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Switched from using YUI Compressor to Google Compiler. Minified and 
Gzipped filesize reduced to 22,839 bytes from 26,169 bytes (13% decrease 
in filesize). Sizzle copyright was merged into the main header (since it's 
removed automatically). Still passes all unit tests.

jeresig (author)

Fri Dec 18 18:23:26 -0800 2009

commit 3fd62eae9df3159fc238a515bb748140a942313d
tree f3701994828ca356c2eb4059e1352ca89b72f0df
parent 42f8c3add3e0e4370d4bd6816bf471e07baf34be

M	Makefile	5 •••••
M	build.xml	21 ••••
A	build/google-compiler-20091218.jar	0
D	build/yuicompressor-2.4.2.jar	0
M	src/intro.js	7 ••••

Makefile

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@@ -29,7 +29,7 @@ JQ_MIN = ${DIST_DIR}/jquery.min.js
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 JQ_VER = `cat version.txt`
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 VER = sed s/@VERSION/${JQ_VER}/
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-MINJAR = java -jar ${BUILD_DIR}/yuicompressor-2.4.2.jar
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+MINJAR = java -jar ${BUILD_DIR}/google-compiler-20091218.jar
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 DATE=`git log -1 | grep Date: | sed 's/[^:]*: *//'`
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@@ -66,7 +66,8 @@ min: ${JQ_MIN}
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 ${JQ_MIN}: ${JQ}
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   @@echo "Building" ${JQ_MIN}
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-  @@${MINJAR} ${JQ} > ${JQ_MIN}
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+  @@head -15 ${JQ} > ${JQ_MIN}
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+  @@${MINJAR} --js ${JQ} --warning_level QUIET >> ${JQ_MIN}
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 clean:
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   @@echo "Removing Distribution directory:" ${DIST_DIR}

build.xml

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@@ -71,13 +71,24 @@
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         <include name="jquery.js" />
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       </fileset>
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       <arg line="-jar" />
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-      <arg path="build/yuicompressor-2.4.2.jar" />
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-      <arg value="--charset" />
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-      <arg value="ANSI" />
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-      <arg value="-o" />
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+      <arg path="build/google-compiler-20091218.jar" />
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+      <arg value="--warning_level" />
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+      <arg value="QUIET" />
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+      <arg value="--js_output_file" />
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       <targetfile />
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-      <mapper type="glob" from="jquery.js" to="jquery.min.js" />
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+      <arg value="--js" />
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+      <mapper type="glob" from="jquery.js" to="tmpmin" />
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     </apply>
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+    <concat destfile="${JQ_MIN}">
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+      <filelist files="${JQ}, dist/tmpmin"/>
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+      <filterchain>
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+        <headfilter lines="15"/>
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+      </filterchain>
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+    </concat>
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+    <concat destfile="${JQ_MIN}" append="yes">
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+      <filelist files="dist/tmpmin"/>
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+    </concat>
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+    <delete file="dist/tmpmin"/>
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         <echo message="${JQ_MIN} built." />
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     </target>
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build/google-compiler-20091218.jar

build/yuicompressor-2.4.2.jar

src/intro.js

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@@ -2,10 +2,15 @@
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  * jQuery JavaScript Library v@VERSION
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  * http://jquery.com/
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  *
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- * Copyright (c) 2009 John Resig
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+ * Copyright 2009, John Resig
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  * Dual licensed under the MIT or GPL Version 2 licenses.
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  * http://docs.jquery.com/License
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  *
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+ * Includes Sizzle.js
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+ * http://sizzlejs.com/
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+ * Copyright 2009, The Dojo Foundation
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+ * Released under the MIT, BSD, and GPL Licenses.
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+ *
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  * Date: 
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  */
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 (function(window, undefined){

Comments

coling Tue Jan 19 04:10:19 -0800 2010

Rather than using 15 lines hard coded into the build script (which is bound to break at some point), would it not be better to change src/intro.js to use a JSDoc comment market (/* rather than /!) and add either the @license or @preserve tags to the comment so that it is kept in the output?

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