grafana/k6 · error

parsing emulateMedia options: %w

Error message

parsing emulateMedia options: %w

What it means

Error "parsing emulateMedia options: %w" thrown in grafana/k6.

Source

Thrown at internal/js/modules/k6/browser/browser/page_mapping.go:94

			}
			return promise(vu, func() (any, error) {
				return nil, p.Dblclick(selector, popts) //nolint:wrapcheck
			}), nil
		},
		"dispatchEvent": func(selector, typ string, eventInit, opts sobek.Value) (*sobek.Promise, error) {
			popts := common.NewFrameDispatchEventOptions(p.MainFrame().Timeout())
			if err := popts.Parse(vu.Context(), opts); err != nil {
				return nil, fmt.Errorf("parsing page dispatch event options: %w", err)
			}
			earg := exportArg(eventInit)
			return promise(vu, func() (any, error) {
				return nil, p.DispatchEvent(selector, typ, earg, popts) //nolint:wrapcheck
			}), nil
		},
		"emulateMedia": func(opts sobek.Value) (*sobek.Promise, error) {
			popts, err := parsePageEmulateMediaOptions(rt, opts, common.NewPageEmulateMediaOptions(p))
			if err != nil {
				return nil, fmt.Errorf("parsing emulateMedia options: %w", err)
			}
			return promise(vu, func() (any, error) {
				return nil, p.EmulateMedia(popts) //nolint:wrapcheck
			}), nil
		},
		"emulateVisionDeficiency": func(typ string) *sobek.Promise {
			return promise(vu, func() (any, error) {
				return nil, p.EmulateVisionDeficiency(typ) //nolint:wrapcheck
			})
		},
		"evaluate": func(pageFunc sobek.Value, gargs ...sobek.Value) (*sobek.Promise, error) {
			if sobekEmptyString(pageFunc) {
				return nil, fmt.Errorf("evaluate requires a page function")
			}
			funcString := pageFunc.String()
			gopts := exportArgs(gargs)
			return promise(vu, func() (any, error) {
				return p.Evaluate(funcString, gopts...)

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/js/modules/k6/browser/browser/page_mapping.go:94 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of grafana/k6@93accf6570 (2026-08-15). Data as JSON: /api/errors/1be517e5054e8b21. Report an issue: GitHub.