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added sourcemaps generation while WP_DEBUG is true #107

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added sourcemaps generation while WP_DEBUG is true #107

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38 changes: 38 additions & 0 deletions lib/Compiler.class.php
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,24 @@
*/
class WPLessCompiler extends lessc
{

private $compilerOpts = [
'sourceMap' => false,// whether to output a source map
'sourceMapBasepath' => null,
'sourceMapWriteTo' => null,
'sourceMapURL' => null,
];

protected function setOptions(array $opts){
$this->compilerOpts = $opts;
}

protected function getOptions(){
$lesscOptions = parent::getOptions();
$options = array_merge($lesscOptions, $this->compilerOpts);
return $options;
}

/**
* Instantiate a compiler
*
Expand Down Expand Up @@ -71,6 +89,17 @@ public function cacheStylesheet(WPLessStylesheet $stylesheet, $force = false)
$compiled_cache = get_transient($cache_name);

if( !$force && !file_exists( $stylesheet->getTargetPath() ) ) $force = true;
wp_mkdir_p(dirname($stylesheet->getTargetPath()));

if(defined('WP_DEBUG') && WP_DEBUG) {
$this->setOptions([
'sourceMap' => true,// whether to output a source map
'sourceMapBasepath' => get_template_directory(),
'sourceMapRootpath' => get_template_directory_uri(),
'sourceMapWriteTo' => $stylesheet->getTargetMapPath(),
'sourceMapURL' => $stylesheet->getTargetMapUri(),
]);
}

$compiled_cache = $this->cachedCompile($compiled_cache ? $compiled_cache : $stylesheet->getSourcePath(), $force);

Expand Down Expand Up @@ -104,6 +133,15 @@ public function saveStylesheet(WPLessStylesheet $stylesheet, $css = null)

if ($css === null)
{
if(defined('WP_DEBUG') && WP_DEBUG) {
$this->setOptions([
'sourceMap' => true,// whether to output a source map
'sourceMapBasepath' => get_template_directory(),
'sourceMapRootpath' => get_template_directory_uri(),
'sourceMapWriteTo' => $stylesheet->getTargetMapPath(),
'sourceMapURL' => $stylesheet->getTargetMapUri(),
]);
}
$css = $this->compileFile($stylesheet->getSourcePath());
}

Expand Down
23 changes: 18 additions & 5 deletions lib/Stylesheet.class.php
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,9 @@ class WPLessStylesheet
$source_timestamp,
$source_uri,
$target_path,
$target_uri;
$target_map_path,
$target_uri,
$target_map_uri;

public static $upload_dir,
$upload_uri;
Expand Down Expand Up @@ -61,12 +63,12 @@ public function __construct(_WP_Dependency $stylesheet, array $variables = array
* @version 1.0
* @return string
*/
public function computeTargetPath()
public function computeTargetPath($ext = 'css')
{
$target_path = preg_replace('#^'.get_theme_root_uri().'#U', '', $this->stylesheet->src);
$target_path = preg_replace('/.less$/U', '', $target_path);

$target_path .= '-%s.css';
$target_path .= '-%s.'.$ext;

return apply_filters('wp-less_stylesheet_compute_target_path', $target_path);
}
Expand All @@ -83,14 +85,17 @@ public function computeTargetPath()
protected function configurePath()
{
$target_file = $this->computeTargetPath();
$target_map_file = $this->computeTargetPath('map');
// path to local "wp-content" dir does not match URI in multisite.
$wp_content_dir = str_replace(ABSPATH, '', WP_CONTENT_DIR); // get the 'wp-content' part of the path
$lessfile_in_theme = preg_replace ('#^.*?' . DIRECTORY_SEPARATOR . $wp_content_dir . DIRECTORY_SEPARATOR . '(.*)$#', '$1', $this->stylesheet->src, 1); // the part after 'wp-content'
$this->source_path = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . $lessfile_in_theme;
$this->source_uri = $this->stylesheet->src;
$this->target_path = self::$upload_dir.$target_file;
$this->target_uri = self::$upload_uri.$target_file;

$this->target_map_path = self::$upload_dir.$target_map_file;
$this->target_map_uri = self::$upload_uri.$target_map_file;

$this->setSourceTimestamp(filemtime($this->source_path));
}

Expand Down Expand Up @@ -161,7 +166,11 @@ public function getTargetPath()
{
return sprintf($this->target_path, $this->signature);
}


public function getTargetMapPath()
{
return sprintf($this->target_map_path, $this->signature);
}
/**
* Returns target URI
*
Expand All @@ -177,6 +186,10 @@ public function getTargetUri()
return sprintf($this->target_uri, $this->signature);
}

public function getTargetMapUri()
{
return sprintf($this->target_map_uri, $this->signature);
}
/**
* Tells if compilation is needed
*
Expand Down