jellyflood/Shared/Extensions/Array.swift

49 lines
1.2 KiB
Swift

//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2023 Jellyfin & Jellyfin Contributors
//
import Foundation
extension Array {
func appending(_ element: Element) -> [Element] {
self + [element]
}
func appending(_ element: Element, if condition: Bool) -> [Element] {
if condition {
return self + [element]
} else {
return self
}
}
func appending(_ contents: [Element]) -> [Element] {
self + contents
}
func prepending(_ element: Element) -> [Element] {
[element] + self
}
func prepending(_ element: Element, if condition: Bool) -> [Element] {
if condition {
return [element] + self
} else {
return self
}
}
// There are instances where `removeFirst()` is called on an empty
// collection even with a count check and causes a crash
@discardableResult
mutating func removeFirstSafe() -> Element? {
guard count > 0 else { return nil }
return removeFirst()
}
}