增加mqtt

node_modules/is-windows/index.js

@@ -1,27 +0,0 @@
-/*!
- * is-windows <https://github.com/jonschlinkert/is-windows>
- *
- * Copyright © 2015-2018, Jon Schlinkert.
- * Released under the MIT License.
- */
-
-(function(factory) {
-  if (exports && typeof exports === 'object' && typeof module !== 'undefined') {
-    module.exports = factory();
-  } else if (typeof define === 'function' && define.amd) {
-    define([], factory);
-  } else if (typeof window !== 'undefined') {
-    window.isWindows = factory();
-  } else if (typeof global !== 'undefined') {
-    global.isWindows = factory();
-  } else if (typeof self !== 'undefined') {
-    self.isWindows = factory();
-  } else {
-    this.isWindows = factory();
-  }
-})(function() {
-  'use strict';
-  return function isWindows() {
-    return process && (process.platform === 'win32' || /^(msys|cygwin)$/.test(process.env.OSTYPE));
-  };
-});