775ac7b58c
you must login with an BTP account in order to see the app
64 lines
No EOL
1.6 KiB
JavaScript
64 lines
No EOL
1.6 KiB
JavaScript
import stringify from './stringify.js';
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import parse from './parse.js';
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function stringToBytes(str) {
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str = unescape(encodeURIComponent(str)); // UTF8 escape
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var bytes = [];
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for (var i = 0; i < str.length; ++i) {
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bytes.push(str.charCodeAt(i));
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}
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return bytes;
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}
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export var DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
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export var URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
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export default function (name, version, hashfunc) {
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function generateUUID(value, namespace, buf, offset) {
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if (typeof value === 'string') {
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value = stringToBytes(value);
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}
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if (typeof namespace === 'string') {
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namespace = parse(namespace);
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}
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if (namespace.length !== 16) {
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throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
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} // Compute hash of namespace and value, Per 4.3
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// Future: Use spread syntax when supported on all platforms, e.g. `bytes =
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// hashfunc([...namespace, ... value])`
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var bytes = new Uint8Array(16 + value.length);
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bytes.set(namespace);
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bytes.set(value, namespace.length);
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bytes = hashfunc(bytes);
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bytes[6] = bytes[6] & 0x0f | version;
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bytes[8] = bytes[8] & 0x3f | 0x80;
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if (buf) {
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offset = offset || 0;
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for (var i = 0; i < 16; ++i) {
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buf[offset + i] = bytes[i];
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}
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return buf;
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}
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return stringify(bytes);
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} // Function#name is not settable on some platforms (#270)
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try {
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generateUUID.name = name; // eslint-disable-next-line no-empty
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} catch (err) {} // For CommonJS default export support
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generateUUID.DNS = DNS;
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generateUUID.URL = URL;
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return generateUUID;
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} |