check error in wrapper instead of in rust

src/lib.rs

@@ -303,14 +303,6 @@ impl Pty {
 #[napi]
 #[allow(dead_code)]
 fn pty_resize(fd: i32, size: Size) -> Result<(), napi::Error> {
-  // check the fd is still valid before we try to resize
-  if unsafe { libc::fcntl(fd, libc::F_GETFD) } == -1 {
-    return Err(napi::Error::new(
-      napi::Status::GenericFailure,
-      "fd not valid for resize",
-    ));
-  }
-
   let window_size = Winsize {
     ws_col: size.cols,
     ws_row: size.rows,

wrapper.ts

@@ -128,7 +128,18 @@ export class Pty {
       return;
     }
 
-    ptyResize(this.#fd, size);
+    try {
+      ptyResize(this.#fd, size);
+    } catch (e: unknown) {
+      if (e instanceof Error && 'code' in e && e.code === 'EBADF') {
+        // EBADF means the file descriptor is invalid. This can happen if the PTY has already
+        // exited but we don't know about it yet. In that case, we just ignore the error.
+        return;
+      }
+
+      // otherwise, rethrow
+      throw e;
+    }
   }
 
   get pid() {