Functional Snake Game part 2 - UI module

ui.js

const r = require("ramda")
const { intercalate, update } = require("./helper")

const createWorld = (rows, columns, state) => {
  const repeatDot = r.repeat(".")

  const map = r.map(r.thunkify(repeatDot)(rows), repeatDot(columns))

  return r.pipe(addSnake(state), addApple(state))(map)
}

const addSnake = state => r.pipe(...r.map(update("X"), state.snake))

const addApple = state => update("O")(state.apple)

const displayWorld = matrix => {
  console.clear()
  console.log(intercalate("\r\n", r.map(intercalate(" "), matrix)))
}

const display = r.curry((rows, columns, state) => {
  return r.pipe(createWorld, displayWorld)(rows, columns, state)
})

module.exports = {
  display,
}