{"record":{"id":"ae3df7be34aba89d","repo":"grafana/k6","slug":"waitforevent-does-not-support-mapping-for-event","errorCode":null,"errorMessage":"waitForEvent does not support mapping for event: %q","messagePattern":"waitForEvent does not support mapping for event: %q","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/js/modules/k6/browser/browser/page_mapping.go","lineNumber":692,"sourceCode":"\t\t\t// so that the linter can catch unhandled event types as non-exhaustive switch.\n\t\t\t// Otherwise, we might miss mapping new [PageEvent] types added in the future.\n\t\t\t// This is for keeping events in sync between waitForEvent and page.on.\n\t\t\tmapPageEvent := func(vu moduleVU, pe common.PageEvent) (mapping, error) {\n\t\t\t\tswitch event {\n\t\t\t\tcase common.PageEventConsole:\n\t\t\t\t\treturn mapConsoleMessage(vu, pe), nil\n\t\t\t\tcase common.PageEventRequest:\n\t\t\t\t\treturn mapRequestEvent(vu, pe), nil\n\t\t\t\tcase common.PageEventResponse:\n\t\t\t\t\treturn mapResponseEvent(vu, pe), nil\n\t\t\t\tcase common.PageEventRequestFinished:\n\t\t\t\t\treturn mapRequestEvent(vu, pe), nil\n\t\t\t\tcase common.PageEventRequestFailed:\n\t\t\t\t\treturn mapRequestEvent(vu, pe), nil\n\t\t\t\tcase common.PageEventMetric:\n\t\t\t\t\t// intentionally left blank\n\t\t\t\t}\n\t\t\t\treturn nil, fmt.Errorf(\"waitForEvent does not support mapping for event: %q\", event)\n\t\t\t}\n\n\t\t\tpopts, fn, err := parsePageWaitForEventOptions(vu.Context(), opts, p.Timeout())\n\t\t\tif err != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"parsing waitForEvent options: %w\", err)\n\t\t\t}\n\n\t\t\tctx := vu.Context()\n\t\t\ttq := vu.get(ctx, p.TargetID())\n\n\t\t\treturn promise(vu, func() (any, error) {\n\t\t\t\trpe, err := p.WaitForEvent(event, popts, func(pe common.PageEvent) (bool, error) {\n\t\t\t\t\tif fn == nil {\n\t\t\t\t\t\treturn true, nil\n\t\t\t\t\t}\n\t\t\t\t\treturn queueTask(ctx, tq, func() (bool, error) {\n\t\t\t\t\t\tm, err := mapPageEvent(vu, pe)\n\t\t\t\t\t\tif err != nil {","sourceCodeStart":674,"sourceCodeEnd":710,"githubUrl":"https://github.com/grafana/k6/blob/93accf6570dcd306ca5e99cc44c393ee3797761b/internal/js/modules/k6/browser/browser/page_mapping.go#L674-L710","documentation":"Error \"waitForEvent does not support mapping for event: %q\" thrown in grafana/k6.","triggerScenarios":"Thrown at internal/js/modules/k6/browser/browser/page_mapping.go:692 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"93accf6570dcd306ca5e99cc44c393ee3797761b","analyzedAt":"2026-08-15T21:23:27.118Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}