Created
September 1, 2018 08:53
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simple-spa-router
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| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Document</title> | |
| </head> | |
| <body> | |
| <div id="app"> | |
| <ul> | |
| <li><a data-href="/" href="#">home</a></li> | |
| <li><a data-href="/about" href="#">about</a></li> | |
| <li><a data-href="/topics" href="#">topics</a></li> | |
| </ul> | |
| <div id="content"></div> | |
| </div> | |
| <script src="./router.js"></script> | |
| <script> | |
| const router = new Router() | |
| router.init() | |
| router.route('/', _ => { | |
| document.getElementById('content').innerHTML = 'Home'; | |
| }) | |
| router.route('/about', function() { | |
| document.getElementById('content').innerHTML = 'About'; | |
| }) | |
| router.route('/topics', function() { | |
| document.getElementById('content').innerHTML = 'Topics'; | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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| class Router { | |
| constructor () { | |
| this.currentUrl = '' | |
| this.routes = {} | |
| } | |
| route (path, callback = function () {}) { | |
| this.routes[path] = callback | |
| } | |
| updateView (url) { | |
| if (this.routes[url]) this.routes[url]() | |
| } | |
| bindLink () { | |
| const allLink = document.querySelectorAll('a[data-href]') | |
| for (let i = 0, len = allLink.length; i < len; i++) { | |
| allLink[i].addEventListener('click', e => { | |
| e.preventDefault() | |
| const url = e.target.getAttribute('data-href') | |
| history.pushState({}, null, url) | |
| this.updateView(url) | |
| }) | |
| } | |
| } | |
| init () { | |
| this.bindLink() | |
| window.addEventListener('popstate', e => { | |
| this.updateView(window.location.pathname) | |
| }) | |
| window.addEventListener('load', e => { | |
| this.updateView('/') | |
| }, false) | |
| } | |
| } |
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