dotfiles/vscode/.vscode/extensions/randomfractalsinc.vscode-data-preview-2.3.0/node_modules/bson/lib/uuid.js
Errol Sancaktar ff17c17e23 vscode
2024-06-14 09:31:58 -06:00

48 lines
1.8 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseUUID = void 0;
/**
* UUID regular expression pattern copied from `uuid` npm module.
* @see https://github.com/uuidjs/uuid/blob/master/src/regex.js
*/
const UUID_RX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
/**
* Parser function copied from `uuid` npm module.
* @see https://github.com/uuidjs/uuid/blob/master/src/parse.js
* @internal
*/
function parseUUID(uuid) {
if (typeof uuid !== 'string') {
throw new TypeError('Invalid type for UUID, expected string but got ' + typeof uuid);
}
if (!UUID_RX.test(uuid)) {
throw new TypeError('Invalid format for UUID: ' + 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;
}
exports.parseUUID = parseUUID;
//# sourceMappingURL=uuid.js.map