added toAd function

converts bs date to ad date and return carbon date

src/Facades/NepaliDateConverter.php

@@ -6,10 +6,12 @@
 
 /**
  * @method static toBs()
+ * @method static toAd()
  * @method static toBsDate()
  * @method static toBsFormattedDate()
  * @method static getAdDateByBsDate()
  * @method static getBsDateByAdDate()
+ * @see \Proshore\NepaliDate\NepaliDateConverter
  */
 class NepaliDateConverter extends Facade
 {

src/NepaliDateConverter.php

@@ -80,4 +80,20 @@ public function getBsDateByAdDate(int $adYear, int $adMonth, int $adDate) : arra
         return $this->converter->getBsDateByAdDate($adYear, $adMonth, $adDate);
     }
 
+    /**
+     * @param int $bsYear
+     * @param int $bsMonth
+     * @param int $bsDay
+     * @return Carbon|null
+     */
+    public function toAd(int $bsYear, int $bsMonth, int $bsDay): Carbon|null
+    {
+        $date = $this->converter->getAdDateByBsDate($bsYear, $bsMonth, $bsDay);
+        if(! $date) {
+            return null;
+        }
+
+        return Carbon::createFromDate($date['year'], $date['month'], $date['date']);
+    }
+
 }

tests/Unit/NepaliDateConverterTest.php

@@ -25,3 +25,8 @@
     $nepaliDate = Carbon::now()->addYears(100)->toBs();
     expect($nepaliDate)->toBeNull();
 });
+
+test("can_get_ad_carbon_date_from_nepali_date", function () {
+    $date = \Proshore\NepaliDate\Facades\NepaliDateConverter::toAd(2080, 01, 06);
+    expect($date)->toBeInstanceOf(Carbon::class);
+});