microsoft/playwright · error · Error

"visible" engine expects no arguments

Error message

"visible" engine expects no arguments

What it means

Error ""visible" engine expects no arguments" thrown in microsoft/playwright.

Source

Thrown at packages/injected/src/selectorEvaluator.ts:457

      throw new Error(`"not" engine expects non-empty selector list`);
    return !evaluator.matches(element, args, context);
  },
};

const lightEngine: SelectorEngine = {
  query(context: QueryContext, args: (string | number | Selector)[], evaluator: SelectorEvaluator): Element[] {
    return evaluator.query({ ...context, pierceShadow: false }, args);
  },

  matches(element: Element, args: (string | number | Selector)[], context: QueryContext, evaluator: SelectorEvaluator): boolean {
    return evaluator.matches(element, args, { ...context, pierceShadow: false });
  }
};

const visibleEngine: SelectorEngine = {
  matches(element: Element, args: (string | number | Selector)[], context: QueryContext, evaluator: SelectorEvaluator): boolean {
    if (args.length)
      throw new Error(`"visible" engine expects no arguments`);
    return isElementVisible(element);
  }
};

const textEngine: SelectorEngine = {
  matches(element: Element, args: (string | number | Selector)[], context: QueryContext, evaluator: SelectorEvaluator): boolean {
    if (args.length !== 1 || typeof args[0] !== 'string')
      throw new Error(`"text" engine expects a single string`);
    const text = normalizeWhiteSpace(args[0]).toLowerCase();
    const matcher = (elementText: ElementText) => elementText.normalized.toLowerCase().includes(text);
    return elementMatchesText((evaluator as SelectorEvaluatorImpl)._cacheText, element, matcher) === 'self';
  },
};

const textIsEngine: SelectorEngine = {
  matches(element: Element, args: (string | number | Selector)[], context: QueryContext, evaluator: SelectorEvaluator): boolean {
    if (args.length !== 1 || typeof args[0] !== 'string')
      throw new Error(`"text-is" engine expects a single string`);

View on GitHub (pinned to c8fc3bf8d3)

When it happens

Trigger: Thrown at packages/injected/src/selectorEvaluator.ts:457 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/playwright@c8fc3bf8d3 (2026-08-12). Data as JSON: /api/errors/e0aab2465c02f9fa. Report an issue: GitHub.