User:BrandonXLF/CollapseSections.js

/*** Collapse Sections ***/

// Adds an arrow to sections to make them collasible

// Documentation at en:w:User:BrandonXLF/CollaspeSections

// By en:w:User:BrandonXLF

// window.collapseSections - Set to true to collapse all sections by default

mw.hook('wikipage.content').add(function(content) {

if (mw.config.get('skin') === 'minerva') return;

mw.util.addCSS('[class*="hide-sec"]{display:none!important}');

content.find('.mw-parser-output :header:has(*)').each(function() {

var level = +this.nodeName[1],

heading = $(this),

icon = $('');

icon.click(function() {

var levelMatch = 'h1';

for (var i = 2; i <= level; i++) levelMatch += ',h' + i + ':has(*)';

icon.toggleClass('mw-ui-icon-collapse');

icon.toggleClass('mw-ui-icon-expand');

heading.nextUntil(levelMatch).toggleClass('hide-sect-h' + level);

});

if (window.collapseSections) icon.click();

heading.prepend(icon);

});

});

mw.loader.load(['mediawiki.ui.icon', 'oojs-ui.styles.icons-movement']);

mw.util.addCSS('[class*="hide-sec"]{display:none!important}');