Implementation of @scopedslot & @endscopedslot directives

src/BladeComponentsScopedSlotsServiceProvider.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace KonradKalemba\BladeComponentsScopedSlots;
+
+use Illuminate\Support\Facades\Blade;
+use Illuminate\Support\ServiceProvider;
+
+class BladeComponentsScopedSlotsServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        Blade::directive('scopedslot', function ($expression) {
+            // Split the expression by `top-level` commas (not in parentheses)
+            $directiveArguments = preg_split("/,(?![^\(\(]*[\)\)])/", $expression);
+            $directiveArguments = array_map('trim', $directiveArguments);
+
+            // Ensure that the directive's arguments array has 3 elements - otherwise fill with `null`
+            $directiveArguments = array_pad($directiveArguments, 3, null);
+
+            // Extract values from the directive's arguments array
+            [$name, $functionArguments, $functionUses] = $directiveArguments;
+
+            // Connect the arguments to form a correct function declaration
+            if ($functionArguments) $functionArguments = "function {$functionArguments}";
+            if ($functionUses) $functionUses = " use {$functionUses}";
+
+            return "<?php \$__env->slot({$name}, {$functionArguments}{$functionUses} { ?>"; 
+        });
+
+        Blade::directive('endscopedslot', function () {
+            return "<?php }); ?>";
+        });
+    }
+}