User:Nikki/TalkPageHeader.js

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/**
 * This is a script which aims to replace [[MediaWiki:Talkpageheader]], so that
 * the talk page header is shown for languages other than English. If it works
 * well enough, it could be turned into a gadget which is enabled by default.
 * 
 * To help test it, add the follow to your common.js:
 * mw.loader.load("//www.wikidata.org/w/index.php?title=User:Nikki/TalkPageHeader.js&action=raw&ctype=text/javascript");
 * 
 * @license CC0-1.0
 */
( function () {
	'use strict';

	if ( mw.config.get( 'wgNamespaceNumber' ) !== 1 ) {
		// Only show on item talk pages
		return;
	}

	function init() {
		var div = document.querySelector( '.mw-talkpageheader' );
		if ( !div ) {
			div = document.createElement( 'div' );
			div.className = 'mw-talkpageheader';
			document.getElementById( 'mw-content-text' ).prepend( div );
		}

		var args = {
			'action': 'parse',
			'contentmodel': 'wikitext',
			'disablelimitreport': 1,
			'formatversion': 2,
			'prop': 'text',
			'text': '{{Item documentation|' + mw.config.get( 'wgTitle' ) + '}}',
			'uselang': mw.config.get( 'wgUserLanguage' ),
		};

		var api = new mw.Api().get( args ).done( function ( data ) {
			div.innerHTML = data.parse.text;
		} );
	}


	mw.loader.using( [ 'mediawiki.api' ] ).then( function () {
		init();
	} );

} )();