Nx MCP Server

import type { TargetConfiguration } from 'nx/src/devkit-exports'; import { nxWorkspace } from '@nx-console/shared-nx-workspace-info'; import { normalize, relative } from 'path'; import { lspLogger } from '@nx-console/language-server-utils'; let _sourceMapFilesToProjectMap: Record<string, string[]> | undefined = undefined; /** * iterate over sourcemaps and return all files that were involved in creating a project along with the project name */ export async function getSourceMapFilesToProjectsMap( workingPath: string, ): Promise<Record<string, string[]>> { if (_sourceMapFilesToProjectMap) { return _sourceMapFilesToProjectMap; } const { sourceMaps } = await nxWorkspace(workingPath, lspLogger); const sourceMapFilesToProjectMap: Record<string, string[]> = {}; Object.entries(sourceMaps ?? {}).forEach(([projectRoot, sourceMap]) => { Object.values(sourceMap).forEach(([file]) => { if (!file || file === 'nx.json') { return; } if (!sourceMapFilesToProjectMap[file]) { sourceMapFilesToProjectMap[file] = []; } if (!sourceMapFilesToProjectMap[file].includes(projectRoot)) { sourceMapFilesToProjectMap[file].push(projectRoot); } }); }); _sourceMapFilesToProjectMap = sourceMapFilesToProjectMap; return sourceMapFilesToProjectMap; } export async function getTargetsForConfigFile( projectName: string, configFilePath: string, workingPath: string, ): Promise<Record<string, TargetConfiguration> | undefined> { const { sourceMaps, projectGraph } = await nxWorkspace( workingPath, lspLogger, ); configFilePath = normalize(configFilePath); if (configFilePath.includes(workingPath)) { configFilePath = relative(workingPath, configFilePath); } const project = projectGraph.nodes[projectName]; if (!project || !sourceMaps) { return; } const sourceMap = sourceMaps[project.data.root]; const targets: Record<string, TargetConfiguration> = {}; Object.entries(sourceMap) .filter<[string, [string, string]]>(isKeyWithTargetsAndFileNotNull) .forEach(([key, [file]]: [string, [string, string]]) => { if (normalize(file) === configFilePath) { const targetName = key.split('.')[1]; const target = project.data.targets?.[targetName]; if (target) { targets[targetName] = target; } } }); return targets; } export function resetSourceMapFilesToProjectCache() { _sourceMapFilesToProjectMap = undefined; } export function isKeyWithTargetsAndFileNotNull( value: [string, [string | null, string]], ): value is [string, [string, string]] { return value[0].startsWith('targets.') && value[1][0] !== null; }