/**
* {@inheritDoc}
*/
public function getDependencies(AssetTarget $target)
{
$children = [];
foreach ($target->files() as $file) {
$imports = CssUtils::extractImports($file->contents());
if (empty($imports)) {
continue;
}
$ext = $this->_settings['ext'];
$extLength = strlen($ext);
$deps = [];
foreach ($imports as $name) {
if (preg_match('/(.*)\\/\\*\\*\\/\\*$/', $name, $matches)) {
$path = $this->_findFile($matches[1]);
$relPathBegin = mb_strlen($path) - mb_strlen($matches[1]);
$result = [];
$this->_dirToArray($path, $relPathBegin, $result);
$deps = array_merge($deps, $result);
continue;
}
$pathinfo = pathinfo($name);
$nameAlt = '';
if (substr($pathinfo['basename'], 0, 1) !== '_') {
$name = $pathinfo['dirname'] . '/_' . $pathinfo['basename'];
$nameAlt = $pathinfo['dirname'] . '/' . $pathinfo['basename'];
}
if ($ext !== substr($name, -$extLength)) {
$name .= $ext;
$nameAlt .= $ext;
}
$deps[] = $name;
if ($nameAlt !== '') {
$deps[] = $nameAlt;
}
}
foreach ($deps as $import) {
$path = $this->_findFile($import);
try {
$file = new Local($path);
$newTarget = new AssetTarget('phony.css', [$file]);
$children[] = $file;
} catch (\Exception $e) {
// Do nothing, we just skip missing files.
// sometimes these are things like compass or bourbon
// internals.
$newTarget = false;
}
// Only recurse through non-css imports as css files are not
// inlined by less/sass.
if ($newTarget && $ext === substr($import, -$extLength)) {
$children = array_merge($children, $this->getDependencies($newTarget));
}
}
}
return $children;
}
public function testExtractImports()
{
$css = <<<CSS
@import 'first.css';
@import 'second.css';
@import "third.css";
@import '../../relative-path.css';
@import "http://example.com/dir/absolute-path.css";
CSS;
$result = CssUtils::extractImports($css);
$this->assertCount(5, $result);
$expected = ['first.css', 'second.css', 'third.css', '../../relative-path.css', 'http://example.com/dir/absolute-path.css'];
$this->assertEquals($expected, $result);
}
/**
* {@inheritDoc}
*/
public function getDependencies(AssetTarget $target)
{
$children = [];
$hasPrefix = property_exists($this, 'optionalDependencyPrefix') && !empty($this->optionalDependencyPrefix);
foreach ($target->files() as $file) {
$imports = CssUtils::extractImports($file->contents());
if (empty($imports)) {
continue;
}
$ext = $this->_settings['ext'];
$extLength = strlen($ext);
$deps = [];
foreach ($imports as $name) {
if ('.css' === substr($name, -4)) {
// skip normal css imports
continue;
}
if ($ext !== substr($name, -$extLength)) {
$name .= $ext;
}
$deps[] = $name;
if ($hasPrefix) {
$deps[] = $this->_prependPrefixToFilename($name);
}
}
foreach ($deps as $import) {
$path = $this->_findFile($import);
try {
$file = new Local($path);
$newTarget = new AssetTarget('phony.css', [$file]);
$children[] = $file;
} catch (\Exception $e) {
// Do nothing, we just skip missing files.
// sometimes these are things like compass or bourbon
// internals.
$newTarget = false;
}
// Only recurse through non-css imports as css files are not
// inlined by less/sass.
if ($newTarget && $ext === substr($import, -$extLength)) {
$children = array_merge($children, $this->getDependencies($newTarget));
}
}
}
return $children;
}
