.forEach((outputs, outputIndex) => {
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if (Array.isArray(outputs)) {
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outputs.forEach((target, targetIndex) => {
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if (!nodeNames.has(target.node)) {
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if (nodeIds.has(target.node)) {
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const correctName = nodeIdToName.get(target.node);
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errors.push(`Connection target uses node ID '${target.node}' but must use node name '${correctName}' (from ${sourceName}[${outputIndex}][${targetIndex}])`);
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}
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else {
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errors.push(`Connection references non-existent target node: ${target.node} (from ${sourceName}[${outputIndex}][${targetIndex}])`);
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}
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}
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});
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}
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});
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}
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});
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}
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return errors;
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}
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function hasWebhookTrigger(workflow) {
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return workflow.nodes.some(node => node.type === 'n8n-nodes-base.webhook' ||
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node.type === 'n8n-nodes-base.webhookTrigger');
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}
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function validateFilterBasedNodeMetadata(node) {
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const errors = [];
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const isIFNode = node.type === 'n8n-nodes-base.if' && node.typeVersion >= 2.2;
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const isSwitchNode = node.type === 'n8n-nodes-base.switch' && node.typeVersion >= 3.2;
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if (!isIFNode && !isSwitchNode) {
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return errors;
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}
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if (isIFNode) {
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const conditions = node.parameters.conditions;
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if (!conditions?.options) {
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errors.push('Missing required "conditions.options". ' +
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'IF v2.2+ requires: {version: 2, leftValue: "", caseSensitive: true, typeValidation: "strict"}');
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}
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else {
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const requiredFields = {
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version: 2,
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leftValue: '',
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caseSensitive: 'boolean',
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typeValidation: 'strict'
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};
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for (const [field, expectedValue] of Object.entries(requiredFields)) {
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if (!(field in conditions.options)) {
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errors.push(`Missing required field "conditions.options.${field}". ` +
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`Expected value: ${typeof expectedValue === 'string' ? `"${expectedValue}"` : expectedValue}`);
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}
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}
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}
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if (conditions?.conditions && Array.isArray(conditions.conditions)) {
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conditions.conditions.forEach((condition, i) => {
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const operatorErrors = validateOperatorStructure(condition.operator, `conditions.conditions[${i}].operator`);
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errors.push(...operatorErrors);
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});
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}
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}
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if (isSwitchNode) {
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const rules = node.parameters.rules;
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if (rules?.rules && Array.isArray(rules.rules)) {
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rules.rules.forEach((rule, ruleIndex) => {
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if (!rule.conditions?.options) {
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errors.push(`Missing required "rules.rules[${ruleIndex}].conditions.options". ` +
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'Switch v3.2+ requires: {version: 2, leftValue: "", caseSensitive: true, typeValidation: "strict"}');
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}
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else {
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const requiredFields = {
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version: 2,
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leftValue: '',
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caseSensitive: 'boolean',
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typeValidation: 'strict'
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};
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for (const [field, expectedValue] of Object.entries(requiredFields)) {
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if (!(field in rule.conditions.options)) {
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errors.push(`Missing required field "rules.rules[${ruleIndex}].conditions.options.${field}". ` +
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`Expected value: ${typeof expectedValue === 'string' ? `"${expectedValue}"` : expectedValue}`);
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}
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}
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}
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if (rule.conditions?.conditions && Array.isArray(rule.conditions.conditions)) {
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rule.conditions.conditions.forEach((condition, condIndex) => {
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const operatorErrors = validateOperatorStructure(condition.operator, `rules.rules[${ruleIndex}].conditions.conditions[${condIndex}].operator`);
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errors.push(...operatorErrors);
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});
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}
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});
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}
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}
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return errors;
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}
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function validateOperatorStructure(operator, path) {
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const errors = [];
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if (!operator || typeof operator !== 'object') {
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errors.push(`${path}: operator is missing or not an object`);
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return errors;
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}
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if (!operator.type) {
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errors.push(`${path}: missing required field "type". ` +
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'Must be a data type: "string", "number", "boolean", "dateTime", "array", or "object"');
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}
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else {
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const validTypes = ['string', 'number', 'boolean', 'dateTime', 'array', 'object'];
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if (!validTypes.includes(operator.type)) {
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errors.push(`${path}: invalid type "${operator.type}". ` +
|
|
`Type must be a data type (${validTypes.join(', ')}), not an operation name. ` +
|
|
'Did you mean to use the "operation" field?');
|
|
}
|
|
}
|
|
if (!operator.operation) {
|
|
errors.push(`${path}: missing required field "operation". ` +
|
|
'Operation specifies the comparison type (e.g., "equals", "contains", "isNotEmpty")');
|
|
}
|
|
if (operator.operation) {
|
|
const unaryOperators = ['isEmpty', 'isNotEmpty', 'true', 'false', 'isNumeric'];
|
|
const isUnary = unaryOperators.includes(operator.operation);
|
|
if (isUnary) {
|
|
if (operator.singleValue !== true) {
|
|
errors.push(`${path}: unary operator "${operator.operation}" requires "singleValue: true". ` +
|
|
'Unary operators do not use rightValue.');
|
|
}
|
|
}
|
|
else {
|
|
if (operator.singleValue === true) {
|
|
errors.push(`${path}: binary operator "${operator.operation}" should not have "singleValue: true". ` +
|
|
'Only unary operators (isEmpty, isNotEmpty, true, false, isNumeric) need this property.');
|
|
}
|
|
}
|
|
}
|
|
return errors;
|
|
}
|
|
function getWebhookUrl(workflow) {
|
|
const webhookNode = workflow.nodes.find(node => node.type === 'n8n-nodes-base.webhook' ||
|
|
node.type === 'n8n-nodes-base.webhookTrigger');
|
|
if (!webhookNode || !webhookNode.parameters) {
|
|
return null;
|
|
}
|
|
const path = webhookNode.parameters.path;
|
|
if (!path) {
|
|
return null;
|
|
}
|
|
return path;
|
|
}
|
|
function getWorkflowStructureExample() {
|
|
return `
|
|
Minimal Workflow Example:
|
|
{
|
|
"name": "My Workflow",
|
|
"nodes": [
|
|
{
|
|
"id": "manual-trigger-1",
|
|
"name": "Manual Trigger",
|
|
"type": "n8n-nodes-base.manualTrigger",
|
|
"typeVersion": 1,
|
|
"position": [250, 300],
|
|
"parameters": {}
|
|
},
|
|
{
|
|
"id": "set-1",
|
|
"name": "Set Data",
|
|
"type": "n8n-nodes-base.set",
|
|
"typeVersion": 3.4,
|
|
"position": [450, 300],
|
|
"parameters": {
|
|
"mode": "manual",
|
|
"assignments": {
|
|
"assignments": [{
|
|
"id": "1",
|
|
"name": "message",
|
|
"value": "Hello World",
|
|
"type": "string"
|
|
}]
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"connections": {
|
|
"Manual Trigger": {
|
|
"main": [[{
|
|
"node": "Set Data",
|
|
"type": "main",
|
|
"index": 0
|
|
}]]
|
|
}
|
|
}
|
|
}
|
|
|
|
IMPORTANT: In connections, use the node NAME (e.g., "Manual Trigger"), NOT the node ID or type!`;
|
|
}
|
|
function getWorkflowFixSuggestions(errors) {
|
|
const suggestions = [];
|
|
if (errors.some(e => e.includes('empty connections'))) {
|
|
suggestions.push('Add connections between your nodes. Each node (except endpoints) should connect to another node.');
|
|
suggestions.push('Connection format: connections: { "Source Node Name": { "main": [[{ "node": "Target Node Name", "type": "main", "index": 0 }]] } }');
|
|
}
|
|
if (errors.some(e => e.includes('Single-node workflows'))) {
|
|
suggestions.push('Add at least one more node to process data. Common patterns: Trigger → Process → Output');
|
|
suggestions.push('Examples: Manual Trigger → Set, Webhook → HTTP Request, Schedule Trigger → Database Query');
|
|
}
|
|
if (errors.some(e => e.includes('node ID') && e.includes('instead of node name'))) {
|
|
suggestions.push('Replace node IDs with node names in connections. The name is what appears in the node header.');
|
|
suggestions.push('Wrong: connections: { "set-1": {...} }, Right: connections: { "Set Data": {...} }');
|
|
}
|
|
return suggestions;
|
|
}
|
|
//# sourceMappingURL=n8n-validation.js.map
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