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<?php namespace Botble\Theme; use Botble\Base\Facades\Html; use Botble\Theme\Facades\Theme as ThemeFacade; use Exception; use Illuminate\Support\Arr; use Illuminate\Support\Facades\File; use Illuminate\Support\Str; class AssetContainer { protected bool $usePath = false; protected string $path; protected array $assets = []; public function __construct(protected string $name) { } public function originUrl(string\|null $uri): string { return $this->configAssetUrl($uri); } protected function configAssetUrl(string\|null $path): string { return asset($path); } /** * Return asset path with current theme path. / public function url(string\|null $uri): string { // If path is full, so we just return. if (preg_match('#^http\|//:#', $uri)) { return $uri; } $uri = ltrim($uri, '/'); $path = $this->getCurrentPath() . $uri; $filePath = public_path($path); $pathExtension = File::extension($path); if (Str::contains($pathExtension, '?')) { $filePath = str_replace($pathExtension, Str::before($pathExtension, '?'), $filePath); } if (File::exists($filePath)) { return $this->configAssetUrl($path); } return $this->configAssetUrl($this->getInheritPath() . $uri); } /* * Get path from asset. / public function getCurrentPath(): string { $path = Asset::$path; return $this->isInheritTheme() ? $this->getInheritPath() : $path; } public function getInheritPath(): string { $path = Asset::$path; $inheritTheme = ThemeFacade::getInheritTheme(); $theme = ThemeFacade::getThemeName(); if ($inheritTheme === $theme) { return $path; } return str_replace($theme, $inheritTheme, $path); } public function isInheritTheme(): bool { return Asset::$isInheritTheme; } /* * Add an asset to the container. * * The extension of the asset source will be used to determine the type of * asset being registered (CSS or JavaScript). When using a non-standard * extension, the style/script methods may be used to register assets. * * <code> * // Add an asset to the container * Asset::container()->add('jquery', 'js/jquery.js'); * * // Add an asset that has dependencies on other assets * Asset::add('jquery', 'js/jquery.js', 'jquery-ui'); * * // Add an asset that should have attributes applied to its tags * Asset::add('jquery', 'js/jquery.js', null, ['defer']); * </code> / public function add( string $name, string\|array $source, array $dependencies = [], array $attributes = [], string\|null $version = null ): self { if (is_array($source)) { foreach ($source as $path) { $name = $name . '-' . md5($path); $this->add($name, $path, $dependencies, $attributes); } return $this; } $type = File::extension($source) == 'css' ? 'style' : 'script'; // Remove unnecessary slashes from internal path. if (! str_starts_with($source, '//')) { $source = ltrim($source, '/'); } if ($version) { $source .= '?v=' . $version; } return $this->$type($name, $source, $dependencies, $attributes); } /* * Add an asset to the container using the path. * * The same `add` but usePath() before to add. * * <code> * // Add an asset to the container * Asset::container()->addUsingPath('jquery', 'js/jquery.js'); * * // Add an asset that has dependencies on other assets * Asset::addUsingPath('jquery', 'js/jquery.js', 'jquery-ui'); * * // Add an asset that should have attributes applied to its tags * Asset::addUsingPath('jquery', 'js/jquery.js', null, ['defer']); * </code> / public function addUsingPath( string $name, string\|array $source, array $dependencies = [], array $attributes = [], string\|null $version = null ): self { return $this ->usePath() ->add($name, $source, $dependencies, $attributes, $version); } public function remove(string\|array $name): self { if (! is_array($name)) { $name = [$name]; } foreach ($name as $item) { foreach ($this->assets as $typeKey => $type) { foreach ($type as $assetKey => $asset) { if ($assetKey == $item) { Arr::forget($this->assets, $typeKey . '.' . $assetKey); break; } } } } return $this; } public function get(string $name): array { foreach ($this->assets as $type) { foreach ($type as $assetKey => $asset) { if ($assetKey == $name) { return $asset; } } } return []; } /* * Write a script to the container. / public function writeScript(string $name, string $source, array $dependencies = [], array $attributes = []): self { $source = '<script' . ($attributes ? Html::attributes($attributes) : '') . '>' . $source . '</script>'; return $this->write($name, 'script', $source, $dependencies); } /* * Write a content to the container. / protected function write(string $name, string $type, string $source, array $dependencies = []): self { $types = [ 'script' => 'script', 'style' => 'style', 'js' => 'script', 'css' => 'style', ]; if (array_key_exists($type, $types)) { $type = $types[$type]; $this->register($type, $name, $source, $dependencies, []); } return $this; } /* * Add an asset to the array of registered assets. / protected function register( string $type, string $name, string\|array $source, array $dependencies, array $attributes ): void { $this->assets[$type][$name] = compact('source', 'dependencies', 'attributes'); } /* * Write a style to the container. / public function writeStyle(string $name, string $source, array $dependencies = []): self { $source = '<style>' . $source . '</style>'; return $this->write($name, 'style', $source, $dependencies); } /* * Write a content without tag wrapper. / public function writeContent(string $name, string $source, array $dependencies = []): self { return $this->write($name, 'script', $source, $dependencies); } /* * Add a CSS file to the registered assets. / public function style(string $name, string $source, array $dependencies = [], array $attributes = []): self { if (! array_key_exists('media', $attributes)) { $attributes['media'] = 'all'; } // Prepend path to theme. if ($this->isUsePath()) { $source = $this->evaluatePath($this->getCurrentPath() . $source); // Reset using path. $this->usePath(false); } $this->register('style', $name, $source, $dependencies, $attributes); return $this; } /* * Add a CSS file to the registered assets using the path. / public function styleUsingPath(string $name, string $source, array $dependencies = [], array $attributes = []): self { return $this->usePath()->style($name, $source, $dependencies, $attributes); } /* * Check using theme path. / public function isUsePath(): bool { return $this->usePath; } /* * Evaluate path to current theme or force use theme. / protected function evaluatePath(string $source): string { $currentTheme = $this->isInheritTheme() ? ThemeFacade::getInheritTheme() : ThemeFacade::getThemeName(); // Switch path to another theme. if (! is_bool($this->usePath) && ThemeFacade::exists($this->usePath)) { $source = str_replace($currentTheme, $this->usePath, $source); } $publicThemeName = $this->isInheritTheme() ? $currentTheme : ThemeFacade::getPublicThemeName(); if ($publicThemeName != $currentTheme) { $source = str_replace($currentTheme, $publicThemeName, $source); } return $source; } /* * Force to use a theme path. / public function usePath(bool $use = true): self { $this->usePath = $use; return $this; } /* * Add a JavaScript file to the registered assets. / public function script(string $name, string $source, array $dependencies = [], array $attributes = []): self { // Prepend path to theme. if ($this->isUsePath()) { $source = $this->evaluatePath($this->getCurrentPath() . $source); // Reset using path. $this->usePath(false); } if ($name === 'jquery') { $attributes['data-pagespeed-no-defer'] = true; } $this->register('script', $name, $source, $dependencies, $attributes); return $this; } /* * Add a JavaScript file to the registered assets using the path. / public function scriptUsingPath( string $name, string $source, array $dependencies = [], array $attributes = [] ): self { return $this->usePath()->script($name, $source, $dependencies, $attributes); } /* * Get the links to all the registered CSS assets. / public function styles(): string { return $this->group('style'); } /* * Get all the registered assets for a given type / group. / protected function group(string $group): string { if (! isset($this->assets[$group]) \|\| count($this->assets[$group]) == 0) { return ''; } $assets = ''; foreach (array_keys($this->arrange($this->assets[$group])) as $name) { $assets .= $this->asset($group, $name); } return $assets; } /* * Sort and retrieve assets based on their dependencies / protected function arrange(array $assets): array { [$original, $sorted] = [$assets, []]; while (count($assets) > 0) { foreach ($assets as $asset => $value) { $this->evaluateAsset($asset, $value, $original, $sorted, $assets); } } return $sorted; } /* * Evaluate an asset and its dependencies. / protected function evaluateAsset( string $asset, string\|null\|array $value, array $original, array &$sorted, array &$assets ): void { // If the asset has no more dependencies, we can add it to the sorted list // and remove it from the array of assets. Otherwise, we will not verify // the asset's dependencies and determine if they've been sorted. if (count($assets[$asset]['dependencies']) == 0) { $sorted[$asset] = $value; unset($assets[$asset]); return; } foreach ($assets[$asset]['dependencies'] as $key => $dependency) { if (! $this->dependencyIsValid($asset, $dependency, $original, $assets)) { unset($assets[$asset]['dependencies'][$key]); continue; } // If the dependency has not yet been added to the sorted list, we can not // remove it from this asset's array of dependencies. We'll try again on // the next trip through the loop. if (! isset($sorted[$dependency])) { continue; } unset($assets[$asset]['dependencies'][$key]); } } /* * Verify that an asset's dependency is valid. * A dependency is considered valid if it exists, is not a circular reference, and is * not a reference to the owning asset itself. If the dependency doesn't exist, no * error or warning will be given. For the other cases, an exception is thrown. / protected function dependencyIsValid(string $asset, string $dependency, array $original, array $assets): bool { if (! isset($original[$dependency])) { return false; } elseif ($dependency === $asset) { throw new Exception('Asset [' . $asset . '] is dependent on itself.'); } elseif (isset($assets[$dependency]) && in_array($asset, $assets[$dependency]['dependencies'])) { throw new Exception('Assets [' . $asset . '] and [' . $dependency . '] have a circular dependency.'); } return true; } /* * Get the HTML link to a registered asset. / protected function asset(string $group, string $name): string\|null { if (! isset($this->assets[$group][$name])) { return ''; } $asset = $this->assets[$group][$name]; // If the bundle source is not a complete URL, we will go ahead and prepend // the bundle's asset path to the source provided with the asset. This will // ensure that we attach the correct path to the asset. if (filter_var($asset['source'], FILTER_VALIDATE_URL) === false) { $asset['source'] = $this->path($asset['source']); } // If source is not a path to asset, render without wrap a HTML. if (str_contains($asset['source'], '<')) { return $asset['source']; } // This line fixing config path. $asset['source'] = $this->configAssetUrl($asset['source']); return $this->html($group, $asset['source'], $asset['attributes']); } /* * Returns the full-path for an asset. / public function path(string $source): string { return $source; } /* * Render asset as HTML. / public function html(string $group, string $source, array $attributes): string\|null { switch ($group) { case 'script': $attributes['src'] = $source; return '<script' . $this->attributes($attributes) . '></script>' . PHP_EOL; case 'style': $defaults = ['media' => 'all', 'type' => 'text/css', 'rel' => 'stylesheet']; $attributes = $attributes + $defaults; $attributes['href'] = $source; return '<link' . $this->attributes($attributes) . '>' . PHP_EOL; } return null; } /* * Build an HTML attribute string from an array. / public function attributes(array $attributes): string { $html = []; // For numeric keys we will assume that the key and the value are the same // as this will convert HTML attributes such as "required" to a correct // form like required="required" instead of using incorrect numeric. foreach ($attributes as $key => $value) { $element = $this->attributeElement($key, $value); if (! empty($element)) { $html[] = $element; } } return count($html) > 0 ? ' ' . implode(' ', $html) : ''; } /* * Build a single attribute element. / protected function attributeElement(string $key, string\|null $value): string\|null { if (is_numeric($key)) { return $value; } if (! empty($value)) { return $key . '="' . e($value) . '"'; } return null; } public function getAssets(string $group): array { if (! isset($this->assets[$group])) { return []; } $assets = []; foreach (array_keys($this->arrange($this->assets[$group])) as $name) { $assets[] = $this->assetUrl($group, $name); } return $assets; } public function getAllAssets(): array { return $this->assets; } protected function assetUrl(string $group, string $name): string { if (! isset($this->assets[$group][$name])) { return ''; } $asset = $this->assets[$group][$name]; // If the bundle source is not a complete URL, we will go ahead and prepend // the bundle's asset path to the source provided with the asset. This will // ensure that we attach the correct path to the asset. if (filter_var($asset['source'], FILTER_VALIDATE_URL) === false) { $asset['source'] = $this->path($asset['source']); } // If source is not a path to asset, render without wrap an HTML. if (str_contains($asset['source'], '<')) { return $asset['source']; } return $this->configAssetUrl($asset['source']); } /* * Get the links to all the registered JavaScript assets. */ public function scripts(): string { return $this->group('script'); } }

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