DragScrollSheetConflict.swift

import SwiftUI

// MARK: - Root view

struct SheetPresenterView: View {
  
  @State private var isPresented = false
  
  var body: some View {
    Button(action: showSheet) {
      Image(systemName: "plus")
        .font(.largeTitle)
    }
    .sheet(isPresented: $isPresented) {
      DragScrollView()
    }
  }
  
  private func showSheet() {
    isPresented = true
  }
}

// MARK: - View containing ScrollView presented as a sheet modal

struct DragScrollView: View {
  
  var body: some View {
    VStack(alignment: .leading) {
      Text("Navigation Bar")
        .font(.largeTitle)
        .fontWeight(.bold)
        .padding([.top, .horizontal])
      
      ScrollView {
        ForEach(0..<10, id: \.self) { index in
          ListItemView()
        }
      }
      .padding(.bottom)
    }
  }
}

// MARK: - Item of the scroll view containing the drag gesture

struct ListItemView: View {
  
  @State private var cardXTranslation: CGFloat = 0
  
  var body: some View {
    HStack {
      Text("Folder")
        .font(.headline)
      Spacer()
      Image(systemName: "folder")
    }
    .padding()
    .background(
      RoundedRectangle(cornerRadius: 10)
        .fill(Color(.systemGray5))
    )
      .offset(x: self.cardXTranslation)
      .rotationEffect(.degrees(Double(self.cardXTranslation) / 50))
      .animation(.spring())
      .simultaneousGesture(
        DragGesture(minimumDistance: 30, coordinateSpace: .local)
          .onChanged({ gesture in
            if abs(gesture.translation.width) < 100 {
              self.cardXTranslation = gesture.translation.width
            }
          })
          .onEnded({ gesture in
            self.cardXTranslation = 0
          })
    )
      .padding(.horizontal)
  }
}