build(deps): bump playwright from 1.49.1 to 1.50.1

node_modules/playwright/lib/plugins/webServerPlugin.js

@@ -78,7 +78,7 @@ class WebServerPlugin {
     debugWebServer(`Starting WebServer process ${this._options.command}...`);
     const {
       launchedProcess,
-      kill
+      gracefullyClose
     } = await (0, _utils.launchProcess)({
       command: this._options.command,
       env: {
@@ -89,14 +89,30 @@ class WebServerPlugin {
       cwd: this._options.cwd,
       stdio: 'stdin',
       shell: true,
-      // Reject to indicate that we cannot close the web server gracefully
-      // and should fallback to non-graceful shutdown.
-      attemptToGracefullyClose: () => Promise.reject(),
+      attemptToGracefullyClose: async () => {
+        if (process.platform === 'win32') throw new Error('Graceful shutdown is not supported on Windows');
+        if (!this._options.gracefulShutdown) throw new Error('skip graceful shutdown');
+        const {
+          signal,
+          timeout = 0
+        } = this._options.gracefulShutdown;
+
+        // proper usage of SIGINT is to send it to the entire process group, see https://www.cons.org/cracauer/sigint.html
+        // there's no such convention for SIGTERM, so we decide what we want. signaling the process group for consistency.
+        process.kill(-launchedProcess.pid, signal);
+        return new Promise((resolve, reject) => {
+          const timer = timeout !== 0 ? setTimeout(() => reject(new Error(`process didn't close gracefully within timeout`)), timeout) : undefined;
+          launchedProcess.once('close', (...args) => {
+            clearTimeout(timer);
+            resolve();
+          });
+        });
+      },
       log: () => {},
       onExit: code => processExitedReject(new Error(code ? `Process from config.webServer was not able to start. Exit code: ${code}` : 'Process from config.webServer exited early.')),
       tempDirectories: []
     });
-    this._killProcess = kill;
+    this._killProcess = gracefullyClose;
     debugWebServer(`Process started`);
     launchedProcess.stderr.on('data', data => {
       var _onStdErr, _ref;