mbland/slack-github-issues

'use strict'

module.exports = MessageLock

function MessageLock() {
  this.inProgress = {}
}

MessageLock.prototype.lock = function(messageId) {
  if (this.inProgress[messageId]) {
    return Promise.resolve(false)
  }
  this.inProgress[messageId] = true
  return Promise.resolve(messageId)
}

MessageLock.prototype.unlock = function(messageId) {
  delete this.inProgress[messageId]
  return Promise.resolve(messageId)
}