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purchases-ios/RevenueCatUI/Modifiers/ConsistentPackageContentView.swift
T

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Swift

//
// Copyright RevenueCat Inc. All Rights Reserved.
//
// Licensed under the MIT License (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://opensource.org/licenses/MIT
//
// ConsistentPackageContentView.swift
//
// Created by Nacho Soto on 9/22/23.
//
import SwiftUI
/// A wrapper view that can display content based on a selected package
/// and maintain a consistent layout when that selected package changes.
@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, *)
struct ConsistentPackageContentView<Content: View>: View {
typealias Creator = @Sendable @MainActor (TemplateViewConfiguration.Package) -> Content
private let packages: [TemplateViewConfiguration.Package]
private let selected: TemplateViewConfiguration.Package
private let creator: Creator
init(
packages: [TemplateViewConfiguration.Package],
selected: TemplateViewConfiguration.Package,
@ViewBuilder creator: @escaping Creator
) {
self.packages = packages
self.selected = selected
self.creator = creator
}
var body: some View {
// We need to layout all possible packages to accomodate for the longest text
return ZStack {
ForEach(self.packages, id: \.self.content) { package in
self.creator(package)
.opacity(package.content == self.selected.content ? 1 : 0)
}
}
}
}