default ws close codes to 1001 in case they are undefined (Effect-TS#1743)

Author: tim-smart

.changeset/sunny-bikes-sleep.md

@@ -0,0 +1,5 @@
+---
+"effect": patch
+---
+
+default ws close codes to 1001 in case they are undefined

packages/effect/src/unstable/socket/Socket.ts

@@ -495,14 +495,15 @@ export const fromWebSocket = <RO>(
           )
         }
         function onClose(event: globalThis.CloseEvent) {
+          const code = typeof event.code === "number" ? event.code : 1001
           ws.removeEventListener("message", onMessage)
           ws.removeEventListener("error", onError)
           Deferred.doneUnsafe(
             fiberSet.deferred,
             Effect.fail(
               new SocketError({
                 reason: new SocketCloseError({
-                  code: event.code,
+                  code,
                   closeReason: event.reason
                 })
               })

packages/platform-bun/src/BunHttpServer.ts

@@ -83,6 +83,7 @@ export const make = Effect.fnUntraced(
           ws.data.run(message)
         },
         close(ws, code, closeReason) {
+          code = typeof code === "number" ? code : 1001
           Deferred.doneUnsafe(
             ws.data.closeDeferred,
             Socket.defaultCloseCodeIsError(code)