one-line-items.js

/**
 * Get all items starting from the passed index that are located in the same top line.
 * @param {jQuery} $items - List of elements.
 * @param {Number} index - Index of the first element.
 * @returns {Array|undefined} Found items.
 */
getLineItems: function ($items, index) {
    var $first = $items.eq(index);
    var items = [$first];
    var $next, getNext, top;
    if (!$first.length) {
        return void 0;
    }
    top = $first.offset().top;
    getNext = function () {
        var $item = $items.eq(index + items.length);
        if ($item.length && top === $item.offset().top) {
            return $item;
        }
        return void 0;
    };
    while (($next = getNext()) !== void 0) {
        items.push($next);
    }
    return items;
}