moy-fp/src/List/zip.js

A functional programming library.

import curry from '../Function/curry'

/**
 * [b] -> [a] -> [[a, b]]
 */
const zip = curry(
  (list2, list1) => {
    const list = [],
          length = Math.min(list1.length, list2.length)
    let index = 0
    while(index < length){
      list.push([list1[index], list2[index ++]])
    }
    return list
  }
)

export default zip