Add Panama holidays

src/Countries/Panama.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Spatie\Holidays\Countries;
+
+use Carbon\CarbonImmutable;
+
+class Panama extends Country
+{
+
+    public function countryCode(): string
+    {
+        return 'pa';
+    }
+
+    protected function allHolidays(int $year): array
+    {
+        return array_merge([
+            'Año Nuevo' => '01-01',
+            'Día de los Mártires' => '01-09',
+            'Día del Trabajo' => '05-01',
+            'Separación de Panamá de Colombia' => '11-03',
+            'Día de Colón' => '11-05',
+            'Grito de independencia de La Villa de Los Santos' => '11-10',
+            'Independencia de Panamá de España' => '11-25',
+            'Día de la Madre' => '12-08',
+            'Duelo Nacional por la Invasión de Estados Unidos a Panamá' => '12-20',
+            'Navidad' => '12-25',
+        ], $this->variableHolidays($year));
+    }
+
+    /** @return array<string, CarbonImmutable> */
+    protected function variableHolidays(int $year): array
+    {
+        $easter = CarbonImmutable::createFromTimestamp(easter_date($year))
+            ->setTimezone('America/Panama');
+
+        return [
+            'Jueves Santo' => $easter->subDays(3),
+            'Viernes Santo' => $easter->subDays(2),
+            'Sábado de Gloria' => $easter->subDays(1),
+        ];
+    }
+}

tests/.pest/snapshots/Countries/PanamaTest/it_can_calculate_panama_holidays.snap

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+[
+    {
+        "name": "A\u00f1o Nuevo",
+        "date": "2024-01-01"
+    },
+    {
+        "name": "D\u00eda de los M\u00e1rtires",
+        "date": "2024-01-09"
+    },
+    {
+        "name": "Viernes Santo",
+        "date": "2024-03-28"
+    },
+    {
+        "name": "S\u00e1bado de Gloria",
+        "date": "2024-03-29"
+    },
+    {
+        "name": "D\u00eda del Trabajo",
+        "date": "2024-05-01"
+    },
+    {
+        "name": "Separación de Panamá de Colombia",
+        "date": "2024-11-03"
+    },
+    {
+        "name": "D\u00eda de Col\u00f3n",
+        "date": "2024-11-05"
+    },
+    {
+        "name": "Grito de independencia de La Villa de Los Santos",
+        "date": "2024-11-10"
+    },
+    {
+        "name": "Independencia de Panam\u00e1 de Espa\00f1a",
+        "date": "2024-11-28"
+    },
+    {
+        "name": "D\u00eda de la Madre",
+        "date": "2024-12-08"
+    },
+    {
+        "name": "Duelo Nacional por la Invasi\u00f3n de Estados Unidos a Panam\u00e1",
+        "date": "2024-12-20"
+    },
+    {
+        "name": "Navidad",
+        "date": "2024-12-25"
+    }
+]

tests/Countries/PanamaTest.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Spatie\Holidays\Tests\Countries;
+
+use Carbon\CarbonImmutable;
+use Spatie\Holidays\Holidays;
+
+it('can calculate panama holidays', function () {
+    CarbonImmutable::setTestNowAndTimezone('2024-01-01');
+
+    $holidays = Holidays::for(country: 'pa')->get();
+
+    expect($holidays)
+        ->toBeArray()
+        ->not()->toBeEmpty();
+
+    expect(formatDates($holidays))->toMatchSnapshot();
+});