fix(core): fix lazy preloader in later initialized slides

fixes #6946
nolimits4web · Aug 30, 2023 · e4fddc0 · e4fddc0
1 parent 12a44fb
commit e4fddc0
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/src/shared/process-lazy-preloader.mjs b/src/shared/process-lazy-preloader.mjs
@@ -5,7 +5,17 @@ export const processLazyPreloader = (swiper, imageEl) => {
   if (slideEl) {
     let lazyEl = slideEl.querySelector(`.${swiper.params.lazyPreloaderClass}`);
     if (!lazyEl && swiper.isElement) {
-      lazyEl = slideEl.shadowRoot.querySelector(`.${swiper.params.lazyPreloaderClass}`);
+      if (slideEl.shadowRoot) {
+        lazyEl = slideEl.shadowRoot.querySelector(`.${swiper.params.lazyPreloaderClass}`);
+      } else {
+        // init later
+        requestAnimationFrame(() => {
+          if (slideEl.shadowRoot) {
+            lazyEl = slideEl.shadowRoot.querySelector(`.${swiper.params.lazyPreloaderClass}`);
+            if (lazyEl) lazyEl.remove();
+          }
+        });
+      }
     }
     if (lazyEl) lazyEl.remove();
   }