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