So trying to fix this issue I found that in this line of term-size stops the execution:

const size = execa.sync('resize', ['-u']).stdout.match(/\d+/g);

Reproduce

With the vendor/resize binary, execute a script:

#!/usr/bin/env node
const path = require('path')
const execa = require('execa')
const size = execa.shellSync(path.join(__dirname, 'resize'), ['-u']).stdout.match(/\d+/g)
console.log(size)

And executing like this:

$ ./index.js >log.txt 2>&1 &
[2] 15736
[2]  + 15736 suspended (tty output)  ./index.js > log.txt 2>&1
$ cat log.txt

$ 

This doesn't happen when you don't run the process in the background (so, without the last &):

$ ./index.js >log.txt 2>&1
$ cat log.txt
[ '111', '25' ]
$

This could be an error in execa or in the resize binary, I have no clue.