The highest tagged major version is v2.

validation

package

v1.13.0-beta.1 Latest Latest Go to latest Published: May 29, 2025 License: Apache-2.0 Imports: 8 Imported by: 0

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Valid go.mod file
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Repository

github.com/LerianStudio/lib-commons

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Documentation ¶

Overview ¶

Package validation provides comprehensive input validation functions and utilities. It includes struct validation, field validation, and custom validator registration.

Index ¶

func Email(email string, fieldName string) error
func InRange(value, minVal, maxVal int64, fieldName string) error
func Matches(value, pattern, fieldName string) error
func MaxLength(value string, maxLength int, fieldName string) error
func MinLength(value string, minLength int, fieldName string) error
func OneOf(value string, allowed []string, fieldName string) error
func RegisterCustomValidator(name string, fn func(any) error) error
func Required(value any, fieldName string) error
func URL(urlStr string, fieldName string) error
func UUID(uuidStr string, fieldName string) error
type ValidationError
- func NewValidationError(message, field string) ValidationError
- func ValidateStruct(s any) []ValidationError
- func (e ValidationError) Error() string

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Email ¶

func Email(email string, fieldName string) error

Email validates that the provided email string matches a valid email format

func InRange ¶

func InRange(value, minVal, maxVal int64, fieldName string) error

InRange validates that a number is within a range

func Matches ¶

func Matches(value, pattern, fieldName string) error

Matches validates that a string matches a regex pattern

func MaxLength ¶

func MaxLength(value string, maxLength int, fieldName string) error

MaxLength validates maximum string length

func MinLength ¶

func MinLength(value string, minLength int, fieldName string) error

MinLength validates minimum string length

func OneOf ¶

func OneOf(value string, allowed []string, fieldName string) error

OneOf validates that a value is one of the allowed values

func RegisterCustomValidator ¶

func RegisterCustomValidator(name string, fn func(any) error) error

RegisterCustomValidator registers a custom validator function

func Required ¶

func Required(value any, fieldName string) error

Required validates that a value is not empty/zero

func URL ¶

func URL(urlStr string, fieldName string) error

URL validates URL format

func UUID ¶

func UUID(uuidStr string, fieldName string) error

UUID validates UUID format

Types ¶

type ValidationError ¶

type ValidationError struct {
	Field   string
	Message string
	Value   any
}

ValidationError represents a validation error with field and message details. The type name intentionally matches the package name for clarity in external usage.

func NewValidationError ¶

func NewValidationError(message, field string) ValidationError

NewValidationError creates a new validation error

func ValidateStruct ¶

func ValidateStruct(s any) []ValidationError

ValidateStruct validates a struct based on validate tags

func (ValidationError) Error ¶

func (e ValidationError) Error() string

Error implements the error interface

Source Files ¶

View all Source files

validation.go

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