From fc47606d8733d2a3f4e9d5eab970efd58e458836 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <giann008@gmail.com>
Date: Sat, 27 May 2017 09:35:04 +0200
Subject: lua_tonumber should return 0 if value can't be converted to a number

---
 src/lapi.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lapi.js b/src/lapi.js
index 63ed33e..4abe0c2 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -714,7 +714,8 @@ const lua_tointeger = function(L, idx) {
 };
 
 const lua_tonumber = function(L, idx) {
-    return lvm.tonumber(index2addr(L, idx));
+    let n = lvm.tonumber(index2addr(L, idx));
+    return n === false ? 0 : n;
 };
 
 const lua_touserdata = function(L, idx) {
-- 
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