jonacruz/validatorkit

Installation

Swift Package Manager

.package(url: "https://github.com/jonacruz/ValidatorKit", from: "1.0.0")

Usage

Basic Validation

let result = Validator<String>()
    .add(NonEmptyRule())
    .add(MinLengthRule(8))
    .validate("hello")

if !result.isValid {
    print(result.errors) // ["Minimum 8 characters"]
}

Presets

let result = Validator.email.validate("test@example.com")
let result = Validator.password.validate("mypassword")
let result = Validator.phone.validate("+1234567890")

SwiftUI

ValidatedField("Email", text: $email, validator: .email)
ValidatedField("Password", text: $password, validator: .password)

Custom Rules

struct UppercaseRule: ValidationRule {
    typealias Value = String
    var errorMessage = "Must contain an uppercase letter"
    
    func validate(_ value: String) -> Bool {
        value.contains(where: \.isUppercase)
    }
}

let result = Validator<String>()
    .add(UppercaseRule())
    .validate("hello") // invalid

Available Rules

String

| Rule | Description | |------|-------------| | NonEmptyRule | Field cannot be empty | | MinLengthRule(n) | Minimum n characters | | MaxLengthRule(n) | Maximum n characters | | EmailRule | Valid email format | | RegexRule(pattern) | Matches regex pattern |

Numeric

| Rule | Description | |------|-------------| | MinValueRule(n) | Value >= n | | MaxValueRule(n) | Value <= n | | RangeRule(min, max) | Value between min and max |

Common

| Rule | Description | |------|-------------| | MatchRule(value) | Must match given value | | URLRule | Valid http/https URL | | PhoneRule | Valid phone number |

License

MIT

Package Metadata

Repository: jonacruz/validatorkit

Default branch: main

README: README.md