var router = new Navigo(null, false); // (root, useHash)
router.on('book/:id/note/:noteId', params => loadBook(params))
    .resolve();

page('/', index)
page('/user/:user', show)
page('/user/:user/edit', edit)

const router = new Navigo(root = null, useHash = false);

router.on('/home', callback)

router.on('/products/list', () => { ... })
      .on('/clients/list', () => { ... })
      .resolve();

router.on({
  '/products/:name': () => { ... }, 
  '/products': () => { ... }
})
      .resolve();

router.on(function () { // show home page here }).resolve();

router.on('/user/:id/:action', function (params) {
    // If we have http://site.com/user/42/save as a url then
    // params.id = 42  // params.action = save
  }).resolve();

router.navigate('/products/list');

router.on('items/:id', (params) => {
  var id = params.id || '';
});

router.on('items', (params) => {
  var name = getQueryParams().name;
});

router.on('items', () {
    data.items.get().then(function(res) {
        var items = res.result;
        //show all items, with links to items/:id
    })
}).on('items/:id', (params) => {
    data.getById(params.id)
      .then(function(res) {
          var item = res.result;
          //show specific item
      });
})