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<?php |
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// Set the directory to monitor |
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namespace Lepton; |
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use ScssPhp\ScssPhp\{Compiler, OutputStyle}; |
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class LeptonServer |
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{ |
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private array $fileHashes = array(); |
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private array $dependancyTree = array(); |
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private bool $compile_sass = false; |
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private $webServerProcess; |
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public function __construct(public readonly string $sass_directory, public readonly string $css_directory, private readonly string $application) |
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{ |
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echo "Running...".PHP_EOL; |
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if(is_dir($this->sass_directory)) { |
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// Clean output folder |
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array_map('unlink', array_filter((array) glob($this->css_directory."*"))); |
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$this->compile_sass = true; |
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echo "\e[32mCompiling assets...\e[39m".PHP_EOL; |
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$this->updateMainFiles(); |
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// Compile the files |
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foreach($this->fileHashes as $file => $hash) { |
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$file = realpath($file); |
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$fileDependancies = $this->compileFile($file); |
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$this->fileHashes[$file] = filemtime($file); |
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$this->dependancyTree[$file] = $fileDependancies; |
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foreach($fileDependancies as $dep) { |
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$this->fileHashes[realpath($dep)] = filemtime($dep); |
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} |
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} |
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echo "Dependancies tree built.".PHP_EOL.PHP_EOL; |
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// Compute md5 hash for files |
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foreach($this->dependancyTree as $file => $where) { |
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$fileHashes[$file] = filemtime($file); |
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} |
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} else { |
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echo "\e[32mNo _sass directory found\e[39m".PHP_EOL; |
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} |
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} |
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public function run() |
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{ |
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declare(ticks=1); // Enable tick processing for signal handling |
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pcntl_signal(SIGINT, array($this, "terminate")); |
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echo "\e[32mWatching in ".$this->sass_directory."\e[39m".PHP_EOL.PHP_EOL; |
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echo "\e[33mStarting PHP WebServer (ONLY FOR DEVELOPMENT) at http://127.0.0.1:5555\e[39m".PHP_EOL.PHP_EOL; |
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//Start the PHP built-in web server |
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$command = sprintf('php -S localhost:5555 -t %s %s/webserver.php', $this->application, $this->application); |
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$this->webServerProcess = proc_open($command, [STDIN, STDOUT, STDERR], $pipes); |
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while(true) { |
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if($this->compile_sass) { |
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$this->cleanDeletedFiles(); |
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$this->updateMainFiles(); |
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foreach($this->fileHashes as $file => $hash) { |
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$file = realpath($file); |
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if(file_exists($file)) { |
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$newHash = filemtime($file); |
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if($newHash != $hash) { |
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echo "\e[93mFile $file modified!\e[39m".PHP_EOL; |
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$this->fileHashes[$file] = $newHash; |
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// if it's a main file |
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if(key_exists($file, $this->dependancyTree)) { |
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$this->dependancyTree[$file] = $this->compileFile($file); |
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} else { // if it's an included file |
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foreach($this->dependancyTree as $main => $dependancies) { |
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if(in_array($file, $dependancies)) { |
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$this->dependancyTree[$main] = $this->compileFile($main); |
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} |
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} |
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} |
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} |
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} else { |
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unset($this->fileHashes[$file]); |
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} |
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} |
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} |
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sleep(1); |
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} |
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} |
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public function terminate() |
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{ |
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echo "\n\n\e[31mTERMINATING...\e[39m\n"; |
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proc_terminate($this->webServerProcess); |
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exit(130); |
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} |
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public function cleanDeletedFiles() |
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{ |
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foreach($this->fileHashes as $file => $hash) { |
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if(!file_exists($file)) { |
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unset($fileHashes[$file]); |
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foreach($this->dependancyTree as $main => $dependancies) { |
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if($main == $file) { |
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unset($this->dependancyTree[$main]); |
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} |
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if(in_array($file, $dependancies)) { |
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$key = array_search($file, $dependancies); |
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unset($this->dependancyTree[$main][$key]); |
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} |
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} |
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} |
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} |
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} |
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public function compileScss($inputFile) |
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{ |
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$compiler = new Compiler(); |
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$compiler->setImportPaths($this->sass_directory); |
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$compiler->setOutputStyle(OutputStyle::COMPRESSED); |
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if (is_file($inputFile)) { |
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// Set the path to the output CSS file |
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$outputFile = preg_replace('/(.*)\.(sass|scss)$/', '$1.css', basename($inputFile)); |
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$outputFile = $this->css_directory.$outputFile; |
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// Compile the SCSS code into CSS |
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try { |
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$result = $compiler->compileString(file_get_contents($inputFile)); |
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$outputdir = dirname($outputFile); |
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// Create the directories recursively |
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if (!is_dir($outputdir)) { |
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mkdir($outputdir, 0755, true); |
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} |
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file_put_contents($outputFile, $result->getCss()); |
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return $result->getIncludedFiles(); |
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} catch (\Exception $e) { |
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print_r($e); |
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syslog(LOG_ERR, 'scssphp: Unable to compile content'); |
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} |
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} else { |
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echo "Invalid file".PHP_EOL; |
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} |
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} |
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public function compileFile($file) |
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{ |
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$fileNameArray = explode("/", $file); |
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$fileName = end($fileNameArray); |
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echo "\e[39m\t==> Compiling $fileName... \e[39m"; |
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$included = $this->compileScss($file); |
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echo "\e[32mDone!\e[39m".PHP_EOL; |
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return $included; |
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} |
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public function updateMainFiles() |
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{ |
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$files = glob($this->sass_directory . '/*'); // Get all files in the directory |
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foreach ($files as $file) { |
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$file = realpath($file); |
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$pattern = '/^\/.+\/[^_]*[.](scss|sass)/'; // Specify the regex pattern for file names |
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if(preg_match($pattern, $file)) { |
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if(! array_key_exists($file, $this->fileHashes)) { |
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$this->fileHashes[$file] = 0; |
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} |
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} |
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} |
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} |
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} |
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ai-sf /
lepton
Loading history...
In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.