chunk

/**
 * @param {Array} array The array to process.
 * @param {number} [size=1] The length of each chunk
 * @returns {Array} Returns the new array of chunks.
 */

function chunk(array, size) {
    size = Math.max(size, 0);
    const length = array == null ? 0 : array.length;
    if (!length || size < 1) {
        return [];
    }
    let index = 0;
    let resIndex = 0;
    const result = new Array(Math.ceil(length / size));

    while (index < length) {
        result[resIndex++] = slice(array, index, (index += size));
    }
    return result;
}