Function bootHeavy

public/js/main.js:1860–1997

(preAuthState)

  // ---------- HEAVY BOOT ----------
  async function bootHeavy(preAuthState) {
    if (window.__FR_FLAGS.bootPromise) return window.__FR_FLAGS.bootPromise;
    window.__FR_FLAGS.bootPromise = (async () => {
      if (window.__FR_FLAGS.booted) return; // no-op if somehow set
      window.__FR_FLAGS.booted = true;
      ensureToastReady();
      // show chrome

      const hb = document.querySelector('.header-buttons'); if (hb) hb.style.visibility = 'visible';
      const ov = document.getElementById('loadingOverlay'); if (ov) ov.style.display = 'flex';

      try {
        // 0) refresh auth snapshot (once)
        let state = preAuthState || {};
        try {
          if (!state || !Object.keys(state).length) {
            const r = await fetch('/api/auth/checkAuth.php', { credentials: 'include' });
            state = await r.json();
          }
          if (state && state.username) localStorage.setItem('username', state.username);
          if (typeof state.isAdmin !== 'undefined') localStorage.setItem('isAdmin', state.isAdmin ? '1' : '0');
          window.__FR_AUTH_STATE = state;
        } catch (e) { }

        // authed → heavy boot path
        document.body.classList.add('authed');

        // 1) i18n (safe)
        // i18n: honor saved language first, then apply translations
        try {
          const i18n = await import(withBase('/js/i18n.js?v={{APP_QVER}}')).catch(async (err) => {
            console.error('[boot] import i18n.js failed (versioned)', err && err.message, err && err.sourceURL);
            return import(withBase('/js/i18n.js'));
          });
          let saved = 'en';
          try { saved = localStorage.getItem('language') || 'en'; } catch (e) { }
          let appliedLocale = saved;
          if (typeof i18n.setLocale === 'function') { appliedLocale = await i18n.setLocale(saved); }
          if (typeof i18n.applyTranslations === 'function') { i18n.applyTranslations(); }
          try { document.documentElement.setAttribute('lang', appliedLocale); } catch (e) { }
        } catch (e) {
          console.error('[boot] i18n import/apply failed', e && e.message, e && e.sourceURL);
        }
        // 2) core app — **initialize exactly once** (this calls initUpload/initFileActions/loadFolderTree/etc.)
        const app = await import(withBase('/js/appCore.js?v={{APP_QVER}}')).catch(async (err) => {
          console.error('[boot] import appCore.js failed (versioned)', err && err.message, err && err.sourceURL);
          return import(withBase('/js/appCore.js'));
        });
        if (!window.__FR_FLAGS.initialized) {
          if (typeof app.loadCsrfToken === 'function') await app.loadCsrfToken();
          if (typeof app.initializeApp === 'function') app.initializeApp();
          const darkBtn = document.getElementById('darkModeToggle');
          if (darkBtn) {
            darkBtn.removeAttribute('hidden');
            darkBtn.style.setProperty('display', 'inline-flex', 'important'); // beats any CSS
            darkBtn.style.visibility = ''; // just in case
          }
          const link = document.createElement('link');