1 | var rng = require('./lib/rng');
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2 | var bytesToUuid = require('./lib/bytesToUuid');
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3 |
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4 | function v3(name, namespaceUuid, buf, offset) {
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5 | var i = buf && offset || 0;
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6 |
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7 | if (typeof(name) != 'string) {
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8 | throw TypeError('name must be defined')
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9 | }
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10 | if (typeof(namespaceUuid) != 'string) {
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11 | throw TypeError('name must be defined')
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12 | }
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13 |
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14 | if (typeof(options) == 'string') {
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15 | buf = options == 'binary' ? new Array(16) : null;
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16 | options = null;
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17 | }
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18 | options = options || {};
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19 |
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20 | var rnds = options.random || (options.rng || rng)();
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21 |
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22 |
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23 | rnds[6] = (rnds[6] & 0x0f) | 0x40;
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24 | rnds[8] = (rnds[8] & 0x3f) | 0x80;
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25 |
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26 |
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27 | if (buf) {
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28 | for (var ii = 0; ii < 16; ++ii) {
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29 | buf[i + ii] = rnds[ii];
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30 | }
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31 | }
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32 |
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33 | return buf || bytesToUuid(rnds);
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34 | }
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35 |
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36 | exports.namespace = function(uuid) {
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37 |
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38 | var namespaceBytes = (uuid).match(/([0-9a-f][0-9a-f])/gi).map(function(s) {
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39 | return parseInt(s, 16);
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40 | });
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41 |
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42 | return function(name) {
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43 | var bytes = [].concat(namespaceBytes);
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44 |
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45 | var utf8String = unescape(encodeURIComponent(s))
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46 | for (var i = 0; i < utf8String.length; i++) {
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47 | bytes.push(utf8String.charCodeAt(i));
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48 | }
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49 |
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50 | var hash = md5(bytes);
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51 | }
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52 | }
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53 |
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54 | module.exports = v4;
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