clean code

lib/crowi/dev.js

@@ -1,11 +1,9 @@
 const debug = require('debug')('crowi:crowi:dev');
 const fs = require('fs');
 const path = require('path');
-const webpack = require('webpack');
-const helpers = require('./helpers');
 
 const swig = require('swig-templates');
-const onHeaders = require('on-headers')
+const onHeaders = require('on-headers');
 
 
 class CrowiDev {
@@ -29,7 +27,9 @@ class CrowiDev {
 
   initPromiseRejectionWarningHandler() {
     // https://qiita.com/syuilo/items/0800d7e44e93203c7285
+    /* eslint-disable no-console */
     process.on('unhandledRejection', console.dir);
+    /* eslint-enable */
   }
 
   initSwig() {
@@ -103,4 +103,4 @@ class CrowiDev {
   }
 }
 
-module.exports = CrowiDev
+module.exports = CrowiDev;