fast-map
Functionally the same as Array.prototype.map()
but 5-6x faster by using structuredClone
to copy the array.
const fastMap = require('fast-map')
const array = [1, 2, 3, 4]
const newArray = fastMap(array, (num) => num * 2)
// [2, 4, 6, 8]
console.log(newArray)