Upgrade npm deps

package.json

@@ -45,13 +45,13 @@
     "babel-jest": "^24.1.0",
     "babel-loader": "^8.0.5",
     "bootstrap": "^4.2.1",
-    "clean-webpack-plugin": "^1.0.1",
+    "clean-webpack-plugin": "^3.0.0",
     "cross-env": "^5.2.0",
-    "css-loader": "^2.1.0",
-    "file-loader": "^3.0.1",
+    "css-loader": "^3.0.0",
+    "file-loader": "^4.0.0",
     "html-webpack-plugin": "^3.2.0",
     "jest": "^24.1.0",
-    "mini-css-extract-plugin": "^0.5.0",
+    "mini-css-extract-plugin": "^0.7.0",
     "style-loader": "^0.23.1",
     "unminified-webpack-plugin": "^2.0.0",
     "vee-validate": "^2.1.7",

webpack.config.dev.js

@@ -5,7 +5,7 @@ const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const {VueLoaderPlugin} = require('vue-loader');
 const MiniCssExtractPlugin = require("mini-css-extract-plugin");
-const CleanWebpackPlugin = require("clean-webpack-plugin");
+const {CleanWebpackPlugin} = require("clean-webpack-plugin");
 const TerserPlugin = require('terser-webpack-plugin');
 
 const isProduction = process.env.NODE_ENV === 'production';
@@ -135,7 +135,7 @@ module.exports = {
 
 if (isProduction) {
   module.exports.plugins.push(
-    new CleanWebpackPlugin(['docs']),
+    new CleanWebpackPlugin(),
     new MiniCssExtractPlugin({
       filename: 'css/[name]-[hash].css',
     }),

webpack.config.js

@@ -2,7 +2,7 @@
 
 const webpack = require('webpack');
 const path = require('path');
-const CleanWebpackPlugin = require('clean-webpack-plugin');
+const {CleanWebpackPlugin} = require('clean-webpack-plugin');
 const UnminifiedWebpackPlugin = require('unminified-webpack-plugin');
 const TerserPlugin = require('terser-webpack-plugin');
 const {VueLoaderPlugin} = require('vue-loader');
@@ -70,7 +70,7 @@ module.exports = {
     ]
   },
   plugins: [
-    new CleanWebpackPlugin(['./dist']),
+    new CleanWebpackPlugin(),
     new UnminifiedWebpackPlugin(),
     new VueLoaderPlugin(),
   ],