Feat: Adds multi currency support (#88)

app/Providers/AppServiceProvider.php

@@ -5,7 +5,10 @@ declare(strict_types=1);
 namespace App\Providers;
 
 use Illuminate\Http\Resources\Json\JsonResource;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Number;
 use Illuminate\Support\ServiceProvider;
+use NumberFormatter;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -26,5 +29,28 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
         JsonResource::withoutWrapping();
+
+        Arr::macro('skipEmptyValues', function (array $array) {
+
+            return Arr::mapWithKeys($array, function (mixed $value, mixed $key) {
+                $result = [];
+                if (! empty($value)) {
+                    $result[$key] = $value;
+                }
+
+                return $result;
+            });
+        });
+
+        Number::macro('currencySymbol', function (?string $currency = null, ?string $locale = null) {
+
+            $currency = $currency ?? Number::defaultCurrency();
+
+            $locale = $locale ?? Number::defaultLocale();
+
+            $formatter = new NumberFormatter($locale."@currency=$currency", NumberFormatter::CURRENCY);
+
+            return $formatter->getSymbol(NumberFormatter::CURRENCY_SYMBOL);
+        });
     }
 }