yattee/Shared/Views/ShareButton.swift

import SwiftUI

struct ShareButton: View {
    let contentItem: ContentItem
    @Binding var presentingShareSheet: Bool

    @EnvironmentObject<AccountsModel> private var accounts

    var body: some View {
        Group {
            if let url = shareURL {
                Button {
                    #if os(iOS)
                        presentingShareSheet = true
                    #else
                        NSPasteboard.general.clearContents()
                        NSPasteboard.general.setString(url, forType: .string)
                    #endif
                } label: {
                    #if os(iOS)
                        Label("Share", systemImage: "square.and.arrow.up")
                    #else
                        EmptyView()
                    #endif
                }
                .keyboardShortcut("c")
                .foregroundColor(.blue)
                .buttonStyle(.plain)
                .labelStyle(.iconOnly)
            } else {
                EmptyView()
            }
        }
    }

    private var shareURL: String? {
        accounts.api.shareURL(contentItem)?.absoluteString
    }
}

struct ShareButton_Previews: PreviewProvider {
    static var previews: some View {
        ShareButton(contentItem: ContentItem(video: Video.fixture), presentingShareSheet: .constant(false))
    }
}