In nodejs' package.json, we fetch "@babel/core" and "@babel/preset-env", but I cannot find where we do take advantage of babel.
Babel seems to have been introduced for front-end unit testing (see this Gerrit ticket), but I tried to run the latter with Babel and it worked fine.
If there is indeed no such use of it, shouldn't we remove it?
Unless we want to take advantage of ES2015+ features on the Front-End and keep the support of old browsers like IE11.