Build: ant size will now give you a report detailing differences in size since the last time you ran the report

(cherry picked from commit 264139b225)

Conflicts:

	build/build.xml

.gitignore

@@ -1,4 +1,6 @@
 build/dist
+build/size
+build/build/.sizecache.json
 docs
 .project
 *~

build/build.xml

@@ -32,6 +32,7 @@
 	<property name="docs.dir" value="${dist.dir}/docs/" />
 
 	<property name="min.dir" value="${dist.dir}/ui/minified" />
+	<property name="size.dir" value="size" />
 
 	<property name="concatenated" value="jquery-ui" />
 	<property name="concatenated.i18n" value="jquery-ui-i18n" />
@@ -161,6 +162,8 @@
 		<mkdir dir="${min.dir}/i18n/" />
 		<mkdir dir="${dist.dir}/themes/base/minified" />
 
+				<parallel threadsperprocessor="1">
+
 						<apply executable="java" parallel="false">
 								<fileset dir="${dist.dir}/ui" includes="*.js" />
 								<arg line="-jar" />
@@ -197,6 +200,8 @@
 								<targetfile/>
 						</apply>
 
+				</parallel>
+
 		<replaceregexp match=".css" replace=".min.css" flags="g">
 			<fileset dir="${dist.dir}/themes/base/minified/">
 				<include name="*.base.min.css"/>
@@ -258,6 +263,8 @@
 		<mkdir dir="${docs.dir}" />
 		<property name="url" value="http://docs.jquery.com/action/render/UI/API/${release.version}/" />
 
+				<parallel threadcount="8">
+
 						<get src="${url}Draggable" dest="${docs.dir}draggable.html" />
 						<get src="${url}Droppable" dest="${docs.dir}droppable.html" />
 						<get src="${url}Resizable" dest="${docs.dir}resizable.html" />
@@ -269,8 +276,11 @@
 						<get src="${url}Button" dest="${docs.dir}button.html" />
 						<get src="${url}Datepicker" dest="${docs.dir}datepicker.html" />
 						<get src="${url}Dialog" dest="${docs.dir}dialog.html" />
+						<get src="${url}Menu" dest="${docs.dir}menu.html" />
 						<get src="${url}Progressbar" dest="${docs.dir}progressbar.html" />
 						<get src="${url}Slider" dest="${docs.dir}slider.html" />
+						<get src="${url}Spinner" dest="${docs.dir}spinner.html" />
+						<get src="${url}Tooltip" dest="${docs.dir}tooltip.html" />
 						<get src="${url}Tabs" dest="${docs.dir}tabs.html" />
 
 						<get src="${url}Position" dest="${docs.dir}position.html" />
@@ -302,6 +312,7 @@
 						<get src="http://docs.jquery.com/action/render/UI/Effects/Shake" dest="${docs.dir}effect-shake.html" />
 						<get src="http://docs.jquery.com/action/render/UI/Effects/Size" dest="${docs.dir}effect-size.html" />
 						<get src="http://docs.jquery.com/action/render/UI/Effects/Transfer" dest="${docs.dir}effect-transfer.html" />
+				</parallel>
 	</target>
 
 	<target name="themes-download">
@@ -347,6 +358,37 @@
 		<echo message="All trailing spaces removed." />
 	</target>
 
+	<target name="size" depends="copy, minify, replace-version, prepend-header" description="Report sizes of files">
+		<echo message="Collecting files to size" />
+		<mkdir dir="${size.dir}" />
+		<copy todir="${size.dir}">
+			<fileset dir="${dist.dir}/ui" includes="*.js" />
+			<fileset dir="${dist.dir}/ui/i18n" includes="*.js" />
+			<fileset dir="${dist.dir}/ui/minified" includes="*.js" />
+			<fileset dir="${dist.dir}/ui/minified/i18n" includes="*.js" />
+			<fileset dir="${dist.dir}/themes/base" includes="*.css" />
+			<fileset dir="${dist.dir}/themes/base/minified" includes="*.css" />
+		</copy>
+		<echo message="GZipping Minified" />
+		<parallel threadsperprocessor="2">
+			<apply executable="gzip">
+				<fileset dir="${size.dir}" includes="*.min.js" />
+				<fileset dir="${size.dir}" includes="*.min.css" />
+				<arg value="-c" />
+				<srcfile />
+				<redirector>
+					<outputmapper id="out" type="glob" from="*" to="${size.dir}/*.gz"/>
+				</redirector>
+			</apply>
+		</parallel>
+		<echo message="Comparing file size with previous build" />
+		<exec executable="bash">
+			<arg value="-c" />
+			<arg value="wc -c ${size.dir}/* | `which node nodejs` build/sizer.js" />
+		</exec>
+		<delete dir="${size.dir}" />
+	</target>
+
 	<target name="cdn">
 		<delete dir="${cdndist.dir}" />
 		<mkdir dir="${cdndist.dir}" />

build/build/sizer.js

@@ -0,0 +1,35 @@
+var fs = require( "fs" ),
+	stdin = process.openStdin(),
+	rsize = /(\d+).*?(jquery\S+)/g,
+	oldsizes = {},
+	sizes = {};
+
+try {
+	oldsizes = JSON.parse( fs.readFileSync(  __dirname + "/.sizecache.json", "utf8" ) );
+} catch(e) {
+	oldsizes = {};
+};
+
+stdin.on( "data" , function( chunk ) {
+	var match;
+
+	while ( match = rsize.exec( chunk ) ) {
+		sizes[ match[2] ] = parseInt( match[1], 10 );
+	}
+});
+
+function lpad( str, len, chr ) {
+	return ( Array(len+1).join( chr || " ") + str ).substr( -len );
+}
+
+stdin.on( "end", function() {
+	fs.writeFileSync( __dirname + "/.sizecache.json", JSON.stringify( sizes, true ), "utf8" );
+	for ( var key in sizes ) {
+		var diff = oldsizes[ key ] && ( sizes[ key ] - oldsizes[ key ] );
+		if ( diff > 0 ) {
+			diff = "+" + diff;
+		}
+		console.log( "%s %s %s", lpad( sizes[ key ], 8 ), lpad( diff ? "(" + diff + ")" : "(-)", 8 ), key );
+	}
+	process.exit();
+});