From 13d505cbc12f307f780fff9e242b82ef2b3e0672 Mon Sep 17 00:00:00 2001
From: rlx <rlx@rolux.org>
Date: Sat, 16 Jan 2016 20:28:43 +0530
Subject: [PATCH] add dashes option to Ox.formatISBN

---
 source/Ox/js/Format.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/source/Ox/js/Format.js b/source/Ox/js/Format.js
index d151dc1a..b04fb507 100644
--- a/source/Ox/js/Format.js
+++ b/source/Ox/js/Format.js
@@ -644,12 +644,12 @@ Ox.formatISBN <f> Formats a string as an ISBN of a given length (10 or 13)
     (isbn, length) -> <s> ISBN
     isbn <s> ISBN
     length <n> length (10 or 13)
-    > Ox.formatISBN('0-306-40615-2', 13)
-    '9780306406157'
+    > Ox.formatISBN('0-306-40615-2', 13, true)
+    '978-0-306-40615-7'
     > Ox.formatISBN('978-0-306-40615-7', 10)
     '0306406152'
 @*/
-Ox.formatISBN = function(isbn, length) {
+Ox.formatISBN = function(isbn, length, dashes) {
     var ret = '';
     function getCheckDigit(isbn) {
         var mod = isbn.length == 10 ? 11 : 10
@@ -676,7 +676,13 @@ Ox.formatISBN = function(isbn, length) {
             ret = isbn.slice(0, -1) + getCheckDigit(isbn);
         }
     }
-    return ret;
+    return dashes ? [
+        ret.slice(-13, -10),
+        ret.slice(-10, -9),
+        ret.slice(-9, -6),
+        ret.slice(-6, -1),
+        ret.slice(-1)
+    ].join('-').replace(/^-/, '') : ret;
 };
 
 /*@