vue hello world项目
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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;