# Universal Router [![NPM version](https://img.shields.io/npm/v/universal-router.svg)](https://www.npmjs.com/package/universal-router) [![NPM downloads](https://img.shields.io/npm/dw/universal-router.svg)](https://www.npmjs.com/package/universal-router) [![Library Size](https://img.shields.io/bundlephobia/minzip/universal-router.svg)](https://bundlephobia.com/result?p=universal-router) [![Online Chat](https://badges.gitter.im/kriasoft/universal-router.svg)](https://gitter.im/kriasoft/universal-router)

A simple middleware-style router that can be used in both client-side and server-side applications. Visit **[Quickstart Guide](http://slides.com/koistya/universal-router)** (slides) | Join **[#universal-router](https://gitter.im/kriasoft/universal-router)** on Gitter to stay up to date ## Features - It has [simple code](https://github.com/kriasoft/universal-router/blob/master/src/UniversalRouter.ts) with only single [path-to-regexp](https://github.com/pillarjs/path-to-regexp) dependency. - It can be used with any JavaScript framework such as [React](https://reactjs.org/), [Vue](https://vuejs.org/), [Hyperapp](https://hyperapp.dev/) etc. - It uses the same middleware approach used in [Express](http://expressjs.com/) and [Koa](http://koajs.com/), making it easy to learn. - It supports both [imperative](https://en.wikipedia.org/wiki/Imperative_programming) and [declarative](https://en.wikipedia.org/wiki/Declarative_programming) routing style. - Routes are plain JavaScript [objects](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer) with which you can interact as you like. ## What users say about Universal Router > Just switched a project over to universal-router. > Love that the whole thing is a few hundred lines of flexible, easy-to-read code. > > -- [Tweet](https://twitter.com/wincent/status/862115805378494464) by **Greg Hurrell** from Facebook > It does a great job at trying to be _universal_ — it's not tied to any framework, > it can be run on both server and client, and it's not even tied to history. > It's a great library which does one thing: routing. > > -- [Comment on Reddit](https://www.reddit.com/r/reactjs/comments/5xhw3o#form-t1_dejkw4p367) > by **@everdimension** ## Installation Using [npm](https://www.npmjs.com/package/universal-router): ```bash npm install universal-router --save ``` Or using a [CDN](https://en.wikipedia.org/wiki/Content_delivery_network) like [unpkg.com](https://unpkg.com/universal-router/universal-router.min.js) or [jsDelivr](https://cdn.jsdelivr.net/npm/universal-router/universal-router.min.js) with the following script tag: ```html ``` You can find the library in `window.UniversalRouter`. ## How does it look like? ```js import UniversalRouter from 'universal-router' const routes = [ { path: '', // optional action: () => `

Home

` }, { path: '/posts', action: () => console.log('checking child routes for /posts'), children: [ { path: '', // optional, matches both "/posts" and "/posts/" action: () => `

Posts

` }, { path: '/:id', action: (context) => `

Post #${context.params.id}

` } ] } ] const router = new UniversalRouter(routes) router.resolve('/posts').then(html => { document.body.innerHTML = html // renders:

Posts

}) ``` Play with an example on [JSFiddle](https://jsfiddle.net/frenzzy/b0w9mjck/102/), [CodePen](https://codepen.io/frenzzy/pen/aWLKpb?editors=0010), [JS Bin](https://jsbin.com/kaluden/3/edit?js,output) in your browser or try [RunKit](https://runkit.com/frenzzy/universal-router-demo) node.js playground. ## Documentation - [Getting Started](https://github.com/kriasoft/universal-router/blob/master/docs/getting-started.md) - [Universal Router API](https://github.com/kriasoft/universal-router/blob/master/docs/api.md) ## Books and Tutorials - 🎓 **[ES6 Training Course](https://es6.io/friend/konstantin)** by [Wes Bos](https://twitter.com/wesbos) - 📗 **[You Don't Know JS: ES6 & Beyond](http://amzn.to/2bFss85)** by [Kyle Simpson](https://github.com/getify) (Dec, 2015) - 📄 **[You might not need React Router](https://medium.freecodecamp.org/38673620f3d)** by [Konstantin Tarkus](https://twitter.com/koistya) - 📄 **[An Introduction to the Redux-First Routing Model](https://medium.freecodecamp.org/98926ebf53cb)** by [Michael Sargent](https://twitter.com/michaelksarge) - 📄 **[Getting Started with Relay Modern for Building Isomorphic Web Apps](https://hackernoon.com/ae049e4e23c1)** by [Konstantin Tarkus](https://twitter.com/koistya) ## Browser Support We support all ES5-compliant browsers, including Internet Explorer 9 and above, but depending on your target browsers you may need to include [polyfills]() for [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map), [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) and [`Object.assign`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) before any other code. For compatibility with older browsers you may also need to include polyfills for [`Array.isArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray) and [`Object.create`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create). ## Contributing Anyone and everyone is welcome to [contribute](https://github.com/kriasoft/universal-router/blob/master/.github/CONTRIBUTING.md) to this project. The best way to start is by checking our [open issues](https://github.com/kriasoft/universal-router/issues), submit a [bug report](https://github.com/kriasoft/universal-router/blob/master/.github/CONTRIBUTING.md#bugs) or [feature request](https://github.com/kriasoft/universal-router/blob/master/.github/CONTRIBUTING.md#features), participate in discussions, upvote or downvote the issues you like or dislike, send [pull requests](https://github.com/kriasoft/universal-router/blob/master/.github/CONTRIBUTING.md#pull-requests). ## Support - [#universal-router](https://gitter.im/kriasoft/universal-router) on Gitter — Watch announcements, share ideas and feedback. - [GitHub Issues](https://github.com/kriasoft/universal-router/issues) — Check open issues, send feature requests. - [@koistya](https://twitter.com/koistya) on [Codementor](https://www.codementor.io/koistya), [HackHands](https://hackhands.com/koistya/) or [Skype](https://hatscripts.com/addskype?koistya) — Private consulting. ## Related Projects - [React Starter Kit](https://github.com/kriasoft/react-starter-kit) — Boilerplate and tooling for building isomorphic web apps with React and Relay. - [Node.js API Starter Kit](https://github.com/kriasoft/nodejs-api-starter) — Boilerplate and tooling for building data APIs with Docker, Node.js and GraphQL. - [ASP.NET Core Starter Kit](https://github.com/kriasoft/aspnet-starter-kit) — Cross-platform single-page application boilerplate (ASP.NET Core, React, Redux). - [Babel Starter Kit](https://github.com/kriasoft/babel-starter-kit) — Boilerplate for authoring JavaScript/React.js libraries. - [React App SDK](https://github.com/kriasoft/react-app) — Create React apps with just a single dev dependency and zero configuration. - [React Static Boilerplate](https://github.com/kriasoft/react-static-boilerplate) — Single-page application (SPA) starter kit (React, Redux, Webpack, Firebase). - [History](https://github.com/ReactTraining/history) — HTML5 History API wrapper library that handle navigation in single-page apps. - [Redux-First Routing](https://github.com/mksarge/redux-first-routing) — A minimal, framework-agnostic API for accomplishing Redux-first routing. ## Sponsors Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/universal-router#sponsor)]

## Backers Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/universal-router#backer)]

## License Copyright © 2015-present Kriasoft. This source code is licensed under the MIT license found in the [LICENSE.txt](https://github.com/kriasoft/universal-router/blob/master/LICENSE.txt) file. The documentation to the project is licensed under the [CC BY-SA 4.0](http://creativecommons.org/licenses/by-sa/4.0/) license. --- Made with ♥ by [Konstantin Tarkus](https://github.com/koistya) ([@koistya](https://twitter.com/koistya), [blog](https://medium.com/@tarkus)), [Vladimir Kutepov](https://github.com/frenzzy) and [contributors](https://github.com/kriasoft/universal-router/graphs/contributors)

	Stars	Issues	Version	Updated	Created
@reach/router			1.3.4	4 years ago	6 years ago
nextjs			0.0.3	10 years ago	10 years ago
react-router	51,919	88	6.23.0	6 days ago	10 years ago
react-router-dom	51,914	86	6.23.0	6 days ago	7 years ago
universal-router			9.2.0	10 months ago	8 years ago

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