Scott.Idem/OSIT-AE-App-Svelte
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perf(launcher): implement staggered data loading for sessions and presentations

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- Optimized session list load to be shell-only, preventing initial request storms.\n- Moved deep data fetching (presenters/files) into the Presentation component level using Svelte effects.\n- Deferred child collection lookups until components are rendered in the DOM.\n- Fixed ae_api import in launcher_presentation_view.\n- Hardened background refresh logic to respect requested views.
This commit is contained in:
Scott Idem
2026-02-10 17:30:30 -05:00
parent 8a05e48514
commit be53e12d63
4 changed files with 51 additions and 6 deletions
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4
src/lib/ae_events/ae_events__event_presentation.ts
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@@ -153,9 +153,13 @@ export async function load_ae_obj_li__event_presentation({
_refresh_presentation_li_background({ api_cfg, for_obj_type, for_obj_id, inc_file_li, inc_presenter_li, enabled, hidden, view, limit, offset, order_by_li, try_cache, log_lvl: 0 });
// Warm cache for nested loads in the background (FIRE AND FORGET)
// DEPRECATED Optimization: Don't fire child loads for every item in a list here.
// Let the specific Presentation component handle its own children to stagger requests.
/*
cached_li.forEach(p => {
_handle_nested_loads(p, { api_cfg, inc_file_li, inc_presenter_li, enabled, hidden, limit, offset, try_cache, log_lvl: 0 });
});
*/
return cached_li;
}

11
src/lib/ae_events/ae_events__event_session.ts
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@@ -198,7 +198,8 @@ export async function load_ae_obj_li__event_session({
// Background refresh (non-blocking)
_refresh_session_li_background({
api_cfg, for_obj_type, for_obj_id, view,
inc_file_li, inc_all_file_li, inc_presentation_li, inc_presenter_li,
// Optimization: Disable nested loads for list members to prevent request storms
inc_file_li: false, inc_all_file_li: false, inc_presentation_li: false, inc_presenter_li: false,
enabled, hidden, limit, offset, order_by_li, try_cache,
log_lvl: log_lvl > 1 ? log_lvl : 0
});
@@ -231,6 +232,14 @@ async function _refresh_session_li_background({ api_cfg, for_obj_type, for_obj_i
await db_save_ae_obj_li__ae_obj({ db_instance: db_events, table_name: 'session', obj_li: processed, properties_to_save, log_lvl });
if (log_lvl) console.log(`💾 [Trace] _refresh_session_li: Saved to IDB cache.`);
}
// Fire nested loads for each session only if explicitly requested (usually only for single objects)
if (inc_file_li || inc_presentation_li) {
processed.forEach(s => {
_handle_nested_loads(s, { api_cfg, inc_file_li, inc_all_file_li, inc_presentation_li, inc_presenter_li, enabled, hidden, limit, offset, try_cache, log_lvl: 0 });
});
}
return processed;
}
} catch (e) {