CustomUserDefaultsFull.swift

CustomUserDefaultsFull.swift

// CustomUserDefaults.swift (full)
import Foundation

class CustomUserDefaults {
    // define all keys needed
    enum DefaultsKey: String, CaseIterable {
        case name
        case email
        case isUserLogin
        case userLevel
    }
    static let shared = CustomUserDefaults()
    private let defaults = UserDefaults.standard

    init() {}
    // to set value using pre-defined key
    func set(_ value: Any?, key: DefaultsKey) {
        defaults.setValue(value, forKey: key.rawValue)
    }
    // get value using pre-defined key
    func get(key: DefaultsKey) -> Any? {
        return defaults.value(forKey: key.rawValue)
    }
    // check value if exist or nil
    func hasValue(key: DefaultsKey) -> Bool {
        return defaults.value(forKey: key.rawValue) != nil
    }
    // remove all stored values
    func removeAll() {
        for key in DefaultsKey.allCases {
            defaults.removeObject(forKey: key.rawValue)
        }
    }
}