[6a3a178] | 1 | import stringify from './stringify.js';
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| 2 | import parse from './parse.js';
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| 3 |
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| 4 | function stringToBytes(str) {
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| 5 | str = unescape(encodeURIComponent(str)); // UTF8 escape
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| 6 |
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| 7 | var bytes = [];
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| 8 |
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| 9 | for (var i = 0; i < str.length; ++i) {
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| 10 | bytes.push(str.charCodeAt(i));
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| 11 | }
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| 12 |
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| 13 | return bytes;
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| 14 | }
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| 15 |
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| 16 | export var DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
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| 17 | export var URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
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| 18 | export default function (name, version, hashfunc) {
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| 19 | function generateUUID(value, namespace, buf, offset) {
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| 20 | if (typeof value === 'string') {
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| 21 | value = stringToBytes(value);
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| 22 | }
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| 23 |
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| 24 | if (typeof namespace === 'string') {
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| 25 | namespace = parse(namespace);
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| 26 | }
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| 27 |
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| 28 | if (namespace.length !== 16) {
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| 29 | throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
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| 30 | } // Compute hash of namespace and value, Per 4.3
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| 31 | // Future: Use spread syntax when supported on all platforms, e.g. `bytes =
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| 32 | // hashfunc([...namespace, ... value])`
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| 33 |
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| 34 |
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| 35 | var bytes = new Uint8Array(16 + value.length);
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| 36 | bytes.set(namespace);
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| 37 | bytes.set(value, namespace.length);
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| 38 | bytes = hashfunc(bytes);
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| 39 | bytes[6] = bytes[6] & 0x0f | version;
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| 40 | bytes[8] = bytes[8] & 0x3f | 0x80;
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| 41 |
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| 42 | if (buf) {
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| 43 | offset = offset || 0;
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| 44 |
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| 45 | for (var i = 0; i < 16; ++i) {
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| 46 | buf[offset + i] = bytes[i];
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| 47 | }
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| 48 |
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| 49 | return buf;
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| 50 | }
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| 51 |
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| 52 | return stringify(bytes);
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| 53 | } // Function#name is not settable on some platforms (#270)
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| 54 |
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| 55 |
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| 56 | try {
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| 57 | generateUUID.name = name; // eslint-disable-next-line no-empty
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| 58 | } catch (err) {} // For CommonJS default export support
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| 59 |
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| 60 |
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| 61 | generateUUID.DNS = DNS;
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| 62 | generateUUID.URL = URL;
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| 63 | return generateUUID;
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| 64 | } |
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