From dcf871f3a02dd022897e7b6bf3cfc2ff2b9b3760 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Thu, 9 May 2019 17:44:38 -0500
Subject: [PATCH] fix: guard against socket going away

---
 server/traits/informed.trait.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/server/traits/informed.trait.js b/server/traits/informed.trait.js
index 3537198..c6979b1 100644
--- a/server/traits/informed.trait.js
+++ b/server/traits/informed.trait.js
@@ -259,9 +259,6 @@ export class Informed extends decorate(Trait) {
     return {
 
       inform: (state) => {
-        if (!this._socket) {
-          return;
-        }
         // Reduce state.
         const reducedState = this.reduceState(state);
         // Take a pure JS diff.
@@ -278,10 +275,14 @@ export class Informed extends decorate(Trait) {
         // Emit!
         const keys = this._packer.computeNewKeys(steps);
         if (0 !== keys[0].length) {
-          this._socket.send(new StateKeysPacket(keys));
+          if (this._socket) {
+            this._socket.send(new StateKeysPacket(keys));
+          }
         }
         const packed = this._packer.pack(steps);
-        this._socket.send(new StatePacket(packed));
+        if (this._socket) {
+          this._socket.send(new StatePacket(packed));
+        }
       },
 
       seesEntity: (entity) => {