MediaWiki:Gadget-darkmode.js

/**
 * Toggle for dark mode
 * 
 * @author [[User:Jayden]]
 * @see Based on https://minecraft.wiki/w/MediaWiki:Gadget-darkmode.js , which is based on
 * @see Based on https://runescape.wiki/w/MediaWiki:Gadget-skinTogglesNew.js
 */
;(function($, mw){
	var DARK_COOKIE = 'darkmode',
		THEME_COOKIE = 'theme',
		isUsingDarkmode = $.cookie(THEME_COOKIE) === 'dark' || ($.cookie(THEME_COOKIE) == null && $.cookie(DARK_COOKIE) === 'true'),
		isMobile = mw.config.get('wgMFMode') !== null,
		portletLink;

	var self = {
		init: function () {
			$.cookie(THEME_COOKIE, isUsingDarkmode ? 'dark' : 'light', {expires: 365, path: '/'});
			document.documentElement.classList.remove(`skin-theme-clientpref-${isUsingDarkmode ? 'day' : 'night'}`);
			document.documentElement.classList.add(`skin-theme-clientpref-${isUsingDarkmode ? 'night' : 'day'}`);

			portletLink = mw.util.addPortletLink(
				( isMobile ? 'p-navigation' : 'p-personal' ),
				'',
				( isMobile ? 'Toggle dark mode' : '' ),
				'pt-dm-toggle',
				'Toggle dark mode',
				null,
				$('#pt-userpage, #pt-anonuserpage, #pt-createaccount')[0]
			);
			
			$(portletLink).find('a').click(function(e) {
				e.preventDefault();
				
				isUsingDarkmode = !isUsingDarkmode;
				$.cookie(THEME_COOKIE, isUsingDarkmode ? 'dark' : 'light', {expires: 365, path: '/'});
				$.cookie(DARK_COOKIE, isUsingDarkmode, {expires: 365, path: '/'});
				
				if (isUsingDarkmode === true) {
					mw.loader.using(['wgl.theme.dark']).then(function() {
					  $('body').addClass('wgl-theme-dark')
					  $('body').removeClass('wgl-theme-light')
					  mw.hook('wgl.themeChanged').fire('dark')
					  document.documentElement.classList.remove('skin-theme-clientpref-day')
					  document.documentElement.classList.add('skin-theme-clientpref-night')
					});
				} else {
					$('body').addClass('wgl-theme-light')
					$('body').removeClass('wgl-theme-dark')
					mw.hook('wgl.themeChanged').fire('light')
					document.documentElement.classList.remove('skin-theme-clientpref-night')
					document.documentElement.classList.add('skin-theme-clientpref-day')
				}
			});
		}
	}
	
	$(self.init);

}(jQuery, mediaWiki));