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
davinci
uitextfielddelegate
mode-analytics
prettyfaces
upstart
canvg
iactivescript
bufferstrategy
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user-tracking
download-manager
nbconvert
boost-pool
twilio-python
drag
cloudera-quickstart-vm
.net-core-service-worker
gpo
eclipse-oxygen
npm-start
humanize
json5
adt
zend-framework-mvc
joyent
daemons
soti
skorch
unsatisfiedlinkerror
dependency-management