keyMirror = require 'react/lib/keyMirror'

RouterConstants = keyMirror
  ROUTER_ACTION: null
  CHANGE_EVENT: null
  LOCATION_CHANGE: null
  LOCATION_REPLACE: null
  LOCATION_GOBACK: null
  LOCATION_BLOCK: null
  LOCATION_UNBLOCK: null
  LOCATION_ATTEMPT: null

module.exports = RouterConstants