fix(runtime/websocket): respond to ping with pong (#8974)

1 files changed, 9 insertions, 0 deletions

diff --git a/runtime/js/27_websocket.js b/runtime/js/27_websocket.js
index 60428c24d..9f86bdbed 100644
--- a/runtime/js/27_websocket.js
+++ b/runtime/js/27_websocket.js
@@ -167,6 +167,7 @@
         this.#bufferedAmount += ta.size;
         core.jsonOpAsync("op_ws_send", {
           rid: this.#rid,
+          kind: "binary",
         }, ta).then(() => {
           this.#bufferedAmount -= ta.size;
         });
@@ -193,6 +194,7 @@
         this.#bufferedAmount += d.size;
         core.jsonOpAsync("op_ws_send", {
           rid: this.#rid,
+          kind: "text",
           text: string,
         }).then(() => {
           this.#bufferedAmount -= d.size;
@@ -266,6 +268,13 @@
           this.dispatchEvent(event);
 
           this.#eventLoop();
+        } else if (message.type === "ping") {
+          core.jsonOpAsync("op_ws_send", {
+            rid: this.#rid,
+            kind: "pong",
+          });
+
+          this.#eventLoop();
         } else if (message.type === "close") {
           this.#readyState = CLOSED;
           const event = new CloseEvent("close", {