grafana/k6 · error

parsing setChecked options: %w

Error message

parsing setChecked options: %w

What it means

Thrown synchronously by ElementHandle.setChecked() when its options fail to parse. setChecked uses ElementHandleSetCheckedOptions, which embeds the base-pointer options; in common/element_handle_options.go the only Parse step that can return an error is exporting 'position' to map[string]float64 (strict/force/noWaitAfter/timeout/trial are lenient coercions). The mapping returns (nil, error), so it throws at call time rather than rejecting a promise.

Source

Thrown at internal/js/modules/k6/browser/browser/element_handle_mapping.go:224

				return nil, fmt.Errorf("parsing selectOption options: %w", err)
			}
			return promise(vu, func() (any, error) {
				return eh.SelectOption(convValues, popts) //nolint:wrapcheck
			}), nil
		},
		"selectText": func(opts sobek.Value) (*sobek.Promise, error) {
			popts := common.NewElementHandleBaseOptions(eh.DefaultTimeout())
			if err := popts.Parse(vu.Context(), opts); err != nil {
				return nil, fmt.Errorf("parsing selectText options: %w", err)
			}
			return promise(vu, func() (any, error) {
				return nil, eh.SelectText(popts) //nolint:wrapcheck
			}), nil
		},
		"setChecked": func(checked bool, opts sobek.Value) (*sobek.Promise, error) {
			popts := common.NewElementHandleSetCheckedOptions(eh.DefaultTimeout())
			if err := popts.Parse(vu.Context(), opts); err != nil {
				return nil, fmt.Errorf("parsing setChecked options: %w", err)
			}
			return promise(vu, func() (any, error) {
				return nil, eh.SetChecked(checked, popts) //nolint:wrapcheck
			}), nil
		},
		"setInputFiles": func(files sobek.Value, opts sobek.Value) (*sobek.Promise, error) {
			popts := common.NewElementHandleSetInputFilesOptions(eh.DefaultTimeout())
			if err := popts.Parse(vu.Context(), opts); err != nil {
				return nil, fmt.Errorf("parsing setInputFiles options: %w", err)
			}
			var pfiles common.Files
			if err := pfiles.Parse(vu.Context(), files); err != nil {
				return nil, fmt.Errorf("parsing setInputFiles parameter: %w", err)
			}
			return promise(vu, func() (any, error) {
				return nil, eh.SetInputFiles(&pfiles, popts) //nolint:wrapcheck
			}), nil
		},

View on GitHub (pinned to 93accf6570)

Solutions

  1. Pass position as { x: <number>, y: <number> } or omit it
  2. Coerce fixture coordinates with Number() and validate with Number.isFinite
  3. Guard options with a shared isPosition check for all pointer-based element actions
  4. Use try/catch around the call since the throw is synchronous

Example fix

// before
await el.setChecked(true, { position: 'center', strict: true });

// after
await el.setChecked(true, { strict: true });
Defensive patterns

Strategy: type-guard

Validate before calling

const p = opts?.position;
if (p !== undefined && (typeof p !== 'object' || Array.isArray(p) ||
    !Number.isFinite(Number(p.x)) || !Number.isFinite(Number(p.y)))) {
  throw new Error('setChecked(): position must be { x: number, y: number }');
}

Type guard

function isSetCheckedOpts(o) {
  if (o == null) return true;
  const posOk = o.position === undefined ||
    (typeof o.position === 'object' && !Array.isArray(o.position) &&
     Number.isFinite(Number(o.position.x)) && Number.isFinite(Number(o.position.y)));
  const strictOk = o.strict === undefined || typeof o.strict === 'boolean';
  return posOk && strictOk;
}

Try / catch

try {
  await el.setChecked(shouldCheck, opts);
} catch (e) {
  if (/parsing setChecked options/.test(String(e.message))) {
    console.log(`fix setChecked options: ${e.message}`);
  } else throw e;
}

Prevention

When it happens

Trigger: el.setChecked(true, { position: 'center' }), { position: { x: '1', y: 2 } }, or position as array/number/boolean. Everything else in the options object is coerced and cannot produce this error.

Common situations: Sharing one options literal between click() and setChecked() where the position field was serialized to a string; coordinate values coming from CSV/JSON fixtures without numeric conversion.

Related errors


AI-assisted analysis of grafana/k6@93accf6570 (2026-08-15). Data as JSON: /api/errors/1f88f6ca3e106ae2. Report an issue: GitHub.