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perf: disable prefetching for links in viewport in development for app routes #43730

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merged 2 commits into from Dec 5, 2022
Merged

perf: disable prefetching for links in viewport in development for app routes #43730

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c432a8b
disable prefetching on dev for links
feedthejim Dec 5, 2022
2d52f18
Update packages/next/client/link.tsx
feedthejim Dec 5, 2022
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5 changes: 5 additions & 0 deletions packages/next/client/link.tsx
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Expand Up @@ -522,6 +522,11 @@ const Link = React.forwardRef<HTMLAnchorElement, LinkPropsReal>(

// Prefetch the URL if we haven't already and it's visible.
React.useEffect(() => {
// in dev, we only prefetch on hover to avoid wasting resources
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if (process.env.NODE_ENV !== 'production') {
return
}

if (!router) {
return
}
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