Viewing file:  MinificationAnalyzer.php (3.16 KB) -rw-r--r--
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<?php
namespace Enlightn\Enlightn\Analyzers\Performance;
use Enlightn\Enlightn\Filesystem;
use Illuminate\Support\Str;
use Symfony\Component\Finder\Finder;
class MinificationAnalyzer extends PerformanceAnalyzer
{
/**
* The title describing the analyzer.
*
* @var string|null
*/
public $title = 'Your application minifies assets in production.';
/**
* The severity of the analyzer.
*
* @var string|null
*/
public $severity = self::SEVERITY_MAJOR;
/**
* The time to fix in minutes.
*
* @var int|null
*/
public $timeToFix = 5;
/**
* A list of un-minified assets served by the application.
*
* @var string
*/
protected $unMinifiedAssets;
/**
* Determine whether the analyzer should be run in CI mode.
*
* @var bool
*/
public static $runInCI = false;
/**
* Get the error message describing the analyzer insights.
*
* @return string
*/
public function errorMessage()
{
return "Your application does not minify all assets (js, css) while in a non-local environment. "
."Minification of assets can provide a significant performance boost for your application "
."and is recommended for production. Your un-minified assets include: {$this->unMinifiedAssets}.";
}
/**
* Execute the analyzer.
*
* @param \Enlightn\Enlightn\Filesystem $files
* @return void
*/
public function handle(Filesystem $files)
{
if (config('app.env') === 'local') {
return;
}
$this->unMinifiedAssets = collect($this->getFilesThatShouldBeMinified())->map(function ($fileInfo) {
return $fileInfo->getRealPath();
})->filter(function ($path) use ($files) {
// We assume here that any file with more than 10 lines is not minified. That should
// take care of the copyright notice (if any), sourcemap URL, etc. Case in point:
// Bootstrap minified css/js actually have 7 lines.
return $files->lines($path)->count() > 10;
})->map(function ($path) {
return Str::contains($path, base_path())
? ('['.trim(Str::after($path, base_path()), '/').']') : '['.$path.']';
})->join(', ', ' and ');
if (! empty($this->unMinifiedAssets)) {
$this->markFailed();
}
}
/**
* @return \Symfony\Component\Finder\Finder
*/
protected function getFilesThatShouldBeMinified()
{
// We assume that all assets are in the public directory. However, this can be configured
// using the "build_path" configuration option.
return (new Finder)->in(config('enlightn.build_path', public_path()))->name([
// This would automatically include files named like *.min.js as well.
'*.js', '*.css',
])->files();
}
/**
* Determine whether to skip the analyzer.
*
* @return bool
*/
public function skip()
{
// Skip the analyzer if there are no files to be minified (e.g. API only apps).
return ($this->getFilesThatShouldBeMinified()->count() == 0);
}
}
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