Cross platform ps-tree (including unix flavours without ps)
npm install pstree.remy
const psTree = psTree require('pstree.remy');
psTree(PID, (err, pids) => {
if (err) {
console.error(err);
}
console.log(pids)
});
console.log(psTree.hasPS
? "This platform has the ps shell command"
: "This platform does not have the ps shell command");