perf(studio): lightweight preview reload and skip asset overlay on refreshes#892
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miguel-heygen wants to merge 2 commits into
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perf(studio): lightweight preview reload and skip asset overlay on refreshes#892miguel-heygen wants to merge 2 commits into
miguel-heygen wants to merge 2 commits into
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…rdown Content refreshes (paste, move, resize, delete, asset drop) previously triggered setRefreshKey which changed the Player's React key, causing full web-component destruction + iframe teardown + crossfade animation + re-initialization of all event listeners and asset polling. Now NLELayout intercepts refreshKey changes and calls refreshPlayer() which just appends a cache-busting _t param to the iframe src. The Player web component stays alive, event listeners persist, and the reload is ~10x faster with no "waiting for media" flash. Key-based teardown is preserved for actual structural changes (project switch, composition drill-down via directUrl change).
The asset-loading overlay ("Preparing preview assets") polled for
video/audio readyState on every iframe load, including content
refreshes from paste/move/resize. On reloads the browser serves
assets from cache so they resolve near-instantly — the overlay
just created a disruptive flash. Now skips the polling on
subsequent loads (loadCountRef > 1), only showing it on the
initial cold load.
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Summary
Stacked on #891.
refreshPlayer()(iframe.src with cache-busting param) instead of destroying and recreating the entire Player web component via React key change. No more full teardown + crossfade animation + re-initialization.Test plan