fix: remove instanceof Error check causing issues in Jest

Fixes puppeteer#8497.
jimmydief · Jun 9, 2022 · 330d560 · 330d560
1 parent 465a7c4
commit 330d560
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/src/node/BrowserRunner.ts b/src/node/BrowserRunner.ts
@@ -330,12 +330,10 @@ function pidExists(pid: number): boolean {
   try {
     return process.kill(pid, 0);
   } catch (error) {
-    if (error instanceof Error) {
-      const err = error as NodeJS.ErrnoException;
-      if (err.code && err.code === 'ESRCH') {
-        return false;
-      }
+    if ((error as NodeJS.ErrnoException).code === 'ESRCH') {
+      return false;
     }
+
     throw error;
   }
 }