find(...).map(x => {x.foo = x.foo.join(', '); return x;} )
so I can see that field (which is a list of numbers) in table view instead of seeing "[x elements]" but then each result becomes a cell
robo3t-snap --version
MongoDB shell version v4.0.5-18-g7e327a9017
git version: 7e327a90179e45a48401c62a68fcad91b39ef2a4
OpenSSL version: OpenSSL 1.0.2o 27 Mar 2018
allocator: tcmalloc
modules: none
build environment:
distarch: x86_64
target_arch: x86_64