rsshub/dist-lib/parse-date-BrP7mxXf.mjs

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import dayjs from "dayjs";
import customParseFormat from "dayjs/plugin/customParseFormat.js";
import duration from "dayjs/plugin/duration.js";
import isSameOrBefore from "dayjs/plugin/isSameOrBefore.js";
import weekday from "dayjs/plugin/weekday.js";

//#region lib/utils/parse-date.ts
dayjs.extend(customParseFormat);
dayjs.extend(duration);
dayjs.extend(isSameOrBefore);
dayjs.extend(weekday);
const words = [
	{
		startAt: dayjs(),
		regExp: /^(?:今[天日]|to?day?)(.*)/
	},
	{
		startAt: dayjs().subtract(1, "days"),
		regExp: /^(?:昨[天日]|y(?:ester)?day?)(.*)/
	},
	{
		startAt: dayjs().subtract(2, "days"),
		regExp: /^(?:前天|(?:the)?d(?:ay)?b(?:eforeyesterda)?y)(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(1)) ? dayjs().weekday(1).subtract(1, "week") : dayjs().weekday(1),
		regExp: /^(?:周|星期)一(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(2)) ? dayjs().weekday(2).subtract(1, "week") : dayjs().weekday(2),
		regExp: /^(?:周|星期)二(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(3)) ? dayjs().weekday(3).subtract(1, "week") : dayjs().weekday(3),
		regExp: /^(?:周|星期)三(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(4)) ? dayjs().weekday(4).subtract(1, "week") : dayjs().weekday(4),
		regExp: /^(?:周|星期)四(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(5)) ? dayjs().weekday(5).subtract(1, "week") : dayjs().weekday(5),
		regExp: /^(?:周|星期)五(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(6)) ? dayjs().weekday(6).subtract(1, "week") : dayjs().weekday(6),
		regExp: /^(?:周|星期)六(.*)/
	},
	{
		startAt: dayjs().isSameOrBefore(dayjs().weekday(7)) ? dayjs().weekday(7).subtract(1, "week") : dayjs().weekday(7),
		regExp: /^(?:周|星期)[天日](.*)/
	},
	{
		startAt: dayjs().add(1, "days"),
		regExp: /^(?:明[天日]|y(?:ester)?day?)(.*)/
	},
	{
		startAt: dayjs().add(2, "days"),
		regExp: /^(?:[后後][天日]|(?:the)?d(?:ay)?a(?:fter)?t(?:omrrow)?)(.*)/
	}
];
const patterns = [
	{
		unit: "years",
		regExp: /(\d+)(?:年|y(?:ea)?rs?)/
	},
	{
		unit: "months",
		regExp: /(\d+)(?:[个個]?月|months?)/
	},
	{
		unit: "weeks",
		regExp: /(\d+)(?:周|[个個]?星期|weeks?)/
	},
	{
		unit: "days",
		regExp: /(\d+)(?:天|日|d(?:ay)?s?)/
	},
	{
		unit: "hours",
		regExp: /(\d+)(?:[个個]?(?:小?时|時|点|點)|h(?:(?:ou)?r)?s?)/
	},
	{
		unit: "minutes",
		regExp: /(\d+)(?:分[鐘钟]?|m(?:in(?:ute)?)?s?)/
	},
	{
		unit: "seconds",
		regExp: /(\d+)(?:秒[鐘钟]?|s(?:ec(?:ond)?)?s?)/
	}
];
const patternSize = Object.keys(patterns).length;
/**
* 预处理日期字符串
* @param {String} date 原始日期字符串
*/
const toDate = (date) => date.toLowerCase().replaceAll(/(^an?\s)|(\san?\s)/g, "1").replaceAll(/几|幾/g, "3").replaceAll(/[\s,]/g, "");
/**
* 将 `['\d+时', ..., '\d+秒']` 转换为 `{ hours: \d+, ..., seconds: \d+ }`
* 用于描述时间长度
* @param {Array.<String>} matches 所有匹配结果
*/
const toDurations = (matches) => {
	const durations = {};
	let p = 0;
	for (const m of matches) for (; p <= patternSize; p++) {
		const match = patterns[p].regExp.exec(m);
		if (match) {
			durations[patterns[p].unit] = match[1];
			break;
		}
	}
	return durations;
};
const parseDate = (date, ...options) => dayjs(date, ...options).toDate();
const parseRelativeDate = (date) => {
	const theDate = toDate(date);
	const matches = theDate.match(/(?:\D+)?\d+(?!:|-|\/|(a|p)m)\D+/g);
	if (matches) {
		const lastMatch = matches.pop();
		if (lastMatch) {
			const beforeMatches = /(.*)(?:[之以]?前|ago)$/.exec(lastMatch);
			if (beforeMatches) {
				matches.push(beforeMatches[1]);
				return dayjs().subtract(dayjs.duration(toDurations(matches))).toDate();
			}
			const afterMatches = /(?:^in(.*)|(.*)[之以]?[后後])$/.exec(lastMatch);
			if (afterMatches) {
				matches.push(afterMatches[1] ?? afterMatches[2]);
				return dayjs().add(dayjs.duration(toDurations(matches))).toDate();
			}
			matches.push(lastMatch);
		}
		const firstMatch = matches.shift();
		if (firstMatch) for (const w of words) {
			const wordMatches = w.regExp.exec(firstMatch);
			if (wordMatches) {
				matches.unshift(wordMatches[1]);
				return w.startAt.set("hour", 0).set("minute", 0).set("second", 0).set("millisecond", 0).add(dayjs.duration(toDurations(matches))).toDate();
			}
		}
	} else for (const w of words) {
		const wordMatches = w.regExp.exec(theDate);
		if (wordMatches) return dayjs(`${w.startAt.format("YYYY-MM-DD")} ${/a|pm$/.test(wordMatches[1]) ? wordMatches[1].replace(/a|pm/, " $&") : wordMatches[1]}`).toDate();
	}
	return date;
};

//#endregion
export { parseRelativeDate as n, parseDate as t };