Versie 0.2.0

client/widgets/exchange-times.js

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+// Generated, do not edit. sha256:f7c492e9043516674843077cdedb9f9190b5176696652a8825a3e593c111d7ea
+import { localeTag } from '../i18n/index.js';
+
+const MIN = 60 * 1000;
+const WEEKDAY_NUM = { Sun: 0, Mon: 1, Tue: 2, Wed: 3, Thu: 4, Fri: 5, Sat: 6 };
+
+const _partsFmt = new Map();
+function wallParts(tz, instant) {
+  let f = _partsFmt.get(tz);
+  if (!f) {
+    f = new Intl.DateTimeFormat('en-US', {
+      timeZone: tz, hourCycle: 'h23', weekday: 'short',
+      year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit',
+    });
+    _partsFmt.set(tz, f);
+  }
+  const p = {};
+  for (const part of f.formatToParts(instant)) p[part.type] = part.value;
+  return { y: +p.year, mo: +p.month, d: +p.day, wd: WEEKDAY_NUM[p.weekday], h: +p.hour % 24, mi: +p.minute };
+}
+
+export function wallToInstant(tz, y, mo, d, h, mi) {
+  const target = Date.UTC(y, mo - 1, d, h, mi);
+  let t = target;
+  for (let i = 0; i < 2; i++) {
+    const w = wallParts(tz, new Date(t));
+    t += target - Date.UTC(w.y, w.mo - 1, w.d, w.h, w.mi);
+  }
+  return new Date(t);
+}
+
+const hm = (s) => s.split(':').map(Number);
+
+export function exchangeStatus(ex, now = new Date()) {
+  const [oh, om] = hm(ex.open);
+  const [ch, cm] = hm(ex.close);
+  const today = wallParts(ex.tz, now);
+  for (let d = 0; d < 8; d++) {
+    const day = new Date(Date.UTC(today.y, today.mo - 1, today.d + d));
+    if (!ex.days.includes(day.getUTCDay())) continue;
+    const y = day.getUTCFullYear(), mo = day.getUTCMonth() + 1, dd = day.getUTCDate();
+    const opens = wallToInstant(ex.tz, y, mo, dd, oh, om);
+    const closes = wallToInstant(ex.tz, y, mo, dd, ch, cm);
+    if (now < opens) return { isOpen: false, openedAt: null, closesAt: null, opensAt: opens };
+    if (now < closes) return { isOpen: true, openedAt: opens, closesAt: closes, opensAt: null };
+  }
+  return { isOpen: false, openedAt: null, closesAt: null, opensAt: null };
+}
+
+export function durationParts(ms) {
+  const minutes = Math.max(1, Math.ceil(ms / MIN));
+  if (minutes < 60) return { unit: 'min', n: minutes };
+  if (minutes < 180) return { unit: 'hourMin', n: Math.floor(minutes / 60), m: minutes % 60 };
+  if (minutes < 24 * 60) return { unit: 'hours', n: Math.round(minutes / 60) };
+  return { unit: 'days', n: Math.round(minutes / (24 * 60)) };
+}
+
+const _clockFmt = new Map();
+export function localClock(instant, now = new Date(), tz = undefined) {
+  const tag = localeTag();
+  const key = `${tag}|${tz || ''}`;
+  let f = _clockFmt.get(key);
+  if (!f) {
+    f = {
+      time: new Intl.DateTimeFormat(tag, { timeZone: tz, hour: '2-digit', minute: '2-digit', hourCycle: 'h23' }),
+      day: new Intl.DateTimeFormat('en-CA', { timeZone: tz, year: 'numeric', month: '2-digit', day: '2-digit' }),
+      weekday: new Intl.DateTimeFormat(tag, { timeZone: tz, weekday: 'short' }),
+    };
+    _clockFmt.set(key, f);
+  }
+  return {
+    time: f.time.format(instant),
+    otherDay: f.day.format(instant) !== f.day.format(now),
+    weekday: f.weekday.format(instant),
+  };
+}