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feat: optimize Banner Performance with Lazy Loading #3351

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feat: optimize Banner Performance with Lazy Loading #3351

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caaf607
feat : optimize Banner Performance with Lazy Loading
Manancode Oct 30, 2024
98e6c72
fixing lint
Manancode Oct 30, 2024
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9 changes: 7 additions & 2 deletions components/campaigns/AnnouncementHero.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,11 @@ export default function AnnouncementHero({ className = '', small = false }: IAnn
)}
<div className='relative flex w-5/6 flex-col items-center justify-center gap-2'>
<div className='relative flex min-h-72 w-full items-center justify-center overflow-hidden lg:h-[17rem] lg:w-[38rem]'>
{visibleBanners.map((banner, index) => (
{visibleBanners.map((banner, index) => {
// Only render active banner and immediate neighbors
const isVisible = Math.abs(index - (activeIndex % numberOfVisibleBanners)) <= 1;
if (!isVisible) return null;
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🛠️ Refactor suggestion

Improve code readability with a dedicated visibility check function

The visibility calculation logic could be more maintainable and self-documenting.

Consider extracting the visibility logic:

+ const isBannerVisible = (index: number, activeIndex: number, total: number) => {
+   const normalizedIndex = activeIndex % total;
+   return Math.abs(index - normalizedIndex) <= 1;
+ };

  {visibleBanners.map((banner, index) => {
-   const isVisible = Math.abs(index - (activeIndex % numberOfVisibleBanners)) <= 1;
+   const isVisible = isBannerVisible(index, activeIndex, numberOfVisibleBanners);
    if (!isVisible) return null;
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
// Only render active banner and immediate neighbors
const isVisible = Math.abs(index - (activeIndex % numberOfVisibleBanners)) <= 1;
if (!isVisible) return null;
const isBannerVisible = (index: number, activeIndex: number, total: number) => {
const normalizedIndex = activeIndex % total;
return Math.abs(index - normalizedIndex) <= 1;
};
// Only render active banner and immediate neighbors
const isVisible = isBannerVisible(index, activeIndex, numberOfVisibleBanners);
if (!isVisible) return null;

return(
<Banner
key={index}
title={banner.title}
Expand All @@ -76,7 +80,8 @@ export default function AnnouncementHero({ className = '', small = false }: IAnn
className={className}
small={small}
/>
))}
);
})}
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</div>
<div className='m-auto flex justify-center'>
{visibleBanners.map((banner, index) => (
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