release: 1.1.0

web-next/src/utils/date.ts

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+const DEFAULT_TIMEZONE = "Asia/Shanghai";
+let appTimezone = DEFAULT_TIMEZONE;
+
+export function getAppTimezone(): string {
+  return appTimezone;
+}
+
+export function setAppTimezone(timezone: string): void {
+  try {
+    new Intl.DateTimeFormat("en", { timeZone: timezone }).format();
+    appTimezone = timezone;
+  } catch {
+    appTimezone = DEFAULT_TIMEZONE;
+  }
+}
+
+export function formatDateTime(value: Date | number | string, timezone = appTimezone): string {
+  return new Intl.DateTimeFormat("zh-CN", {
+    dateStyle: "medium",
+    timeStyle: "short",
+    timeZone: timezone,
+  }).format(value instanceof Date || typeof value === "number" ? new Date(value) : new Date(value));
+}
+
+export const formatDate = formatDateTime;
+export const dateText = formatDateTime;
+
+export function toDateInputValue(value: Date | number | string, timezone = appTimezone): string {
+  const date = value instanceof Date || typeof value === "number" ? new Date(value) : new Date(value);
+  const parts = new Intl.DateTimeFormat("en-CA", {
+    timeZone: timezone,
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+    hour: "2-digit",
+    minute: "2-digit",
+    hourCycle: "h23",
+  }).formatToParts(date);
+  const values = Object.fromEntries(parts.map((part) => [part.type, part.value]));
+  return `${values.year}-${values.month}-${values.day}T${values.hour}:${values.minute}`;
+}
+
+export const formatDateTimeInput = toDateInputValue;
+
+export function fromDateInput(value: string, timezone = appTimezone): string {
+  const match = /^(\d{4})-(\d{2})-(\d{2})[ T](\d{2}):(\d{2})$/.exec(value.trim());
+  if (!match) throw new Error("请选择有效的支付日期和时间");
+  const year = Number(match[1]);
+  const month = Number(match[2]);
+  const day = Number(match[3]);
+  const hour = Number(match[4]);
+  const minute = Number(match[5]);
+  const calendarProbe = new Date(0);
+  calendarProbe.setUTCFullYear(year, month - 1, day);
+  calendarProbe.setUTCHours(0, 0, 0, 0);
+  if (month < 1 || month > 12 || day < 1 || day > 31 || calendarProbe.getUTCFullYear() !== year || calendarProbe.getUTCMonth() !== month - 1 || calendarProbe.getUTCDate() !== day || hour < 0 || hour > 23 || minute < 0 || minute > 59) {
+    throw new Error("支付时间无效");
+  }
+
+  // Interpret the form value as a wall-clock time in the configured zone.
+  const wallUtc = Date.UTC(year, month - 1, day, hour, minute);
+  const observedParts = new Intl.DateTimeFormat("en-CA", {
+    timeZone: timezone,
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+    hour: "2-digit",
+    minute: "2-digit",
+    hourCycle: "h23",
+  }).formatToParts(new Date(wallUtc));
+  const observed = Object.fromEntries(observedParts.map((part) => [part.type, part.value]));
+  const observedUtc = Date.UTC(Number(observed.year), Number(observed.month) - 1, Number(observed.day), Number(observed.hour), Number(observed.minute));
+  return new Date(wallUtc + wallUtc - observedUtc).toISOString();
+}
+
+export const dateFromInput = fromDateInput;
+
+export function currentMonth(timezone = appTimezone): string {
+  const parts = Object.fromEntries(new Intl.DateTimeFormat("en-CA", {
+    timeZone: timezone,
+    year: "numeric",
+    month: "2-digit",
+  }).formatToParts(new Date()).map((part) => [part.type, part.value]));
+  return `${parts.year}-${parts.month}`;
+}
+
+export const monthNow = currentMonth;

web-next/src/utils/money.ts

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+export function formatMoney(cents: number, currency = "CNY", locale = "zh-CN"): string {
+  return new Intl.NumberFormat(locale, {
+    style: "currency",
+    currency,
+    minimumFractionDigits: 2,
+    maximumFractionDigits: 2,
+  }).format(cents / 100);
+}
+
+export const money = formatMoney;
+
+export function centsToAmount(cents: number): string {
+  return (cents / 100).toFixed(2);
+}
+
+export function amountToCents(value: string): number {
+  const match = /^(\d+)(?:\.(\d{1,2}))?$/.exec(value.trim());
+  if (!match) throw new Error("INVALID_AMOUNT");
+  const cents = Number(match[1]) * 100 + Number((match[2] ?? "").padEnd(2, "0"));
+  if (!Number.isSafeInteger(cents) || cents <= 0) throw new Error("INVALID_AMOUNT");
+  return cents;
+}
+
+export const yuanToCents = amountToCents;