Created
July 27, 2015 22:36
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mini spa
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| <!doctype html> | |
| <script> | |
| function $(selector) { | |
| return document.querySelectorAll(selector) | |
| } | |
| function onClick(selector, callback) { | |
| $("html")[0].addEventListener("click", function(event) { | |
| if (event.target.matches(selector)) { | |
| callback.call(event.target, event) | |
| } | |
| }) | |
| } | |
| var navigationCallbacks = {} | |
| addEventListener("popstate", function(state) { | |
| if (history.state && history.state.path in navigationCallbacks) { | |
| navigationCallbacks[history.state.path]() | |
| } | |
| }) | |
| function onNavigate(path, callback) { | |
| navigationCallbacks[path] = callback | |
| } | |
| function navigate(path) { | |
| if (path in navigationCallbacks) { | |
| history.pushState({path: path}, "", path) | |
| navigationCallbacks[path]() | |
| } | |
| } | |
| function render(selector, templateSelector, context) { | |
| var templateSource = $(templateSelector)[0].innerHTML | |
| var templateFunction = new Function("context", "return `" + templateSource + "`") | |
| $(selector)[0].innerHTML = templateFunction(context) | |
| } | |
| function init() { | |
| onClick("a", function(event) { | |
| navigate(this.getAttribute("href")) | |
| event.preventDefault() | |
| }) | |
| navigate(location.pathname) | |
| } | |
| </script> | |
| <body> | |
| <a href="/gate-1">Open gate 1</a> | |
| <a href="/gate-2">Open gate 2</a> | |
| <a href="/gate-3">Open gate 3</a> | |
| <main> | |
| </main> | |
| <template id="view0"> | |
| <p>Hello ${context.name}</p> | |
| </template> | |
| <template id="view1"> | |
| <p>Your prize is <strong>${context.prize}</strong></p> | |
| <a href="/">Go back</a> | |
| </template> | |
| <script> | |
| onNavigate("/", function() { | |
| render("main", "#view0", {name: "Anonymous"}) | |
| }) | |
| onNavigate("/gate-1", function() { | |
| render("main", "#view1", {prize: "Goat"}) | |
| }) | |
| onNavigate("/gate-2", function() { | |
| render("main", "#view1", {prize: "*** Gold ***"}) | |
| }) | |
| onNavigate("/gate-3", function() { | |
| render("main", "#view1", {prize: "Goat"}) | |
| }) | |
| init() | |
| </script> | |
| </body> |
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| /* Use the server by running `node server.js` | |
| the purpose is for the server to always return index.html | |
| no matter what the path is */ | |
| var server = require("http") | |
| var filesys = require("fs") | |
| server.createServer(function(request,response){ | |
| filesys.readFile("index.html", function(err, data) { | |
| response.writeHeader(200) | |
| response.write(data) | |
| response.end() | |
| }) | |
| }).listen(8080) |
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