mirror of
https://github.com/JohnEstropia/CoreStore.git
synced 2026-01-14 13:13:33 +01:00
82 lines
2.4 KiB
Swift
82 lines
2.4 KiB
Swift
//
|
|
// ObjectReader.swift
|
|
// CoreStore
|
|
//
|
|
// Copyright © 2021 John Rommel Estropia
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
//
|
|
|
|
#if canImport(Combine) && canImport(SwiftUI)
|
|
|
|
import Combine
|
|
import SwiftUI
|
|
|
|
|
|
// MARK: - ObjectReader
|
|
|
|
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 10.15, *)
|
|
public struct ObjectReader<Object: DynamicObject, Content: View, Value>: View {
|
|
|
|
// MARK: Internal
|
|
|
|
public init(
|
|
_ objectPublisher: ObjectPublisher<Object>?,
|
|
@ViewBuilder content: @escaping (Value) -> Content
|
|
) where Value == LiveObject<Object>.Item {
|
|
|
|
self._object = .init(objectPublisher)
|
|
self.content = content
|
|
self.keyPath = \.self
|
|
}
|
|
|
|
public init(
|
|
_ objectPublisher: ObjectPublisher<Object>?,
|
|
keyPath: KeyPath<LiveObject<Object>.Item, Value>,
|
|
@ViewBuilder content: @escaping (Value) -> Content
|
|
) {
|
|
|
|
self._object = .init(objectPublisher)
|
|
self.content = content
|
|
self.keyPath = keyPath
|
|
}
|
|
|
|
|
|
// MARK: View
|
|
|
|
public var body: some View {
|
|
|
|
if let object = self.object {
|
|
|
|
self.content(object[keyPath: self.keyPath])
|
|
}
|
|
}
|
|
|
|
|
|
// MARK: Private
|
|
|
|
@LiveObject
|
|
private var object: LiveObject<Object>.Item?
|
|
|
|
private let content: (Value) -> Content
|
|
private let keyPath: KeyPath<LiveObject<Object>.Item, Value>
|
|
}
|
|
|
|
#endif
|