validator

package

v0.0.0-...-2f4ffc2 Latest Latest Go to latest Published: Oct 17, 2024 License: MIT Imports: 3 Imported by: 0

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func MaxChars(value string, n int) bool

MaxChars() returns true if a value contains no more than n characters.

func NotBlank(value string) bool

NotBlank() returns true if a value is not an empty string.

func PermittedValue[T comparable](value T, permittedValues ...T) bool

PermittedValue() returns true if a value is in a list of specific permitted values.

type Validator struct {
	FieldErrors map[string]string
}

Define a new Validator struct which contains a map of validation error messages for our form fields.

func (v *Validator) AddFieldError(key, message string)

AddFieldError() adds an error message to the FieldErrors map (so long as no entry already exists for the given key).

func (v *Validator) CheckField(ok bool, key, message string)

CheckField() adds an error message to the FieldErrors map only if a validation check is not 'ok'.

func (v *Validator) Valid() bool

Valid() returns true if the FieldErrors map doesn't contain any entries.