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define(function() {
'use strict';
var all_pages = 'home studying curriculum campus career'.split(' ');
var cacheBuster = '';
if (/dev/.test(location.search)) {
cacheBuster = '?t=' + (new Date()).getTime();
}
/* loads a page into view and execute scripts */
function loadContent(name, text) {
var contentElement = document.getElementById('content');
contentElement.innerHTML = text;
document.body.dataset.page = name;
// execute scripts in page
[].forEach.call(contentElement.getElementsByTagName('script'),
function(origScript) {
var script = document.createElement('script');
// copy attributes
[].forEach.call(origScript.attributes, function(a) {
script.setAttribute(a.name, a.value);
});
// copy contents
script.textContent = origScript.textContent;
origScript.parentNode.replaceChild(script, origScript);
});
}
/* tries to navigate to a page */
function selectPage(page) {
if (all_pages.indexOf(page) == -1) {
// TODO: 404
console.log("404 " + page);
return false;
}
console.log("Loading " + page);
var http = new XMLHttpRequest();
http.onload = function() {
loadContent(page, http.responseText);
};
http.open('get', 'pages/' + page + '.html' + cacheBuster);
http.send(null);
return true;
}
addEventListener('hashchange', function(ev) {
var m = /#\/(.+)/.exec(ev.newURL);
if (m) {
selectPage(m[1]);
} else if (!/#/.test(ev.newURL)) {
location.hash = '#/home';
}
});
// Tries to load the current page, falling back to "home" for unknown URLs.
if (!selectPage(location.hash.replace(/^#\//, ''))) {
location.hash = '#/home';
}
});
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