Method resolveRef

browse/src/tab-session.ts:88–107

* Resolve a selector that may be a @ref (e.g., "@e3", "@c1") or a CSS selector. * Returns { locator } for refs or { selector } for CSS selectors.

(selector: string)

   * Returns { locator } for refs or { selector } for CSS selectors.
   */
  async resolveRef(selector: string): Promise<{ locator: Locator } | { selector: string }> {
    if (selector.startsWith('@e') || selector.startsWith('@c')) {
      const ref = selector.slice(1); // "e3" or "c1"
      const entry = this.refMap.get(ref);
      if (!entry) {
        throw new Error(
          `Ref ${selector} not found. Run 'snapshot' to get fresh refs.`
        );
      }
      const count = await entry.locator.count();
      if (count === 0) {
        throw new Error(
          `Ref ${selector} (${entry.role} "${entry.name}") is stale — element no longer exists. ` +
          `Run 'snapshot' for fresh refs.`
        );
      }
      return { locator: entry.locator };
    }
    return { selector };
  }

  /** Get the ARIA role for a ref selector, or null for CSS selectors / unknown refs. */
  getRefRole(selector: string): string | null {