yml2213
a6ccb2e2d8
perf(finance): 统一把 Intl.DateTimeFormat 提到模块级,消除逐行构造开销
承接 14b595b0。以下 7 处仍在函数体内 `new Intl.DateTimeFormat(...)`,
单次构造约 0.5ms,按行/按条调用时会线性放大:
- utils/finance-date-range.ts formatShanghaiDate
- utils/http.ts (已在上一个提交修复)
- scheduler/cost-finance-sync-job.ts today
- finance/sales-facts-service.ts formatDateOnly
- finance/order-refund-service.ts toChinaDate
- admin/admin-finance-service.ts chinaDateParts
- admin/admin-dashboard-service.ts resolveChinaTodayRange
- scripts/sync-cost-finance.ts formatShanghaiDate
均为同选项的纯 hoist,输出逐字节不变:formatShanghaiDate 用 9 例跨时区/
毫秒/闰日语料与旧实现比对一致;其余为相同 en-CA/en-US + Asia/Shanghai
选项的等价替换,formatToParts 的取值改为单次遍历、去掉 fromEntries/reduce。
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