feat: remove the need of buyan logger in src/index.js

as buyan can not be consumed by webpack

Author: lygstate

bin/index.js

@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 
+const buyan = require('bunyan');
 const yargs = require('yargs');
 const path = require('path');
 
@@ -131,6 +132,7 @@ function startFtpServer(_state) {
   }
 
   const ftpServer = new FtpSrv({
+    log: buyan.createLogger({name: 'ftp-srv'}),
     url: _state.url,
     pasv_url: _state.pasv_url,
     pasv_min: _state.pasv_min,

src/index.js

@@ -1,7 +1,6 @@
 const _ = require('lodash');
 const Promise = require('bluebird');
 const nodeUrl = require('url');
-const buyan = require('bunyan');
 const net = require('net');
 const tls = require('tls');
 const EventEmitter = require('events');
@@ -13,7 +12,7 @@ class FtpServer extends EventEmitter {
   constructor(options = {}) {
     super();
     this.options = Object.assign({
-      log: buyan.createLogger({name: 'ftp-srv'}),
+      log: console,
       url: 'ftp://127.0.0.1:21',
       pasv_min: 1024,
       pasv_max: 65535,