-'use strict';
-
-try {
- const isValidUTF8 = require('utf-8-validate');
-
- exports.isValidUTF8 = typeof isValidUTF8 === 'object'
- ? isValidUTF8.Validation.isValidUTF8 // utf-8-validate@<3.0.0
- : isValidUTF8;
-} catch (e) /* istanbul ignore next */ {
- exports.isValidUTF8 = () => true;
-}
-
-/**
- * Checks if a status code is allowed in a close frame.
- *
- * @param {Number} code The status code
- * @return {Boolean} `true` if the status code is valid, else `false`
- * @public
- */
-exports.isValidStatusCode = (code) => {
- return (
- (code >= 1000 &&
- code <= 1013 &&
- code !== 1004 &&
- code !== 1005 &&
- code !== 1006) ||
- (code >= 3000 && code <= 4999)
- );
-};