59 lines
2.0 KiB
PHP
59 lines
2.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Providers;
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use Illuminate\Support\{Arr, ServiceProvider};
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use Illuminate\Support\Facades\Blade;
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final class ScopeServiceProvider extends ServiceProvider
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{
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/**
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* Bootstrap services.
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*/
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public function boot(): void
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{
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$this->registerScopeDirective();
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}
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public function registerScopeDirective(): void
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{
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/**
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* All credits from this blade directive goes to Konrad Kalemba.
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* Just copied and modified for my very specific use case.
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*
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* https://github.com/konradkalemba/blade-components-scoped-slots
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*/
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Blade::directive('scope', function ($expression) {
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// Split the expression by `top-level` commas (not in parentheses)
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$directiveArguments = preg_split("/,(?![^\(\(]*[\)\)])/", $expression);
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$directiveArguments = array_map('trim', $directiveArguments);
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// PHP 8.5 Safe Unpacking (Prevents "Undefined array key" crashes)
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$name = $directiveArguments[0] ?? "''";
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$functionArguments = $directiveArguments[1] ?? '';
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// Build function "uses" to inject extra external variables
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$uses = Arr::except(array_flip($directiveArguments), [$name, $functionArguments]);
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$uses = array_flip($uses);
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$uses[] = '$__env';
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$uses[] = '$__bladeCompiler';
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$uses = implode(',', $uses);
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/**
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* Slot names can`t contains dot , eg: `user.city`.
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* So we convert `user.city` to `user___city`
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*
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* Later, on component it will be replaced back.
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*/
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$name = str_replace('.', '___', $name);
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// PHP 8.5 Safe Loop Check
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return "<?php \$__bladeCompiler = \$__bladeCompiler ?? null; \$__env->slot({$name}, function({$functionArguments}) use ({$uses}) { \$loop = !empty(\$__env->getLoopStack()) ? (object) \$__env->getLoopStack()[0] : null; ?>";
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});
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Blade::directive('endscope', fn () => '<?php }); ?>');
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}
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}
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