第一次上传

2026-06-11 09:53:11 +08:00
commit e257f2009e
89 changed files with 4336 additions and 0 deletions
@@ -0,0 +1,103 @@
+function pad(value) {
+	return String(value).padStart(2, '0')
+}
+
+export function parseDate(input = new Date()) {
+	if (input instanceof Date) {
+		return new Date(input.getTime())
+	}
+
+	if (typeof input === 'number') {
+		return new Date(input)
+	}
+
+	if (typeof input === 'string') {
+		if (/^\d{4}-\d{2}-\d{2}$/.test(input)) {
+			const [year, month, day] = input.split('-').map(Number)
+			return new Date(year, month - 1, day)
+		}
+
+		if (/^\d{4}-\d{2}$/.test(input)) {
+			const [year, month] = input.split('-').map(Number)
+			return new Date(year, month - 1, 1)
+		}
+
+		return new Date(input.replace(/-/g, '/'))
+	}
+
+	return new Date()
+}
+
+export function toDateKey(input = new Date()) {
+	const date = parseDate(input)
+	return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`
+}
+
+export function toMonthKey(input = new Date()) {
+	const date = parseDate(input)
+	return `${date.getFullYear()}-${pad(date.getMonth() + 1)}`
+}
+
+export function formatDateLabel(value) {
+	if (!value) {
+		return ''
+	}
+
+	const date = parseDate(value)
+	const weekMap = ['周日', '周一', '周二', '周三', '周四', '周五', '周六']
+	return `${date.getMonth() + 1}月${date.getDate()}日 ${weekMap[date.getDay()]}`
+}
+
+export function formatMonthLabel(monthKey) {
+	if (!monthKey) {
+		return ''
+	}
+
+	const [year, month] = monthKey.split('-')
+	return `${year}年${Number(month)}月`
+}
+
+export function isSameMonth(dateValue, monthKey) {
+	return toMonthKey(dateValue) === monthKey
+}
+
+export function getMonthDays(monthKey) {
+	const [year, month] = monthKey.split('-').map(Number)
+	return new Date(year, month, 0).getDate()
+}
+
+export function getDaysLeftInMonth(monthKey) {
+	const today = new Date()
+	if (toMonthKey(today) !== monthKey) {
+		return getMonthDays(monthKey)
+	}
+
+	return getMonthDays(monthKey) - today.getDate() + 1
+}
+
+export function getRecentDateKeys(days, endDate = new Date()) {
+	const result = []
+	const end = parseDate(endDate)
+
+	for (let index = days - 1; index >= 0; index -= 1) {
+		const current = new Date(end)
+		current.setDate(end.getDate() - index)
+		result.push(toDateKey(current))
+	}
+
+	return result
+}
+
+export function getMonthSeries(length, endMonthKey = toMonthKey()) {
+	const [year, month] = endMonthKey.split('-').map(Number)
+	const cursor = new Date(year, month - 1, 1)
+	const result = []
+
+	for (let index = length - 1; index >= 0; index -= 1) {
+		const current = new Date(cursor)
+		current.setMonth(cursor.getMonth() - index)
+		result.push(toMonthKey(current))
+	}
+
+	return result
+}