I build a PWA using Angular 9 which can be seen here and I implemented an beforeinstallprompt event handler so as to offer the user a way to install the PWA as
gltf
graphml
phpquery
redraw
opentk
antdv
system.windows.media
onfocusout
register-globals
nautilus
eclipse-gef
unity3d-editor
yoyo
uninstallstring
control-theory
solus
subsonic
use-case
json-path-expression
symbol-not-found
azure-data-factory
dart-ffi
uicontrolstate
azure-sphere
azure-web-app-service
qabstractitemview
windows-store
tableau-desktop
mlton
wifimanager