Nx MCP Server

import { join } from 'path'; import { execSync } from 'node:child_process'; import { NxlsWrapper } from '../nxls-wrapper'; import { defaultVersion, e2eCwd, newWorkspace, uniq, } from '@nx-console/shared-e2e-utils'; import { NxGeneratorOptionsRequest, NxGeneratorOptionsRequestOptions, NxGeneratorsRequest, NxGeneratorsRequestOptions, } from '@nx-console/language-server-types'; import { GeneratorCollectionInfo } from '@nx-console/shared-schema'; let nxlsWrapper: NxlsWrapper; const workspaceName = uniq('workspace'); const pluginName = uniq('local-plugin'); describe('generator local plugin', () => { beforeAll(async () => { // Create a new workspace with basic React setup newWorkspace({ name: workspaceName, options: { preset: 'react-monorepo', bundler: 'vite', e2eTestRunner: 'cypress', style: 'css', }, version: defaultVersion, }); const workspacePath = join(e2eCwd, workspaceName); console.log('creating local plugin'); // Install @nx/plugin and create a local plugin using nx generators execSync('npm install -D @nx/plugin --force', { cwd: workspacePath, stdio: 'pipe', }); // Create a local plugin using nx generator (it comes with a default generator) execSync(`npx nx g @nx/plugin:plugin ${pluginName} --no-interactive`, { cwd: workspacePath, stdio: 'pipe', }); // create a new generator // libs/nx-plugin/src/generator execSync( `npx nx g @nx/plugin:generator --path ${pluginName}/src/generator/generator.ts --no-interactive`, { cwd: workspacePath, stdio: 'pipe', }, ); // Start the language server nxlsWrapper = new NxlsWrapper(); await nxlsWrapper.startNxls(workspacePath); }); describe('local plugin generator', () => { it('should discover local plugin generators in NxGeneratorsRequest', async () => { const generators = await nxlsWrapper.sendRequest({ ...NxGeneratorsRequest, params: { options: { includeHidden: false, includeNgAdd: false, } satisfies NxGeneratorsRequestOptions, }, }); expect(generators.result).toBeDefined(); expect(generators.error).toBeUndefined(); const generatorList = generators.result as GeneratorCollectionInfo[]; const localGenerator = generatorList.find( (g) => g.name === `@${workspaceName}/${pluginName}:generator`, ); expect(localGenerator).toBeDefined(); expect(localGenerator?.type).toBe('generator'); }); it('should successfully resolve local plugin generator options', async () => { const generatorPath = join( e2eCwd, workspaceName, pluginName, 'src', 'generator', 'schema.json', ); const generatorOptions = await nxlsWrapper.sendRequest({ ...NxGeneratorOptionsRequest, params: { options: { collection: pluginName, name: 'generator', path: generatorPath, } satisfies NxGeneratorOptionsRequestOptions, }, }); expect(generatorOptions.result).toBeDefined(); expect(generatorOptions.error).toBeUndefined(); const options = generatorOptions.result as any[]; expect(options.length).toBeGreaterThan(0); expect(options.find((o) => o.name === 'name')).toBeDefined(); }); }); afterAll(async () => { return await nxlsWrapper.stopNxls(); }); });