moy-fp/src/List/aperture.js

A functional programming library.

import curry from '../Function/curry'

/**
 * Number -> [a] -> [[a]]
 */
const aperture = curry(
  (n, array) => {
    const limit = array.length - n + 1,
          list = [];
    for(let index = 0; index < limit; index ++){
      list.push(array.slice(index, index + n))
    }
    return list
  }
)

export default aperture