Add Lithuanian holidays

src/Countries/Lithuania.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Spatie\Holidays\Countries;
+
+use Carbon\CarbonImmutable;
+
+class Lithuania extends Country
+{
+    public function countryCode(): string
+    {
+        return 'lt';
+    }
+
+    protected function allHolidays(int $year): array
+    {
+        return array_merge([
+            'Naujieji metai' => '01-01',
+            'Lietuvos valstybės atkūrimo diena' => '02-16',
+            'Nepriklausomybės atkūrimo diena' => '03-11',
+            'Tarptautinė darbo diena' => '05-01',
+            'Joninės' => '06-24',
+            'Karaliaus Mindaugo karūnavimo diena' => '07-06',
+            'Žolinė' => '08-15',
+            'Visų šventųjų diena' => '11-01',
+            'Vėlinės' => '11-02',
+            'Šv. Kūčios' => '12-24',
+            'Šv. Kalėdos' => '12-25',
+            'Šv. Kalėdų antroji diena' => '12-26',
+        ], $this->variableHolidays($year));
+    }
+
+    /** @return array<string, CarbonImmutable> */
+    protected function variableHolidays(int $year): array
+    {
+        $easter = $this->easter($year);
+
+        return [
+            'Velykos' => $easter,
+            'Velykų antroji diena' => $easter->addDay(),
+        ];
+    }
+}

tests/.pest/snapshots/Countries/LithuaniaTest/it_can_calculate_lithuanian_holidays.snap

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+[
+    {
+        "name": "Naujieji metai",
+        "date": "2024-01-01"
+    },
+    {
+        "name": "Lietuvos valstyb\u0117s atk\u016brimo diena",
+        "date": "2024-02-16"
+    },
+    {
+        "name": "Nepriklausomyb\u0117s atk\u016brimo diena",
+        "date": "2024-03-11"
+    },
+    {
+        "name": "Velykos",
+        "date": "2024-03-31"
+    },
+    {
+        "name": "Velyk\u0173 antroji diena",
+        "date": "2024-04-01"
+    },
+    {
+        "name": "Tarptautin\u0117 darbo diena",
+        "date": "2024-05-01"
+    },
+    {
+        "name": "Jonin\u0117s",
+        "date": "2024-06-24"
+    },
+    {
+        "name": "Karaliaus Mindaugo kar\u016bnavimo diena",
+        "date": "2024-07-06"
+    },
+    {
+        "name": "\u017dolin\u0117",
+        "date": "2024-08-15"
+    },
+    {
+        "name": "Vis\u0173 \u0161vent\u0173j\u0173 diena",
+        "date": "2024-11-01"
+    },
+    {
+        "name": "V\u0117lin\u0117s",
+        "date": "2024-11-02"
+    },
+    {
+        "name": "\u0160v. K\u016b\u010dios",
+        "date": "2024-12-24"
+    },
+    {
+        "name": "\u0160v. Kal\u0117dos",
+        "date": "2024-12-25"
+    },
+    {
+        "name": "\u0160v. Kal\u0117d\u0173 antroji diena",
+        "date": "2024-12-26"
+    }
+]

tests/Countries/LithuaniaTest.php

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+<?php
+
+namespace Spatie\Holidays\Tests\Countries;
+
+use Carbon\CarbonImmutable;
+use Spatie\Holidays\Holidays;
+
+it('can calculate lithuanian holidays', function () {
+    CarbonImmutable::setTestNowAndTimezone('2024-01-01', 'Europe/Vilnius');
+
+    $holidays = Holidays::for(country: 'lt')->get();
+
+    expect($holidays)
+        ->toBeArray()
+        ->not()->toBeEmpty();
+
+    expect(formatDates($holidays))->toMatchSnapshot();
+});