Files F101049211

parse.js
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Created: Wed, Feb 5, 05:11

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

	function parse(uuid) {
	if (!validate(uuid)) {
	throw TypeError('Invalid UUID');
	}

	let v;
	const arr = new Uint8Array(16); // Parse ########-....-....-....-............

	arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
	arr[1] = v >>> 16 & 0xff;
	arr[2] = v >>> 8 & 0xff;
	arr[3] = v & 0xff; // Parse ........-####-....-....-............

	arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
	arr[5] = v & 0xff; // Parse ........-....-####-....-............

	arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
	arr[7] = v & 0xff; // Parse ........-....-....-####-............

	arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
	arr[9] = v & 0xff; // Parse ........-....-....-....-############
	// (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)

	arr[10] = (v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000 & 0xff;
	arr[11] = v / 0x100000000 & 0xff;
	arr[12] = v >>> 24 & 0xff;
	arr[13] = v >>> 16 & 0xff;
	arr[14] = v >>> 8 & 0xff;
	arr[15] = v & 0xff;
	return arr;
	}

	export default parse;

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