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<?php
/*
* $Id: 6f6bf6c2e434f2eadc75a0fa5475d11e71df2add $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information please see
* <http://phing.info>.
*/
require_once 'phing/Task.php';
/**
* Task to minify javascript files.
*
* Requires JShrink (https://github.com/tedivm/JShrink) which
* can be installed using composer
*
* @author Frank Kleine <mikey@stubbles.net>
* @version $Id: 6f6bf6c2e434f2eadc75a0fa5475d11e71df2add $
* @package phing.tasks.ext
* @since 2.3.0
*/
class JsMinTask extends Task
{
/**
* the source files
*
* @var FileSet
*/
protected $filesets = array();
/**
* Whether the build should fail, if
* errors occured
*
* @var boolean
*/
protected $failonerror = false;
/**
* Define if the target should use or not a suffix -min
*
* @var boolean
*/
protected $suffix = '-min';
/**
* directory to put minified javascript files into
*
* @var string
*/
protected $targetDir = "";
/**
* Nested adder, adds a set of files (nested fileset attribute).
*
* @return void
*/
public function addFileSet(FileSet $fs) {
$this->filesets[] = $fs;
}
/**
* Whether the build should fail, if an error occured.
*
* @param boolean $value
*/
public function setFailonerror($value)
{
$this->failonerror = $value;
}
/**
* Define if the task should or not use a suffix (-min is the default)
*
* @param string $value
*/
public function setSuffix($value)
{
$this->suffix = $value;
}
/**
* sets the directory where minified javascript files should be put inot
*
* @param string $targetDir
*/
public function setTargetDir($targetDir)
{
$this->targetDir = $targetDir;
}
/**
* The init method: Do init steps.
*/
public function init()
{
return true;
}
/**
* The main entry point method.
*/
public function main()
{
// if composer autoloader is not yet loaded, load it here
@require_once 'vendor/autoload.php';
if (! class_exists('\\JShrink\\Minifier')) {
throw new BuildException(
'JsMinTask depends on JShrink being installed and on include_path.',
$this->getLocation()
);
}
if (version_compare(PHP_VERSION, '5.3.0') < 0) {
throw new BuildException('JsMinTask requires PHP 5.3+');
}
if (empty($this->targetDir)) {
throw new BuildException('Attribute "targetDir" is required');
}
foreach ($this->filesets as $fs) {
try {
$this->processFileSet($fs);
} catch (BuildException $be) {
// directory doesn't exist or is not readable
if ($this->failonerror) {
throw $be;
} else {
$this->log($be->getMessage(), $this->quiet ? Project::MSG_VERBOSE : Project::MSG_WARN);
}
}
}
}
protected function processFileSet(FileSet $fs)
{
$files = $fs->getDirectoryScanner($this->project)->getIncludedFiles();
$fullPath = realpath($fs->getDir($this->project));
foreach ($files as $file) {
$this->log('Minifying file ' . $file);
try {
$target = $this->targetDir . '/' . str_replace($fullPath, '', str_replace('.js', $this->suffix . '.js', $file));
if (file_exists(dirname($target)) === false) {
mkdir(dirname($target), 0777 - umask(), true);
}
$contents = file_get_contents($fullPath . '/' . $file);
// nasty hack to not trip PHP 5.2 parser
$minified = forward_static_call(array('\\JShrink\\Minifier', 'minify'), $contents);
file_put_contents($target, $minified);
} catch (Exception $jsme) {
$this->log("Could not minify file $file: " . $jsme->getMessage(), Project::MSG_ERR);
}
}
}
}
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