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70 lines
2.2 KiB
70 lines
2.2 KiB
/** `datetime-local` 控件用：本地时间的 `YYYY-MM-DDTHH:mm:ss` */
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export function occurredOnToLocalInputValue(d: Date | string | number): string {
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const date = d instanceof Date ? d : new Date(d)
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if (Number.isNaN(date.getTime())) {
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return ''
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}
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const pad = (n: number) => String(n).padStart(2, '0')
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return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}T${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`
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}
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/** 解析 `datetime-local`（按用户本地时区构造瞬间，再交给 `toISOString()` 发给服务端） */
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export function parseLocalDatetimeInput(s: string): Date {
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const m = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(?::(\d{2}))?/.exec(s.trim())
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if (!m) {
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throw new Error('invalid datetime-local')
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}
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const y = Number(m[1])
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const mo = Number(m[2])
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const day = Number(m[3])
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const h = Number(m[4])
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const mi = Number(m[5])
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const sec = m[6] !== undefined ? Number(m[6]) : 0
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return new Date(y, mo - 1, day, h, mi, sec, 0)
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}
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/** 列表 / 公开页展示：年月日 星期 时:分:秒（24 小时） */
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export function formatOccurredOnDisplay(d: Date | string | number, locale = 'zh-CN'): string {
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const date = d instanceof Date ? d : new Date(d)
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if (Number.isNaN(date.getTime())) {
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return '—'
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}
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return new Intl.DateTimeFormat(locale, {
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year: 'numeric',
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month: 'long',
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day: 'numeric',
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weekday: 'short',
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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hour12: false,
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}).format(date)
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}
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export function occurredOnToIsoAttr(d: Date | string | number): string {
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const date = d instanceof Date ? d : new Date(d)
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if (Number.isNaN(date.getTime())) {
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return ''
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}
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return date.toISOString()
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}
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/** 文章列表：发布日期（年月日 + 星期） */
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export function formatPublishedDateOnly(
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d: Date | string | number | null | undefined,
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locale = 'zh-CN',
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): string {
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if (d == null) {
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return ''
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}
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const date = d instanceof Date ? d : new Date(d)
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if (Number.isNaN(date.getTime())) {
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return '—'
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}
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return new Intl.DateTimeFormat(locale, {
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year: 'numeric',
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month: 'long',
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day: 'numeric',
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weekday: 'short',
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}).format(date)
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}
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