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<?php |
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namespace Spatie\BladeJavaScript; |
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use Illuminate\Config\Repository; |
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use Illuminate\Contracts\Support\Arrayable; |
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use Illuminate\Support\Collection; |
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use Spatie\BladeJavaScript\Exceptions\Untransformable; |
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use Spatie\BladeJavaScript\Transformers\ArrayTransformer; |
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use Spatie\BladeJavaScript\Transformers\BooleanTransformer; |
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use Spatie\BladeJavaScript\Transformers\NullTransformer; |
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use Spatie\BladeJavaScript\Transformers\NumericTransformer; |
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use Spatie\BladeJavaScript\Transformers\ObjectTransformer; |
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use Spatie\BladeJavaScript\Transformers\StringTransformer; |
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use Spatie\BladeJavaScript\Transformers\Transformer; |
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class Renderer |
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{ |
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protected $namespace = 'window'; |
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protected $transformers = [ |
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ArrayTransformer::class, |
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BooleanTransformer::class, |
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NullTransformer::class, |
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NumericTransformer::class, |
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ObjectTransformer::class, |
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StringTransformer::class, |
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]; |
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public function __construct(Repository $config) |
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{ |
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$this->namespace = $config->get('laravel-blade-javascript.namespace', 'window'); |
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} |
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/** |
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* @param array ...$arguments |
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* |
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* @return string |
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*/ |
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public function render(...$arguments): string |
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{ |
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$variables = $this->normalizeArguments($arguments); |
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return '<script>'.$this->buildJavaScriptSyntax($variables).'</script>'; |
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} |
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/** |
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* @param $arguments |
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* |
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* @return mixed |
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*/ |
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protected function normalizeArguments(array $arguments) |
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{ |
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if (count($arguments) === 2) { |
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return [$arguments[0] => $arguments[1]]; |
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} |
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if ($arguments[0] instanceof Arrayable) { |
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return $arguments[0]->toArray(); |
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} |
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if (!is_array($arguments[0])) { |
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$arguments[0] = [$arguments[0]]; |
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} |
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return $arguments[0]; |
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} |
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public function buildJavaScriptSyntax(array $variables): string |
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{ |
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return collect($variables) |
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->map(function ($value, $key) { |
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return $this->buildVariableInitialization($key, $value); |
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}) |
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->reduce(function ($javaScriptSyntax, $variableInitialization) { |
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return $javaScriptSyntax.$variableInitialization; |
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}, $this->buildNamespaceDeclaration()); |
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} |
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protected function buildNamespaceDeclaration(): string |
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{ |
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if (empty($this->namespace)) { |
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return ''; |
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} |
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return "window['{$this->namespace}'] = window['{$this->namespace}'] || {};"; |
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} |
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/** |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return string |
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*/ |
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protected function buildVariableInitialization(string $key, $value) |
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{ |
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$variableName = $this->namespace ? "window['{$this->namespace}']['{$key}']" : "window['{$key}']"; |
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return "{$variableName} = {$this->optimizeValueForJavaScript($value)};"; |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return string |
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* |
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* @throws \Spatie\BladeJavaScript\Exceptions\Untransformable |
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*/ |
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protected function optimizeValueForJavaScript($value): string |
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{ |
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return $this->getTransformer($value)->transform($value); |
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} |
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public function getAllTransformers(): Collection |
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{ |
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return collect($this->transformers)->map(function (string $className): Transformer { |
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return new $className(); |
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}); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return \Spatie\BladeJavaScript\Transformers\Transformer |
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* |
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* @throws \Spatie\BladeJavaScript\Exceptions\Untransformable |
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*/ |
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public function getTransformer($value): Transformer |
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{ |
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foreach($this->getAllTransformers() as $transformer) |
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{ |
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if ($transformer->canTransform($value)) { |
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return $transformer; |
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}; |
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} |
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throw Untransformable::noTransformerFound($value); |
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} |
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} |
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spatie /
laravel-blade-javascript
