Turbolinks 5 Scroll Position Persistence

turbolinks_scroll_persistence.js

Turbolinks.scroll = {};

document.addEventListener("turbolinks:load", ()=> {
  
  const elements = document.querySelectorAll("[data-turbolinks-scroll]");
  
  elements.forEach(function(element){
    
    element.addEventListener("click", ()=> {
      Turbolinks.scroll['top'] = document.scrollingElement.scrollTop;
    });
    
    element.addEventListener("submit", ()=> {
      Turbolinks.scroll['top'] = document.scrollingElement.scrollTop;
    });
    
  });
  
  if (Turbolinks.scroll['top']) {
    document.scrollingElement.scrollTo(0, Turbolinks.scroll['top']);
  }
  
  Turbolinks.scroll = {};
});

Thanks for this!