orange-orm/orange-sync-demo/client/node_modules/orange-orm/src/randomUuid.js

Object Relational Mapper

function randomUuid() {
	const crypto = typeof globalThis !== 'undefined' && globalThis.crypto;
	if (crypto && typeof crypto.randomUUID === 'function')
		return crypto.randomUUID();

	const bytes = new Uint8Array(16);
	if (crypto && typeof crypto.getRandomValues === 'function') {
		crypto.getRandomValues(bytes);
	}
	else {
		for (let i = 0; i < bytes.length; i++) {
			bytes[i] = Math.floor(Math.random() * 256);
		}
	}

	bytes[6] = (bytes[6] & 0x0f) | 0x40;
	bytes[8] = (bytes[8] & 0x3f) | 0x80;

	const hex = [];
	for (let i = 0; i < 256; i++) {
		hex[i] = (i + 0x100).toString(16).slice(1);
	}
	return [
		hex[bytes[0]], hex[bytes[1]], hex[bytes[2]], hex[bytes[3]], '-',
		hex[bytes[4]], hex[bytes[5]], '-',
		hex[bytes[6]], hex[bytes[7]], '-',
		hex[bytes[8]], hex[bytes[9]], '-',
		hex[bytes[10]], hex[bytes[11]], hex[bytes[12]], hex[bytes[13]], hex[bytes[14]], hex[bytes[15]]
	].join('');
}

module.exports = randomUuid;