--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/src/js/Uuid.js	Tue Jun 26 19:35:44 2018 +0300
@@ -0,0 +1,278 @@
+//     uuid.js
+//
+//     Copyright (c) 2010-2012 Robert Kieffer
+//     MIT License - http://opensource.org/licenses/mit-license.php
+define([], function () {
+    'use strict';
+
+    var _window = 'undefined' !== typeof window ? window : null;
+
+    // Unique ID creation requires a high quality random # generator. We
+    // feature
+    // detect to determine the best RNG source, normalizing to a function
+    // that
+    // returns 128-bits of randomness, since that's what's usually required
+    var _rng, _mathRNG, _nodeRNG, _whatwgRNG, _previousRoot;
+
+    function setupBrowser() {
+        // Allow for MSIE11 msCrypto
+        var _crypto = _window.crypto || _window.msCrypto;
+
+        if (!_rng && _crypto && _crypto.getRandomValues) {
+            // WHATWG crypto-based RNG - http://wiki.whatwg.org/wiki/Crypto
+            //
+            // Moderately fast, high quality
+            try {
+                var _rnds8 = new Uint8Array(16);
+                _whatwgRNG = _rng = function whatwgRNG() {
+                    _crypto.getRandomValues(_rnds8);
+                    return _rnds8;
+                };
+                _rng();
+            } catch (e) { /**/ }
+        }
+
+        if (!_rng) {
+            // Math.random()-based (RNG)
+            //
+            // If all else fails, use Math.random(). It's fast, but is of
+            // unspecified
+            // quality.
+            var _rnds = new Array(16);
+            _mathRNG = _rng = function () {
+                for (var i = 0, r; i < 16; i++) {
+                    if ((i & 0x03) === 0) {
+                        r = Math.random() * 0x100000000;
+                    }
+                    _rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
+                }
+
+                return _rnds;
+            };
+            if ('undefined' !== typeof console && console.warn) {
+                console
+                    .warn("[SECURITY] node-uuid: crypto not usable, falling back to insecure Math.random()");
+            }
+        }
+    }
+
+    function setupNode() {
+        // Node.js crypto-based RNG -
+        // http://nodejs.org/docs/v0.6.2/api/crypto.html
+        //
+        // Moderately fast, high quality
+        if ('function' === typeof require) {
+            try {
+                var _rb = require('crypto').randomBytes;
+                _nodeRNG = _rng = _rb && function () {
+                    return _rb(16);
+                };
+                _rng();
+            } catch (e) { /**/ }
+        }
+    }
+
+    if (_window) {
+        setupBrowser();
+    } else {
+        setupNode();
+    }
+
+    // Buffer class to use
+    var BufferClass = ('function' === typeof Buffer) ? Buffer : Array;
+
+    // Maps for number <-> hex string conversion
+    var _byteToHex = [];
+    var _hexToByte = {};
+    for (var i = 0; i < 256; i++) {
+        _byteToHex[i] = (i + 0x100).toString(16).substr(1);
+        _hexToByte[_byteToHex[i]] = i;
+    }
+
+    // **`parse()` - Parse a UUID into it's component bytes**
+    function parse(s, buf, offset) {
+        var i = (buf && offset) || 0,
+            ii = 0;
+
+        buf = buf || [];
+        s.toLowerCase().replace(/[0-9a-f]{2}/g, function (oct) {
+            if (ii < 16) { // Don't overflow!
+                buf[i + ii++] = _hexToByte[oct];
+            }
+        });
+
+        // Zero out remaining bytes if string was short
+        while (ii < 16) {
+            buf[i + ii++] = 0;
+        }
+
+        return buf;
+    }
+
+    // **`unparse()` - Convert UUID byte array (ala parse()) into a string**
+    function unparse(buf, offset) {
+        var i = offset || 0,
+            bth = _byteToHex;
+        return bth[buf[i++]] + bth[buf[i++]] + bth[buf[i++]] +
+            bth[buf[i++]] + '-' + bth[buf[i++]] + bth[buf[i++]] + '-' +
+            bth[buf[i++]] + bth[buf[i++]] + '-' + bth[buf[i++]] +
+            bth[buf[i++]] + '-' + bth[buf[i++]] + bth[buf[i++]] +
+            bth[buf[i++]] + bth[buf[i++]] + bth[buf[i++]] + bth[buf[i++]];
+    }
+
+    // **`v1()` - Generate time-based UUID**
+    //
+    // Inspired by https://github.com/LiosK/UUID.js
+    // and http://docs.python.org/library/uuid.html
+
+    // random #'s we need to init node and clockseq
+    var _seedBytes = _rng();
+
+    // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit =
+    // 1)
+    var _nodeId = [
+        _seedBytes[0] | 0x01,
+        _seedBytes[1],
+        _seedBytes[2],
+        _seedBytes[3],
+        _seedBytes[4],
+        _seedBytes[5]
+    ];
+
+    // Per 4.2.2, randomize (14 bit) clockseq
+    var _clockseq = (_seedBytes[6] << 8 | _seedBytes[7]) & 0x3fff;
+
+    // Previous uuid creation time
+    var _lastMSecs = 0,
+        _lastNSecs = 0;
+
+    // See https://github.com/broofa/node-uuid for API details
+    function v1(options, buf, offset) {
+        var i = buf && offset || 0;
+        var b = buf || [];
+
+        options = options || {};
+
+        var clockseq = (options.clockseq != null) ? options.clockseq : _clockseq;
+
+        // UUID timestamps are 100 nano-second units since the Gregorian
+        // epoch,
+        // (1582-10-15 00:00). JSNumbers aren't precise enough for this, so
+        // time is handled internally as 'msecs' (integer milliseconds) and
+        // 'nsecs'
+        // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01
+        // 00:00.
+        var msecs = (options.msecs != null) ? options.msecs : new Date()
+            .getTime();
+
+        // Per 4.2.1.2, use count of uuid's generated during the current
+        // clock
+        // cycle to simulate higher resolution clock
+        var nsecs = (options.nsecs != null) ? options.nsecs : _lastNSecs + 1;
+
+        // Time since last uuid creation (in msecs)
+        var dt = (msecs - _lastMSecs) + (nsecs - _lastNSecs) / 10000;
+
+        // Per 4.2.1.2, Bump clockseq on clock regression
+        if (dt < 0 && options.clockseq == null) {
+            clockseq = clockseq + 1 & 0x3fff;
+        }
+
+        // Reset nsecs if clock regresses (new clockseq) or we've moved onto
+        // a new
+        // time interval
+        if ((dt < 0 || msecs > _lastMSecs) && options.nsecs == null) {
+            nsecs = 0;
+        }
+
+        // Per 4.2.1.2 Throw error if too many uuids are requested
+        if (nsecs >= 10000) {
+            throw new Error(
+                'uuid.v1(): Can\'t create more than 10M uuids/sec');
+        }
+
+        _lastMSecs = msecs;
+        _lastNSecs = nsecs;
+        _clockseq = clockseq;
+
+        // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+        msecs += 12219292800000;
+
+        // `time_low`
+        var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+        b[i++] = tl >>> 24 & 0xff;
+        b[i++] = tl >>> 16 & 0xff;
+        b[i++] = tl >>> 8 & 0xff;
+        b[i++] = tl & 0xff;
+
+        // `time_mid`
+        var tmh = (msecs / 0x100000000 * 10000) & 0xfffffff;
+        b[i++] = tmh >>> 8 & 0xff;
+        b[i++] = tmh & 0xff;
+
+        // `time_high_and_version`
+        b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+        b[i++] = tmh >>> 16 & 0xff;
+
+        // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+        b[i++] = clockseq >>> 8 | 0x80;
+
+        // `clock_seq_low`
+        b[i++] = clockseq & 0xff;
+
+        // `node`
+        var node = options.node || _nodeId;
+        for (var n = 0; n < 6; n++) {
+            b[i + n] = node[n];
+        }
+
+        return buf ? buf : unparse(b);
+    }
+
+    // **`v4()` - Generate random UUID**
+
+    // See https://github.com/broofa/node-uuid for API details
+    function v4(options, buf, offset) {
+        // Deprecated - 'format' argument, as supported in v1.2
+        var i = buf && offset || 0;
+
+        if (typeof (options) === 'string') {
+            buf = (options === 'binary') ? new BufferClass(16) : null;
+            options = null;
+        }
+        options = options || {};
+
+        var rnds = options.random || (options.rng || _rng)();
+
+        // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+        rnds[6] = (rnds[6] & 0x0f) | 0x40;
+        rnds[8] = (rnds[8] & 0x3f) | 0x80;
+
+        // Copy bytes to buffer, if provided
+        if (buf) {
+            for (var ii = 0; ii < 16; ii++) {
+                buf[i + ii] = rnds[ii];
+            }
+        }
+
+        return buf || unparse(rnds);
+    }
+
+    // Export public API
+    var uuid = function () {
+        return new String(v4());
+    };
+    uuid.v1 = v1;
+    uuid.v4 = v4;
+    uuid.create = v4;
+    uuid.empty = "00000000-0000-0000-0000-000000000000";
+    uuid.parse = parse;
+    uuid.unparse = unparse;
+    uuid.BufferClass = BufferClass;
+    uuid._rng = _rng;
+    uuid._mathRNG = _mathRNG;
+    uuid._nodeRNG = _nodeRNG;
+    uuid._whatwgRNG = _whatwgRNG;
+
+    return uuid;
+});
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