fix(core): add registerExitHandler utility

Author: AgentEnder

packages/detox/src/executors/build/build.impl.ts

@@ -45,7 +45,6 @@ export function runCliBuild(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/detox/src/executors/test/test.impl.ts

@@ -66,7 +66,6 @@ function runCliTest(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/esbuild/src/executors/esbuild/esbuild.impl.ts

@@ -173,7 +173,7 @@ export async function* esbuildExecutor(
           })
         );
 
-        registerCleanupCallback(() => {
+        process.once('exit', () => {
           assetsResult?.stop();
           packageJsonResult?.stop();
           disposeFns.forEach((fn) => fn());
@@ -269,17 +269,4 @@ async function runTypeCheck(
   return { errors, warnings };
 }
 
-function registerCleanupCallback(callback: () => void) {
-  const wrapped = () => {
-    callback();
-    process.off('SIGINT', wrapped);
-    process.off('SIGTERM', wrapped);
-    process.off('exit', wrapped);
-  };
-
-  process.on('SIGINT', wrapped);
-  process.on('SIGTERM', wrapped);
-  process.on('exit', wrapped);
-}
-
 export default esbuildExecutor;

packages/expo/src/executors/build-list/build-list.impl.ts

@@ -52,7 +52,6 @@ export function runCliBuildList(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     let output = '';
     childProcess.stdout.on('data', (message) => {

packages/expo/src/executors/build/build.impl.ts

@@ -68,7 +68,6 @@ function runCliBuild(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/expo/src/executors/export/export.impl.ts

@@ -48,7 +48,6 @@ function exportAsync(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/expo/src/executors/prebuild/prebuild.impl.ts

@@ -55,7 +55,6 @@ export function prebuildAsync(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/expo/src/executors/run/run.impl.ts

@@ -70,7 +70,6 @@ function runCliRun(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/expo/src/executors/start/start.impl.ts

@@ -56,7 +56,6 @@ function startAsync(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/expo/src/executors/submit/submit.impl.ts

@@ -47,7 +47,6 @@ function runCliSubmit(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/expo/src/executors/update/update.impl.ts

@@ -47,7 +47,6 @@ function runCliUpdate(
 
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
-    process.on('SIGTERM', () => childProcess.kill());
 
     childProcess.on('error', (err) => {
       reject(err);

packages/js/src/executors/node/node.impl.ts

@@ -22,6 +22,7 @@ import { killTree } from './lib/kill-tree';
 import { fileExists } from 'nx/src/utils/fileutils';
 import { getRelativeDirectoryToProjectRoot } from '../../utils/get-main-file-dir';
 import { interpolate } from 'nx/src/tasks-runner/utils';
+import { registerExitHandler } from 'nx/src/utils/signals';
 
 interface ActiveTask {
   id: string;
@@ -233,18 +234,11 @@ export async function* nodeExecutor(
       }
     };
 
-    process.on('SIGTERM', async () => {
-      await stopAllTasks('SIGTERM');
-      process.exit(128 + 15);
-    });
-    process.on('SIGINT', async () => {
-      await stopAllTasks('SIGINT');
-      process.exit(128 + 2);
-    });
-    process.on('SIGHUP', async () => {
-      await stopAllTasks('SIGHUP');
-      process.exit(128 + 1);
-    });
+    for (const signal of ['SIGTERM', 'SIGINT', 'SIGHUP'] as const) {
+      registerExitHandler('SIGTERM', async () => {
+        await stopAllTasks(signal);
+      });
+    }
 
     registerCleanup(async () => {
       await stopAllTasks('SIGTERM');

packages/js/src/executors/swc/swc.impl.ts

@@ -28,6 +28,7 @@ import { compileSwc, compileSwcWatch } from '../../utils/swc/compile-swc';
 import { getSwcrcPath } from '../../utils/swc/get-swcrc-path';
 import { generateTmpSwcrc } from '../../utils/swc/inline';
 import { isUsingTsSolutionSetup } from '../../utils/typescript/ts-solution-setup';
+import { registerExitHandler } from 'nx/src/utils/signals';
 
 function normalizeOptions(
   options: SwcExecutorOptions,
@@ -186,8 +187,8 @@ export async function* swcExecutor(
 
   if (options.watch) {
     let disposeFn: () => void;
-    process.on('SIGINT', () => disposeFn());
-    process.on('SIGTERM', () => disposeFn());
+    registerExitHandler('SIGINT', (s) => disposeFn());
+    registerExitHandler('SIGTERM', (s) => disposeFn());
 
     return yield* compileSwcWatch(context, options, async () => {
       const assetResult = await copyAssets(options, context);

packages/js/src/executors/tsc/tsc.batch-impl.ts

@@ -27,6 +27,7 @@ import {
   watchTaskProjectsPackageJsonFileChanges,
 } from './lib/batch';
 import { createEntryPoints } from '../../utils/package-json/create-entry-points';
+import { registerExitHandler } from 'nx/src/utils/signals';
 
 export async function* tscBatchExecutor(
   taskGraph: TaskGraph,
@@ -150,13 +151,12 @@ export async function* tscBatchExecutor(
         }
       );
 
-    const handleTermination = async (exitCode: number) => {
+    const handleTermination = async () => {
       watchAssetsChangesDisposer();
       watchProjectsChangesDisposer();
-      process.exit(exitCode);
     };
-    process.on('SIGINT', () => handleTermination(128 + 2));
-    process.on('SIGTERM', () => handleTermination(128 + 15));
+    registerExitHandler('SIGINT', (s) => handleTermination());
+    registerExitHandler('SIGTERM', (s) => handleTermination());
 
     return yield* mapAsyncIterable(typescriptCompilation, async (iterator) => {
       // drain the iterator, we don't use the results

packages/js/src/executors/tsc/tsc.impl.ts

@@ -24,6 +24,7 @@ import { watchForSingleFileChanges } from '../../utils/watch-for-single-file-cha
 import { getCustomTrasformersFactory, normalizeOptions } from './lib';
 import { readTsConfig } from '../../utils/typescript/ts-config';
 import { createEntryPoints } from '../../utils/package-json/create-entry-points';
+import { registerExitHandler } from 'nx/src/utils/signals';
 
 export function determineModuleFormatFromTsConfig(
   absolutePathToTsConfig: string
@@ -169,14 +170,13 @@ export async function* tscExecutor(
           )
       );
     }
-    const handleTermination = async (exitCode: number) => {
+    const handleTermination = async () => {
       await typescriptCompilation.close();
       disposeWatchAssetChanges();
       disposePackageJsonChanges?.();
-      process.exit(exitCode);
     };
-    process.on('SIGINT', () => handleTermination(128 + 2));
-    process.on('SIGTERM', () => handleTermination(128 + 15));
+    registerExitHandler('SIGINT', (s) => handleTermination());
+    registerExitHandler('SIGTERM', (s) => handleTermination());
   }
 
   return yield* typescriptCompilation.iterator;

packages/js/src/executors/verdaccio/verdaccio.impl.ts

@@ -57,9 +57,6 @@ export async function verdaccioExecutor(
     }
   };
   process.on('exit', processExitListener);
-  process.on('SIGTERM', processExitListener);
-  process.on('SIGINT', processExitListener);
-  process.on('SIGHUP', processExitListener);
 
   try {
     await startVerdaccio(options, context.root);

packages/js/src/utils/swc/compile-swc.ts

@@ -229,8 +229,6 @@ export async function* compileSwcWatch(
       swcWatcher.stdout.on('data', stdoutOnData);
       swcWatcher.stderr.on('data', stderrOnData);
 
-      process.on('SIGINT', processOnExit);
-      process.on('SIGTERM', processOnExit);
       process.on('exit', processOnExit);
 
       swcWatcher.on('exit', watcherOnExit);

packages/module-federation/src/executors/utils/build-static-remotes.ts

@@ -87,7 +87,6 @@ export async function buildStaticRemotes(
         res();
       }
     });
-    process.on('SIGTERM', () => staticProcess.kill('SIGTERM'));
     process.on('exit', () => staticProcess.kill('SIGTERM'));
   });
 

packages/module-federation/src/plugins/nx-module-federation-plugin/rspack/nx-module-federation-ssr-dev-server-plugin.ts

@@ -130,9 +130,6 @@ export class NxModuleFederationSSRDevServerPlugin
       process.on('exit', () => {
         this.devServerProcess?.kill('SIGKILL');
       });
-      process.on('SIGINT', () => {
-        this.devServerProcess?.kill('SIGKILL');
-      });
       callback();
     });
   }

packages/module-federation/src/plugins/utils/build-static-remotes.ts

@@ -76,7 +76,6 @@ export async function buildStaticRemotes(
         res();
       }
     });
-    process.on('SIGTERM', () => staticProcess.kill('SIGTERM'));
     process.on('exit', () => staticProcess.kill('SIGTERM'));
   });
 

packages/module-federation/src/plugins/utils/start-remote-proxies.ts

@@ -55,7 +55,6 @@ export function startRemoteProxies(
     const proxyServer = (sslCert ? https : http)
       .createServer({ cert: sslCert, key: sslKey }, expressProxy)
       .listen(appConfig.port);
-    process.on('SIGTERM', () => proxyServer.close());
     process.on('exit', () => proxyServer.close());
   }
   console.info(`NX Static remotes proxies started successfully`);

packages/module-federation/src/plugins/utils/start-static-remotes-file-server.ts

@@ -58,6 +58,5 @@ export function startStaticRemotesFileServer(
       },
     }
   );
-  process.on('SIGTERM', () => httpServerProcess.kill('SIGTERM'));
   process.on('exit', () => httpServerProcess.kill('SIGTERM'));
 }

packages/module-federation/src/utils/start-remote-proxies.ts

@@ -41,7 +41,6 @@ export function startRemoteProxies(
     const proxyServer = (sslCert ? https : http)
       .createServer({ cert: sslCert, key: sslKey }, expressProxy)
       .listen(staticRemotesConfig.config[app].port);
-    process.on('SIGTERM', () => proxyServer.close());
     process.on('exit', () => proxyServer.close());
   }
   logger.info(`NX Static remotes proxies started successfully`);

packages/module-federation/src/utils/start-ssr-remote-proxies.ts

@@ -58,7 +58,6 @@ export function startSsrRemoteProxies(
     const proxyServer = (sslCert ? https : http)
       .createServer({ cert: sslCert, key: sslKey }, expressProxy)
       .listen(staticRemotesConfig.config[app].port);
-    process.on('SIGTERM', () => proxyServer.close());
     process.on('exit', () => proxyServer.close());
   }
   logger.info(`Nx SSR Static remotes proxies started successfully`);

packages/next/src/executors/build/build.impl.ts

@@ -20,6 +20,7 @@ import { NextBuildBuilderOptions } from '../../utils/types';
 import { ChildProcess, fork } from 'child_process';
 import { createCliOptions } from '../../utils/create-cli-options';
 import { signalToCode } from 'nx/src/utils/exit-codes';
+import { registerExitHandler } from 'nx/src/utils/signals';
 
 let childProcess: ChildProcess;
 
@@ -157,12 +158,11 @@ function runCliBuild(
     // Ensure the child process is killed when the parent exits
     process.on('exit', () => childProcess.kill());
 
-    process.on('SIGTERM', (signal) => {
-      reject({ code: signalToCode(signal), signal });
-    });
-    process.on('SIGINT', (signal) => {
-      reject({ code: signalToCode(signal), signal });
-    });
+    for (const signal of ['SIGINT', 'SIGTERM'] as const) {
+      registerExitHandler(signal, () => {
+        reject({ code: signalToCode(signal), signal });
+      });
+    }
 
     childProcess.on('error', (err) => {
       reject({ error: err });

packages/next/src/executors/server/server.impl.ts

@@ -82,9 +82,6 @@ export default async function* serveExecutor(
         }
       };
       process.on('exit', () => killServer());
-      process.on('SIGINT', () => killServer());
-      process.on('SIGTERM', () => killServer());
-      process.on('SIGHUP', () => killServer());
 
       await waitForPortOpen(options.port, { host: options.hostname });
 

packages/nx/bin/nx.ts

@@ -21,7 +21,7 @@ import { performance } from 'perf_hooks';
 import { setupWorkspaceContext } from '../src/utils/workspace-context';
 import { daemonClient } from '../src/daemon/client/client';
 import { removeDbConnections } from '../src/utils/db-connection';
-import { signalToCode } from '../src/utils/exit-codes';
+import { registerExitHandler } from '../src/utils/signals';
 
 // In case Nx Cloud forcibly exits while the TUI is running, ensure the terminal is restored etc.
 process.on('exit', (...args) => {
@@ -283,26 +283,13 @@ const getLatestVersionOfNx = ((fn: () => string) => {
   return () => cache || (cache = fn());
 })(_getLatestVersionOfNx);
 
-function nxCleanup(signal?: NodeJS.Signals) {
+function nxCleanup() {
   removeDbConnections();
-  if (signal) {
-    process.exit(signalToCode(signal));
-  } else {
-    process.exit();
-  }
 }
 
-process.on('exit', () => {
-  nxCleanup();
-});
-process.on('SIGINT', () => {
-  nxCleanup('SIGINT');
-});
-process.on('SIGTERM', () => {
-  nxCleanup('SIGTERM');
-});
-process.on('SIGHUP', () => {
-  nxCleanup('SIGHUP');
-});
+registerExitHandler('SIGINT', nxCleanup);
+registerExitHandler('SIGTERM', nxCleanup);
+registerExitHandler('SIGHUP', nxCleanup);
+registerExitHandler('exit', nxCleanup);
 
 main();

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

@@ -57,6 +57,7 @@ import { ConfigurationSourceMaps } from '../../project-graph/utils/project-confi
 import { createTaskHasher } from '../../hasher/create-task-hasher';
 import { ProjectGraphError } from '../../project-graph/error-types';
 import { isNxCloudUsed } from '../../utils/nx-cloud-utils';
+import { registerExitHandler } from '../../utils/signals';
 
 export interface GraphError {
   message: string;
@@ -667,14 +668,18 @@ async function startServer(
     }
   });
 
-  const handleTermination = async (exitCode: number) => {
+  const handleTermination = async () => {
     if (unregisterFileWatcher) {
       unregisterFileWatcher();
     }
-    process.exit(exitCode);
   };
-  process.on('SIGINT', () => handleTermination(128 + 2));
-  process.on('SIGTERM', () => handleTermination(128 + 15));
+
+  registerExitHandler('SIGINT', () => {
+    handleTermination();
+  });
+  registerExitHandler('SIGTERM', () => {
+    handleTermination();
+  });
 
   return new Promise<{ app: Server; url: URL }>((res) => {
     app.listen(port, host, () => {