"use strict";
var UUID = (function () {
    function UUID() {
        // no-op
    }
    UUID["UUID"] = function () {
        if (typeof (window) !== "undefined" && typeof (window.crypto) !== "undefined" && typeof (window.crypto.getRandomValues) !== "undefined") {
              var buf = new Uint16Array(8);
            window.crypto.getRandomValues(buf);
            return (this.pad4(buf[0]) + this.pad4(buf[1]) + "-" + this.pad4(buf[2]) + "-" + this.pad4(buf[3]) + "-" + this.pad4(buf[4]) + "-" + this.pad4(buf[5]) + this.pad4(buf[6]) + this.pad4(buf[7]));
        }
        else {
               return this.random4() + this.random4() + "-" + this.random4() + "-" + this.random4() + "-" +
                this.random4() + "-" + this.random4() + this.random4() + this.random4();
        }
    };
    UUID["pad4"] = function (num) {
        var ret = num.toString(16);
        while (ret.length < 4) {
            ret = "0" + ret;
        }
        return ret;
    };
    UUID["random4"] = function () {
        return Math.floor((1 + Math.random()) * 0x10000)
            .toString(16)
            .substring(1);
    };
    return UUID;
}());
exports.UUID = UUID;
