feat(core): add WorkspaceContext class

.gitignore

@@ -12,6 +12,7 @@ tmp
 jest.debug.config.js
 .tool-versions
 /.nx-cache
+/.nx
 /.verdaccio/build/local-registry
 /graph/client/src/assets/environment.js
 /graph/client/src/assets/dev/environment.js

e2e/nx-misc/src/watch.test.ts

@@ -31,6 +31,10 @@ describe('Nx Commands', () => {
     runCLI(`generate @nx/js:lib ${proj3}`);
   });
 
+  afterEach(() => {
+    runCLI('reset');
+  });
+
   afterAll(() => cleanupProject());
 
   it('should watch for project changes', async () => {

e2e/utils/create-project-utils.ts

@@ -31,6 +31,7 @@ import {
 import { NxJsonConfiguration, output } from '@nx/devkit';
 import { readFileSync } from 'fs';
 import { join } from 'path';
+import { resetWorkspaceContext } from 'nx/src/utils/workspace-context';
 
 let projName: string;
 
@@ -566,4 +567,5 @@ export function cleanupProject({
       removeSync(tmpProjPath());
     } catch {}
   }
+  resetWorkspaceContext();
 }

packages/nx/Cargo.toml

@@ -15,6 +15,7 @@ ignore-files = "1.3.0"
 itertools = "0.10.5"
 once_cell = "1.18.0"
 os_type = "2.6.0"
+parking_lot = { version = "0.12.1", features = ["send_guard"] }
 napi = { version = '2.12.6', default-features = false, features = ['anyhow', 'napi4', 'tokio_rt'] }
 napi-derive = '2.9.3'
 regex = "1.9.1"

packages/nx/bin/nx.ts

@@ -19,6 +19,8 @@ import { execSync } from 'child_process';
 import { join } from 'path';
 import { assertSupportedPlatform } from '../src/native/assert-supported-platform';
 import { performance } from 'perf_hooks';
+import { setupWorkspaceContext } from '../src/utils/workspace-context';
+import { daemonClient } from '../src/daemon/client/client';
 
 function main() {
   if (
@@ -64,6 +66,11 @@ function main() {
     ) {
       require('v8-compile-cache');
     }
+
+    if (!daemonClient.enabled() && workspace !== null) {
+      setupWorkspaceContext(workspace.dir);
+    }
+
     // polyfill rxjs observable to avoid issues with multiple version of Observable installed in node_modules
     // https://twitter.com/BenLesh/status/1192478226385428483?s=20
     if (!(Symbol as any).observable)

packages/nx/src/command-line/affected/print-affected.ts

@@ -13,7 +13,6 @@ import { NxJsonConfiguration } from '../../config/nx-json';
 import { InProcessTaskHasher } from '../../hasher/task-hasher';
 import { hashTask } from '../../hasher/hash-task';
 import { getPackageManagerCommand } from '../../utils/package-manager';
-import { fileHasher } from '../../hasher/file-hasher';
 import { printAffectedDeprecationMessage } from './command-object';
 import { logger, NX_PREFIX } from '../../utils/logger';
 
@@ -72,14 +71,7 @@ async function createTasks(
     nxArgs.configuration,
     overrides
   );
-  const hasher = new InProcessTaskHasher(
-    {},
-    [],
-    projectGraph,
-    nxJson,
-    {},
-    fileHasher
-  );
+  const hasher = new InProcessTaskHasher({}, [], projectGraph, nxJson, {});
   const execCommand = getPackageManagerCommand().exec;
   const tasks = Object.values(taskGraph.tasks);
 

packages/nx/src/command-line/graph/graph.ts

@@ -22,12 +22,10 @@ import {
   createTaskGraph,
   mapTargetDefaultsToDependencies,
 } from '../../tasks-runner/create-task-graph';
-import { TargetDefaults, TargetDependencies } from '../../config/nx-json';
 import { TaskGraph } from '../../config/task-graph';
 import { daemonClient } from '../../daemon/client/client';
 import { Server } from 'net';
 import { readProjectFileMapCache } from '../../project-graph/nx-deps-cache';
-import { fileHasher } from '../../hasher/file-hasher';
 import { getAffectedGraphNodes } from '../affected/affected';
 import { splitArgsIntoNxArgsAndOverrides } from '../../utils/command-line-utils';
 
@@ -574,7 +572,6 @@ async function createDepGraphClientResponse(
   affected: string[] = []
 ): Promise<ProjectGraphClientResponse> {
   performance.mark('project graph watch calculation:start');
-  await fileHasher.init();
 
   let graph = pruneExternalNodes(
     await createProjectGraphAsync({ exitOnError: true })

packages/nx/src/daemon/server/handle-hash-tasks.ts

@@ -2,7 +2,6 @@ import { Task, TaskGraph } from '../../config/task-graph';
 import { getCachedSerializedProjectGraphPromise } from './project-graph-incremental-recomputation';
 import { InProcessTaskHasher } from '../../hasher/task-hasher';
 import { readNxJson } from '../../config/configuration';
-import { fileHasher } from '../../hasher/file-hasher';
 import { setHashEnv } from '../../hasher/set-hash-env';
 
 /**
@@ -31,8 +30,7 @@ export async function handleHashTasks(payload: {
       allWorkspaceFiles,
       projectGraph,
       nxJson,
-      payload.runnerOptions,
-      fileHasher
+      payload.runnerOptions
     );
   }
   const response = JSON.stringify(

packages/nx/src/daemon/server/handle-request-file-data.ts

@@ -1,7 +1,8 @@
-import { fileHasher } from '../../hasher/file-hasher';
+import { getAllFileDataInContext } from '../../utils/workspace-context';
+import { workspaceRoot } from '../../utils/workspace-root';
 
 export async function handleRequestFileData() {
-  const response = JSON.stringify(fileHasher.allFileData());
+  const response = JSON.stringify(getAllFileDataInContext(workspaceRoot));
   return {
     response,
     description: 'handleRequestFileData',

packages/nx/src/daemon/server/project-graph-incremental-recomputation.ts

@@ -17,7 +17,7 @@ import { notifyFileWatcherSockets } from './file-watching/file-watcher-sockets';
 import { serverLogger } from './logger';
 import { workspaceRoot } from '../../utils/workspace-root';
 import { execSync } from 'child_process';
-import { fileHasher, hashArray } from '../../hasher/file-hasher';
+import { hashArray } from '../../hasher/file-hasher';
 import {
   retrieveWorkspaceFiles,
   retrieveProjectConfigurations,
@@ -27,6 +27,10 @@ import {
   ProjectsConfigurations,
 } from '../../config/workspace-json-project-json';
 import { readNxJson } from '../../config/nx-json';
+import {
+  resetWorkspaceContext,
+  updateFilesInContext,
+} from '../../utils/workspace-context';
 
 let cachedSerializedProjectGraphPromise: Promise<{
   error: Error | null;
@@ -163,17 +167,17 @@ function filterUpdatedFiles(files: string[]) {
 async function processCollectedUpdatedAndDeletedFiles() {
   try {
     performance.mark('hash-watched-changes-start');
-    const updatedFiles = await fileHasher.hashFiles(
-      filterUpdatedFiles([...collectedUpdatedFiles.values()])
-    );
+    const updatedFiles = filterUpdatedFiles([
+      ...collectedUpdatedFiles.values(),
+    ]);
     const deletedFiles = [...collectedDeletedFiles.values()];
+    let updatedFileHashes = updateFilesInContext(updatedFiles, deletedFiles);
     performance.mark('hash-watched-changes-end');
     performance.measure(
       'hash changed files from watcher',
       'hash-watched-changes-start',
       'hash-watched-changes-end'
     );
-    fileHasher.incrementalUpdate(updatedFiles, deletedFiles);
 
     const nxJson = readNxJson(workspaceRoot);
 
@@ -201,7 +205,7 @@ async function processCollectedUpdatedAndDeletedFiles() {
           projectNodes,
           projectFileMapWithFiles.projectFileMap,
           projectFileMapWithFiles.allWorkspaceFiles,
-          updatedFiles,
+          new Map(Object.entries(updatedFileHashes)),
           deletedFiles
         );
       } else {
@@ -330,8 +334,7 @@ async function resetInternalState() {
   currentProjectGraph = undefined;
   collectedUpdatedFiles.clear();
   collectedDeletedFiles.clear();
-  fileHasher.clear();
-  await fileHasher.ensureInitialized();
+  resetWorkspaceContext();
   waitPeriod = 100;
 }
 

packages/nx/src/daemon/server/server.ts

@@ -56,8 +56,10 @@ import { readJsonFile } from '../../utils/fileutils';
 import { PackageJson } from '../../utils/package-json';
 import { getDaemonProcessIdSync, writeDaemonJsonProcessCache } from '../cache';
 import { handleHashTasks } from './handle-hash-tasks';
-import { fileHasher, hashArray } from '../../hasher/file-hasher';
+import { hashArray } from '../../hasher/file-hasher';
 import { handleRequestFileData } from './handle-request-file-data';
+import { setupWorkspaceContext } from '../../utils/workspace-context';
+import { hashFile } from '../../native';
 
 let performanceObserver: PerformanceObserver | undefined;
 let workspaceWatcherError: Error | undefined;
@@ -283,7 +285,7 @@ function lockFileHashChanged(): boolean {
     join(workspaceRoot, 'pnpm-lock.yaml'),
   ]
     .filter((file) => existsSync(file))
-    .map((file) => fileHasher.hashFile(file));
+    .map((file) => hashFile(file));
   const newHash = hashArray(lockHashes);
   if (existingLockHash && newHash != existingLockHash) {
     existingLockHash = newHash;
@@ -397,6 +399,8 @@ const handleOutputsChanges: FileWatcherCallback = async (err, changeEvents) => {
 };
 
 export async function startServer(): Promise<Server> {
+  setupWorkspaceContext(workspaceRoot);
+
   // Persist metadata about the background process so that it can be cleaned up later if needed
   await writeDaemonJsonProcessCache({
     processId: process.pid,
@@ -409,7 +413,6 @@ export async function startServer(): Promise<Server> {
 
   return new Promise(async (resolve, reject) => {
     try {
-      await fileHasher.ensureInitialized();
       server.listen(FULL_OS_SOCKET_PATH, async () => {
         try {
           serverLogger.log(`Started listening on: ${FULL_OS_SOCKET_PATH}`);

packages/nx/src/hasher/file-hasher.ts

@@ -1,89 +1,3 @@
-import { performance } from 'perf_hooks';
-import { workspaceRoot } from '../utils/workspace-root';
-import { FileData } from '../config/project-graph';
-
-export class FileHasher {
-  private fileHashes: Map<string, string>;
-  private isInitialized = false;
-
-  async init(): Promise<void> {
-    performance.mark('init hashing:start');
-    // Import as needed. There is also an issue running unit tests in Nx repo if this is a top-level import.
-    const { hashFiles } = require('../native');
-    this.clear();
-    const filesObject = hashFiles(workspaceRoot);
-    this.fileHashes = new Map(Object.entries(filesObject));
-
-    performance.mark('init hashing:end');
-    performance.measure(
-      'init hashing',
-      'init hashing:start',
-      'init hashing:end'
-    );
-  }
-
-  hashFile(path: string): string {
-    // Import as needed. There is also an issue running unit tests in Nx repo if this is a top-level import.
-    const { hashFile } = require('../native');
-    return hashFile(path).hash;
-  }
-
-  clear(): void {
-    this.fileHashes = new Map<string, string>();
-    this.isInitialized = false;
-  }
-
-  async ensureInitialized() {
-    if (!this.isInitialized) {
-      await this.init();
-    }
-  }
-
-  async hashFiles(files: string[]): Promise<Map<string, string>> {
-    const r = new Map<string, string>();
-    for (let f of files) {
-      r.set(f, this.hashFile(f));
-    }
-    return r;
-  }
-
-  allFileData(): FileData[] {
-    const res = [];
-    this.fileHashes.forEach((hash, file) => {
-      res.push({
-        file,
-        hash,
-      });
-    });
-    res.sort((x, y) => x.file.localeCompare(y.file));
-    return res;
-  }
-
-  incrementalUpdate(
-    updatedFiles: Map<string, string>,
-    deletedFiles: string[] = []
-  ): void {
-    performance.mark('incremental hashing:start');
-
-    updatedFiles.forEach((hash, filename) => {
-      this.fileHashes.set(filename, hash);
-    });
-
-    for (const deletedFile of deletedFiles) {
-      this.fileHashes.delete(deletedFile);
-    }
-
-    performance.mark('incremental hashing:end');
-    performance.measure(
-      'incremental hashing',
-      'incremental hashing:start',
-      'incremental hashing:end'
-    );
-  }
-}
-
-export const fileHasher = new FileHasher();
-
 export function hashArray(content: string[]): string {
   // Import as needed. There is also an issue running unit tests in Nx repo if this is a top-level import.
   const { hashArray } = require('../native');