User:Jackmcbarn/parsoidview.js

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Documentation for this user script can be added at User:Jackmcbarn/parsoidview.

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(function(){
	'use strict';
	var isParsoid = false, elem = $('#mw-content-text')[0], phpHTML = elem.innerHTML, parsoidHTML = null;
	var portletLink = mw.util.addPortletLink( 'p-tb', '#', 'Enable Parsoid view', 't-parsoid-view-toggle' );
	$( portletLink ).click( function ( e ) {
		e.preventDefault();
		if(isParsoid) {
			elem.innerHTML = phpHTML;
			isParsoid = false;
			portletLink.firstChild.innerHTML = 'Enable Parsoid view';
		} else if(parsoidHTML) {
			elem.innerHTML = parsoidHTML;
			isParsoid = true;
			portletLink.firstChild.innerHTML = 'Disable Parsoid view';
		} else {
			elem.innerHTML = parsoidHTML = 'Loading HTML from Parsoid...';
			isParsoid = true;
			portletLink.firstChild.innerHTML = 'Disable Parsoid view';
			$.get('//parsoid-prod.wmflabs.org/enwiki/' + encodeURIComponent(mw.config.get('wgPageName')) + '?oldid=' + mw.config.get('wgRevisionId'), function(data) {
				var parsoidDom = new DOMParser().parseFromString(data, 'text/html');
				parsoidHTML = parsoidDom.body.innerHTML;
				if(isParsoid) {
					elem.innerHTML = parsoidHTML;
				}
			});
		}
	});
})()