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import { t } from './i18n'
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export function caculateTimeago(dateTimeStamp: number): string {
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/* dateTimeStamp 格式为时间戳 1747099388981
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1. 刚刚，1分钟内，如 刚刚
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2. 今天的，就显示时间，如 17:45 ；
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3. 昨天的，参考微信，显示：昨天 17:34 （注意汉字和时间有空格）；
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4. 今年的，前天及以前，显示：3月6日 17:34 ；
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5. 去年的，如 2025年3月6日 17:34
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*/
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const minute = 1000 * 60;
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const now = new Date().getTime();
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const diffValue = now - dateTimeStamp;
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let result = '';
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if (diffValue < 0) {
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return t('nowText');
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}
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const minC = Math.floor(diffValue / minute);
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// 刚刚：1分钟内
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if (minC === 0) {
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result = t('nowText'); // 刚刚
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}
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// 今天：当天
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else if (isToday(dateTimeStamp)) {
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const timeStr = formatTime(dateTimeStamp);
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result = timeStr; // 如 "17:45"
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}
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// 昨天：前一天
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else if (isYesterday(dateTimeStamp)) {
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const timeStr = formatTime(dateTimeStamp);
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result = `昨天 ${timeStr}`; // 如 "昨天 17:45"
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}
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// 更早：显示具体日期时间
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else {
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result = formatDateWithYear(dateTimeStamp); // 如 "2025年3月6日 17:34"
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}
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return result;
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}
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function isToday(timestamp: number): boolean {
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const today = new Date();
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const date = new Date(timestamp);
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return (
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date.getFullYear() === today.getFullYear() &&
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date.getMonth() === today.getMonth() &&
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date.getDate() === today.getDate()
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);
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}
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function isYesterday(timestamp: number): boolean {
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const yesterday = new Date();
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yesterday.setDate(yesterday.getDate() - 1);
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const date = new Date(timestamp);
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return (
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date.getFullYear() === yesterday.getFullYear() &&
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date.getMonth() === yesterday.getMonth() &&
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date.getDate() === yesterday.getDate()
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);
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}
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function formatTime(timestamp: number): string {
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const date = new Date(timestamp);
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const hours = date.getHours().toString().padStart(2, '0');
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const minutes = date.getMinutes().toString().padStart(2, '0');
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return `${hours}:${minutes}`;
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}
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function formatDateWithYear(timestamp: number): string {
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const date = new Date(timestamp);
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const now = new Date();
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const isThisYear = date.getFullYear() === now.getFullYear();
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const month = (date.getMonth() + 1).toString().padStart(2, '0');
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const day = date.getDate().toString().padStart(2, '0');
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const hours = date.getHours().toString().padStart(2, '0');
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const minutes = date.getMinutes().toString().padStart(2, '0');
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if (isThisYear) {
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return `${month}月${day}日 ${hours}:${minutes}`; // 如 "3月6日 17:34"
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} else {
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const year = date.getFullYear();
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return `${year}年${month}月${day}日 ${hours}:${minutes}`; // 如 "2025年3月6日 17:34"
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}
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}
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export const formatDateRange = (type) => {
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const date = new Date()
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let year = date.getFullYear()
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let month: string | number = date.getMonth() + 1
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let day: string | number = date.getDate()
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if (type === 'start') {
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year = year - 100
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} else if (type === 'end') {
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year = year
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}
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month = month > 9 ? month : '0' + month
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day = day > 9 ? day : '0' + day
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return `${year}-${month}-${day}`
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}
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