MediaWiki:Common.js

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

// #region I18n accessor factory
// This takes in a module name and a localised string table (map[language -> map[name -> string]]),
// and returns a function to look-up a string by its name.
// Translations should either be put into the script's string table, or provided locally via
// [[MediaWiki:Common.js]].
// To provide a string locally, provide window.arkLocalI18n (map[module -> map[name -> string]]).
window.arkCreateI18nInterface = function(module, strings) {
    var lang = mw.config.get('wgPageContentLanguage');
    var localStrings = window.arkLocalI18n && window.arkLocalI18n[module];
    return function (key) {
        return ( // try from local store
                 (localStrings && localStrings[key])
                 // try from script store
                 || (strings[lang] && strings[lang][key] || strings['en'][key])
                 // fallback
                 || '<'+key+'>' );
    };
};
window.arkCreateI18nInterfaceEx = function ( module, strings ) {
    var lang = mw.config.get( 'wgPageContentLanguage' );
    var localStrings = window.arkLocalI18n && window.arkLocalI18n[ module ];

    return Object.assign(
        {},
        strings[ 'en' ],
        strings[ lang ],
        localStrings
    );
};
// #endregion


// #region importArticles with transparent EN interwiki support
// Strip "en:" prefix on EN wiki, or prepend "u:" on translations
window.arkIsEnglishWiki = mw.config.get('wgContentLanguage') == 'en';
window.arkImportArticles = function ( articles ) {
    var mLocal = [], mGlobal = [];
    articles.forEach( function ( item ) {
        if ( item.startsWith( 'en:' ) ) {
            mGlobal.push( item.slice( 3 ) );
        } else {
            mLocal.push( item );
        }
    } );
    if ( arkIsEnglishWiki ) {
        mLocal = mLocal.concat( mGlobal );
        mGlobal.length = 0;
    }
    // Load global modules
    if ( mGlobal.length ) {
        mw.loader.load( '/load.php?lang=en&modules=' + encodeURIComponent( mGlobal.join( '|' ) )
        	+ '&skin=vector&version=ztntf' + ( mw.config.get( 'debug' ) ? '&debug=1' : '' ) );
    }
    // Load local modules
    if ( mLocal.length ) {
        // Race warning: the ImportArticles extension script might be loaded after our script. Require it before executing the call.
        mw.loader.using( 'ext.importarticles', function () {
            importArticles( { type: 'script', articles: mLocal } );
        } );
    }
};