Merge pull request #13 from DigitallyHappy/use-call-after-resolving

load blade directives using callAfterResolving

src/AssetsServiceProvider.php

@@ -3,6 +3,8 @@
 namespace DigitallyHappy\Assets;
 
 use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Str;
+use Illuminate\View\Compilers\BladeCompiler;
 
 class AssetsServiceProvider extends ServiceProvider
 {
@@ -31,7 +33,46 @@ public function register(): void
         // $loader = \Illuminate\Foundation\AliasLoader::getInstance();
         // $loader->alias('Assets', '\DigitallyHappy\Assets\Facade\Assets');
 
-        require_once __DIR__.'/blade_directives.php';
+        $this->registerBladeDirectives();
+    }
+
+    protected function registerBladeDirectives()
+    {
+        $this->callAfterResolving('blade.compiler', function (BladeCompiler $bladeCompiler) {
+            $bladeCompiler->directive('loadStyleOnce', function ($parameter) {
+                return "<?php Assets::echoCss({$parameter}); ?>";
+            });
+
+            $bladeCompiler->directive('loadScriptOnce', function ($parameter) {
+                return "<?php Assets::echoJs({$parameter}); ?>";
+            });
+
+            $bladeCompiler->directive('loadOnce', function ($parameter) {
+                // determine if it's a CSS or JS file
+                $cleanParameter = Str::of($parameter)->trim("'")->trim('"')->trim('`');
+                $filePath = Str::of($cleanParameter)->before('?')->before('#');
+
+                // mey be useful to get the second parameter
+                // if (Str::contains($parameter, ',')) {
+                //     $secondParameter = Str::of($parameter)->after(',')->trim(' ');
+                // }
+
+                if (substr($filePath, -3) == '.js') {
+                    return "<?php Assets::echoJs({$parameter}); ?>";
+                }
+
+                if (substr($filePath, -4) == '.css') {
+                    return "<?php Assets::echoCss({$parameter}); ?>";
+                }
+
+                // it's a block start
+                return "<?php if(! Assets::isLoaded('".$cleanParameter."')) { Assets::markAsLoaded('".$cleanParameter."');  ?>";
+            });
+
+            $bladeCompiler->directive('endLoadOnce', function () {
+                return '<?php } ?>';
+            });
+        });
     }
 
     /**