fix(mini-user): 微信小程序补 Intl 兜底并去掉 toLocaleString

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/mini-user/src/lib/intl-polyfill.ts

@@ -0,0 +1,72 @@
+/**
+ * 微信小程序基础库无 Intl。业务代码已避免依赖，此处仅作兜底，
+ * 防止旧包 / 依赖偶发 `new Intl.DateTimeFormat` 直接白屏。
+ */
+function pad(n: number) {
+  return String(n).padStart(2, '0');
+}
+
+function shanghaiParts(date: Date) {
+  const sh = new Date(date.getTime() + 8 * 60 * 60 * 1000);
+  return {
+    year: String(sh.getUTCFullYear()),
+    month: pad(sh.getUTCMonth() + 1),
+    day: pad(sh.getUTCDate()),
+    hour: pad(sh.getUTCHours()),
+    minute: pad(sh.getUTCMinutes()),
+    second: pad(sh.getUTCSeconds()),
+  };
+}
+
+function installIntlStub() {
+  const root = (typeof globalThis !== 'undefined'
+    ? globalThis
+    : typeof global !== 'undefined'
+      ? global
+      : typeof wx !== 'undefined'
+        ? wx
+        : {}) as typeof globalThis & { Intl?: typeof Intl };
+
+  if (typeof root.Intl !== 'undefined' && typeof root.Intl.DateTimeFormat === 'function') {
+    return;
+  }
+
+  class MiniDateTimeFormat {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    constructor(_locales?: string | string[], _options?: Record<string, unknown>) {}
+
+    format(date?: Date | number) {
+      const d = date instanceof Date ? date : new Date(date ?? Date.now());
+      if (Number.isNaN(d.getTime())) return '';
+      const p = shanghaiParts(d);
+      return `${p.year}-${p.month}-${p.day} ${p.hour}:${p.minute}:${p.second}`;
+    }
+
+    formatToParts(date?: Date | number) {
+      const d = date instanceof Date ? date : new Date(date ?? Date.now());
+      if (Number.isNaN(d.getTime())) return [];
+      const p = shanghaiParts(d);
+      return [
+        { type: 'year', value: p.year },
+        { type: 'literal', value: '-' },
+        { type: 'month', value: p.month },
+        { type: 'literal', value: '-' },
+        { type: 'day', value: p.day },
+        { type: 'literal', value: ' ' },
+        { type: 'hour', value: p.hour },
+        { type: 'literal', value: ':' },
+        { type: 'minute', value: p.minute },
+        { type: 'literal', value: ':' },
+        { type: 'second', value: p.second },
+      ];
+    }
+  }
+
+  root.Intl = {
+    DateTimeFormat: MiniDateTimeFormat,
+  } as unknown as typeof Intl;
+}
+
+installIntlStub();
+
+export {};

apps/mini-user/src/lib/money.ts

@@ -0,0 +1,9 @@
+/** 金额展示（不依赖 Intl / toLocaleString，兼容微信小程序） */
+export function formatMoney(amount: number | string): string {
+  const n = typeof amount === 'number' ? amount : Number(amount);
+  if (!Number.isFinite(n)) return '0.00';
+  const fixed = n.toFixed(2);
+  const [intPart, dec] = fixed.split('.');
+  const withComma = intPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+  return `${withComma}.${dec}`;
+}