fix: Prevent messages from being sent if the socket is closed

KallynGowdy · KallynGowdy · commit 271a5a9f5789 · 2020-07-27T18:53:18.000-04:00
diff --git a/deno/index.ts b/deno/index.ts
@@ -54,6 +54,9 @@ async function init() {
 }
 
 async function sendMessage(message: any, socket: WebSocket) {
+    if (socket.isClosed) {
+        return;
+    }
     const structured = serializeStructure(message);
     const json = JSON.stringify(structured);
     return socket.send(json);

Original file line number	Diff line number	Diff line change
`@@ -54,6 +54,9 @@ async function init() {`
`54`	`54`	`}`
`55`	`55`
`56`	`56`	`async function sendMessage(message: any, socket: WebSocket) {`
	`57`	`+ if (socket.isClosed) {`
	`58`	`+ return;`
	`59`	`+ }`
`57`	`60`	`const structured = serializeStructure(message);`
`58`	`61`	`const json = JSON.stringify(structured);`
`59`	`62`	`return socket.send(json);`