stats.grok.se fetcher thingamajig

stats.js

// Licensed under the MIT license; theopolismewiki@gmail.com
( function ( $, mw ) {
	function sum ( obj ) {
		var total;
		for (var prop in obj ) {
			if ( obj.hasOwnProperty( prop ) ) {
				total += parseInt( obj[prop], 10 );
			}
		}
		return total;
	}

	function getPageData( pagename, language ) {
		var deferred = $.Deferred(),
			request3 = $.getJSON( '//stats.grok.se/json/' + language + '/latest30/' + pagename ),
			request6 = $.getJSON( '//stats.grok.se/json/' + language + '/latest60/' + pagename ),
			request9 = $.getJSON( '//stats.grok.se/json/' + language + '/latest90/' + pagename );

		$.when( request3, request6, request9 ).done( function ( data3, data6, data9 ) {
			deferred.resolve( {
				title: data3.title,
				rank: data3.rank,
				hits30: sum( data3.daily_views ),
				hits60: sum( data6.daily_views ),
				hits90: sum( data9.daily_views )
			} );
		} );

		return deferred;
	}

	function getPagesTable( pages, language ) {
		var table = $( '<div>' ), requests = [];

		$.each( pages, function ( i, page ) {
			requests.push( getPageData( page, language ) );
		} );

		$.when.apply( $, requests ).done( function () {
			$.each( requests, function ( i, request ) {
				request.done( function ( data ) {
					table.append( $( '<div>' ).text( JSON.stringify( data ) ) );
				} );
			} );
		} );
	}

	var pages = prompt( 'Enter page names, separated by pipes', mw.config.get( 'wgTitle' ) ).split( '|' ),
		language = mw.config.get( 'wgPageContentLanguage' );

	$( '#mw-content-text' ).prepend( getPagesTable( pages, language ) );

} )( jQuery, mediaWiki );