Get full name from a valid RUT and RUT from full name
npm i -S info-rut
const infoRut = require('info-rut')
const rut = '11111111-1'
infoRut.getFullName(rut).then(console.log).catch(console.error)
const name = 'juan perez'
infoRut.getRut(name).then(console.log).catch(console.error)