/**
 * Chunks array into equally large sizes as far as it's possible
 *
 * Example chunkArray([1,2,3,4,5,6,7,8,9,10,11], 3)
 * Returns [[1,2,3,4],[5,6,7,8],[9,10,11]]
 */
function chunkArray(array, size) {
    if (size < 2) return array

    let len = array.length
    let chunks = []
    let i = 0
    let n

    if (len % size === 0) {
        n = Math.floor(len / size)
        while (i < len) {
            chunks.push(array.slice(i, i += n))
        }
    } else {
        while (i < len) {
            n = Math.ceil((len - i) / size--)
            chunks.push(array.slice(i, i += n))
        }
    }

    return chunks
}