const findIdx = noti.info.indexOf('ProfileImage');
let imgInfo: string = noti.info;

if (findIdx > -1) {
  const startIdx = noti.info.indexOf('/', findIdx);
  imgInfo = noti.info.substring(startIdx);
}

const roomInfo1 = rooms.filter(
  (r) => r.roomId === ru.roomId
)[0];
const cUser = {
  ...u,
  profileImageFile: 'imgInfo'
};

const idx = ru.userInfos.findIndex(
  (u3) => Number(u3.seq) === Number(u.seq)
);
if (idx > -1) {
  ru.userInfos[idx] = cUser;
}
const tempShort: UserInfoShort[] = [];
ru.userInfos.map((u2) => {
  if (Number(u2.seq) === Number(u.seq)) {
    tempShort.push(cUser);
  } else {
    tempShort.push(u2);
  }
});
const tempUserShort = [...ru.userInfos, cUser];

tempRoomList.push({
  roomInfo: roomInfo1,
  userInfoS: tempShort
});

/2020/06/24/PF_338127_103928272.jpg