4 const isValidUTF8 = require('utf-8-validate');
6 exports.isValidUTF8 = typeof isValidUTF8 === 'object'
7 ? isValidUTF8.Validation.isValidUTF8 // utf-8-validate@<3.0.0
9 } catch (e) /* istanbul ignore next */ {
10 exports.isValidUTF8 = () => true;
14 * Checks if a status code is allowed in a close frame.
16 * @param {Number} code The status code
17 * @return {Boolean} `true` if the status code is valid, else `false`
20 exports.isValidStatusCode = (code) => {
27 (code >= 3000 && code <= 4999)