Surge Script - Jellow Display User Followed Status

*.js

//URL regexp
\/\/api\.jellow\.club\/1\.0\/users\/profile

if (!follewedList) {
  var follewedList = new Set()
}

(($request, $response, $done) => {
  const JELLOW_ID = 'YOUR_JELLOW_ID'
  const requestUrl  = $request.url
  const userId = requestUrl.match(/username=([^?#&]*)/)[1]
  if (userId === JELLOW_ID) {
    $done({})
    return
  }
  const body = JSON.parse($response.body)
  
  let retryCount = 0
  
  function next(data) {
    if (retryCount > 5) {
      $notification.post('retry count exceeded', '', '')
      abandon()
      return
    }
  
    const option = {
      url: 'https://api.jellow.club/1.0/userRelation/getFollowingList',
      body: {
        limit: 100,
        username: userId,
        loadMoreKey: data && data.loadMoreKey
      },
      headers: requestHeaders // $request.headers not available in response script, set it in a request script and turn on context share
    }
  
    $httpClient.post(option, (err, res, data) => {
      if (err) {
        retryCount++
        next(data)
        return
      }
      data = JSON.parse(data)
      if (data.data.find(user => user.id === JELLOW_ID)) {
        done(true)
      } else if (data.loadMoreKey) {
        next(data)
      } else {
        done(false)
      }
    })
  }
  
  function done(hasMe) {
    if (hasMe) {
      follewedList.add(body.user.id)
      body.user.screenName += '👀'
    }
    $done({
      body: JSON.stringify(body)
    })
  }
  
  function abandon() {
    body.user.screenName += '🤷‍♂️'
    $done({
      body: JSON.stringify(body)
    })
  }
  
  if (follewedList.has(body.user.id)) {
    done(true)
  } else {
    next()
  }

})($request, $response, $done)