Function resolveJSONField

internal/sheetsformat/format.go:269–299

(root any, jsonPath string)

}

func resolveJSONField(root any, jsonPath string) (reflect.Value, reflect.Value, string, error) {
	current := reflect.ValueOf(root)
	if current.Kind() != reflect.Pointer || current.IsNil() {
		return reflect.Value{}, reflect.Value{}, "", errNonNilPointerRequired
	}

	parts := strings.Split(jsonPath, ".")
	for i, part := range parts {
		structValue, err := ensureStructValue(current, part)
		if err != nil {
			return reflect.Value{}, reflect.Value{}, "", err
		}

		fieldValue, fieldName, ok := findJSONField(structValue, part)
		if !ok {
			return reflect.Value{}, reflect.Value{}, "", fmt.Errorf("%w %q", errUnknownField, part)
		}

		if i == len(parts)-1 {
			return structValue, fieldValue, fieldName, nil
		}

		next, err := nextStructPointer(fieldValue, part)
		if err != nil {
			return reflect.Value{}, reflect.Value{}, "", err
		}
		current = next
	}

	return reflect.Value{}, reflect.Value{}, "", errEmptyFormatField
}

func ensureStructValue(value reflect.Value, label string) (reflect.Value, error) {
	if value.Kind() == reflect.Pointer {