Node updated. Some todos.

Scripts/node_modules/@puppeteer/browsers/lib/cjs/launch.js

@@ -44,6 +44,8 @@ function computeSystemExecutablePath(options) {
 }
 exports.computeSystemExecutablePath = computeSystemExecutablePath;
 /**
+ * Launches a browser process according to {@link LaunchOptions}.
+ *
  * @public
  */
 function launch(opts) {
@@ -58,6 +60,49 @@ exports.CDP_WEBSOCKET_ENDPOINT_REGEX = /^DevTools listening on (ws:\/\/.*)$/;
  * @public
  */
 exports.WEBDRIVER_BIDI_WEBSOCKET_ENDPOINT_REGEX = /^WebDriver BiDi listening on (ws:\/\/.*)$/;
+const processListeners = new Map();
+const dispatchers = {
+    exit: (...args) => {
+        processListeners.get('exit')?.forEach(handler => {
+            return handler(...args);
+        });
+    },
+    SIGINT: (...args) => {
+        processListeners.get('SIGINT')?.forEach(handler => {
+            return handler(...args);
+        });
+    },
+    SIGHUP: (...args) => {
+        processListeners.get('SIGHUP')?.forEach(handler => {
+            return handler(...args);
+        });
+    },
+    SIGTERM: (...args) => {
+        processListeners.get('SIGTERM')?.forEach(handler => {
+            return handler(...args);
+        });
+    },
+};
+function subscribeToProcessEvent(event, handler) {
+    const listeners = processListeners.get(event) || [];
+    if (listeners.length === 0) {
+        process.on(event, dispatchers[event]);
+    }
+    listeners.push(handler);
+    processListeners.set(event, listeners);
+}
+function unsubscribeFromProcessEvent(event, handler) {
+    const listeners = processListeners.get(event) || [];
+    const existingListenerIdx = listeners.indexOf(handler);
+    if (existingListenerIdx === -1) {
+        return;
+    }
+    listeners.splice(existingListenerIdx, 1);
+    processListeners.set(event, listeners);
+    if (listeners.length === 0) {
+        process.off(event, dispatchers[event]);
+    }
+}
 /**
  * @public
  */
@@ -110,15 +155,15 @@ class Process {
             this.#browserProcess.stderr?.pipe(process.stderr);
             this.#browserProcess.stdout?.pipe(process.stdout);
         }
-        process.on('exit', this.#onDriverProcessExit);
+        subscribeToProcessEvent('exit', this.#onDriverProcessExit);
         if (opts.handleSIGINT) {
-            process.on('SIGINT', this.#onDriverProcessSignal);
+            subscribeToProcessEvent('SIGINT', this.#onDriverProcessSignal);
         }
         if (opts.handleSIGTERM) {
-            process.on('SIGTERM', this.#onDriverProcessSignal);
+            subscribeToProcessEvent('SIGTERM', this.#onDriverProcessSignal);
         }
         if (opts.handleSIGHUP) {
-            process.on('SIGHUP', this.#onDriverProcessSignal);
+            subscribeToProcessEvent('SIGHUP', this.#onDriverProcessSignal);
         }
         if (opts.onExit) {
             this.#onExitHook = opts.onExit;
@@ -168,10 +213,10 @@ class Process {
         }
     }
     #clearListeners() {
-        process.off('exit', this.#onDriverProcessExit);
-        process.off('SIGINT', this.#onDriverProcessSignal);
-        process.off('SIGTERM', this.#onDriverProcessSignal);
-        process.off('SIGHUP', this.#onDriverProcessSignal);
+        unsubscribeFromProcessEvent('exit', this.#onDriverProcessExit);
+        unsubscribeFromProcessEvent('SIGINT', this.#onDriverProcessSignal);
+        unsubscribeFromProcessEvent('SIGTERM', this.#onDriverProcessSignal);
+        unsubscribeFromProcessEvent('SIGHUP', this.#onDriverProcessSignal);
     }
     #onDriverProcessExit = (_code) => {
         this.kill();