⚡ Bolt: Optimize render loop by pre-calculating properties#28
⚡ Bolt: Optimize render loop by pre-calculating properties#28MrAlokTech wants to merge 1 commit intomainfrom
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Co-authored-by: MrAlokTech <107493955+MrAlokTech@users.noreply.github.com>
Deploying classnotes with
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b002fa8
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| Preview URL: | https://5b233a61.classnotes.pages.dev |
| Branch Preview URL: | https://bolt-optimize-render-propert.classnotes.pages.dev |
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💡 What:
Created a
prepareSearchIndexfunction that pre-calculates_isNew,_formattedDate, and a_searchStrfor each PDF object during data load. UpdatedrenderPDFsandcreatePDFCardto use these pre-calculated properties and employed fast-path early returns for filtering.🎯 Why:
Doing expensive operations like
new Date()parsing, date arithmetic, and multiple string concatenations with.toLowerCase()inside hot rendering loops creates unnecessary CPU overhead on the main thread, especially as the size of the database grows.📊 Impact:
Significantly reduces main-thread CPU overhead during re-renders (like when the user types in the search bar) by replacing expensive date instantiations and string mutations with O(1) property lookups and early boolean returns.
🔬 Measurement:
Search filtering and rendering feels instantly responsive. The optimization preserves exact feature parity, which is verified by existing test scripts and the visual UI check using Playwright.
PR created automatically by Jules for task 10567952851308917332 started by @MrAlokTech