Coalescing imports/exports w/o Repeating Yourself (too much)

businessLogic.js

const Redis = require('ioredis')
const services = require('./services')

const redis = new Redis()

;(() => {
  const oneInstance = new services.One()
  
  const one = oneInstance.getNumberOne()

  services.two.validate(one)

  const two = services.two.calculate(one)

  const three = services.three(redis)
  
  three.setNumber('TWO', two)
})()

lib-src-one.js

module.exports = {
  one: class One {
    getNumberOne() {
      return 1
    }
  }
}

lib-src-three.js

module.exports = {
  three: (redis) => {
    return {
      setNumber: (key, data) => {
        if (typeof data === 'number') {
          redis.set(key, data)
        }
      }
    }
  }
}

lib-src-two.js

module.exports = {
  two: {
    validate: function validateTwoInput(input) {
      if (typeof input !== 'number') throw new Error('Input must be a number!')
    }
    calculate: (input) => {
      return 1 + input
    }
  }
}

services.js

module.exports = {
  ...require('lib/src/one'),
  ...require('lib/src/two'),
  ...require('lib/src/three'),
}