jquery SKU算法

var data = [
	['蓝色', '红色'],
	['39', '38', '37', '36'],
	['纯棉', '涤纶', '亚麻'],
];
var result = formatSkuData(data);
console.log(result);

// [
//     ["蓝色","39","纯棉"],
//     ["蓝色","39","涤纶"],
//     ["蓝色","39","亚麻"],
//     ["蓝色","38","纯棉"],
//     ["蓝色","38","涤纶"],
//     ["蓝色","38","亚麻"],
//     ["蓝色","37","纯棉"],
//     ["蓝色","37","涤纶"],
//     ["蓝色","37","亚麻"],
//     ["蓝色","36","纯棉"],
//     ["蓝色","36","涤纶"],
//     ["蓝色","36","亚麻"],
//     ["红色","39","纯棉"],
//     ["红色","39","涤纶"],
//     ["红色","39","亚麻"],
//     ["红色","38","纯棉"],
//     ["红色","38","涤纶"],
//     ["红色","38","亚麻"],
//     ["红色","37","纯棉"],
//     ["红色","37","涤纶"],
//     ["红色","37","亚麻"],
//     ["红色","36","纯棉"],
//     ["红色","36","涤纶"],
//     ["红色","36","亚麻"],
// ]

var formatSkuData = function (orignal) {
    if (!$.isArray(orignal)) {
        return [];
    }

    if (orignal.length == 0) {
        return [];
    }

    if (orignal.length < 2) {
        let targetTmp = orignal.shift()
        return $.isArray(targetTmp) ? targetTmp : [];
    }

    var target = orignal.shift();
    target = $.isArray(target) ? target : [];
    var tmp = orignal.shift();
    var invalideParam = false;

    while ($.isArray(tmp) && tmp.length != 0) {

        var targetTmp = [];
        $.each(target, function (key, value) {
            $.each(tmp, function (k, v) {
                targetTmp.push($.merge($.makeArray(value), [v]));
            })
        })

        target = targetTmp;
        tmp = orignal.shift();
    }

    return target;
}