garyyeap/simple-aws-lambda-update: A simple tool to update your NPM package to AWS Lambda with zero extra configurations required. · GitHub

const update = require('simple-aws-lambda-update');
const includesDevDeps = false;// optional, default
const keepsZipFile = false;// optional, default
const name = 'the-name-from-package-json';// optional, default

update(name, keepsZipFile, includesDevDeps).then(function () {
...  
});