multiple shift_local_proxy folders on windows

[zolga]

A new folder is created on every npm start, without removing the old one.

d----- 8/7/2019 3:03 PM .shift_local_proxy_XPMhye
d----- 8/2/2019 12:59 PM .shift_local_proxy_xPoKzI
d----- 8/6/2019 10:17 PM .shift_local_proxy_xtBJsu
d----- 8/2/2019 3:47 PM .shift_local_proxy_Xx00XP
d----- 8/2/2019 12:54 PM .shift_local_proxy_XZw81G
d----- 8/7/2019 12:58 AM .shift_local_proxy_yd6433
d----- 8/2/2019 3:43 PM .shift_local_proxy_yEph4q
d----- 8/6/2019 5:43 PM .shift_local_proxy_yFEtKG
d----- 8/2/2019 3:02 PM .shift_local_proxy_yIx3Yq
d----- 8/2/2019 12:55 PM .shift_local_proxy_YKooti
d----- 8/2/2019 11:26 PM .shift_local_proxy_yOFNbK
d----- 8/6/2019 11:38 PM .shift_local_proxy_YOwEnQ
d----- 8/2/2019 12:50 PM .shift_local_proxy_ypn612
d----- 8/7/2019 12:44 AM .shift_local_proxy_Yq9k0r
d----- 8/7/2019 12:15 AM .shift_local_proxy_YRYbIf
d----- 8/7/2019 12:48 AM .shift_local_proxy_YT9Ef2
d----- 8/1/2019 10:09 AM .shift_local_proxy_Z9Gll6
d----- 8/3/2019 12:19 AM .shift_local_proxy_ZaPdvo
d----- 8/7/2019 12:49 AM .shift_local_proxy_ZBddS2
d----- 8/7/2019 12:27 AM .shift_local_proxy_zEY9N7
d----- 8/6/2019 11:41 PM .shift_local_proxy_zFVzz1
d----- 8/2/2019 12:59 PM .shift_local_proxy_ZG6fwl
d----- 8/2/2019 11:09 PM .shift_local_proxy_ZJ9bXJ
d----- 8/1/2019 11:02 PM .shift_local_proxy_Zmrr1I
d----- 8/2/2019 12:50 PM .shift_local_proxy_Zn10c4
d----- 8/7/2019 12:50 AM .shift_local_proxy_zo8RVm
d----- 8/6/2019 11:44 PM .shift_local_proxy_ZpoksV
d----- 8/2/2019 11:11 PM .shift_local_proxy_zpyRMx
d----- 8/7/2019 12:49 AM .shift_local_proxy_Zuyjfs
d----- 8/7/2019 9:36 PM .shift_local_proxy_zXyGuh
d----- 8/5/2019 9:24 AM .shift_local_proxy_zzOu90

[michaeladda]

embedding code into the process.once handlers in local-proxy/src/server.ts the handlers are called, but rimraf never returns