Files
AutoJs6/.utils/utils/date.mjs

67 lines
2.1 KiB
JavaScript

// utils/date.mjs
/**
* @example string
* "Aug 23, 2025"
* @param {Date} [date=new Date()]
* @returns {string}
*/
export function toUpdatedStamp(date = new Date()) {
return date.toLocaleString('en-US', { month: 'short', day: 'numeric', year: 'numeric' });
}
/**
* @example string
* "2025/09/20"
* @param {string} [dateText='']
* @returns {string | null}
*/
export function toYYYYMMDD(dateText = '') {
const d = dateText ? new Date(dateText) : new Date();
if (Number.isNaN(d.getTime())) return null;
const y = d.getFullYear();
const m = String(d.getMonth() + 1).padStart(2, '0');
const day = String(d.getDate()).padStart(2, '0');
return `${y}/${m}/${day}`;
}
/**
* Generate timestamp for .properties file header comment.<br>
* Note: The timezone abbreviation depends on runtime environment, may display as GMT+08/PDT etc.<br>
* zh-CN:<br>
* 生成 .properties 文件头部注释时间戳.<br>
* 注: 时区缩写依赖运行环境, 可能显示为 GMT+08/PDT 等.
*
* @example string
* "#ThuAug 28 12:05:55 CST 2025"
*
* @param {Date} [date=new Date()]
* @param {string} [timeZone="Asia/Shanghai"]
* @returns {string}
*/
export function generatePropertiesFileTimestamp(date = new Date(), timeZone) {
const fmt = new Intl.DateTimeFormat('en-US', {
weekday: 'short',
month: 'short',
day: '2-digit',
year: 'numeric',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false,
timeZoneName: 'short',
...(timeZone ? { timeZone } : { timeZone: 'Asia/Shanghai' }),
});
/**
* @example Intl.DateTimeFormatOptions
* { weekday: 'Thu', month:'Aug', day:'28', hour:'12', minute:'05', second:'55', timeZoneName:'CST', year:'2025' }
* @type {Intl.DateTimeFormatOptions}
*/
const parts = fmt.formatToParts(date).reduce((acc, p) => {
acc[p.type] = p.value;
return acc;
}, {});
const stamp = `${parts.weekday} ${parts.month} ${parts.day} ${parts.hour}:${parts.minute}:${parts.second} ${parts.timeZoneName} ${parts.year}`;
return `#${stamp}`;
}