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nx

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The core Nx plugin contains the core functionality of Nx like the project graph, nx commands and task orchestration.

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.nxFileMap = exports.nxProjectGraph = void 0; exports.ensureCacheDirectory = ensureCacheDirectory; exports.readFileMapCache = readFileMapCache; exports.readProjectGraphCache = readProjectGraphCache; exports.createProjectFileMapCache = createProjectFileMapCache; exports.writeCache = writeCache; exports.shouldRecomputeWholeGraph = shouldRecomputeWholeGraph; exports.extractCachedFileData = extractCachedFileData; const node_fs_1 = require("node:fs"); const path_1 = require("path"); const perf_hooks_1 = require("perf_hooks"); const cache_directory_1 = require("../utils/cache-directory"); const fileutils_1 = require("../utils/fileutils"); const versions_1 = require("../utils/versions"); exports.nxProjectGraph = (0, path_1.join)(cache_directory_1.workspaceDataDirectory, 'project-graph.json'); exports.nxFileMap = (0, path_1.join)(cache_directory_1.workspaceDataDirectory, 'file-map.json'); function ensureCacheDirectory() { try { if (!(0, node_fs_1.existsSync)(cache_directory_1.workspaceDataDirectory)) { (0, node_fs_1.mkdirSync)(cache_directory_1.workspaceDataDirectory, { recursive: true }); } } catch (e) { /* * @jeffbcross: Node JS docs recommend against checking for existence of directory immediately before creating it. * Instead, just try to create the directory and handle the error. * * We ran into race conditions when running scripts concurrently, where multiple scripts were * arriving here simultaneously, checking for directory existence, then trying to create the directory simultaneously. * * In this case, we're creating the directory. If the operation failed, we ensure that the directory * exists before continuing (or raise an exception). */ if (!(0, fileutils_1.directoryExists)(cache_directory_1.workspaceDataDirectory)) { throw new Error(`Failed to create directory: ${cache_directory_1.workspaceDataDirectory}`); } } } function readFileMapCache() { perf_hooks_1.performance.mark('read cache:start'); ensureCacheDirectory(); let data = null; try { if ((0, fileutils_1.fileExists)(exports.nxFileMap)) { data = (0, fileutils_1.readJsonFile)(exports.nxFileMap); } } catch (error) { console.log(`Error reading '${exports.nxFileMap}'. Continue the process without the cache.`); console.log(error); } perf_hooks_1.performance.mark('read cache:end'); perf_hooks_1.performance.measure('read cache', 'read cache:start', 'read cache:end'); return data ?? null; } function readProjectGraphCache() { perf_hooks_1.performance.mark('read project-graph:start'); ensureCacheDirectory(); let data = null; try { if ((0, fileutils_1.fileExists)(exports.nxProjectGraph)) { data = (0, fileutils_1.readJsonFile)(exports.nxProjectGraph); } } catch (error) { console.log(`Error reading '${exports.nxProjectGraph}'. Continue the process without the cache.`); console.log(error); } perf_hooks_1.performance.mark('read project-graph:end'); perf_hooks_1.performance.measure('read cache', 'read project-graph:start', 'read project-graph:end'); return data ?? null; } function createProjectFileMapCache(nxJson, packageJsonDeps, fileMap, tsConfig) { const nxJsonPlugins = getNxJsonPluginsData(nxJson, packageJsonDeps); const newValue = { version: '6.0', nxVersion: versions_1.nxVersion, deps: packageJsonDeps, // TODO(v19): We can remove this in favor of nxVersion // compilerOptions may not exist, especially for package-based repos pathMappings: tsConfig?.compilerOptions?.paths || {}, nxJsonPlugins, pluginsConfig: nxJson?.pluginsConfig, fileMap, }; return newValue; } function writeCache(cache, projectGraph) { perf_hooks_1.performance.mark('write cache:start'); let retry = 1; let done = false; do { // write first to a unique temporary filename and then do a // rename of the file to the correct filename // this is to avoid any problems with half-written files // in case of crash and/or partially written files due // to multiple parallel processes reading and writing this file const unique = (Math.random().toString(16) + '0000000').slice(2, 10); const tmpProjectGraphPath = `${exports.nxProjectGraph}~${unique}`; const tmpFileMapPath = `${exports.nxFileMap}~${unique}`; try { (0, fileutils_1.writeJsonFile)(tmpProjectGraphPath, projectGraph); (0, node_fs_1.renameSync)(tmpProjectGraphPath, exports.nxProjectGraph); (0, fileutils_1.writeJsonFile)(tmpFileMapPath, cache); (0, node_fs_1.renameSync)(tmpFileMapPath, exports.nxFileMap); done = true; } catch (err) { if (err instanceof Error) { console.log(`ERROR (${retry}) when writing \n${err.message}\n${err.stack}`); } else { console.log(`ERROR (${retry}) unknown error when writing ${exports.nxProjectGraph} and ${exports.nxFileMap}`); } ++retry; } } while (!done && retry < 5); perf_hooks_1.performance.mark('write cache:end'); perf_hooks_1.performance.measure('write cache', 'write cache:start', 'write cache:end'); } function shouldRecomputeWholeGraph(cache, packageJsonDeps, projects, nxJson, tsConfig) { if (cache.version !== '6.0') { return true; } if (cache.nxVersion !== versions_1.nxVersion) { return true; } // we have a cached project that is no longer present const cachedNodes = Object.keys(cache.fileMap.projectFileMap); if (cachedNodes.some((p) => projects[p] === undefined)) { return true; } // a path mapping for an existing project has changed if (Object.keys(cache.pathMappings).some((t) => { const cached = cache.pathMappings && cache.pathMappings[t] ? JSON.stringify(cache.pathMappings[t]) : undefined; const notCached = tsConfig?.compilerOptions?.paths && tsConfig?.compilerOptions?.paths[t] ? JSON.stringify(tsConfig.compilerOptions.paths[t]) : undefined; return cached !== notCached; })) { return true; } // a new plugin has been added if (JSON.stringify(getNxJsonPluginsData(nxJson, packageJsonDeps)) !== JSON.stringify(cache.nxJsonPlugins)) { return true; } if (JSON.stringify(nxJson?.pluginsConfig) !== JSON.stringify(cache.pluginsConfig)) { return true; } return false; } /* This can only be invoked when the list of projects is either the same or new projects have been added, so every project in the cache has a corresponding project in fileMap */ function extractCachedFileData(fileMap, c) { const filesToProcess = { nonProjectFiles: [], projectFileMap: {}, }; const cachedFileData = { nonProjectFiles: {}, projectFileMap: {}, }; const currentProjects = Object.keys(fileMap.projectFileMap).filter((name) => fileMap.projectFileMap[name].length > 0); currentProjects.forEach((p) => { processProjectNode(p, c.fileMap.projectFileMap, cachedFileData.projectFileMap, filesToProcess.projectFileMap, fileMap); }); processNonProjectFiles(c.fileMap.nonProjectFiles, fileMap.nonProjectFiles, filesToProcess.nonProjectFiles, cachedFileData.nonProjectFiles); return { filesToProcess, cachedFileData, }; } function processNonProjectFiles(cachedFiles, nonProjectFiles, filesToProcess, cachedFileData) { const cachedHashMap = new Map(cachedFiles.map((f) => [f.file, f])); for (const f of nonProjectFiles) { const cachedFile = cachedHashMap.get(f.file); if (!cachedFile || cachedFile.hash !== f.hash) { filesToProcess.push(f); } else { cachedFileData[f.file] = cachedFile; } } } function processProjectNode(projectName, cachedFileMap, cachedFileData, filesToProcess, { projectFileMap }) { if (!cachedFileMap[projectName]) { filesToProcess[projectName] = projectFileMap[projectName]; return; } const fileDataFromCache = {}; for (let f of cachedFileMap[projectName]) { fileDataFromCache[f.file] = f; } if (!cachedFileData[projectName]) { cachedFileData[projectName] = {}; } for (let f of projectFileMap[projectName]) { const fromCache = fileDataFromCache[f.file]; if (fromCache && fromCache.hash == f.hash) { cachedFileData[projectName][f.file] = fromCache; } else { if (!filesToProcess[projectName]) { filesToProcess[projectName] = []; } filesToProcess[projectName].push(f); } } } function getNxJsonPluginsData(nxJson, packageJsonDeps) { return (nxJson?.plugins || []).map((p) => { const [plugin, options] = typeof p === 'string' ? [p] : [p.plugin, p.options]; return { name: plugin, version: packageJsonDeps[plugin], options, }; }); }