增加mqtt

node_modules/ws/lib/Validation.js

@@ -1,17 +0,0 @@
-/*!
- * ws: a node.js websocket client
- * Copyright(c) 2011 Einar Otto Stangvik <einaros@gmail.com>
- * MIT Licensed
- */
-
-'use strict';
-
-try {
-  const isValidUTF8 = require('utf-8-validate');
-
-  module.exports = typeof isValidUTF8 === 'object'
-    ? isValidUTF8.Validation.isValidUTF8 // utf-8-validate@<3.0.0
-    : isValidUTF8;
-} catch (e) /* istanbul ignore next */ {
-  module.exports = () => true;
-}