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Add sourcemap support #13

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Add sourcemap support #13

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571e99c
add sourcemap support
Nov 9, 2017
fac156b
add sourcemap support
Nov 9, 2017
8f397ad
use the latest version of autoprefixer. Update wrapper to make a "rea…
Nov 10, 2017
0536461
fix wrapper
Nov 10, 2017
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74 changes: 45 additions & 29 deletions lib/Autoprefixer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -11,15 +11,21 @@ class Autoprefixer
* @var array
*/
private $browsers = array();

/**
* @param mixed $browsers
* @var bool
*/
private $sourceMap;

/**
* @param mixed $browsers
* @param bool $sourceMap
*/
public function __construct($browsers = null)
public function __construct($browsers = null, $sourceMap = false)
{
if (!is_null($browsers)) {
$this->setBrowsers($browsers);
}
$this->sourceMap = $sourceMap;
}

/**
Expand All @@ -36,19 +42,19 @@ public function setBrowsers($browsers)
}

/**
* @param mixed $css
* @param mixed $browsers
* @throws RuntimeException If node runtime unavailable
* @throws AutoprefixerException
* @return array
* @param mixed $css
* @param mixed $browsers
* @param null $sourceMap
* @return array If node runtime unavailable
* @throws AutoprefixerException
*/
public function compile($css, $browsers = null)
public function compile($css, $browsers = null, $sourceMap = null)
{
if ($return_string = !is_array($css)) {
$css = array($css);
}

$nodejs = proc_open('node ' . __DIR__ . '/vendor/wrap.js',
$nodejs = proc_open('node ' . __DIR__ . '/wrapper/wrapper.js',
array(array('pipe', 'r'), array('pipe', 'w')),
$pipes
);
Expand All @@ -59,7 +65,10 @@ public function compile($css, $browsers = null)
$this->fwrite_stream($pipes[0],
json_encode(array(
'css' => $css,
'browsers' => !is_null($browsers) ? $browsers : $this->browsers)
'options' => array(
'browsers' => !is_null($browsers) ? $browsers : $this->browsers),
'map' => $sourceMap === null ? $this->sourceMap : $sourceMap
)
));
fclose($pipes[0]);

Expand All @@ -71,40 +80,47 @@ public function compile($css, $browsers = null)

$error_messages = '';
foreach ($output as $key => &$value) {
if (preg_match('/^Error:\s*/i', $value)) {
$value = preg_replace('/^Error:\s*/i', '', $value);
$error_messages .= "In css[$key]: $value \n";
if ($value['error'] !== false) {
$error_messages .= "In css[$key]: {$value['error']} \n";
}
}

if (strlen($error_messages) > 0) {
throw new AutoprefixerException($error_messages);
}

return $return_string ? $output[0] : $output;
return $return_string ? $output[0]['css'] : array_map(function($r) {return $r['css'];}, $output);
}

/**
* Download autoprefixer updates.
* @return bool True if updated.
* @return bool True if updated.
* @throws AutoprefixerException
*/
public function update()
{
$update_url = 'https://raw.github.com/ai/autoprefixer-rails/master/vendor/autoprefixer.js';
$local_path = __DIR__ . '/vendor/autoprefixer.js';
$new = file_get_contents($update_url);
$old = file_get_contents($local_path);

if (md5($new) == md5($old)) return false;

file_put_contents($local_path, $new);
return true;
$currentVersion = $this->getAutoprefixerVersion();
$cwd = getcwd();
chdir(__DIR__.'/wrapper');
$output = [];
$result = 0;
exec('npm -q update 2>&1', $output, $result);
chdir($cwd);
if($result) {
throw new AutoprefixerException("Error running npm update: returned $result\n".implode("\n", $output));
}
return $this->getAutoprefixerVersion() != $currentVersion;
}

public function getAutoprefixerVersion() {
$package = json_decode(file_get_contents(__DIR__ . '/wrapper/node_modules/autoprefixer/package.json'), true);
return $package['version'];
}

/**
* @param object $fp php://stdin
* @param string $string
* @param int $buflen
* @param resource $fp php://stdin
* @param string $string
* @param int $buflen
* @return string
*/
private function fwrite_stream($fp, $string, $buflen = 4096)
Expand Down