⚡ bolt: cache document layout dimensions for scroll performance#22
⚡ bolt: cache document layout dimensions for scroll performance#22
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Deploying personal-website with
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| Branch Preview URL: | https://bolt-scroll-progress-cache-2.personal-website-5ns.pages.dev |
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💡 what: cached
document.documentelement.scrollheightandwindow.innerheightinscrollprogressandsectionnav. invalidated and re-cached the properties using aresizeobserveron the root document.🎯 why: accessing
document.documentelement.scrollheightdirectly inrequestanimationframeinsidescrollprogressand high-frequencyintersectionobservercallbacks insectionnavcauses continuous forced synchronous layouts, degrading scroll performance.📊 impact: completely eliminates synchronous layout calculations (layout thrashing) triggered directly by scrolling.
🔬 measurement: tested locally to verify scroll progress operates properly. code review passed and
.jules/bolt.mdjournal has been updated with learnings.PR created automatically by Jules for task 2987976743490275515 started by @dttdrv