File Metadata

v35.js
View Options

	import stringify from './stringify.js';
	import parse from './parse.js';

	function stringToBytes(str) {
	str = unescape(encodeURIComponent(str)); // UTF8 escape

	const bytes = [];

	for (let i = 0; i < str.length; ++i) {
	bytes.push(str.charCodeAt(i));
	}

	return bytes;
	}

	export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
	export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
	export default function (name, version, hashfunc) {
	function generateUUID(value, namespace, buf, offset) {
	if (typeof value === 'string') {
	value = stringToBytes(value);
	}

	if (typeof namespace === 'string') {
	namespace = parse(namespace);
	}

	if (namespace.length !== 16) {
	throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
	} // Compute hash of namespace and value, Per 4.3
	// Future: Use spread syntax when supported on all platforms, e.g. `bytes =
	// hashfunc([...namespace, ... value])`


	let bytes = new Uint8Array(16 + value.length);
	bytes.set(namespace);
	bytes.set(value, namespace.length);
	bytes = hashfunc(bytes);
	bytes[6] = bytes[6] & 0x0f \| version;
	bytes[8] = bytes[8] & 0x3f \| 0x80;

	if (buf) {
	offset = offset \|\| 0;

	for (let i = 0; i < 16; ++i) {
	buf[offset + i] = bytes[i];
	}

	return buf;
	}

	return stringify(bytes);
	} // Function#name is not settable on some platforms (#270)


	try {
	generateUUID.name = name; // eslint-disable-next-line no-empty
	} catch (err) {} // For CommonJS default export support


	generateUUID.DNS = DNS;
	generateUUID.URL = URL;
	return generateUUID;
	}