passepartout-apple/Passepartout/App/Reusable/Binding+Extensions.swift

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//
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// Binding+Extensions.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 2/19/22.
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// Copyright (c) 2022 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
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import SwiftUI
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func ??<T>(lhs: Binding<Optional<T>>, rhs: T) -> Binding<T> {
Binding {
lhs.wrappedValue ?? rhs
} set: {
lhs.wrappedValue = $0
}
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}
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extension Binding {
func toString() -> Binding<String> where Value == Optional<URL> {
.init {
wrappedValue?.absoluteString ?? ""
} set: {
wrappedValue = URL(string: $0) ?? wrappedValue
}
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}
func toString<T>() -> Binding<String> where Value == Optional<T>, T: FixedWidthInteger {
.init {
guard let v = wrappedValue else {
return ""
}
return v.description
} set: {
guard let v = T($0) else {
return
}
wrappedValue = v
}
}
}