Files
lynq-chat/packages/frontend/src/lib/parser.ts
T

28 lines
940 B
TypeScript

export function DateParse(date: string | Date, startDate: Date = new Date()) {
const diffMs = startDate.getTime() - new Date(date).getTime();
const diffSec = Math.abs(Math.floor(diffMs / 1000));
const diffMin = Math.abs(Math.floor(diffSec / 60));
const diffHour = Math.abs(Math.floor(diffMin / 60));
const diffDay = Math.abs(Math.floor(diffHour / 24));
const diffMonth = Math.abs(Math.floor(diffDay / 30));
const diffYear = Math.abs(Math.floor(diffMonth / 12));
const diffStr = diffMs < 0
? "後"
: "前";
switch (true) {
case diffSec < 60:
return `${diffSec}${diffStr}`;
case diffMin < 60:
return `${diffMin}${diffStr}`;
case diffHour < 24:
return `${diffHour}時間${diffStr}`;
case diffDay < 30:
return `${diffDay}${diffStr}`;
case diffMonth < 12:
return `${diffMonth}ヶ月${diffStr}`;
default:
return `${diffYear}${diffStr}`;
}
}