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- DBManager DB创建管理器 - FormatTimeTool - ImageViewer工具 - InputArear工具 - OverlayPage工具 - 下拉刷新容器工具 - 视频查看器工具
120 lines
3.6 KiB
TypeScript
120 lines
3.6 KiB
TypeScript
/**
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* 自动将任意精度的时间戳转换为毫秒级时间戳
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* 支持：秒(10位)、毫秒(13位)、微秒(16位)、纳秒(19位)
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*/
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function normalizeTimestamp(ts: number): number {
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if (ts <= 0) return ts;
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const len = Math.floor(ts).toString().length;
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if (len <= 10) {
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return ts * 1000;
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} else if (len <= 13) {
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return ts;
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} else if (len <= 16) {
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return Math.floor(ts / 1000);
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} else {
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return Math.floor(ts / 1000000);
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}
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}
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/**
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* 格式化时间戳为友好的显示格式（用于聊天/消息列表等）
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* - 当天、昨天：显示详细时间 HH:MM（昨天带「昨天」前缀）
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* - 大于昨天且在七天内：显示「X天前」
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* - 超过七天且本年：显示 MM/DD
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* - 非本年：显示 YY/MM/DD
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* 自动识别时间戳精度，支持秒/毫秒/微秒/纳秒级时间戳
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*/
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export function formatTime(ts: number): string {
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const MS = 1;
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const MINUTE = MS * 1000 * 60;
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const HOUR = MINUTE * 60;
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const DAY = HOUR * 24;
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const normalizedTs = normalizeTimestamp(ts);
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const now = Date.now();
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const diff = now - normalizedTs;
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if (diff <= 0) return '未来';
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if (diff < MINUTE) return '刚刚';
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const target = new Date(normalizedTs);
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const today = new Date(now);
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const pad = (n: number) => String(n).padStart(2, '0');
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const hm = `${pad(target.getHours())}:${pad(target.getMinutes())}`;
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const isSameDay = (a: Date, b: Date) =>
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a.getFullYear() === b.getFullYear() &&
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a.getMonth() === b.getMonth() &&
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a.getDate() === b.getDate();
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if (isSameDay(today, target)) return hm;
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const yesterday = new Date(today);
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yesterday.setDate(today.getDate() - 1);
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if (isSameDay(yesterday, target)) return `昨天 ${hm}`;
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// 按日历天数算「X天前」，避免「前天」因不足 48 小时被算成 1 天
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const todayStart = new Date(today.getFullYear(), today.getMonth(), today.getDate()).getTime();
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const targetStart = new Date(target.getFullYear(), target.getMonth(), target.getDate()).getTime();
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const calendarDaysAgo = Math.floor((todayStart - targetStart) / DAY);
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if (calendarDaysAgo >= 2 && calendarDaysAgo <= 7) return `${calendarDaysAgo}天前`;
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const MM = pad(target.getMonth() + 1);
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const DD = pad(target.getDate());
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if (target.getFullYear() !== today.getFullYear()) {
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const YY = String(target.getFullYear()).slice(-2);
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return `${YY}/${MM}/${DD}`;
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}
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return `${MM}/${DD}`;
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}
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/**
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* 信息流用时间格式（Feed 专用）
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* - 1 分钟内：刚刚
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* - 1 分钟～1 小时：xx分钟前
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* - 1 小时～1 天：xx小时前
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* - 1 天～1 周：x天前
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* - 超过 1 周、今年内：MM/DD
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* - 不是今年：YYYY/MM/DD
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*/
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export function formatFeedTime(ts: number): string {
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const MS = 1;
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const MINUTE = MS * 1000 * 60;
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const HOUR = MINUTE * 60;
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const DAY = HOUR * 24;
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const WEEK = DAY * 7;
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const normalizedTs = normalizeTimestamp(ts);
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const now = Date.now();
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const diff = now - normalizedTs;
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if (diff <= 0) return '刚刚';
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if (diff < MINUTE) return '刚刚';
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if (diff < HOUR) {
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const m = Math.floor(diff / MINUTE);
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return `${m}分钟前`;
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}
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if (diff < DAY) {
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const h = Math.floor(diff / HOUR);
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return `${h}小时前`;
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}
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if (diff < WEEK) {
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const d = Math.floor(diff / DAY);
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return `${d}天前`;
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}
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const target = new Date(normalizedTs);
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const today = new Date(now);
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const pad = (n: number) => String(n).padStart(2, '0');
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const MM = pad(target.getMonth() + 1);
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const DD = pad(target.getDate());
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if (target.getFullYear() !== today.getFullYear()) {
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return `${target.getFullYear()}/${MM}/${DD}`;
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}
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return `${MM}/${DD}`;
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}
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