Add support for `lazySrc` for thumbs

3 years ago · 7c9afc3c3f
3 changed files with 7 additions and 3 deletions
--- a/dist/fancybox.esm.js
+++ b/dist/fancybox.esm.js
--- a/dist/fancybox.umd.js
+++ b/dist/fancybox.umd.js
--- a/src/Fancybox/Fancybox.js
+++ b/src/Fancybox/Fancybox.js
@ -329,8 +329,12 @@ class Fancybox extends Base {
      // Get thumbnail image source
      let thumb = slide.thumb;

-      if (!thumb && slide.$thumb) {
+      if (!thumb && $thumb) {
        thumb = $thumb.currentSrc || $thumb.src;
+
+        if (!thumb && $thumb.dataset) {
+          thumb = $thumb.dataset.lazySrc || $thumb.dataset.src;
+        }
      }

      // Assume we have image, then use it as thumbnail