@expofp/floorplan/dist/esm/utils/swappable-proxy.d.ts

Interactive floor plan library for expos and events

/**
 * A stable object that forwards every operation to whatever instance is live
 * at the moment of access — the mechanism behind the one-live-plan contract
 * (ADR-0011). Importers hold the proxy forever; a plan swap replaces the
 * instance underneath it, and the dead window between `destroy()` and the next
 * `load()` (when `resolve` yields nothing) makes every access throw rather than
 * silently serve a dead object.
 *
 * MobX 5 tolerates this because its administration lives on the instance and
 * every trap dereferences afresh — proven end-to-end by the spike recorded in
 * `docs/2026-08-27-plan-swap-proxy-spike-verdict.md` and locked in by
 * `store/live-store.spec.tsx`. The one thing it cannot paper over: a reaction
 * created before a swap stays subscribed to the old instance, which is why
 * `destroy()` disposes every reaction it owns.
 *
 * Used by the store barrel (`store/live-store.ts`) and by the event-data
 * bindings that importers hold as objects rather than call as functions —
 * `data/index.ts` and `tools/settings.ts`.
 *
 * Note that proxy identity is not instance identity — `store.uiState` is not
 * `===` the `uiState` export. No store-object identity comparisons exist in
 * `src` today; don't introduce one.
 *
 * @param name How the proxy is known to importers, used in the dead-window error.
 * @param resolve Yields the live instance, or a nullish value while none is.
 */
export declare function createSwappableProxy<T extends object>(name: string, resolve: () => T | null | undefined): T;
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