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2.01 kBJavaScriptView Raw
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4 value: true
5});
6exports.default = _default;
7exports.URL = exports.DNS = void 0;
8
9var _stringify = _interopRequireDefault(require("./stringify.js"));
10
11var _parse = _interopRequireDefault(require("./parse.js"));
12
13function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
14
15function stringToBytes(str) {
16 str = unescape(encodeURIComponent(str)); // UTF8 escape
17
18 const bytes = [];
19
20 for (let i = 0; i < str.length; ++i) {
21 bytes.push(str.charCodeAt(i));
22 }
23
24 return bytes;
25}
26
27const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
28exports.DNS = DNS;
29const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
30exports.URL = URL;
31
32function _default(name, version, hashfunc) {
33 function generateUUID(value, namespace, buf, offset) {
34 if (typeof value === 'string') {
35 value = stringToBytes(value);
36 }
37
38 if (typeof namespace === 'string') {
39 namespace = (0, _parse.default)(namespace);
40 }
41
42 if (namespace.length !== 16) {
43 throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
44 } // Compute hash of namespace and value, Per 4.3
45 // Future: Use spread syntax when supported on all platforms, e.g. `bytes =
46 // hashfunc([...namespace, ... value])`
47
48
49 let bytes = new Uint8Array(16 + value.length);
50 bytes.set(namespace);
51 bytes.set(value, namespace.length);
52 bytes = hashfunc(bytes);
53 bytes[6] = bytes[6] & 0x0f | version;
54 bytes[8] = bytes[8] & 0x3f | 0x80;
55
56 if (buf) {
57 offset = offset || 0;
58
59 for (let i = 0; i < 16; ++i) {
60 buf[offset + i] = bytes[i];
61 }
62
63 return buf;
64 }
65
66 return (0, _stringify.default)(bytes);
67 } // Function#name is not settable on some platforms (#270)
68
69
70 try {
71 generateUUID.name = name; // eslint-disable-next-line no-empty
72 } catch (err) {} // For CommonJS default export support
73
74
75 generateUUID.DNS = DNS;
76 generateUUID.URL = URL;
77 return generateUUID;
78}
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