garrytan/gstack · error · Error

Unknown property: ${property}. Use: visible, hidden, enabled

Error message

Unknown property: ${property}. Use: visible, hidden, enabled, disabled, checked, editable, focused

What it means

Error "Unknown property: ${property}. Use: visible, hidden, enabled, disabled, checked, editable, focused" thrown in garrytan/gstack.

Source

Thrown at browse/src/read-commands.ts:480

      } else {
        locator = target.locator(resolved.selector);
      }

      switch (property) {
        case 'visible':  return String(await locator.isVisible());
        case 'hidden':   return String(await locator.isHidden());
        case 'enabled':  return String(await locator.isEnabled());
        case 'disabled': return String(await locator.isDisabled());
        case 'checked':  return String(await locator.isChecked());
        case 'editable': return String(await locator.isEditable());
        case 'focused': {
          const isFocused = await locator.evaluate(
            (el) => el === document.activeElement
          );
          return String(isFocused);
        }
        default:
          throw new Error(`Unknown property: ${property}. Use: visible, hidden, enabled, disabled, checked, editable, focused`);
      }
    }

    case 'cookies': {
      const cookies = await page.context().cookies();
      // Redact cookie values that look like secrets (consistent with storage redaction)
      const redacted = cookies.map(c => {
        if (SENSITIVE_COOKIE_NAME.test(c.name) || SENSITIVE_COOKIE_VALUE.test(c.value)) {
          return { ...c, value: `[REDACTED — ${c.value.length} chars]` };
        }
        return c;
      });
      return JSON.stringify(redacted, null, 2);
    }

    case 'storage': {
      if (args[0] === 'set' && args[1]) {
        const key = args[1];

View on GitHub (pinned to 94993f7401)

When it happens

Trigger: Thrown at browse/src/read-commands.ts:480 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/76bef64b86b7ab97. Report an issue: GitHub.