From b096200fedfd6678f141c29733be5726f4b2ef6c Mon Sep 17 00:00:00 2001
From: lpotherat <l.potherat@planetb.fr>
Date: Tue, 27 Feb 2018 13:49:13 +0100
Subject: [PATCH] added data-srcset parameter in href

added data-srcset parameter in href, in order to set dimensions in srcset attribute of lightbox generated image.
---
 src/js/lightbox.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/js/lightbox.js b/src/js/lightbox.js
index 5b8785aa..82e3a37e 100644
--- a/src/js/lightbox.js
+++ b/src/js/lightbox.js
@@ -213,6 +213,7 @@
     function addToAlbum($link) {
       self.album.push({
         alt: $link.attr('data-alt'),
+        srcset: $link.attr('data-srcset'),
         link: $link.attr('href'),
         title: $link.attr('data-title') || $link.attr('title')
       });
@@ -287,9 +288,13 @@
       var windowHeight;
       var windowWidth;
 
+      if(self.album[imageNumber].srcset == undefined){
+        $image.removeAttr('srcset');
+      }
       $image.attr({
         'alt': self.album[imageNumber].alt,
-        'src': self.album[imageNumber].link
+        'src': self.album[imageNumber].link,
+        'srcset': self.album[imageNumber].srcset
       });
 
       $preloader = $(preloader);