From 6ac4cba004f4c53e5b44bf255a85545b44bf34c6 Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Wed, 27 Sep 2017 23:20:47 +1000
Subject: src/loadlib.js: If JS library returns undefined, look in window
 object

---
 src/loadlib.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/loadlib.js b/src/loadlib.js
index 7a50556..4116b0a 100644
--- a/src/loadlib.js
+++ b/src/loadlib.js
@@ -58,6 +58,8 @@ if (WEB) {
             let res = func(fengari);
             if (typeof res === "function" || (typeof res === "object" && res !== null)) {
                 return res;
+            } else if (res === void 0) { /* assume library added symbols to global environment */
+                return window;
             } else {
                 lua.lua_pushstring(L, lua.to_luastring(`library returned unexpected type (${typeof res})`));
                 return null;
-- 
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