My App

Expressive router for [nodejs](https://nodejs.org) and the browser. Rill brings cascading middleware to the browser and enables a familiar routing solution for web applications. Rill provides the minimum for abstractions over [nodejs](https://nodejs.org) and the browser enabling things like routing (with redirecting, refreshes and more), cookies, and middleware with the same api. It supports many view engines including [Marko](http://markojs.com), [React](https://reactjs.org), [Svelte](https://svelte.technology) and even html only template engines such as [Pug](https://pugjs.org). # Installation ```console npm install rill ``` # Browser support All modern browsers are supported including IE10 and above. Older browsers will need to polyfill the Promise API, checkout [es6-promise](https://github.com/stefanpenner/es6-promise) for a good polyfill, babel-polyfill also covers this. # Community * [API Documentation](https://rill.site/application#docs) * Examples * [React](https://github.com/rill-js/todomvc-react) * [Marko](https://github.com/rill-js/todomvc-marko) * [Svelte](https://github.com/rill-js/todomvc-svelte) * [Wiki](https://github.com/rill-js/rill/wiki) * [FAQ](https://github.com/rill-js/rill/wiki/FAQ) * [Middleware List](https://github.com/rill-js/rill/wiki/Middleware) * [Gitter Community](https://gitter.im/rill-js/rill) * [Reddit Community](https://www.reddit.com/r/Rill) # Articles * [Universal web application framework - Interview with Dylan Piercey](https://survivejs.com/blog/rill-interview/) * [Isomorphic Javascript, let’s make it easier.](https://medium.com/@pierceydylan/isomorphic-javascript-it-just-has-to-work-b9da5b0c8035) * [How to make universal JavaScript applications — Part 1](https://medium.com/@pierceydylan/how-to-make-universal-javascript-applications-part-1-90e9032bc471) * [Browsers, Servers, and APIs](https://medium.com/@iamjohnhenry/browsers-servers-and-apis-2f7b10523f39) * [Why Everyone is Talking About Isomorphic](https://medium.com/capital-one-developers/why-everyone-is-talking-about-isomorphic-universal-javascript-and-why-it-matters-38c07c87905#.mdd84j28m) * [Isomorphic JavaScript: The Future of Web Apps](https://medium.com/airbnb-engineering/isomorphic-javascript-the-future-of-web-apps-10882b7a2ebc) # Why Rill? Rill is the answer to a simple question; Can I run my [Express](https://github.com/expressjs/express) style router in the browser? Turns out you can and it works awesome. It brings a common interface to many typical app like features in both the browser and [nodejs](https://nodejs.org). Many isomorphic frameworks and routers have crazy abstractions and learning curves but with Rill, if you understand [Express](https://github.com/expressjs/express) or [Koa](https://github.com/koajs/koa), you already know how the routing works! In Rill you get to program much of your application logic using the same api (client or server) including routing, rendering, data fetching and more are easily shared. Rill also works perfectly as a stand alone router for [nodejs](https://nodejs.org) or in the browser. This allows for easy progressive enhancement. If all is well the browser can handle much of your application logic and if JavaScript fails for any reason your server knows exactly what to do. # How does this thing work? If you look at the source for Rill [here](https://github.com/rill-js/rill/tree/master/src) you will quickly notice there is ZERO browser specific code. This is all thanks to [@rill/http](https://github.com/rill-js/http) which is node's [HTTP.createServer](https://nodejs.org/api/http.html#http_http_createserver_requestlistener) ported to the browser. In the browser it works by listening for internal link clicks, form submissions and browser history changes. It will then create a [Rill Context](https://rill.site/context#docs) for each of these events and emit it through the router, similar to how receiving a request works in [nodejs](https://nodejs.org). It supports everything you'd expect from a client side [nodejs](https://nodejs.org) server. This includes redirects, refreshes, cookies, scrolling and url updates using the [History API](https://developer.mozilla.org/en-US/docs/Web/API/History). # Example ### Create an app ```javascript /** * The following code can run 100% in the browser or in nodejs. * Examples use es2015/2016 with Babel and JSX but this is optional. */ import Rill from 'rill' const app = new Rill() // You can call Rill without new, but autocomplete will not work. ``` ### Setup middleware ```javascript // Universal form data parsing middleware. import bodyParser from '@rill/body' app.use(bodyParser()) // Universal react rendering middleware. import reactRenderer from '@rill/react' app.use(reactRenderer()) // Example Logger app.use(async ({ req }, next)=> { const start = Date.now() // Rill uses promises for control flow. // ES2016 async functions work great as well! await next() const ms = Date.now() - start console.log(`${req.method} ${req.url} - ${ms}`) }) ``` ### Setup a page ```javascript // Respond to a GET request. app.get('/todos', async ({ res })=> { // Fetch a todolist from some service. const todolist = await MyTodoListService.getAllTodos() // Directly set React virtual dom to the body thanks to @rill/react. // (Checkout @rill/html for universal html diffing). res.body = ( My App {todolist.length ? todolist.map(renderTodo) : 'No todos to display.' }

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