AlpineJS.module

<?php namespace ProcessWire;

class AlpineJS extends ModuleJS implements Module
{

		public static function getModuleInfo()
		{
				return array(
					'title'   => 'Alpine.js',
					'version' => 005,
					'href'    => 'https://github.com/elabx/AlpineJS',
          'autoload' => true
				);
		}


    public function ready()
    {
        $config = $this->config;
        if( $this->page->template == "admin") {
            $this->wire()->adminTheme->addExtraMarkup('head', "<script src='{$this->getVersionUrl()}' defer></script>");
        }
    }


    // Update when https://github.com/processwire/processwire/pull/210 is merged

		public function url($path)
		{
				$path = $this->path($path);
				$config = $this->wire->config;
				return str_replace($config->paths->root, $config->urls->root, $path);
		}

		/**
		 * Given any file or directory path or url convert it to an absolute path
		 * @param string $path
		 * @return string
		 */
		public function path($path)
		{
				$path = Paths::normalizeSeparators($path);
				$config = $this->wire->config;
				if (strpos($path, $config->paths->root) !== 0) {
						// path is not within pw root
						// so we assume it is a relative path and add the pw root
						$url = ltrim($path, "/");
						$path = $config->paths->root . $url;
				}
				return $path;
		}

		public function getVersionUrl()
		{
				$class = $this->className();
				$versions_path = "{$this->config->paths->$class}alpinejs/";
    
				if (!$this->version) {
						$files = $this->files->find($versions_path, [
							'recursive'      => 1,
							'allowDirs'      => true,
							'returnRelative' => true
						]);
						
						if (count($files)) {
								$last_version_directory = end($files);
								$version_url =  "{$this->config->urls->$class}alpinejs/". $last_version_directory . "alpine.js";
								return $version_url;
						}
				} else {
						return "{$this->config->urls->$class}alpinejs/{$this->version}/alpine.js";
				}
		}

}