MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

$('#p-contentnavigation').append($('#editor-menu'));

const server     = mw.config.get ( 'wgServer' );
const path       = mw.config.get ( 'wgScriptPath' );
const categories = mw.config.get ( 'wgCategories' );
const curpage    = mw.config.get( 'wgTitle' );
// const manpage    = window.location.pathname.replace(/\/index\.php\//, '');
const areas      = ['Marketing', 'Finance', 'Operations', 'Planning', 'HR', 'Accounting'];
const contentWrapper = document.querySelector('#content-wrapper');
const headings = contentWrapper.querySelectorAll('h1 > span, h2  > span, h3  > span, h4  > span, h5  > span, h6  > span');
var firstElement = [];

$(function() {
	
	// add a link and click event to the dropdown togglers
	$('#top-panel .dropdown-toggle').each(function(i,v){
		var p = $(v).text();
		var url = new URL( server + path + '/index.php/' + encodeURIComponent(p));
		$(v).attr('href', url);

		$(v).on('click', function(e){
			e.stopPropagation();
			$(v).click;
		});
	});

	// on page load check its name to highlight menu items
	$('#top-panel a.dropdown-toggle').each(function(i,v){
		var p = new URL($(v).attr('href')).pathname.replace(/%20/g, ' ').replace(/\/index\.php\//, '');
		if(p === curpage){
			$(v)
			.addClass('show')
			.attr('aria-expanded','true')
			.parent()
			.addClass('position-static show')
			.find('.dropdown-menu')
			.show();
		} else {
			$(v)
			.removeClass('show')
			.attr('aria-expanded','false')
			.parent()
			.removeClass('position-static show')
			.find('.dropdown-menu')
			.hide();
		}
	});

	// highlight active category
	getActiveCategory();

    // highlight current toc elements
    followHeadings();
    
});

function getActiveCategory(){
	for(var i = 0, j = areas.length; i < j; i++) {
		if(categories.includes(areas[i])) {
			$('.im-' + areas[i].toLowerCase()).parent().addClass('im-active');
		} else {
			$('.im-' + areas[i].toLowerCase()).parent().removeClass('im-active');
		}
	}
}

function followHeadings(){
	const observer = new IntersectionObserver((entries) => {
		entries.forEach((entry) => {
    		if (entry.isIntersecting) {
				const heading = entry.target;
				const headingId = heading.getAttribute('id');
				var className = "n-" + headingId.replace(/_/g, "-");
				firstElement = document.getElementsByClassName(`${className}`);
				if(firstElement.item(0) === null || firstElement.item(0) === undefined){
				} else {
					$('.nav-link').removeClass('active');
					firstElement.item(0).classList.add('active');
				} 
			} 
		});
	});
	headings.forEach((heading) => {
		observer.observe(heading);
	});
}