MediaWiki:Gadget-Dark-Mode-Toggle.js

/** * Enables or disables the dark-mode gadget. * * Authors: User:SD0001, User:Nardog (from Wikipedia / Modified by Vish) */

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', 'es6-polyfills'])).then(function {	var isOn = mw.loader.getState('ext.gadget.nightmode') === 'ready';

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 mobile 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 broadcastChannel = new BroadcastChannel('gadget-nightmode'); mw.util.addPortletLink('p-personal', '#', label, 'pt-darkmode', tooltip, '', nextnode); mw.util.addPortletLink('p-personal-sticky-header', '#', label, 'pt-darkmode-sticky-header', tooltip, '', nextnode + '-sticky-header');

function toggleMode(offline) { isOn = !isOn; var newState = Number(isOn); if (!offline) { new mw.Api.saveOption('gadget-nightmode', newState);

// Broadcast state change to other tabs broadcastChannel.postMessage(isOn); }		$(document.documentElement).toggleClass('client-dark-mode', isOn);

// 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', 'vector-2022', 'minerva'].includes(mw.config.get('skin')) ? '#pt-darkmode span:not(.mw-ui-icon), #pt-darkmode-sticky-header span:not(.mw-ui-icon)' : '#pt-darkmode a'; $(labelSelector).text(mw.msg('darkmode-turn-' + onOrOff + '-label')); $('#pt-darkmode a, #pt-darkmode-sticky-header a').attr('title', mw.msg('darkmode-turn-' + onOrOff + '-tooltip')); // Update the mobile theme-color $('meta[name="theme-color"]').attr('content', isOn ? '#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 $gadgetsLink = $('link[rel="stylesheet"][href^="' + scriptPath + '?"][href*="ext.gadget."]'); if ($gadgetsLink.length) { var uri = new mw.Uri($gadgetsLink.prop('href')); if (isOn) { uri.query.modules += ',nightmode'; } else { if (uri.query.modules === 'ext.gadget.nightmode') { // dark-mode is the only module in this link $gadgetsLink.remove; return; }				uri.query.modules = uri.query.modules .replace('ext.gadget.nightmode,', 'ext.gadget.') // dark-mode is first in the gadget list .replace(/,nightmode(,|$)/, '$1'); // dark-mode is in middle or end of the list }			$gadgetsLink.prop('href', uri.getRelativePath); } else { // No gadget-containing styles are enabled $(' ').attr({				rel: 'stylesheet',				href: scriptPath + '?lang=' + mw.config.get('wgUserLanguage') +					'&modules=ext.gadget.nightmode&only=styles&skin=' + mw.config.get('skin')			}).appendTo(document.head); }	}

$('#pt-darkmode, #pt-darkmode-sticky-header').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(true); }

// Listen to dark mode state change made on other tabs broadcastChannel.onmessage = function (msg) { if (msg.data !== isOn) { toggleMode(true); }	};

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

if (systemSchemeNow !== systemSchemeLast) { if (systemSchemeNow !== isOn) { 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); }	} });