[Dropdown menu for SwiftUI] from Kavsoft (https://www.youtube.com/watch?v=CwD4cScGCq8)

dropDown.swift

struct DropDown: View {
    @State var expand = false
    
    var body: some View {
        VStack(alignment: .leading, spacing: 18, content: {
            HStack {
                Text("Expand").fontWeight(.heavy).foregroundColor(.white)
                Image(systemName: expand ? "chevron.up" : "chevron.down").resizable().frame(width: 13, height: 6).foregroundColor(.white)
            }
            .onTapGesture {
                self.expand.toggle()
            }
            
            if expand {
                Button(action: {
                    self.expand.toggle()
                    
                }) {
                    Text("Select 1")
                }.foregroundColor(.white)
                
                Button(action: {
                    self.expand.toggle()
                    
                }) {
                    Text("Select 2")
                }.foregroundColor(.white)
                
                
                Button(action: {
                    self.expand.toggle()
                    
                }) {
                    Text("Select 3")
                }.foregroundColor(.white)
                
                
            }
            
        })
        .padding()
        .background(LinearGradient(gradient: .init(colors: [.red, .orange]), startPoint: .top, endPoint: .bottom))
        .cornerRadius(20)
        .animation(.spring())
    }
}