1 files changed, 6 insertions, 1 deletions
diff --git a/src/luaconf.js b/src/luaconf.js
index 4bf8583..533e316 100644
--- a/src/luaconf.js
+++ b/src/luaconf.js
@@ -38,7 +38,11 @@ const LUA_INTEGER_FMT = `%${LUA_INTEGER_FRMLEN}d`;
 const LUA_NUMBER_FMT  = "%.14g";
 
 const lua_getlocaledecpoint = function() {
-    return (1.1).toLocaleString().substring(1, 2);
+    return (1.1).toLocaleString().charCodeAt(1);
+};
+
+const luai_apicheck = function(l, e) {
+    if (!e) throw Error(e);
 };
 
 // See: http://croquetweak.blogspot.fr/2014/08/deconstructing-floats-frexp-and-ldexp.html
@@ -78,3 +82,4 @@ module.exports.lua_getlocaledecpoint = lua_getlocaledecpoint;
 module.exports.lua_integer2str       = lua_integer2str;
 module.exports.lua_number2str        = lua_number2str;
 module.exports.lua_numbertointeger   = lua_numbertointeger;
+module.exports.luai_apicheck         = luai_apicheck;