garrytan/gstack · error · Error

Tab ${id} not found

Error message

Tab ${id} not found

What it means

Error "Tab ${id} not found" thrown in garrytan/gstack.

Source

Thrown at browse/src/browser-manager.ts:819

    await page.close();
    this.pages.delete(tabId);
    this.tabSessions.delete(tabId);
    this.tabOwnership.delete(tabId);

    // Switch to another tab if we closed the active one
    if (tabId === this.activeTabId) {
      const remaining = [...this.pages.keys()];
      if (remaining.length > 0) {
        this.activeTabId = remaining[remaining.length - 1];
      } else {
        // No tabs left — create a new blank one
        await this.newTab();
      }
    }
  }

  switchTab(id: number, opts?: { bringToFront?: boolean }): void {
    if (!this.tabSessions.has(id)) throw new Error(`Tab ${id} not found`);
    this.activeTabId = id;
    // Only bring to front when explicitly requested (user-initiated tab switch).
    // Internal tab pinning (BROWSE_TAB) should NOT steal focus.
    if (opts?.bringToFront !== false) {
      const page = this.pages.get(id);
      if (page) page.bringToFront().catch(() => {});
    }
  }

  /**
   * Sync activeTabId to match the tab whose URL matches the Chrome extension's
   * active tab. Called on every /sidebar-tabs poll so manual tab switches in
   * the browser are detected within ~2s.
   */
  syncActiveTabByUrl(activeUrl: string): void {
    if (!activeUrl || this.pages.size <= 1) return;
    // Try exact match first, then fuzzy match (origin+pathname, ignoring query/fragment)
    let fuzzyId: number | null = null;

View on GitHub (pinned to 94993f7401)

When it happens

Trigger: Thrown at browse/src/browser-manager.ts:819 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of garrytan/gstack@94993f7401 (2026-08-12). Data as JSON: /api/errors/7bedefc1785dbe34. Report an issue: GitHub.