Cannot Use Latest V8 Engine on Debian 9.11 Stretch

[masato-yoshihara]

I'm using extendShinyjs from shinyjs as part of my Shiny App. While extendShinyjs (which utilizes V8 as a dependency) works without an issue locally on OSX, I'm getting a Javascript parsing error when I run my Shiny app in a Debian-based container due to R using a legacy version of V8 instead of the latest version.

Per instructions, I'm downloading V8 using the following command: sudo apt-get install -y libv8-dev, then installing the V8 package in Shiny using install.packages("V8"). When I type in V8::engine_info(), I get $version [1] "3.14.5.9" though I expected $version [1] "7.2.502.24".

I am using R Version 3.6.1 (2019-07-05) -- "Action of the Toes", and my container is running Debian GNU/Linux 9.11 (stretch).

How should I go about this issue?

[jeroen]

Debian 9 ships with an older version of libv8-dev. You either need to upgrade to Debian 10 or try to install libv8 from source.

[masato-yoshihara]

That makes sense, thank you so much!