microsoft/playwright · error · Error

"description" attribute must have a value

Error message

"description" attribute must have a value

What it means

Error ""description" attribute must have a value" thrown in microsoft/playwright.

Source

Thrown at packages/injected/src/roleSelectorEngine.ts:121

      case 'disabled': {
        validateSupportedValues(attr, [true, false]);
        validateSupportedOp(attr, ['<truthy>', '=']);
        options.disabled = attr.op === '<truthy>' ? true : attr.value;
        break;
      }
      case 'name': {
        if (attr.op === '<truthy>')
          throw new Error(`"name" attribute must have a value`);
        if (typeof attr.value !== 'string' && !(attr.value instanceof RegExp))
          throw new Error(`"name" attribute must be a string or a regular expression`);
        options.name = attr.value;
        options.nameOp = attr.op;
        options.nameExact = attr.caseSensitive;
        break;
      }
      case 'description': {
        if (attr.op === '<truthy>')
          throw new Error(`"description" attribute must have a value`);
        if (typeof attr.value !== 'string' && !(attr.value instanceof RegExp))
          throw new Error(`"description" attribute must be a string or a regular expression`);
        options.description = attr.value;
        options.descriptionOp = attr.op;
        options.descriptionExact = attr.caseSensitive;
        break;
      }
      case 'include-hidden': {
        validateSupportedValues(attr, [true, false]);
        validateSupportedOp(attr, ['<truthy>', '=']);
        options.includeHidden = attr.op === '<truthy>' ? true : attr.value;
        break;
      }
      default: {
        throw new Error(`Unknown attribute "${attr.name}", must be one of ${kSupportedAttributes.map(a => `"${a}"`).join(', ')}.`);
      }
    }
  }

View on GitHub (pinned to c8fc3bf8d3)

When it happens

Trigger: Thrown at packages/injected/src/roleSelectorEngine.ts:121 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/52d12b173ffc6435. Report an issue: GitHub.