ObservableUserDefaults

This package contains UserDefaults property wrapper. The property wrapper has statically typed keyes and provides a conveniece to observe UserDefaults changes.

Development

To install this package just add the follwing in yor package

.package(url: "https://github.com./DanielMandea/ios-observable-user-defaults", from: "1.0.0"),

Usage

Implementation

// Declare a new key
extension ObservableKey {
static let sdkPort: ObservableKey = "sdkPort"
}

// Create my class
class SyncExample {
@ObservableUserDefaults(key: .sdkPort, defaultValue: 8080)
var sdkPort: Int
}

// Initialize my class
var myClass = SyncExample()

// Observe changes
var observation = myClass.$sdkPort.observe { old, new in
print("Changed from: \(old) to \(new)")
}

// Make some changes
myClass.sdkPort = 443

Output Changed from: 8080 to 443

Support for custom UserDefaults

// Create my class
class SyncExample {
@ObservableUserDefaults(key: .sdkPort, defaultValue: 8080, userDefaults: myUserDefaults)
var sdkPort: Int
}