84 lines
2.9 KiB
TypeScript
84 lines
2.9 KiB
TypeScript
import { formatAppMinuteOfDay } from '@/lib/i18n/format';
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/** Normalize to local midnight; invalid input falls back to today. */
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export function startOfLocalDay(d: Date): Date {
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if (Number.isNaN(d.getTime())) {
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const t = new Date();
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return new Date(t.getFullYear(), t.getMonth(), t.getDate(), 0, 0, 0, 0);
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}
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return new Date(d.getFullYear(), d.getMonth(), d.getDate(), 0, 0, 0, 0);
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}
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/** Local calendar bounds for a date (browser timezone). */
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export function getLocalDayIsoRange(day: Date): { from: string; to: string } {
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const start = startOfLocalDay(day);
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const end = new Date(start.getFullYear(), start.getMonth(), start.getDate() + 1, 0, 0, 0, 0);
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return { from: start.toISOString(), to: end.toISOString() };
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}
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export function toDateInputValue(d: Date): string {
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const y = d.getFullYear();
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const m = String(d.getMonth() + 1).padStart(2, '0');
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const day = String(d.getDate()).padStart(2, '0');
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return `${y}-${m}-${day}`;
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}
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export function parseDateInput(value: string): Date {
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const [y, m, d] = value.split('-').map(Number);
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return new Date(y, m - 1, d, 0, 0, 0, 0);
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}
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export function combineLocalDateAndTime(day: Date, timeHHmm: string): Date {
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const [h, min] = timeHHmm.split(':').map(Number);
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return new Date(day.getFullYear(), day.getMonth(), day.getDate(), h, min, 0, 0);
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}
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export function formatTimeForInput(d: Date): string {
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const h = String(d.getHours()).padStart(2, '0');
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const m = String(d.getMinutes()).padStart(2, '0');
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return `${h}:${m}`;
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}
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export function isSameLocalCalendarDay(a: Date, b: Date): boolean {
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return (
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a.getFullYear() === b.getFullYear() &&
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a.getMonth() === b.getMonth() &&
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a.getDate() === b.getDate()
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);
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}
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export function formatHourLabel(hour: number, locale: string): string {
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return formatAppMinuteOfDay(hour * 60, locale);
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}
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/** Local midnight + delta calendar days. */
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export function addCalendarDays(day: Date, delta: number): Date {
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return new Date(day.getFullYear(), day.getMonth(), day.getDate() + delta, 0, 0, 0, 0);
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}
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/** Compare two calendar days at local midnight (ordering by date only). */
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export function compareLocalDayStart(a: Date, b: Date): number {
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const ta = new Date(a.getFullYear(), a.getMonth(), a.getDate()).getTime();
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const tb = new Date(b.getFullYear(), b.getMonth(), b.getDate()).getTime();
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return ta - tb;
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}
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export function parseTimeInputToMinutes(time: string): number {
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const [h, m] = time.split(':').map(Number);
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if (!Number.isFinite(h) || !Number.isFinite(m)) {
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return 0;
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}
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return h * 60 + m;
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}
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export function minutesToTimeInput(minutes: number): string {
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const clamped = Math.max(0, Math.min(24 * 60 - 1, minutes));
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const h = Math.floor(clamped / 60);
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const m = clamped % 60;
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return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}`;
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}
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export function adjustTimeInput(time: string, deltaMinutes: number): string {
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return minutesToTimeInput(parseTimeInputToMinutes(time) + deltaMinutes);
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}
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