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'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)
);
};