feat(docs): add interactive iframe demos to FSL and Long Task pages - #87
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Embed the render-pipeline and event-loop demos from joanleon.dev as interactive iframes, reusing the self-contained HTML from the blog. They complement the existing mermaid diagrams rather than replacing them, adding the temporal "why" that a static diagram cannot convey. - Add reusable Demo component: iframe wrapper with postMessage auto-height and light/dark theme sync via shared localStorage - Embed raf-pipeline in Forced-Synchronous-Layout, next to the double-rAF fix - Embed yield-pipeline in Long Task under a new "Breaking Up Long Tasks" section on yielding to the main thread - Remove the duplicate "Severity Levels" mermaid in Long Task (the thresholds table above already covers it)
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What
Adds interactive iframe demos to two Interaction snippet pages, reusing the self-contained demos from joanleon.dev.
raf-pipelinedemo next to the double-requestAnimationFramefix, so readers can step through the render pipeline and see why the double rAF avoids the forced layout.yield-pipelinedemo, comparing no-yield /queueMicrotask/setTimeoutin the event loop.Why
The demos complement the existing mermaid diagrams rather than replacing them, adding the temporal "why" that a static diagram cannot convey. Diagrams that document a snippet's internal mechanism (like the FSL detector
sequenceDiagram) are kept.Changes
Democomponent: iframe wrapper with postMessage auto-height and light/dark theme sync via sharedlocalStorage(same origin as Nextra's next-themes).public/demos/.Verification
Verified at runtime (
next dev) on both pages: iframes render inline, auto-height works, demos are interactive (step-through), light/dark theme syncs, andcheck:consistencypasses.