57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
// https://github.com/pure-css/pure/blob/master/site/static/js/ui.js
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(function (window, document) {
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// we fetch the elements each time because docusaurus removes the previous
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// element references on page navigation
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function getElements() {
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return {
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layout: document.getElementById('layout'),
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menu: document.getElementById('menu'),
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menuLink: document.getElementById('menuLink')
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};
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}
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function toggleClass(element, className) {
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var classes = element.className.split(/\s+/);
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var length = classes.length;
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var i = 0;
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for (; i < length; i++) {
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if (classes[i] === className) {
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classes.splice(i, 1);
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break;
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}
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}
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// The className is not found
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if (length === classes.length) {
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classes.push(className);
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}
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element.className = classes.join(' ');
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}
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function toggleAll() {
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var active = 'active';
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var elements = getElements();
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toggleClass(elements.layout, active);
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toggleClass(elements.menu, active);
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toggleClass(elements.menuLink, active);
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}
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function handleEvent(e) {
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var elements = getElements();
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if (e.target.id === elements.menuLink.id) {
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toggleAll();
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e.preventDefault();
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} else if (elements.menu.className.indexOf('active') !== -1) {
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toggleAll();
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}
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}
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document.addEventListener('click', handleEvent);
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}(this, this.document));
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