preload lint fixes

Author: Carnoisseur1979

src/shared/process-lazy-preloader.js

@@ -9,25 +9,25 @@ export const processLazyPreloader = (swiper, imageEl) => {
 };
 
 const unlazy = (swiper, index) => {
-  const imageEl = swiper.slides[i].querySelector('loading="lazy"');
+  const imageEl = swiper.slides[index].querySelector('loading="lazy"');
   if (imageEl) imageEl.removeAttribute('loading');
 };
 
 export const preload = (swiper) => {
   if (!swiper || swiper.destroyed || !swiper.params) return;
-  var amount = swiper.params.lazyPreloadPrevNext;
+  let amount = swiper.params.lazyPreloadPrevNext;
   const len = swiper.slides.length;
   if (!len || !amount || amount < 0) return;
   amount = Math.min(amount, len);
   const active = swiper.activeSlide;
   if (swiper.params.rewind) {
-    for (var i = active - amount; i <= active + amount; i++) {
+    for (let i = active - amount; i <= active + amount; i += 1) {
       const reali = ((i % len) + len) % len;
-      if (reali != active) unlazy(swiper, reali);
+      if (reali !== active) unlazy(swiper, reali);
     }
   } else {
-    for (var i = Math.max(active - amount, 0); i <= Math.min(active + amount, len - 1); i++) {
-      if (i != active) unlazy(swiper, i);
+    for (let i = Math.max(active - amount, 0); i <= Math.min(active + amount, len - 1); i += 1) {
+      if (i !== active) unlazy(swiper, i);
     }
   }
 };