@pkerschbaum/code-oss-file-service
Version:
VS Code ([microsoft/vscode](https://github.com/microsoft/vscode)) includes a rich "`FileService`" and "`DiskFileSystemProvider`" abstraction built on top of Node.js core modules (`fs`, `path`) and Electron's `shell` module. This package allows to use that
65 lines • 2.33 kB
JavaScript
;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateUuid = exports.isUUID = void 0;
const _UUIDPattern = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
function isUUID(value) {
return _UUIDPattern.test(value);
}
exports.isUUID = isUUID;
// prep-work
const _data = new Uint8Array(16);
const _hex = [];
for (let i = 0; i < 256; i++) {
_hex.push(i.toString(16).padStart(2, '0'));
}
// todo@jrieken - with node@15 crypto#getRandomBytes is available everywhere, https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues#browser_compatibility
let _fillRandomValues;
if (typeof crypto === 'object' && typeof crypto.getRandomValues === 'function') {
// browser
_fillRandomValues = crypto.getRandomValues.bind(crypto);
}
else {
_fillRandomValues = function (bucket) {
for (let i = 0; i < bucket.length; i++) {
bucket[i] = Math.floor(Math.random() * 256);
}
return bucket;
};
}
function generateUuid() {
// get data
_fillRandomValues(_data);
// set version bits
_data[6] = (_data[6] & 0x0f) | 0x40;
_data[8] = (_data[8] & 0x3f) | 0x80;
// print as string
let i = 0;
let result = '';
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += '-';
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += '-';
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += '-';
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += '-';
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += _hex[_data[i++]];
result += _hex[_data[i++]];
return result;
}
exports.generateUuid = generateUuid;
//# sourceMappingURL=uuid.js.map