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@konce-pt/datetime

v0.11.1

Published

Calendar and clock core for Koncept UI date controls — day/month/year/decade grids, ranges, dial marks. Framework-free TypeScript, zero runtime dependencies.

Readme

@konce-pt/datetime

Rdzeń kalendarza i zegara dla kontrolek daty Koncept UI. Czysty TypeScript, zero zależności runtime, bez wiązania z frameworkiem — siatki dni, miesięcy, lat i dekad, pasma zakresów oraz znaczniki tarczy zegara.

Zwykle nie instalujesz go samodzielnie: @konce-pt/react używa go pod KptDatepicker, KptDateRange i KptClock. Sięgnij po niego wprost, gdy budujesz własną kontrolkę daty na tym samym zachowaniu.

npm i @konce-pt/datetime
import { buildDayGrid, pickRangeDay, formatDate } from '@konce-pt/datetime';

// Sześć pełnych tygodni od poniedziałku — panel nie zmienia wysokości przy przewijaniu.
const weeks = buildDayGrid({
  page: { y: 2026, m: 8 },
  selectedIso: '2026-09-10',
  todayIso: '2026-09-06',
  minDate: '2026-09-01',
});

// Protokół klikania zakresu: start → koniec → od nowa, z normalizacją kolejności.
pickRangeDay({ start: '2026-09-10', end: '' }, '2026-09-05');
// { start: '2026-09-05', end: '2026-09-10' }

formatDate('2026-09-06', 'pl'); // '06.09.2026'

Wartości to stringi, nie Date

Każdy format jest tekstowy: 'RRRR-MM-DD', 'RRRR-MM', 'RRRR', 'MM', 'RRRR-MM-DDTHH:mm', 'HH:mm'. To one trafiają do formularza i na serwer, i nie niosą strefy, którą kalendarz mógłby zgubić. Date służy wyłącznie do arytmetyki lokalnej — toIso() czyta datę lokalną, bo toISOString() przesunąłby dzień o offset strefy.

API

  • Daty i godziny — pad, toIso, parseDate, parseTime, parseDateTime, datePart, timePart, formatDate, formatTime, from12h
  • Stos widoków — KPT_CALENDAR_LEVELS, commitLevelFor, topLevelFor, resolveStartView, initialPage, pageBy, canPageBack, canPageForward, buildDayGrid, buildMonthCells, buildYearCells, buildDecadeCells, selectedYearMonth, isYearDisabled, isMonthYearDisabled, decadeStart, centuryStart
  • Zakresy — buildRangeGrid, pickRangeDay, clampVisibleMonths
  • Tarcza zegara — hourMarks, minuteMarks, hourFromAngle, minuteFromAngle, handAngle, handIsInner, markPosition

Pełny opis: llms.txt (EN) i llms-pl.txt (PL).

Testy

pnpm --filter @konce-pt/datetime exec node --test "src/**/*.test.ts"

Licencja

MIT © konce.pt