Reduce main-thread thrashing and eliminate full-page-reload on nav#265
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Reduce main-thread thrashing and eliminate full-page-reload on nav#265Blargian wants to merge 1 commit into
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Blargian
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Jun 24, 2026
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- Replace scroll-reset.js rAF polling loop (60fps, forever) with history.pushState/replaceState patch that fires ch:navigate events
- Use history.pushState in tab-nav.js for locale/tab navigation so switching translations is SPA-speed instead of a full page reload
- Add RAF debounce to the three unthrottled MutationObservers in navbar-cta.js, ask-ai-button.js, and quickstart-back-link.js; those observers fired on every React DOM mutation with no throttle
- Disconnect navbar-cta and ask-ai-button observers once injection succeeds — they don't need to keep watching after that
- Replace updateLogoTheme() with pure CSS display rules in styles.css
- Replace 9 inline style assignments in styleDropdownHeaders() with a single CSS class (.ch-mobile-nav-header) defined in styles.css
- Move all injectStyles() CSS blocks from JS into styles.css so they parse at load time rather than being injected late (affects clickhouse-sql-highlight.js, custom-footer.js, navbar-cta.js, ask-ai-button.js)
- Replace scroll-reset.js rAF polling loop (60fps, forever) with history.pushState/replaceState patch that fires ch:navigate events - Use history.pushState in tab-nav.js for locale/tab navigation so switching translations is SPA-speed instead of a full page reload - Add RAF debounce to the three unthrottled MutationObservers in navbar-cta.js, ask-ai-button.js, and quickstart-back-link.js; those observers fired on every React DOM mutation with no throttle - Disconnect navbar-cta and ask-ai-button observers once injection succeeds — they don't need to keep watching after that - Replace updateLogoTheme() with pure CSS display rules in styles.css - Replace 9 inline style assignments in styleDropdownHeaders() with a single CSS class (.ch-mobile-nav-header) defined in styles.css - Move all injectStyles() CSS blocks from JS into styles.css so they parse at load time rather than being injected late (affects clickhouse-sql-highlight.js, custom-footer.js, navbar-cta.js, ask-ai-button.js) Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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