mirror of
https://github.com/czlonkowski/n8n-mcp.git
synced 2026-03-19 08:53:09 +00:00
chore: add pre-built dist folder for npx usage
This commit is contained in:
thesved
committed by
Romuald Członkowski
Romuald Członkowski
parent
a70d96a373
commit
5057481e70
377
dist/utils/node-source-extractor.js
vendored
Normal file
377
dist/utils/node-source-extractor.js
vendored
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@@ -0,0 +1,377 @@
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"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || (function () {
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var ownKeys = function(o) {
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ownKeys = Object.getOwnPropertyNames || function (o) {
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var ar = [];
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for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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return ar;
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};
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return ownKeys(o);
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};
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return function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
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__setModuleDefault(result, mod);
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return result;
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.NodeSourceExtractor = void 0;
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const fs = __importStar(require("fs/promises"));
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const path = __importStar(require("path"));
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const logger_1 = require("./logger");
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class NodeSourceExtractor {
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constructor() {
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this.n8nBasePaths = [
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'/usr/local/lib/node_modules/n8n/node_modules',
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'/app/node_modules',
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'/home/node/.n8n/custom/nodes',
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'./node_modules',
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'/var/lib/docker/volumes/n8n-mcp_n8n_modules/_data',
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'/n8n-modules',
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process.env.N8N_CUSTOM_EXTENSIONS || '',
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path.join(process.cwd(), 'node_modules'),
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].filter(Boolean);
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}
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async extractNodeSource(nodeType) {
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logger_1.logger.info(`Extracting source code for node: ${nodeType}`);
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const { packageName, nodeName } = this.parseNodeType(nodeType);
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for (const basePath of this.n8nBasePaths) {
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try {
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const nodeInfo = await this.searchNodeInPath(basePath, packageName, nodeName);
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if (nodeInfo) {
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logger_1.logger.info(`Found node source at: ${nodeInfo.location}`);
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return nodeInfo;
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}
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}
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catch (error) {
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logger_1.logger.debug(`Failed to search in ${basePath}: ${error}`);
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}
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}
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throw new Error(`Node source code not found for: ${nodeType}`);
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}
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parseNodeType(nodeType) {
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if (nodeType.includes('.')) {
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const [pkg, node] = nodeType.split('.');
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return { packageName: pkg, nodeName: node };
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}
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return { packageName: 'n8n-nodes-base', nodeName: nodeType };
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}
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async searchNodeInPath(basePath, packageName, nodeName) {
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try {
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const nodeNameVariants = [
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nodeName,
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nodeName.charAt(0).toUpperCase() + nodeName.slice(1),
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nodeName.toLowerCase(),
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nodeName.toUpperCase(),
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];
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for (const nameVariant of nodeNameVariants) {
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const standardPatterns = [
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`${packageName}/dist/nodes/${nameVariant}/${nameVariant}.node.js`,
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`${packageName}/dist/nodes/${nameVariant}.node.js`,
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`${packageName}/nodes/${nameVariant}/${nameVariant}.node.js`,
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`${packageName}/nodes/${nameVariant}.node.js`,
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`${nameVariant}/${nameVariant}.node.js`,
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`${nameVariant}.node.js`,
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];
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const nestedPatterns = [
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`${packageName}/dist/nodes/*/${nameVariant}/${nameVariant}.node.js`,
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`${packageName}/dist/nodes/**/${nameVariant}/${nameVariant}.node.js`,
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`${packageName}/nodes/*/${nameVariant}/${nameVariant}.node.js`,
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`${packageName}/nodes/**/${nameVariant}/${nameVariant}.node.js`,
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];
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for (const pattern of standardPatterns) {
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const fullPath = path.join(basePath, pattern);
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const result = await this.tryLoadNodeFile(fullPath, packageName, nodeName, basePath);
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if (result)
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return result;
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}
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for (const pattern of nestedPatterns) {
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const result = await this.searchWithGlobPattern(basePath, pattern, packageName, nodeName);
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if (result)
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return result;
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}
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}
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if (basePath.includes('node_modules')) {
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const pnpmPath = path.join(basePath, '.pnpm');
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try {
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await fs.access(pnpmPath);
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const result = await this.searchInPnpm(pnpmPath, packageName, nodeName);
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if (result)
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return result;
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}
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catch {
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}
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}
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}
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catch (error) {
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logger_1.logger.debug(`Error searching in path ${basePath}: ${error}`);
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}
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return null;
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}
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async searchInPnpm(pnpmPath, packageName, nodeName) {
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try {
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const entries = await fs.readdir(pnpmPath);
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const packageEntries = entries.filter(entry => entry.includes(packageName.replace('/', '+')) ||
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entry.includes(packageName));
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for (const entry of packageEntries) {
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const entryPath = path.join(pnpmPath, entry, 'node_modules', packageName);
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const patterns = [
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`dist/nodes/${nodeName}/${nodeName}.node.js`,
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`dist/nodes/${nodeName}.node.js`,
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`dist/nodes/*/${nodeName}/${nodeName}.node.js`,
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`dist/nodes/**/${nodeName}/${nodeName}.node.js`,
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];
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for (const pattern of patterns) {
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if (pattern.includes('*')) {
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const result = await this.searchWithGlobPattern(entryPath, pattern, packageName, nodeName);
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if (result)
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return result;
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}
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else {
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const fullPath = path.join(entryPath, pattern);
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const result = await this.tryLoadNodeFile(fullPath, packageName, nodeName, entryPath);
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if (result)
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return result;
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}
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}
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}
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}
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catch (error) {
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logger_1.logger.debug(`Error searching in pnpm directory: ${error}`);
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}
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return null;
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}
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async searchWithGlobPattern(basePath, pattern, packageName, nodeName) {
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const parts = pattern.split('/');
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const targetFile = `${nodeName}.node.js`;
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async function searchDir(currentPath, remainingParts) {
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if (remainingParts.length === 0)
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return null;
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const part = remainingParts[0];
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const isLastPart = remainingParts.length === 1;
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try {
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if (isLastPart && part === targetFile) {
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const fullPath = path.join(currentPath, part);
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await fs.access(fullPath);
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return fullPath;
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}
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const entries = await fs.readdir(currentPath, { withFileTypes: true });
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for (const entry of entries) {
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if (!entry.isDirectory() && !isLastPart)
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continue;
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if (part === '*' || part === '**') {
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if (entry.isDirectory()) {
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const result = await searchDir(path.join(currentPath, entry.name), part === '**' ? remainingParts : remainingParts.slice(1));
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if (result)
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return result;
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}
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}
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else if (entry.name === part || (isLastPart && entry.name === targetFile)) {
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if (isLastPart && entry.isFile()) {
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return path.join(currentPath, entry.name);
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}
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else if (!isLastPart && entry.isDirectory()) {
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const result = await searchDir(path.join(currentPath, entry.name), remainingParts.slice(1));
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if (result)
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return result;
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}
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}
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}
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}
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catch {
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}
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return null;
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}
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const foundPath = await searchDir(basePath, parts);
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if (foundPath) {
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return this.tryLoadNodeFile(foundPath, packageName, nodeName, basePath);
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}
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return null;
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}
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async tryLoadNodeFile(fullPath, packageName, nodeName, packageBasePath) {
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try {
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const sourceCode = await fs.readFile(fullPath, 'utf-8');
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let credentialCode;
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const credentialPath = fullPath.replace('.node.js', '.credentials.js');
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try {
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credentialCode = await fs.readFile(credentialPath, 'utf-8');
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}
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catch {
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const possibleCredentialPaths = [
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path.join(packageBasePath, packageName, 'dist/credentials', `${nodeName}Api.credentials.js`),
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path.join(packageBasePath, packageName, 'dist/credentials', `${nodeName}OAuth2Api.credentials.js`),
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path.join(packageBasePath, packageName, 'credentials', `${nodeName}Api.credentials.js`),
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path.join(packageBasePath, packageName, 'credentials', `${nodeName}OAuth2Api.credentials.js`),
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path.join(packageBasePath, 'dist/credentials', `${nodeName}Api.credentials.js`),
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path.join(packageBasePath, 'dist/credentials', `${nodeName}OAuth2Api.credentials.js`),
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path.join(packageBasePath, 'credentials', `${nodeName}Api.credentials.js`),
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path.join(packageBasePath, 'credentials', `${nodeName}OAuth2Api.credentials.js`),
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path.join(path.dirname(path.dirname(fullPath)), 'credentials', `${nodeName}Api.credentials.js`),
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path.join(path.dirname(path.dirname(fullPath)), 'credentials', `${nodeName}OAuth2Api.credentials.js`),
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path.join(path.dirname(path.dirname(path.dirname(fullPath))), 'credentials', `${nodeName}Api.credentials.js`),
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path.join(path.dirname(path.dirname(path.dirname(fullPath))), 'credentials', `${nodeName}OAuth2Api.credentials.js`),
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];
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const allCredentials = [];
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for (const credPath of possibleCredentialPaths) {
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try {
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const content = await fs.readFile(credPath, 'utf-8');
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allCredentials.push(content);
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logger_1.logger.debug(`Found credential file at: ${credPath}`);
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}
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catch {
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}
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}
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if (allCredentials.length > 0) {
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credentialCode = allCredentials.join('\n\n// --- Next Credential File ---\n\n');
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}
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}
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let packageInfo;
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const possiblePackageJsonPaths = [
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path.join(packageBasePath, 'package.json'),
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path.join(packageBasePath, packageName, 'package.json'),
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path.join(path.dirname(path.dirname(fullPath)), 'package.json'),
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path.join(path.dirname(path.dirname(path.dirname(fullPath))), 'package.json'),
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path.join(fullPath.split('/dist/')[0], 'package.json'),
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path.join(fullPath.split('/nodes/')[0], 'package.json'),
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];
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for (const packageJsonPath of possiblePackageJsonPaths) {
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try {
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const packageJson = await fs.readFile(packageJsonPath, 'utf-8');
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packageInfo = JSON.parse(packageJson);
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logger_1.logger.debug(`Found package.json at: ${packageJsonPath}`);
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break;
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}
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catch {
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}
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}
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return {
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nodeType: `${packageName}.${nodeName}`,
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sourceCode,
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credentialCode,
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packageInfo,
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location: fullPath,
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};
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}
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catch {
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return null;
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}
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}
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async listAvailableNodes(category, search) {
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const nodes = [];
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const seenNodes = new Set();
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for (const basePath of this.n8nBasePaths) {
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try {
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const n8nNodesBasePath = path.join(basePath, 'n8n-nodes-base', 'dist', 'nodes');
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try {
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await fs.access(n8nNodesBasePath);
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await this.scanDirectoryForNodes(n8nNodesBasePath, nodes, category, search, seenNodes);
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}
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catch {
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const altPath = path.join(basePath, 'n8n-nodes-base', 'nodes');
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try {
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await fs.access(altPath);
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await this.scanDirectoryForNodes(altPath, nodes, category, search, seenNodes);
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}
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catch {
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await this.scanDirectoryForNodes(basePath, nodes, category, search, seenNodes);
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}
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}
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}
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catch (error) {
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logger_1.logger.debug(`Failed to scan ${basePath}: ${error}`);
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}
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}
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return nodes;
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}
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async scanDirectoryForNodes(dirPath, nodes, category, search, seenNodes) {
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try {
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const entries = await fs.readdir(dirPath, { withFileTypes: true });
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for (const entry of entries) {
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if (entry.isFile() && entry.name.endsWith('.node.js')) {
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try {
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const fullPath = path.join(dirPath, entry.name);
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const content = await fs.readFile(fullPath, 'utf-8');
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const nameMatch = content.match(/displayName:\s*['"`]([^'"`]+)['"`]/);
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const descriptionMatch = content.match(/description:\s*['"`]([^'"`]+)['"`]/);
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if (nameMatch) {
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const nodeName = entry.name.replace('.node.js', '');
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if (seenNodes && seenNodes.has(nodeName)) {
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continue;
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}
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const nodeInfo = {
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name: nodeName,
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displayName: nameMatch[1],
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description: descriptionMatch ? descriptionMatch[1] : '',
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location: fullPath,
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};
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if (category && !nodeInfo.displayName.toLowerCase().includes(category.toLowerCase())) {
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continue;
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}
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if (search && !nodeInfo.displayName.toLowerCase().includes(search.toLowerCase()) &&
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!nodeInfo.description.toLowerCase().includes(search.toLowerCase())) {
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continue;
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}
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nodes.push(nodeInfo);
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if (seenNodes) {
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seenNodes.add(nodeName);
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}
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}
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}
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catch {
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}
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}
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else if (entry.isDirectory()) {
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if (entry.name === '.pnpm') {
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await this.scanPnpmDirectory(path.join(dirPath, entry.name), nodes, category, search, seenNodes);
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}
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else if (entry.name !== 'node_modules') {
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await this.scanDirectoryForNodes(path.join(dirPath, entry.name), nodes, category, search, seenNodes);
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}
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}
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}
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}
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catch (error) {
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logger_1.logger.debug(`Error scanning directory ${dirPath}: ${error}`);
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}
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}
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async scanPnpmDirectory(pnpmPath, nodes, category, search, seenNodes) {
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try {
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const entries = await fs.readdir(pnpmPath);
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for (const entry of entries) {
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const entryPath = path.join(pnpmPath, entry, 'node_modules');
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try {
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await fs.access(entryPath);
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await this.scanDirectoryForNodes(entryPath, nodes, category, search, seenNodes);
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}
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catch {
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}
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}
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}
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catch (error) {
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logger_1.logger.debug(`Error scanning pnpm directory ${pnpmPath}: ${error}`);
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}
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}
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async extractAIAgentNode() {
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return this.extractNodeSource('@n8n/n8n-nodes-langchain.Agent');
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}
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}
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exports.NodeSourceExtractor = NodeSourceExtractor;
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//# sourceMappingURL=node-source-extractor.js.map
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