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| import parse from './parse.js'; | |
| import { unsafeStringify } from './stringify.js'; | |
| export function stringToBytes(str) { | |
| str = unescape(encodeURIComponent(str)); | |
| const bytes = new Uint8Array(str.length); | |
| for (let i = 0; i < str.length; ++i) { | |
| bytes[i] = str.charCodeAt(i); | |
| } | |
| return bytes; | |
| } | |
| export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; | |
| export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; | |
| export default function v35(version, hash, value, namespace, buf, offset) { | |
| const valueBytes = typeof value === 'string' ? stringToBytes(value) : value; | |
| const namespaceBytes = typeof namespace === 'string' ? parse(namespace) : namespace; | |
| if (typeof namespace === 'string') { | |
| namespace = parse(namespace); | |
| } | |
| if (namespace?.length !== 16) { | |
| throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)'); | |
| } | |
| let bytes = new Uint8Array(16 + valueBytes.length); | |
| bytes.set(namespaceBytes); | |
| bytes.set(valueBytes, namespaceBytes.length); | |
| bytes = hash(bytes); | |
| bytes[6] = (bytes[6] & 0x0f) | version; | |
| bytes[8] = (bytes[8] & 0x3f) | 0x80; | |
| if (buf) { | |
| offset ??= 0; | |
| if (offset < 0 || offset + 16 > buf.length) { | |
| throw new RangeError(`UUID byte range ${offset}:${offset + 15} is out of buffer bounds`); | |
| } | |
| for (let i = 0; i < 16; ++i) { | |
| buf[offset + i] = bytes[i]; | |
| } | |
| return buf; | |
| } | |
| return unsafeStringify(bytes); | |
| } | |