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feat: enhance DateService with timezone support and improved date manipulation methods

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This commit is contained in:
Firman Ramdhani
2026-01-13 18:07:57 +07:00
parent 554c5fbee3
commit 63b84a54e9
4 changed files with 469 additions and 203 deletions
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packages/ui/src/components/date-example.tsx
+119 -64
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@@ -1,47 +1,53 @@
import { DateService } from '@repo/utils';
import React, { useState, useEffect, useMemo } from 'react';
// Mock Data untuk simulasi list tugas/tagihan
// Kita gunakan relative time agar mock data selalu relevan saat dijalankan
const MOCK_TASKS = [
{
id: 1,
title: 'Bayar Server (Lusa)',
dueDate: DateService.now().add(2, 'day').toISOString(),
},
{
id: 2,
title: 'Laporan Bulanan (Lewat 5 Hari)',
dueDate: DateService.now().subtract(5, 'day').toISOString(),
},
{
id: 3,
title: 'Meeting Tahunan (Bulan Depan)',
dueDate: DateService.now().add(1, 'month').toISOString(),
},
{
id: 4,
title: 'Deadline Besok Pagi',
dueDate: DateService.now().add(1, 'day').startOf('day').toISOString(),
},
];
export const DateServiceComponent: React.FC = () => {
// 1. STATE: Waktu sekarang (untuk jam digital)
const [currentTime, setCurrentTime] = useState<DateService>(DateService.now());
// --- 0. TIMEZONE CONFIGURATION (ROOT CONTROL) ---
const [currentZone, setCurrentZone] = useState<string>(DateService.getGlobalTimezone());
// 2. STATE: Manipulasi tanggal interaktif
// Ambil list timezone dari helper static yang kita buat sebelumnya
const timezoneList = useMemo(() => DateService.getSupportedTimezones(), []);
// --- 1. STATE & DATA ---
// MOCK DATA dipindahkan ke sini & pakai useMemo
// Agar saat timezone ganti, tasks ini di-regenerate dengan waktu "Now" versi timezone baru.
const tasks = useMemo(() => {
return [
{
id: 1,
title: 'Bayar Server (Lusa)',
dueDate: DateService.now().add(2, 'day').toISOString(),
},
{
id: 2,
title: 'Laporan Bulanan (Lewat 5 Hari)',
dueDate: DateService.now().subtract(5, 'day').toISOString(),
},
{
id: 3,
title: 'Meeting Tahunan (Bulan Depan)',
dueDate: DateService.now().add(1, 'month').toISOString(),
},
{
id: 4,
title: 'Deadline Besok Pagi',
dueDate: DateService.now().add(1, 'day').startOf('day').toISOString(),
},
];
}, [currentZone]); // Dependency: currentZone
const [currentTime, setCurrentTime] = useState<DateService>(DateService.now());
const [selectedDate, setSelectedDate] = useState<DateService>(DateService.now());
// 3. STATE: Khusus Demo Logic Calendar (Besok jam 00:00 vs Sekarang)
// Ini untuk menjawab kenapa diff kadang 0 padahal beda hari
const [calendarTarget] = useState(() => DateService.now().add(1, 'day').startOf('day'));
// State demo logic calendar
const [calendarTarget, setCalendarTarget] = useState(() => DateService.now().add(1, 'day').startOf('day'));
// 4. MEMO: Nilai Epoch Static (Hanya diambil saat component mount)
// Gunakan ini jika ingin nilai 'kapan user membuka halaman'
// Static date (Memo kosong) -> Akan tetap di Timezone saat pertama kali load (kecuali di-refresh)
// Ini bagus untuk demo bahwa object lama tidak berubah (immutable) kecuali dibuat ulang.
const staticDate = useMemo(() => new DateService(), []);
// Effect untuk update jam setiap detik
// Effect update jam tiap detik
useEffect(() => {
const timer = setInterval(() => {
setCurrentTime(DateService.now());
@@ -49,25 +55,79 @@ export const DateServiceComponent: React.FC = () => {
return () => clearInterval(timer);
}, []);
// Handler untuk tombol tambah/kurang hari
// --- HANDLER GANTI TIMEZONE ---
const handleZoneChange = (e: React.ChangeEvent<HTMLSelectElement>) => {
const newZone = e.target.value;
setCurrentZone(newZone);
// 1. Set Global Config (Inti Perubahan)
DateService.setGlobalConfig(newZone);
// 2. Force Refresh State agar UI langsung berubah
// Kita buat instance baru agar mengambil config timezone terbaru
setCurrentTime(DateService.now());
// Kita recreate selectedDate dengan nilai raw yang sama, tapi context timezone baru
setSelectedDate((prev) => new DateService(prev.getRaw()));
// Recreate target demo calendar
setCalendarTarget(DateService.now().add(1, 'day').startOf('day'));
};
const handleAddDay = (days: number) => {
setSelectedDate((prev) => prev.add(days, 'day'));
};
return (
<div className="p-8 max-w-5xl mx-auto bg-gray-50 min-h-screen font-sans text-gray-800">
<h1 className="text-3xl font-bold mb-8 text-blue-900">DateService Feature Showcase</h1>
{/* HEADER & TIMEZONE CONTROLLER */}
<div className="flex flex-col md:flex-row justify-between items-start md:items-center mb-8 gap-4 border-b border-gray-200 pb-6">
<h1 className="text-3xl font-bold text-blue-900">DateService Feature Showcase</h1>
<div className="bg-white p-3 rounded-lg shadow-sm border border-blue-100 flex items-center gap-3">
<label htmlFor="tz-switcher" className="text-xs font-bold text-gray-500 uppercase tracking-wide">
App Timezone:
</label>
<select
id="tz-switcher"
value={currentZone}
onChange={handleZoneChange}
className="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded focus:ring-blue-500 focus:border-blue-500 block p-1.5 outline-none font-mono"
>
{timezoneList.map((tz) => (
<option key={tz} value={tz}>
{tz}
</option>
))}
</select>
</div>
</div>
<div className="grid grid-cols-1 md:grid-cols-2 gap-6">
{/* --- CARD 1: REALTIME CLOCK --- */}
<div className="bg-white p-6 rounded-xl shadow-sm border border-gray-200 flex flex-col justify-between">
<div>
<h2 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-2">Realtime Clock</h2>
<div className="text-4xl font-mono font-bold text-gray-900">{currentTime.format('HH:mm:ss')}</div>
<div className="text-lg text-gray-500 mt-1">{currentTime.format('dddd, DD MMMM YYYY')}</div>
<div className="flex flex-col">
<div className="text-4xl font-mono font-bold text-gray-900">{currentTime.format('HH:mm:ss')}</div>
<div className="flex items-center gap-2 mt-2">
{/* UPDATE DI SINI: Gunakan .timezoneAbbr */}
<div className="text-sm font-bold text-blue-700 bg-blue-100 px-2 py-1 rounded border border-blue-200">
{/* Ini akan output "WIB", "WITA", atau "EST" */}
{currentTime.timezoneAbbr}
{/* Ini offset angka (+07:00) */}
<span className="opacity-60 text-xs ml-1">({currentTime.format('Z')})</span>
</div>
</div>
</div>
<div className="text-lg text-gray-500 mt-2">{currentTime.format('dddd, DD MMMM YYYY')}</div>
</div>
<div className="mt-4 text-xs bg-gray-100 p-2 rounded text-gray-500 font-mono break-all">
ISO: {currentTime.toISOString()}
ISO (UTC): {currentTime.toISOString()}
</div>
</div>
@@ -79,7 +139,7 @@ export const DateServiceComponent: React.FC = () => {
{/* STATIC SECTION */}
<div className="bg-blue-50 p-3 rounded-lg border border-blue-100">
<div className="text-xs font-bold text-blue-800 mb-1">STATIC (Load Once)</div>
<div className="text-xs text-blue-600 mb-2">Captured via useMemo([]), tidak berubah.</div>
<div className="text-xs text-blue-600 mb-2">Captured on mount (keeps original timezone).</div>
<div className="grid grid-cols-2 gap-4">
<div>
<div className="text-[10px] uppercase text-gray-500">Epoch Millis</div>
@@ -95,7 +155,7 @@ export const DateServiceComponent: React.FC = () => {
{/* LIVE SECTION */}
<div className="bg-green-50 p-3 rounded-lg border border-green-100">
<div className="text-xs font-bold text-green-800 mb-1">LIVE (Reactive)</div>
<div className="text-xs text-green-600 mb-2">Updated every second (new instance).</div>
<div className="text-xs text-green-600 mb-2">Updated every second (follows dropdown).</div>
<div className="grid grid-cols-2 gap-4">
<div>
<div className="text-[10px] uppercase text-gray-500">Epoch Millis</div>
@@ -110,49 +170,44 @@ export const DateServiceComponent: React.FC = () => {
</div>
</div>
{/* --- CARD 3: CALENDAR LOGIC DEMO (Standard vs Calendar Diff) --- */}
{/* --- CARD 3: CALENDAR LOGIC DEMO --- */}
<div className="bg-indigo-50 p-6 rounded-xl shadow-sm border border-indigo-200 md:col-span-2">
<h2 className="text-lg font-bold text-indigo-900 mb-4 flex items-center gap-2">
🗓️ Calendar Logic Demo (The "Zero Day" Issue)
</h2>
<div className="grid grid-cols-1 md:grid-cols-3 gap-6">
{/* Info Section */}
<div className="text-sm text-indigo-800 space-y-2">
<p>
Compare <strong>Current Time</strong> vs <strong>Tomorrow 00:00</strong>.
</p>
<div className="bg-white/50 p-2 rounded">
<div className="flex justify-between text-xs">
<span>Now:</span>
<span>Now ({currentZone}):</span>
<span className="font-mono font-bold">{currentTime.format('HH:mm')}</span>
</div>
<div className="flex justify-between text-xs mt-1">
<span>Target:</span>
<span>Target (Start of Day):</span>
<span className="font-mono font-bold">{calendarTarget.format('DD MMM HH:mm')}</span>
</div>
</div>
</div>
{/* Wrong Way */}
<div className="bg-white p-4 rounded-lg shadow-sm border-l-4 border-red-400">
<div className="text-xs text-gray-400 uppercase font-bold">Standard .diff('day')</div>
<div className="text-2xl font-bold text-red-600 mt-1">
{calendarTarget.diff(currentTime, 'day')}{' '}
<span className="text-sm font-normal text-gray-500">Days</span>
</div>
<p className="text-xs text-red-500 mt-1">
Hasil 0 jika jarak &lt; 24 jam. Kurang cocok untuk deadline "H-1".
</p>
<p className="text-xs text-red-500 mt-1">Hasil 0 jika jarak &lt; 24 jam.</p>
</div>
{/* Right Way */}
<div className="bg-white p-4 rounded-lg shadow-sm border-l-4 border-green-500">
<div className="text-xs text-gray-400 uppercase font-bold">New .diffCalendarDay()</div>
<div className="text-2xl font-bold text-green-600 mt-1">
{calendarTarget.diffCalendarDay(currentTime)}{' '}
<span className="text-sm font-normal text-gray-500">Days</span>
</div>
<p className="text-xs text-green-600 mt-1">Hasil 1. Menghitung selisih tanggal kalender (ignore jam).</p>
<p className="text-xs text-green-600 mt-1">Hasil 1. Benar secara kalender.</p>
</div>
</div>
</div>
@@ -174,6 +229,7 @@ export const DateServiceComponent: React.FC = () => {
<div className="flex-1 text-center">
<span className="block text-3xl font-bold text-blue-900">{selectedDate.format('DD MMMM YYYY')}</span>
<span className="text-sm text-blue-600 font-medium">Selected Date State</span>
<span className="text-xs text-gray-400 block mt-1">Offset: {selectedDate.format('Z')}</span>
</div>
<button
@@ -201,9 +257,11 @@ export const DateServiceComponent: React.FC = () => {
</div>
</div>
{/* --- CARD 5: TASK LIST (IMPLEMENTATION REAL) --- */}
{/* --- CARD 5: TASK LIST (DYNAMIC) --- */}
<div className="mt-8 bg-white p-6 rounded-xl shadow-sm border border-gray-200">
<h2 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-4">Task List Implementation</h2>
<h2 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-4">
Task List Implementation (Timezone Aware)
</h2>
<div className="overflow-x-auto">
<table className="w-full text-left border-collapse">
@@ -212,22 +270,16 @@ export const DateServiceComponent: React.FC = () => {
<th className="py-3 px-4 rounded-tl-lg">Task Name</th>
<th className="py-3 px-4">Due Date</th>
<th className="py-3 px-4">Status Badge</th>
<th className="py-3 px-4 rounded-tr-lg">Human Readable Countdown</th>
<th className="py-3 px-4 rounded-tr-lg">Countdown</th>
</tr>
</thead>
<tbody>
{MOCK_TASKS.map((task) => {
{tasks.map((task) => {
const dueDate = new DateService(task.dueDate);
const now = DateService.now(); // Mengambil waktu 'live' dari state currentTime akan menyebabkan re-render tiap detik, tapi disini kita instantiate baru agar logic per baris bersih.
const now = DateService.now();
// Logic 1: Apakah sudah lewat? (Check absolute timestamp)
const isOverdue = now.isAfter(dueDate);
// Logic 2: Gunakan CALENDAR DIFF untuk countdown yang enak dibaca user
// Jika pakai diff() biasa, tugas besok pagi bisa dianggap '0 days left'
const daysDiff = dueDate.diffCalendarDay(now);
// Logic 3: Warning jika kurang dari 3 hari lagi (dan belum overdue)
const isDueSoon = !isOverdue && daysDiff <= 3;
let statusBadge;
@@ -256,11 +308,14 @@ export const DateServiceComponent: React.FC = () => {
return (
<tr key={task.id} className={rowClass}>
<td className="py-3 px-4 font-medium text-gray-700">{task.title}</td>
<td className="py-3 px-4 text-gray-500 font-mono text-sm">{dueDate.format('DD MMM YYYY HH:mm')}</td>
<td className="py-3 px-4 text-gray-500 font-mono text-sm">
{dueDate.format('DD MMM YYYY HH:mm')}
<span className="text-[10px] text-gray-400 ml-1">{dueDate.format('Z')}</span>
</td>
<td className="py-3 px-4">{statusBadge}</td>
<td className="py-3 px-4 text-sm text-gray-600 font-medium">
{isOverdue ? (
`${Math.abs(daysDiff)} days late` // Gunakan Math.abs karena diff negatif
`${Math.abs(daysDiff)} days late`
) : daysDiff === 0 ? (
<span className="text-amber-600">Today!</span>
) : (