### Version 3.2.1 ### Reproduction link [https://github.com/dominictarr/event-stream/issues/116](https://github.com/dominictarr/event-stream/issues/116) ### Node and OS info npm ### Steps to reproduce https://github.com/dominictarr/event-stream/issues/116 ### What is expected? https://github.com/dominictarr/event-stream/issues/116 ### What is actually happening? https://github.com/dominictarr/event-stream/issues/116 <!-- generated by vue-issues. DO NOT REMOVE -->
