n8n-mcp
Version:
Integration between n8n workflow automation and Model Context Protocol (MCP)
129 lines • 4.94 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseVersion = parseVersion;
exports.compareVersions = compareVersions;
exports.getSupportedN8nVersion = getSupportedN8nVersion;
exports.getVersionCompatibilityStatus = getVersionCompatibilityStatus;
exports.formatVersion = formatVersion;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const logger_1 = require("./logger");
function parseVersion(version) {
const cleanVersion = version.replace(/^[v^~]/, '');
const match = cleanVersion.match(/^(\d+)\.(\d+)\.(\d+)/);
if (!match) {
logger_1.logger.warn(`Failed to parse version: ${version}`);
return null;
}
return {
major: parseInt(match[1], 10),
minor: parseInt(match[2], 10),
patch: parseInt(match[3], 10)
};
}
function compareVersions(v1, v2) {
if (v1.major !== v2.major) {
return v1.major > v2.major ? 1 : -1;
}
if (v1.minor !== v2.minor) {
return v1.minor > v2.minor ? 1 : -1;
}
if (v1.patch !== v2.patch) {
return v1.patch > v2.patch ? 1 : -1;
}
return 0;
}
let cachedSupportedVersion = null;
function getSupportedN8nVersion() {
if (cachedSupportedVersion) {
return cachedSupportedVersion;
}
try {
const packageJsonPath = path.join(__dirname, '..', '..', 'package.json');
const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
const n8nVersion = packageJson.dependencies?.n8n;
if (!n8nVersion) {
logger_1.logger.warn('n8n dependency not found in package.json');
return null;
}
const cleanedVersion = n8nVersion.replace(/^[^0-9]*/, '');
cachedSupportedVersion = cleanedVersion;
return cleanedVersion;
}
catch (error) {
logger_1.logger.error('Failed to read supported n8n version from package.json', error);
return null;
}
}
function getVersionCompatibilityStatus(instanceVersion, supportedVersion) {
if (!instanceVersion || !supportedVersion) {
return {
status: 'unknown',
warning: 'Unable to determine version compatibility - version information missing'
};
}
const instanceV = parseVersion(instanceVersion);
const supportedV = parseVersion(supportedVersion);
if (!instanceV || !supportedV) {
return {
status: 'unknown',
warning: 'Unable to parse version numbers for comparison'
};
}
const comparison = compareVersions(instanceV, supportedV);
if (instanceV.major === supportedV.major && instanceV.minor === supportedV.minor) {
return { status: 'compatible' };
}
if (comparison > 0) {
return {
status: 'outdated_mcp',
warning: `Your n8n instance (${instanceVersion}) is newer than what this MCP version supports (${supportedVersion}). Some nodes may not work correctly. Please update n8n-mcp to the latest version.`
};
}
if (comparison < 0) {
return {
status: 'outdated_n8n',
warning: `Your n8n instance (${instanceVersion}) is older than what this MCP version supports (${supportedVersion}). Please update your n8n instance to version ${supportedVersion} or newer for best compatibility.`
};
}
return { status: 'compatible' };
}
function formatVersion(version) {
if (!version)
return 'unknown';
return version.startsWith('v') ? version : `v${version}`;
}
//# sourceMappingURL=version-utils.js.map