General purpose JavaScript compose function

compose.js

/**
 * compose.js: compose function & usage
 *
 * Copyright 2017 Sudaraka Wijesinghe <[email protected]>
 *
 * This program comes with ABSOLUTELY NO WARRANTY;
 * This is free software, and you are welcome to redistribute it and/or modify
 * it under the terms of the BSD 2-clause License. See the LICENSE file for more
 * details.
 *
 */

const
  compose = (...composableFunctions) =>
    (...argumentsOfComposedFunction) => composableFunctions
    .reduceRight(
      // return result as an Array to be spread in next call
      (args, f) => [ f(...args) ],
      argumentsOfComposedFunction
    )
    .pop()

// Usage

const
  add = a => b => a + b,
  add1 = add(1),
  multiply = a => b => a * b

console.log(
  compose(add1, multiply(5))(10)
)
// 51

console.log(
  compose(multiply(5), add1)(10)
)
// 55