CustomBottomSheet.swift

struct CustomBottomSheet<Content>: View where Content: View {
    @Binding var sheetHeightOffset: CGFloat
    @Binding var isSheetDragging: Bool
    
    let content: Content
    let defaultOffset: CGFloat
    
    init(
        sheetHeightOffset: Binding<CGFloat>,
        isSheetDragging: Binding<Bool>,
        defaultOffset: CGFloat = 50,
        @ViewBuilder content: () -> Content) {
        self._sheetHeightOffset = sheetHeightOffset
        self._isSheetDragging = isSheetDragging
        self.content = content()
        
        self.defaultOffset = defaultOffset
        self.sheetHeightOffset = defaultOffset
    }
    
    var body: some View {
        GeometryReader { geometry in
            VStack {
                self.handle()
                    .padding(.vertical, 7)
                    .gesture(
                        DragGesture()
                            .onChanged { value in
                                isSheetDragging = true
                                sheetHeightOffset -= value.translation.height
                            }
                            .onEnded(onDragEnded)
                    )
                
                self.content
                
                Spacer()
            }
            .frame(
                width: geometry.size.width,
                height: geometry.size.height
            )
            .background {
                RoundedRectangle(cornerRadius: 25.0, style: .continuous)
                    .foregroundColor(.white)
                    .shadow(radius: 10)
            }
            
        }
        .edgesIgnoringSafeArea(.all)
    }
    
    private func onDragEnded(drag: DragGesture.Value) {
        isSheetDragging = false
        sheetHeightOffset = defaultOffset
    }
    
    func handle() -> some View {
        Capsule()
            .foregroundColor(.gray.opacity(0.7))
            .frame(width: 100, height: 5)
    }
}