...
Identify which Babylon plugins are in use in your project from the following list: https://babeljs.io/docs/en/6.26.3/babylon#pluginsplugins
Add the
--babylonPlugins
parameter with the name of the Babylon plugin to theslnodejs build
command. Some examples:slnodejs build <...> --babylonPlugins estree
slnodejs build <...> --babylonPlugins jsx