import { isDate } from './isDate';
export const dateFormat = (date: string | Date | number, format: string) => {
  if (!isDate(date)) return null;
  // 时间格式化函数
  let time: Date | number;
  if (!isNaN(date as any)) {
    date = Number(date);
  } else if (typeof date === 'string' && date.includes('-')) {
    date = date.replace(/-/g, '/');
  }
  time = new Date(date);
  const o: Record<string, any> = {
    YYYY: time.getFullYear(),
    YY: `${time.getFullYear()}`.slice(-2),
    MM: `0${time.getMonth() + 1}`.slice(-2),
    M: time.getMonth() + 1,
    DD: `0${time.getDate()}`.slice(-2),
    D: time.getDate(),
    HH: `0${time.getHours()}`.slice(-2),
    H: time.getHours(),
    hh: `0${time.getHours() % 12}`.slice(-2),
    h: time.getHours() % 12,
    mm: `0${time.getMinutes()}`.slice(-2),
    m: time.getMinutes(),
    ss: `0${time.getSeconds()}`.slice(-2),
    s: time.getSeconds(),
    w: (function () {
      return ['日', '一', '二', '三', '四', '五', '六'][time.getDay()];
    })(),
  };
  for (const k in o) {
    format = format.replace(k, o[k]);
  }
  return format;
};