new build using JSMin
This commit is contained in:
Franck Marcia
parent
69efa31318
commit
7f17d8f528
3 changed files with 333 additions and 1 deletions
13
build.xml
13
build.xml
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@ -11,6 +11,7 @@
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<property name="JQ" value="${DIST_DIR}/jquery.js" />
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<property name="JQ_LITE" value="${DIST_DIR}/jquery.lite.js" />
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<property name="JQ_MIN" value="${DIST_DIR}/jquery.min.js" />
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<property name="JQ_PACK" value="${DIST_DIR}/jquery.pack.js" />
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<target name="jquery">
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@ -35,6 +36,16 @@
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<echo message="${JQ_LITE} built." />
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</target>
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<target name="min" depends="jquery">
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<echo message="Building ${JQ_MIN}" />
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<java jar="${JAR}" fork="true">
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<arg value="${BUILD_DIR}/build/min.js" />
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<arg value="${JQ}" />
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<arg value="${JQ_MIN}" />
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</java>
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<echo message="${JQ_MIN} built." />
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</target>
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<target name="pack" depends="jquery">
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<echo message="Building ${JQ_PACK}" />
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<java jar="${JAR}" fork="true">
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@ -93,7 +104,7 @@
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<delete dir="${DIST_DIR}" />
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</target>
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<target name="all" depends="clean,jquery,lite,pack,docs,test" >
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<target name="all" depends="clean,jquery,lite,min,pack,docs,test" >
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<echo message="Build complete." />
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</target>
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5
build/build/min.js
Normal file
5
build/build/min.js
Normal file
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@ -0,0 +1,5 @@
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load("build/js/jsmin.js", "build/js/writeFile.js");
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var f = jsmin('', readFile(arguments[0]), 3);
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writeFile( arguments[1], f );
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316
build/js/jsmin.js
Normal file
316
build/js/jsmin.js
Normal file
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@ -0,0 +1,316 @@
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/* jsmin.js - 2006-08-31
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Author: Franck Marcia
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This work is an adaptation of jsminc.c published by Douglas Crockford.
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Permission is hereby granted to use the Javascript version under the same
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conditions as the jsmin.c on which it is based.
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jsmin.c
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2006-05-04
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Copyright (c) 2002 Douglas Crockford (www.crockford.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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The Software shall be used for Good, not Evil.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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Update:
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add level:
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1: minimal, keep linefeeds if single
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2: normal, the standard algorithm
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3: agressive, remove any linefeed and doesn't take care of potential
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missing semicolons (can be regressive)
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store stats
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jsmin.oldSize
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jsmin.newSize
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*/
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String.prototype.has = function(c) {
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return this.indexOf(c) > -1;
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};
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function jsmin(comment, input, level) {
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if (input === undefined) {
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input = comment;
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comment = '';
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level = 2;
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} else if (level === undefined || level < 1 || level > 3) {
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level = 2;
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}
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if (comment.length > 0) {
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comment += '\n';
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}
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var a = '',
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b = '',
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EOF = -1,
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LETTERS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',
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DIGITS = '0123456789',
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ALNUM = LETTERS + DIGITS + '_$\\',
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theLookahead = EOF;
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/* isAlphanum -- return true if the character is a letter, digit, underscore,
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dollar sign, or non-ASCII character.
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*/
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function isAlphanum(c) {
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return c != EOF && (ALNUM.has(c) || c.charCodeAt(0) > 126);
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}
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/* get -- return the next character. Watch out for lookahead. If the
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character is a control character, translate it to a space or
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linefeed.
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*/
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function get() {
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var c = theLookahead;
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if (get.i == get.l) {
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return EOF;
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}
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theLookahead = EOF;
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if (c == EOF) {
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c = input.charAt(get.i);
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++get.i;
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}
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if (c >= ' ' || c == '\n') {
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return c;
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}
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if (c == '\r') {
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return '\n';
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}
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return ' ';
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}
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get.i = 0;
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get.l = input.length;
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/* peek -- get the next character without getting it.
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*/
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function peek() {
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theLookahead = get();
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return theLookahead;
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}
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/* next -- get the next character, excluding comments. peek() is used to see
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if a '/' is followed by a '/' or '*'.
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*/
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function next() {
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var c = get();
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if (c == '/') {
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switch (peek()) {
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case '/':
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for (;;) {
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c = get();
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if (c <= '\n') {
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return c;
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}
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}
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break;
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case '*':
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get();
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for (;;) {
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switch (get()) {
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case '*':
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if (peek() == '/') {
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get();
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return ' ';
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}
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break;
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case EOF:
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throw 'Error: Unterminated comment.';
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}
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}
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break;
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default:
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return c;
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}
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}
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return c;
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}
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/* action -- do something! What you do is determined by the argument:
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1 Output A. Copy B to A. Get the next B.
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2 Copy B to A. Get the next B. (Delete A).
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3 Get the next B. (Delete B).
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action treats a string as a single character. Wow!
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action recognizes a regular expression if it is preceded by ( or , or =.
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*/
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function action(d) {
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var r = [];
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if (d == 1) {
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r.push(a);
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}
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if (d < 3) {
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a = b;
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if (a == '\'' || a == '"') {
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for (;;) {
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r.push(a);
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a = get();
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if (a == b) {
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break;
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}
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if (a <= '\n') {
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throw 'Error: unterminated string literal: ' + a;
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}
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if (a == '\\') {
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r.push(a);
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a = get();
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}
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}
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}
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}
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b = next();
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if (b == '/' && '(,=:[!&|'.has(a)) {
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r.push(a);
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r.push(b);
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for (;;) {
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a = get();
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if (a == '/') {
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break;
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} else if (a =='\\') {
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r.push(a);
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a = get();
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} else if (a <= '\n') {
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throw 'Error: unterminated Regular Expression literal';
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}
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r.push(a);
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}
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b = next();
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}
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return r.join('');
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}
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/* m -- Copy the input to the output, deleting the characters which are
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insignificant to JavaScript. Comments will be removed. Tabs will be
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replaced with spaces. Carriage returns will be replaced with
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linefeeds.
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Most spaces and linefeeds will be removed.
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*/
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function m() {
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var r = [];
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a = '\n';
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r.push(action(3));
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while (a != EOF) {
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switch (a) {
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case ' ':
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if (isAlphanum(b)) {
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r.push(action(1));
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} else {
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r.push(action(2));
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}
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break;
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case '\n':
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switch (b) {
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case '{':
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case '[':
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case '(':
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case '+':
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case '-':
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r.push(action(1));
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break;
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case ' ':
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r.push(action(3));
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break;
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default:
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if (isAlphanum(b)) {
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r.push(action(1));
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} else {
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if (level == 1 && b != '\n') {
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r.push(action(1));
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} else {
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r.push(action(2));
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}
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}
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}
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break;
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default:
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switch (b) {
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case ' ':
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if (isAlphanum(a)) {
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r.push(action(1));
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break;
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}
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r.push(action(3));
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break;
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case '\n':
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if (level == 1 && a != '\n') {
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r.push(action(1));
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} else {
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switch (a) {
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case '}':
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case ']':
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case ')':
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case '+':
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case '-':
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case '"':
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case '\'':
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if (level == 3) {
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r.push(action(3));
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} else {
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r.push(action(1));
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}
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break;
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default:
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if (isAlphanum(a)) {
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r.push(action(1));
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} else {
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r.push(action(3));
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}
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}
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}
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break;
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default:
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r.push(action(1));
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break;
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}
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}
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}
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return r.join('');
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}
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jsmin.oldSize = input.length;
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ret = m(input);
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jsmin.newSize = ret.length;
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return comment + ret;
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}
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