script.js

const readline = require('readline');
const Raven = require('ravendb');
const process = require('process');

const store = Raven.DocumentStore.create({
  // ... initialize RavenDB client ...
}).initialize();

const session = store.openSession();

const doc = JSON.parse(readline.readline());
session.store(doc);
session.saveChanges()
  .catch(error => { 
    console.error(error);
    process.exit(1);
});