fender

package module

v0.2.0 Latest Latest Go to latest Published: Jun 24, 2021 License: MIT Imports: 7 Imported by: 1

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/foomo/fender

Links

Open Source Insights

README ¶

fender

a piece of rope or a tyre that protects the side of a boat from knocks

Usage

err := fender.NewFields().
	Add("firstName", fender.RequiredString(u.FirstName)).
	Add("lastName", fender.RequiredString(u.LastName)).
	Add("age", fender.MinInt(u.Age, 0), fender.MaxInt(u.Age, 130)).
	Add("email", fender.Email(u.Email, false)).
	Add("street", fender.RequiredString(u.Street)).
	Add("city", fender.RequiredString(u.City)).
	Add("planet", fender.RequiredString(u.Planet)).
	Add("phone", fender.RequiredString(u.Phone)).
	AllError()
if err != nil {
	panic(err)
}

Rules

List of built-in fending rules:

email
enum
max
min
required
regex
size

Benchmarks

goos: darwin
goarch: amd64
cpu: Intel(R) Core(TM) i9-8950HK CPU @ 2.90GHz
BenchmarkFender/valid-12           	     1496362	       699 ns/op
BenchmarkFender/invalid-12               1176252 	       975 ns/op
BenchmarkPlayground/valid-12           	   42367	     25967 ns/op
BenchmarkPlayground/invalid-12         	   37567	     28034 ns/op

References & alternatives

How to Contribute

Make a pull request...

License

Distributed under MIT License, please see license file within the code for more details.

Documentation ¶

Index ¶

Constants
Variables
func Email(v string, lookup bool) error
func EmailRFC5322(v string, lookup bool) error
func EmailWeak(v string) error
func Enum(v Enumerator) error
func MaxFloat32(v, expected float32) error
func MaxFloat32s(v []float32, expected int) error
func MaxFloat64(v, expected float64) error
func MaxFloat64s(v []float64, expected int) error
func MaxInt(v, expected int) error
func MaxInt8(v, expected int8) error
func MaxInt8s(v []int8, expected int) error
func MaxInt32(v, expected int32) error
func MaxInt32s(v []int32, expected int) error
func MaxInt64(v, expected int64) error
func MaxInt64s(v []int64, expected int) error
func MaxInts(v []int, expected int) error
func MaxString(v string, expected int) error
func MaxStrings(v []string, expected int) error
func MaxUInt(v, expected uint) error
func MaxUInt8(v, expected uint8) error
func MaxUInt8s(v []uint8, expected int) error
func MaxUInt32(v, expected uint32) error
func MaxUInt32s(v []uint32, expected int) error
func MaxUInt64(v, expected uint64) error
func MaxUInt64s(v []uint64, expected int) error
func MaxUInts(v []uint, expected int) error
func MinFloat32(v, expected float32) error
func MinFloat64(v, expected float64) error
func MinInt(v, expected int) error
func MinInt8(v, expected int8) error
func MinInt32(v, expected int32) error
func MinInt64(v, expected int64) error
func MinString(v string, expected int) error
func Regex(v string, regexp *regexp.Regexp) error
func RequiredFloat32(v float32) error
func RequiredFloat64(v float64) error
func RequiredInt(v int) error
func RequiredInt8(v int8) error
func RequiredInt32(v int32) error
func RequiredInt64(v int64) error
func RequiredString(v string) error
func RequiredStrings(v []string) error
func SizeFloat32(v, expected float32) error
func SizeFloat64(v, expected float64) error
func SizeInt(v, expected int) error
func SizeInt8(v, expected int8) error
func SizeInt32(v, expected int32) error
func SizeInt64(v, expected int64) error
func SizeString(v string, expected int) error
func SizeStrings(v []string, expected int) error
type Enumerator
type Fields
- func NewFields() *Fields
- func (f Fields) Add(name string, errs ...error) Fields
- func (f Fields) All() map[string][]error
- func (f Fields) AllError() error
- func (f Fields) First() map[string]error
- func (f Fields) FirstError() error
- func (f Fields) HasErrors() bool
type FieldsError
- func NewFieldsError(e map[string]error) *FieldsError
- func (e FieldsError) Error() string
type FieldsErrors
- func NewFieldsErrors(e map[string][]error) *FieldsErrors
- func (e FieldsErrors) Error() string
type RequiredError
type Rule
- func (r Rule) String() string
type RuleError
- func NewFendEmailError() *RuleError
- func NewFendEnumError() *RuleError
- func NewFendError(fend Rule, meta string) *RuleError
- func NewFendMaxError(verb rune, v interface{}) *RuleError
- func NewFendMinError(verb rune, v interface{}) *RuleError
- func NewFendRegexError() *RuleError
- func NewFendRequiredError() *RuleError
- func NewFendSizeError(verb rune, v interface{}) *RuleError
- func (e *RuleError) Error() string

Constants ¶

View Source

const (
	DefaultRuleDelimiter  = ";"
	DefaultNameDelimiter  = ":"
	DefaultErrorDelimiter = ","
	DefaultMetaDelimiter  = "|"
)

View Source

const (
	RuleEmail Rule = "email"
	// EmailRegexWeak as https://davidcel.is/posts/stop-validating-email-addresses-with-regex/
	EmailRegexWeak = ".+@.+\\..+"
	// EmailRegexRFC5322 as https://stackoverflow.com/questions/201323/how-to-validate-an-email-address-using-a-regular-expression/201378#201378
	EmailRegexRFC5322 = "" /* 497-byte string literal not displayed */
)

Variables ¶

View Source

var (
	RuleDelimiter  = DefaultRuleDelimiter
	NameDelimiter  = DefaultNameDelimiter
	ErrorDelimiter = DefaultErrorDelimiter
	MetaDelimiter  = DefaultMetaDelimiter
)

Functions ¶

func Email ¶

func Email(v string, lookup bool) error

Email validation using go standard package

func EmailRFC5322 ¶

func EmailRFC5322(v string, lookup bool) error

EmailRFC5322 validation using RFC5322 regex

func EmailWeak ¶

func EmailWeak(v string) error

EmailWeak validation using simple regex

func Enum ¶

func Enum(v Enumerator) error

func MaxFloat32 ¶

func MaxFloat32(v, expected float32) error

func MaxFloat32s ¶

func MaxFloat32s(v []float32, expected int) error

func MaxFloat64 ¶

func MaxFloat64(v, expected float64) error

func MaxFloat64s ¶

func MaxFloat64s(v []float64, expected int) error

func MaxInt ¶

func MaxInt(v, expected int) error

func MaxInt8 ¶

func MaxInt8(v, expected int8) error

func MaxInt8s ¶

func MaxInt8s(v []int8, expected int) error

func MaxInt32 ¶

func MaxInt32(v, expected int32) error

func MaxInt32s ¶

func MaxInt32s(v []int32, expected int) error

func MaxInt64 ¶

func MaxInt64(v, expected int64) error

func MaxInt64s ¶

func MaxInt64s(v []int64, expected int) error

func MaxInts ¶

func MaxInts(v []int, expected int) error

func MaxString ¶

func MaxString(v string, expected int) error

func MaxStrings ¶

func MaxStrings(v []string, expected int) error

func MaxUInt ¶

func MaxUInt(v, expected uint) error

func MaxUInt8 ¶

func MaxUInt8(v, expected uint8) error

func MaxUInt8s ¶

func MaxUInt8s(v []uint8, expected int) error

func MaxUInt32 ¶

func MaxUInt32(v, expected uint32) error

func MaxUInt32s ¶

func MaxUInt32s(v []uint32, expected int) error

func MaxUInt64 ¶

func MaxUInt64(v, expected uint64) error

func MaxUInt64s ¶

func MaxUInt64s(v []uint64, expected int) error

func MaxUInts ¶

func MaxUInts(v []uint, expected int) error

func MinFloat32 ¶

func MinFloat32(v, expected float32) error

func MinFloat64 ¶

func MinFloat64(v, expected float64) error

func MinInt ¶

func MinInt(v, expected int) error

func MinInt8 ¶

func MinInt8(v, expected int8) error

func MinInt32 ¶

func MinInt32(v, expected int32) error

func MinInt64 ¶

func MinInt64(v, expected int64) error

func MinString ¶

func MinString(v string, expected int) error

func Regex ¶

func Regex(v string, regexp *regexp.Regexp) error

Regex validation using go standard package

func RequiredFloat32 ¶

func RequiredFloat32(v float32) error

func RequiredFloat64 ¶

func RequiredFloat64(v float64) error

func RequiredInt ¶

func RequiredInt(v int) error

func RequiredInt8 ¶

func RequiredInt8(v int8) error

func RequiredInt32 ¶

func RequiredInt32(v int32) error

func RequiredInt64 ¶

func RequiredInt64(v int64) error

func RequiredString ¶

func RequiredString(v string) error

func RequiredStrings ¶

func RequiredStrings(v []string) error

func SizeFloat32 ¶

func SizeFloat32(v, expected float32) error

func SizeFloat64 ¶

func SizeFloat64(v, expected float64) error

func SizeInt ¶

func SizeInt(v, expected int) error

func SizeInt8 ¶

func SizeInt8(v, expected int8) error

func SizeInt32 ¶

func SizeInt32(v, expected int32) error

func SizeInt64 ¶

func SizeInt64(v, expected int64) error

func SizeString ¶

func SizeString(v string, expected int) error

func SizeStrings ¶

func SizeStrings(v []string, expected int) error

Types ¶

type Enumerator ¶

type Enumerator interface {
	Valid() bool
}

type Fields ¶

type Fields struct {
	// contains filtered or unexported fields
}

Fields type

func NewFields ¶

func NewFields() *Fields

NewFields constructor

func (Fields) Add ¶

func (f Fields) Add(name string, errs ...error) Fields

Add adds an error fields if a validation fails

func (Fields) All ¶

func (f Fields) All() map[string][]error

All return all fields errors

func (Fields) AllError ¶

func (f Fields) AllError() error

AllError returns all fields errors as error type

func (Fields) First ¶

func (f Fields) First() map[string]error

First returns only all fields first error

func (Fields) FirstError ¶

func (f Fields) FirstError() error

FirstError returns only all fields first errors as error type

func (Fields) HasErrors ¶

func (f Fields) HasErrors() bool

HasErrors return true if there are no errors

type FieldsError ¶

type FieldsError struct {
	Errors map[string]error
}

FieldsError type

func NewFieldsError ¶

func NewFieldsError(e map[string]error) *FieldsError

NewFieldsError constructor

func (FieldsError) Error ¶

func (e FieldsError) Error() string

Error interface

type FieldsErrors ¶

type FieldsErrors struct {
	Errors map[string][]error
}

FieldsErrors type

func NewFieldsErrors ¶

func NewFieldsErrors(e map[string][]error) *FieldsErrors

NewFieldsErrors constructor

func (FieldsErrors) Error ¶

func (e FieldsErrors) Error() string

String interface

type RequiredError ¶

type RequiredError struct {
	Type Rule `json:"type"`
}

type Rule ¶

type Rule string

const RuleEnum Rule = "enum"

const RuleMax Rule = "max"

const RuleMin Rule = "min"

const RuleRegex Rule = "regex"

const RuleRequired Rule = "required"

const RuleSize Rule = "size"

func (Rule) String ¶

func (r Rule) String() string

type RuleError ¶

type RuleError struct {
	Rule Rule
	Meta string
}

func NewFendEmailError ¶

func NewFendEmailError() *RuleError

NewFendEmailError constructor

func NewFendEnumError ¶

func NewFendEnumError() *RuleError

NewFendEnumError constructor

func NewFendError ¶

func NewFendError(fend Rule, meta string) *RuleError

NewFendError constructor

func NewFendMaxError ¶

func NewFendMaxError(verb rune, v interface{}) *RuleError

NewFendMaxError constructor

func NewFendMinError ¶

func NewFendMinError(verb rune, v interface{}) *RuleError

NewFendMinError constructor

func NewFendRegexError ¶

func NewFendRegexError() *RuleError

NewFendRegexError constructor

func NewFendRequiredError ¶

func NewFendRequiredError() *RuleError

NewFendRequiredError constructor

func NewFendSizeError ¶

func NewFendSizeError(verb rune, v interface{}) *RuleError

NewFendSizeError constructor

func (*RuleError) Error ¶

func (e *RuleError) Error() string

RuleError interface

Source Files ¶

View all Source files

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