iterableRamda.js

const R = require('ramda')

// changes input into an iterable and returns it
function producer() {
  return Array.from(arguments)
}

function map(fn) {
  return function* (iterable) {
    for (let i of iterable) {
      yield fn(i)
    }
  }
}

// pulls iterable values through the composed transforms in order to produce output
function consumer(transforms) {
  const list = []
  
  for (let i of transforms) {
    list.push(i)
    console.log(list) // side-effect
  }
}

function main() {
  const pipeline = R.pipe(
    producer,
    map(R.compose(R.inc, R.inc)),
    consumer)
    
  pipeline(1,1,1)
  /*  Logs
      [ 3 ]
      [ 3, 3 ]
      [ 3, 3, 3 ]
  */
}

main()