export function isToday(date: Date): boolean { const today = new Date(); return ( date.getDate() == today.getDate() && date.getMonth() == today.getMonth() && date.getFullYear() == today.getFullYear() ); } export function isYesterday(date: Date): boolean { const yesterday = new Date(); yesterday.setDate(yesterday.getDate() - 1); return ( date.getFullYear() === yesterday.getFullYear() && date.getMonth() === yesterday.getMonth() && date.getDate() === yesterday.getDate() ); } export function isLastWeek(date: Date): boolean { const today = new Date(); const lastWeek = new Date( today.getFullYear(), today.getMonth(), today.getDate() - 7 ); return date >= lastWeek && date < today; } export function isLastMonth(date: Date): boolean { const today = new Date(); const lastMonth = new Date( today.getFullYear(), today.getMonth() - 1, today.getDate() ); return date >= lastMonth && date < today; } export function isLastYear(date: Date): boolean { const today = new Date(); const lastYear = new Date( today.getFullYear() - 1, today.getMonth(), today.getDate() ); return date >= lastYear && date < today; } export const formatDate = (date: Date): string => { // yyyy-mm-dd MM-DD HH:mm // const year = date.getFullYear(); const month = (date.getMonth() + 1).toString().padStart(2, '0'); const day = date.getDate().toString().padStart(2, '0'); const hours = date.getHours().toString().padStart(2, '0'); const minutes = date.getMinutes().toString().padStart(2, '0'); if (isToday(date)) { // HH:mm return `${hours}:${minutes}`; } // MM-DD HH:mm return `${month}-${day} ${hours}:${minutes}`; };