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
vcl
knockout-2.0
getnameinfo
unwind-segue
macvim
cgeventtap
tesselation
moodle-api
css-selectors
pinescript-v5
presto
google-maps-flutter
aws-elasticsearch
databound
node-addon-api
istio-prometheus
android-camerax
jquery-waypoints
copyto
common-data-service
exo
smartgit
bsp
skyve
anonymousidentification
cachegrind
node-oidc-provider
swiftui-outlinegroup
hibernate-jpa
array-splice