Don't really need Terser plugin

Terser already bundled into Webpack >=4

Author: philwareham

README.md

@@ -2,8 +2,7 @@
 
 **Currently under development.**
 
-[![Build Status](https://travis-ci.org/philwareham/textpattern-bootstrap.svg)](https://travis-ci.org/philwareham/textpattern-bootstrap)
-
+[![Build Status](https://travis-ci.com/philwareham/textpattern-bootstrap.svg)](https://travis-ci.com/philwareham/textpattern-bootstrap)
 [Demo](https://bootstrap.philwareham.co.uk/).
 
 Textpattern templates for use with [Bootstrap](https://getbootstrap.com/) v5.

package.json

@@ -25,7 +25,6 @@
     "postcss-loader": "3.0.0",
     "sass": "1.32.5",
     "sass-loader": "10.1.1",
-    "terser-webpack-plugin": "5.1.1",
     "webpack": "5.18.0",
     "webpack-cli": "4.4.0"
   },

webpack.config.js

@@ -4,10 +4,10 @@ const fs = require('fs');
 const { CleanWebpackPlugin } = require('clean-webpack-plugin');
 const CopyWebpackPlugin = require('copy-webpack-plugin');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
-const TerserPlugin = require('terser-webpack-plugin');
 const webpack = require('webpack');
 
 module.exports = {
+    mode: 'production',
     entry: [
         './js/app.js',
         './scss/app.scss',
@@ -20,8 +20,7 @@ module.exports = {
         hints: false
     },
     optimization: {
-        minimize: true,
-        minimizer: [new TerserPlugin()]
+        minimize: true
     },
     plugins: [
         new CleanWebpackPlugin(),