microsoft/typescript-go · error

null value is not allowed for field %q

Error message

null value is not allowed for field %q

What it means

Error "null value is not allowed for field %q" thrown in microsoft/typescript-go.

Source

Thrown at internal/lsp/lsproto/lsp.go:92

type HasLocations interface {
	GetLocations() *[]Location
}

type HasLocation interface {
	GetLocation() Location
}

type URI string // !!!

type Method string

func errNotObject(k json.Kind) error {
	return fmt.Errorf("expected object start, but encountered %v", k)
}

func errNull(field string) error {
	return fmt.Errorf("null value is not allowed for field %q", field)
}

func errMissing(props []string) error {
	return fmt.Errorf("missing required properties: %s", strings.Join(props, ", "))
}

func errInvalidKind(typeName string, got json.Kind) error {
	return fmt.Errorf("invalid %s: got %v", typeName, got)
}

func errInvalidValue(typeName string, data []byte) error {
	return fmt.Errorf("invalid %s: %s", typeName, data)
}

func errLiteralMismatch(typeName string, expected string, got []byte) error {
	return fmt.Errorf("expected %s value %s, got %s", typeName, expected, got)
}

View on GitHub (pinned to 1bcfa18d79)

When it happens

Trigger: Thrown at internal/lsp/lsproto/lsp.go:92 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/typescript-go@1bcfa18d79 (2026-08-16). Data as JSON: /api/errors/f2f42f960f10ad99. Report an issue: GitHub.