User:Izno/persistentParams.js

$( => {	'use strict';	mw.loader.using( 'mediawiki.util',  => { [ 'uselang', 'useskin' ].forEach( param => {			if ( mw.util.getParamValue( param ) ) {				$( 'a' ).each( ( i, e ) => { $( e ).attr( 'href', ( ind, old ) => {						if ( e.href ) {							const url = new URL( e.href );							const base = url.origin + url.pathname;							const searchParams = new URLSearchParams( url.searchParams );							searchParams.set( param, mw.util.getParamValue( param ) );							return base + '?' + searchParams.toString + url.hash;						}					} ); } );				$( 'form' ).each( ( i, e ) => { $( e ).attr( 'action', ( ind, old ) => {						if ( !old.includes( '#' ) ) {							return old + '&' + param + '=' + mw.util.getParamValue( param );						}					} ); } );			}		} );	} ); } );