[node.js/Koa][React] 배열 항목 하나 삭제

hospitals.ctrl.js

import Hospital from "../../models/hospital"

// 병원에서 예약된 시간 삭제
export const removeTime = async (ctx) => {
  const { _id, reservationTime } = ctx.params
  let hospital
  try {
      hospital = await Hospital.findOneAndUpdate(
      { _id: _id },   // id로 검색해서
      {
        $pull: {
          reservationTime: reservationTime  // 해당 id에 해당하는 reservationTime 업데이트 (칼럼 삭제)
        }
      }
    )
  } catch (e) {
    ctx.throw(500, e)
  }
  ctx.body = hospital
}

index.js

import Router from "koa-router"
import { removeTime } from "./hospitals.ctrl"

const hospitals = new Router()

hospitals.delete('/:_id/:reservationTime',removeTime)

export default hospitals

reservation.jsx

import axios from 'axios'
import swal from 'sweetalert'

const cancelReserve=async()=>{
    axios.delete('/api/hospitals/'+hsp+'/'+dateDay)
    swal({     // alert과 같은 기능
        text:'예약이 취소되었습니다.',
        icon:'success',
        confirm:{
            text:'확인',
            value:true
        }
    }).then(
        props.history.push({
           pathname:'/reservation',
        })
    )
}