data.js

var Router = require('falcor-router');
var data = {
        items: [
            {name: "Acura", href: "/acura/"}, 
            {name: "Nissan", href: "/nissan/"},
            {name: "Ford" , href: "/ford/"}
        ]
    };

ItemsRouter.js

var ItemsRouter = Router.createClass([
        {
            route: 'items.length',
            get: () => {
                return {path: ['items', 'length'], value: data.items.length}
            }
        }
]);

ItemsRouter_improved.js

var Router = require('falcor-router');
var Falcor = require('falcor');
var $atom = Falcor.Model.atom;

var data = {
        items: [
            {name: "Acura", href: "/acura/"}, 
            {name: "Nissan", href: "/nissan/"},
            {name: "Ford" , href: "/ford/"}
        ]
    };
    
var ItemsRouter = Router.createClass([
        {
            route: "items",
            get: function() {
                return {path:["items"], value: $atom(data.items)};
            }
        }
]);

// and then in the client code:
model.getValue(['items'])
    .then(response => console.log(response))

ItemsRouter_wrong.js

var ItemsRouter = Router.createClass([
        {
            route: 'items.all',
            get: () => {
                return {path: ['items', 'all'], value: data.items}
            }
        }
]);

ItemsRouter_wrong.js throws MaxRetryExceededError: "The allowed number of retries have been exceeded."

Resolved due to Netflix/falcor-router#59
(ItemsRouter_improved.js)