{"record":{"id":"ef16e01962e4614c","repo":"grafana/k6","slug":"page-waitforfunction-w","errorCode":null,"errorMessage":"page waitForFunction: %w","messagePattern":"page waitForFunction: %w","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/js/modules/k6/browser/browser/page_mapping.go","lineNumber":587,"sourceCode":"\t\t},\n\t\t\"unroute\": func(url string) (*sobek.Promise, error) {\n\t\t\treturn promise(vu, func() (any, error) {\n\t\t\t\treturn nil, p.Unroute(url)\n\t\t\t}), nil\n\t\t},\n\t\t\"unrouteAll\": func() (*sobek.Promise, error) {\n\t\t\treturn promise(vu, func() (any, error) {\n\t\t\t\treturn nil, p.UnrouteAll()\n\t\t\t}), nil\n\t\t},\n\t\t\"url\":          p.URL,\n\t\t\"viewportSize\": p.ViewportSize,\n\t\t\"waitForFunction\": func(pageFunc, opts sobek.Value, args ...sobek.Value) (*sobek.Promise, error) {\n\t\t\tjs, popts, pargs, err := parseWaitForFunctionArgs(\n\t\t\t\tvu.Context(), p.Timeout(), pageFunc, opts, args...,\n\t\t\t)\n\t\t\tif err != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"page waitForFunction: %w\", err)\n\t\t\t}\n\n\t\t\treturn promise(vu, func() (result any, reason error) {\n\t\t\t\treturn p.WaitForFunction(js, popts, pargs...) //nolint:wrapcheck\n\t\t\t}), nil\n\t\t},\n\t\t\"waitForLoadState\": func(state string, opts sobek.Value) (*sobek.Promise, error) {\n\t\t\tpopts := common.NewFrameWaitForLoadStateOptions(p.MainFrame().Timeout())\n\t\t\tif err := popts.Parse(vu.Context(), opts); err != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"parsing waitForLoadState %q options: %w\", state, err)\n\t\t\t}\n\n\t\t\treturn promise(vu, func() (any, error) {\n\t\t\t\treturn nil, p.WaitForLoadState(state, popts) //nolint:wrapcheck\n\t\t\t}), nil\n\t\t},\n\t\t\"waitForNavigation\": func(opts sobek.Value) (*sobek.Promise, error) {\n\t\t\treturn mapWaitForNavigation(vu, p, opts)","sourceCodeStart":569,"sourceCodeEnd":605,"githubUrl":"https://github.com/grafana/k6/blob/93accf6570dcd306ca5e99cc44c393ee3797761b/internal/js/modules/k6/browser/browser/page_mapping.go#L569-L605","documentation":"Error \"page waitForFunction: %w\" thrown in grafana/k6.","triggerScenarios":"Thrown at internal/js/modules/k6/browser/browser/page_mapping.go:587 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"}