client: check the global variable exists

AlcaDesign · AlcaDesign · commit a62692424f71 · 2020-07-09T07:43:16.000-05:00
Closes #369
diff --git a/lib/client.js b/lib/client.js
@@ -4,7 +4,8 @@ var eventEmitter = require("./events").EventEmitter;
 var logger = require("./logger");
 var parse = require("./parser");
 var timer = require("./timer");
-var ws = global.WebSocket || global.MozWebSocket || require("ws");
+var _global = typeof global !== "undefined" ? global : typeof window !== "undefined" ? window : {};
+var ws = _global.WebSocket || require("ws");
 var _ = require("./utils");
 
 // Client instance..
