From: Iskren Chernev <iskren.chernev@gmail.com>
Date: Wed, 8 Jul 2015 11:20:53 +0000 (+0800)
Subject: Fix function check to workaround old browsers, fixes #2325
X-Git-Tag: 2.10.5~20^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82c98f70f50bc2154e630656c6510926ba2fa1fe;p=thirdparty%2Fmoment.git

Fix function check to workaround old browsers, fixes #2325
---

diff --git a/src/lib/parse/regex.js b/src/lib/parse/regex.js
index 23091a083..9e7d6788c 100644
--- a/src/lib/parse/regex.js
+++ b/src/lib/parse/regex.js
@@ -22,8 +22,15 @@ import hasOwnProp from '../utils/has-own-prop';
 
 var regexes = {};
 
+function isFunction (sth) {
+    // https://github.com/moment/moment/issues/2325
+    return typeof sth === 'function' &&
+        Object.prototype.toString.call(sth) === '[object Function]';
+}
+
+
 export function addRegexToken (token, regex, strictRegex) {
-    regexes[token] = typeof regex === 'function' ? regex : function (isStrict) {
+    regexes[token] = isFunction(regex) ? regex : function (isStrict) {
         return (isStrict && strictRegex) ? strictRegex : regex;
     };
 }