Function runStoreMigrationIfNeeded

static/js/utils.js:54–95

()

// On fresh installs (no localStorage data) this is a no-op that just writes
// the migration flag so future upgrades can safely clear WebKit.
export async function runStoreMigrationIfNeeded() {
  if (!window.__TAURI__?.core?.invoke) return;
  try {
    // Check if any critical key is absent from the store but present in localStorage.
    const needs = await Promise.all(
      _MIGRATE_KEYS.map(async (k) => {
        const inStore = await window.__TAURI__.core.invoke("store_get", { key: k });
        return inStore === null && localStorage.getItem(k) !== null;
      })
    ).then((r) => r.some(Boolean));

    if (needs) {
      // Migrate fixed keys.
      for (const k of _MIGRATE_KEYS) {
        try {
          const raw = localStorage.getItem(k);
          if (raw !== null) {
            await window.__TAURI__.core.invoke("store_set", { key: k, value: JSON.parse(raw) });
          }
        } catch (e) { console.warn("[store] migration failed for key", k, e); }
      }
      // Migrate per-job mix keys (stemdeck:mix:<jobId>).
      for (let i = 0; i < localStorage.length; i++) {
        const k = localStorage.key(i);
        if (k?.startsWith("stemdeck:mix:")) {
          try {
            const raw = localStorage.getItem(k);
            if (raw !== null) {
              await window.__TAURI__.core.invoke("store_set", { key: k, value: JSON.parse(raw) });
            }
          } catch (e) { console.warn("[store] migration failed for key", k, e); }
        }
      }
    }

    // Write the flag regardless of whether migration was needed. This covers
    // fresh installs (no localStorage data) so future upgrades clear WebKit.
    await window.__TAURI__.core.invoke("mark_store_migration_done").catch((e) =>
      console.warn("[store] mark_store_migration_done failed:", e)
    );
  } catch (e) { console.warn("[store] migration error:", e); }
}

export function fmtTime(s) {
  if (!isFinite(s) || s < 0) return "00:00";