Segment Array

segment-array.ts

function segmentArray<T>(arrayToSegment: T[], segmentSize: number): T[][] {
  const segmentedArray = arrayToSegment.reduce(
    (segments, item) => {
      const newSegments: any[] = [...segments]

      if (newSegments[newSegments.length - 1].length === segmentSize) {
        newSegments[newSegments.length] = [item]
      } else {
        newSegments[newSegments.length - 1].push(item)
      }

      return newSegments
    },
    [[]],
  )

  return segmentedArray
}