Prefer const over let in build config files

build/webpack.common.js

@@ -1,11 +1,11 @@
 /* eslint-disable no-useless-escape */
 
-let path = require('path')
-let MiniCssExtractPlugin = require('mini-css-extract-plugin')
-let HtmlWebpackPlugin = require('html-webpack-plugin')
-let Dotenv = require('dotenv-webpack')
-let webpack = require('webpack')
-let { VueLoaderPlugin } = require('vue-loader')
+const path = require('path')
+const MiniCssExtractPlugin = require('mini-css-extract-plugin')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const Dotenv = require('dotenv-webpack')
+const webpack = require('webpack')
+const { VueLoaderPlugin } = require('vue-loader')
 
 function resolve (dir) {
  return path.join(__dirname, '..', dir)

build/webpack.dev.js

@@ -1,5 +1,5 @@
-let merge = require('webpack-merge')
-let common = require('./webpack.common.js')
+const merge = require('webpack-merge')
+const common = require('./webpack.common.js')
 
 module.exports = merge(common, {
  devtool: '#cheap-module-eval-source-map'

build/webpack.prod.js

@@ -1,14 +1,14 @@
 /* eslint-disable no-useless-escape */
 
-let path = require('path')
-let glob = require('glob-all')
-let webpack = require('webpack')
-let merge = require('webpack-merge')
-let PurgecssPlugin = require('purgecss-webpack-plugin')
-let HtmlWebpackPlugin = require('html-webpack-plugin')
-let CleanWebpackPlugin = require('clean-webpack-plugin')
-let CopyWebpackPlugin = require('copy-webpack-plugin')
-let common = require('./webpack.common.js')
+const path = require('path')
+const glob = require('glob-all')
+const webpack = require('webpack')
+const merge = require('webpack-merge')
+const PurgecssPlugin = require('purgecss-webpack-plugin')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const CleanWebpackPlugin = require('clean-webpack-plugin')
+const CopyWebpackPlugin = require('copy-webpack-plugin')
+const common = require('./webpack.common.js')
 
 class TailwindExtractor {
  static extract (content) {