Reuse cached loading segment data when loading state is re-triggered#62347
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| vercel/next.js canary | vercel/next.js 02-21-Expire_loading_state_cache_separately_from_cache_node_data | Change | |
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| buildDurationCached | 8.4s | 6.3s | N/A |
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| nextStartRea..uration (ms) | 430ms | 437ms | N/A |
Client Bundles (main, webpack) Overall increase ⚠️
| vercel/next.js canary | vercel/next.js 02-21-Expire_loading_state_cache_separately_from_cache_node_data | Change | |
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| 3304.HASH.js gzip | 181 B | 181 B | ✓ |
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| polyfills-HASH.js gzip | 31 kB | 31 kB | ✓ |
| Overall change | 31 kB | 31 kB | ✓ |
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| vercel/next.js canary | vercel/next.js 02-21-Expire_loading_state_cache_separately_from_cache_node_data | Change | |
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| app-page-exp...dev.js gzip | 171 kB | 171 kB | N/A |
| app-page-exp..prod.js gzip | 96.5 kB | 96.5 kB | N/A |
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build cache Overall increase ⚠️
| vercel/next.js canary | vercel/next.js 02-21-Expire_loading_state_cache_separately_from_cache_node_data | Change | |
|---|---|---|---|
| 0.pack gzip | 1.56 MB | 1.56 MB | N/A |
| index.pack gzip | 105 kB | 105 kB | |
| Overall change | 105 kB | 105 kB |
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This restores the test that was disabled in #61573 by implementing the behavior differently. Previously we would "partially" expire the prefetch cache and reuse the loading data from the stale prefetch.
Now that we no longer re-use stale prefetch data, this PR instead updates the logic to re-use the existing cache node's
loading. Since the PR that this is stacked upon has moved all loading data to be part of the cache node seed data, we can copy over the existing entry when navigating.Closes NEXT-2558