fix: remove instanceof Error check causing issues in Jest

Fixes puppeteer#8497.
jimmydief · Jun 9, 2022 · fbd7dd1 · fbd7dd1
1 parent 465a7c4
commit fbd7dd1
Showing 1 changed file with 4 additions and 6 deletions.
diff --git a/src/node/BrowserRunner.ts b/src/node/BrowserRunner.ts
@@ -329,13 +329,11 @@ function waitForWSEndpoint(
 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;
-      }
+  } catch (error: NodeJS.ErrnoException) {
+    if (err.code === 'ESRCH') {
+      return false;
     }
+
     throw error;
   }
 }