From 8bf8319042fda111ea3b382d93142616f796431b Mon Sep 17 00:00:00 2001
From: Nathan Flurry <developer@nathanflurry.com>
Date: Sat, 7 Mar 2026 17:44:24 -0800
Subject: [PATCH] Fix terminal WebSocket ready state checks

---
 sdks/typescript/src/client.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/sdks/typescript/src/client.ts b/sdks/typescript/src/client.ts
index e4bbb2d..9db9762 100644
--- a/sdks/typescript/src/client.ts
+++ b/sdks/typescript/src/client.ts
@@ -681,7 +681,7 @@ export class ProcessTerminalSession {
   }
 
   close(): void {
-    if (this.socket.readyState === WebSocket.CONNECTING) {
+    if (this.socket.readyState === WS_READY_STATE_CONNECTING) {
       this.socket.addEventListener(
         "open",
         () => {
@@ -692,7 +692,7 @@ export class ProcessTerminalSession {
       return;
     }
 
-    if (this.socket.readyState === WebSocket.OPEN) {
+    if (this.socket.readyState === WS_READY_STATE_OPEN) {
       if (!this.closeSignalSent) {
         this.closeSignalSent = true;
         this.sendFrame({ type: "close" });
@@ -701,7 +701,7 @@ export class ProcessTerminalSession {
       return;
     }
 
-    if (this.socket.readyState !== WebSocket.CLOSED) {
+    if (this.socket.readyState !== WS_READY_STATE_CLOSED) {
       this.socket.close();
     }
   }
@@ -743,7 +743,7 @@ export class ProcessTerminalSession {
   }
 
   private sendFrame(frame: ProcessTerminalClientFrame): void {
-    if (this.socket.readyState !== WebSocket.OPEN) {
+    if (this.socket.readyState !== WS_READY_STATE_OPEN) {
       return;
     }
 
@@ -757,6 +757,10 @@ export class ProcessTerminalSession {
   }
 }
 
+const WS_READY_STATE_CONNECTING = 0;
+const WS_READY_STATE_OPEN = 1;
+const WS_READY_STATE_CLOSED = 3;
+
 export class SandboxAgent {
   private readonly baseUrl: string;
   private readonly token?: string;