MediaWiki:Gadget-dark-mode-toggle.js

/** * Enables or disables the dark-mode gadget. * * Authors: User:SD0001, User:Nardog */

// 'Dark mode' and 'Light mode' messages must match the ::before content in // MediaWiki:Gadget-dark-mode-toggle-pagestyles.css and MediaWiki:Gadget-dark-mode.css, respectively. // Don't overwrite existing messages, if already set on a foreign wiki prior to loading this file if (!mw.messages.get('darkmode-turn-on-label')) { mw.messages.set({		'darkmode-turn-on-label': 'Dark mode',		'darkmode-turn-on-tooltip': 'Turn dark mode on',		'darkmode-turn-off-label': 'Light mode',		'darkmode-turn-off-tooltip': 'Turn dark mode off',	}); }

$.when($.ready, mw.loader.using(['mediawiki.util', 'mediawiki.api', 'mediawiki.Uri', 'mediawiki.storage'])).then(function {	var isOn = !!mw.user.options.get('gadget-dark-mode');

if (isOn) { // CSS class for externally styling elements in dark mode via TemplateStyles (or CSS from other gadgets or common.css) // A brief flash of the original styles will occur, so this is only suitable for style changes for which flashes are tolerable. // For others, update Gadget-dark-mode.css directly which is loaded without FOUCs document.documentElement.classList.add('client-dark-mode'); // Update the initial minerva theme-color $('meta[name="theme-color"]').attr('content', '#000000'); }

var onOrOff = isOn ? 'off' : 'on'; var label = mw.msg('darkmode-turn-' + onOrOff + '-label'); var tooltip = mw.msg('darkmode-turn-' + onOrOff + '-tooltip'); var nextnode = mw.config.get('skin') !== 'minerva' && '#pt-watchlist'; var portletLink = mw.util.addPortletLink('p-personal', '#', label, 'pt-darkmode', tooltip, '', nextnode);

function toggleMode { var newState = Number(!mw.user.options.get('gadget-dark-mode')); new mw.Api.saveOption('gadget-dark-mode', newState); mw.user.options.set('gadget-dark-mode', newState); $(document.documentElement).toggleClass('client-dark-mode', !!newState);

// In case the user navigates to another page too quickly mw.storage.session.set('dark-mode-toggled', newState);

var onOrOff = ['on', 'off'][newState];

// Toggle portlet link label and tooltip var labelSelector = ['vector', 'minerva'].includes(mw.config.get('skin')) ? '#pt-darkmode span:not(.mw-ui-icon)' : '#pt-darkmode a'; $(labelSelector).text(mw.msg('darkmode-turn-' + onOrOff + '-label')); $('#pt-darkmode a').attr('title', mw.msg('darkmode-turn-' + onOrOff + '-tooltip')); // Update the minerva theme-color $('meta[name="theme-color"]').attr('content', newState ? '#000000' : '#eaecf0' );

// Modify the element on the page to include/exclude dark-mode styles // We can't use mw.loader as it doesn't work both ways (see talk page) var scriptPath = mw.util.wikiScript('load'); var gadgetsLinkElement = $('link[rel="stylesheet"][href^="' + scriptPath + '?"][href*="ext.gadget."]')[0]; if (gadgetsLinkElement) { var uri = new mw.Uri(gadgetsLinkElement.href); if (newState) { uri.query.modules += ',dark-mode'; } else { uri.query.modules = uri.query.modules .replace('ext.gadget.dark-mode', 'ext.gadget.') // dark-mode is first in the gadget list .replace(/,dark-mode(,|$)/, '$1'); // dark-mode is in middle or end of the list }			gadgetsLinkElement.href = uri.getRelativePath; } else { // No gadget-containing styles are enabled $(' ').attr({				rel: 'stylesheet',				href: scriptPath + '?lang=' + mw.config.get('wgUserLanguage') +					'&modules=ext.gadget.dark-mode&only=styles&skin=' + mw.config.get('skin')			}).appendTo(document.head); }	}

$(portletLink).on('click', function(e) {		e.preventDefault;		toggleMode;	});

// Recover state if the navigation was too quick var storageState = mw.storage.session.get('dark-mode-toggled'); if (storageState && Number(storageState) !== Number(isOn)) { toggleMode; }

if (window.wpDarkModeAutoToggle) { var toggleBasedOnSystemColourScheme = function { var systemSchemeNow = matchMedia('(prefers-color-scheme: dark)').matches; var systemSchemeLast = mw.storage.get('dark-mode-system-scheme') === '1';

var wpSchemeNow = !!mw.user.options.get('gadget-dark-mode');

if (systemSchemeNow !== systemSchemeLast) { if (systemSchemeNow !== wpSchemeNow) { toggleMode; }				mw.requestIdleCallback(function {					mw.storage.set('dark-mode-system-scheme', Number(systemSchemeNow));				}); }		};

toggleBasedOnSystemColourScheme;

// If system colour scheme changes while user is viewing, toggle immediately var mediaQuery = matchMedia('(prefers-color-scheme: dark)'); if (mediaQuery.addEventListener) { mediaQuery.addEventListener('change', toggleBasedOnSystemColourScheme); } else if (mediaQuery.addListener) { // Safari 13 and older mediaQuery.addListener(toggleBasedOnSystemColourScheme); }	} });