增加mqtt

node_modules/is-relative/index.js

@@ -1,12 +0,0 @@
-'use strict';
-
-var isUncPath = require('is-unc-path');
-
-module.exports = function isRelative(filepath) {
-  if (typeof filepath !== 'string') {
-    throw new TypeError('expected filepath to be a string');
-  }
-
-  // Windows UNC paths are always considered to be absolute.
-  return !isUncPath(filepath) && !/^([a-z]:)?[\\\/]/i.test(filepath);
-};