archived-tauri-docs/public/navigate.js

async function chapterNavigation() {
    let navigating = false
    document.addEventListener("keydown", function (e) {
      if (navigating) return
      if (e.altKey || e.ctrlKey || e.metaKey) {
        return;
      }
      if (window.search && document.activeElement === window.search) {
        return;
      }
  
      switch (e.key) {
        case "ArrowLeft":
          e.preventDefault();
          let previousButton = document.querySelector('a[rel="prev"]');
          if (!previousButton && window.location.pathname !== '/') previousButton = { href: '/' }
  
          if (document.referrer.includes(window.location.host))
            if (previousButton) {
              window.location.href = previousButton.href;
              navigating = true;
            }
          break;
        case "ArrowRight":
          e.preventDefault();
          let nextButton = document.querySelector('a[rel="next"]');
          if (!nextButton && window.location.pathname === '/') nextButton = { href: "/start/" }
  
          if (nextButton) {
            window.location.href = nextButton.href;
            navigating = true;
          }
          break;
      }
    });
  };
  
  window.addEventListener('DOMContentLoaded', () => {
    chapterNavigation()
  })
  
  window.onload = function () {
    document.body.setAttribute('tabindex', '-1');
    document.body.focus();
  };