chore(deps): upgrade webpack and friends

.nvmrc

@@ -0,0 +1 @@
+10.21.0

package.json

@@ -276,10 +276,10 @@
     "babel-eslint": "^9.0.0",
     "babel-loader": "^8.0.4",
     "bootstrap": "^4.4.1",
-    "clean-webpack-plugin": "^1.0.0",
+    "clean-webpack-plugin": "^3.0.0",
     "conventional-changelog-cli": "^2.0.21",
     "conventional-recommended-bump": "^0.3.0",
-    "copy-webpack-plugin": "^4.6.0",
+    "copy-webpack-plugin": "^6.0.2",
     "coveralls": "^2.11.12",
     "cross-env": "^2.0.0",
     "css-loader": "^2.1.0",
@@ -315,8 +315,8 @@
     "rollup-plugin-replace": "^2.1.0",
     "static-site-generator-webpack-plugin": "^3.4.2",
     "style-loader": "^0.23.1",
-    "webpack": "^4.28.3",
-    "webpack-cli": "^3.1.2",
-    "webpack-dev-server": "^3.1.14"
+    "webpack": "^4.43.0",
+    "webpack-cli": "^3.3.12",
+    "webpack-dev-server": "^3.11.0"
   }
 }

webpack.docs.config.js

@@ -2,7 +2,7 @@
 const path = require('path');
 const webpack = require('webpack');
 const StaticSiteGeneratorPlugin = require('static-site-generator-webpack-plugin');
-const CleanWebpackPlugin = require('clean-webpack-plugin');
+const { CleanWebpackPlugin } = require('clean-webpack-plugin');
 const CopyWebpackPlugin = require('copy-webpack-plugin');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 
@@ -68,8 +68,10 @@ const config = {
     // globalObject: '(typeof self !== \'undefined\' ? self : this)'
   },
   plugins: [
-    new CleanWebpackPlugin(['build']),
-    new CopyWebpackPlugin([{ from: './docs/static', to: 'assets' }]),
+    new CleanWebpackPlugin(),
+    new CopyWebpackPlugin({
+      patterns: [{ from: './docs/static', to: 'assets' }]
+    }),
     new webpack.DefinePlugin({
       'process.env.NODE_ENV': JSON.stringify(env)
     }),