Turn on terserOptions.safari10

client/package.json

@@ -54,6 +54,7 @@
     "webpack": "^4.25.1",
     "webpack-dev-middleware": "^3.4.0",
     "webpack-hot-middleware": "^2.24.3",
+    "webpack-plugin-hash-output": "^3.1.0",
     "workbox-webpack-plugin": "^3.6.3"
   },
   "dependencies": {

client/webpack.config.prod.js

@@ -4,6 +4,7 @@ var postcssPresetEnv = require('postcss-preset-env');
 var cssnano = require('cssnano');
 var TerserPlugin = require('terser-webpack-plugin');
 var { InjectManifest } = require('workbox-webpack-plugin');
+var HashOutputPlugin = require('webpack-plugin-hash-output');
 
 module.exports = {
   mode: 'production',
@@ -12,8 +13,8 @@ module.exports = {
     boot: './js/boot'
   },
   output: {
-    filename: '[name].[chunkhash:8].js',
+    filename: '[name].[chunkhash].js',
-    chunkFilename: '[name].[chunkhash:8].js',
+    chunkFilename: '[name].[chunkhash].js',
     publicPath: '/'
   },
   resolve: {
@@ -75,8 +76,8 @@ module.exports = {
   },
   plugins: [
     new MiniCssExtractPlugin({
-      filename: '[name].[contenthash:8].css',
+      filename: '[name].[contenthash].css',
-      chunkFilename: '[name].[contenthash:8].css'
+      chunkFilename: '[name].[contenthash].css'
     }),
     new InjectManifest({
       swSrc: './js/sw.js',
@@ -89,10 +90,19 @@ module.exports = {
         /^boot.*\.js$/,
         /^runtime.*\.js$/
       ]
-    })
+    }),
+    new HashOutputPlugin()
   ],
   optimization: {
-    minimizer: [new TerserPlugin()],
+    minimizer: [
+      new TerserPlugin({
+        terserOptions: {
+          safari10: true
+        },
+        cache: true,
+        parallel: true
+      })
+    ],
     splitChunks: {
       chunks: 'all',
       cacheGroups: {

client/yarn.lock

@@ -10029,6 +10029,11 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
+webpack-plugin-hash-output@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/webpack-plugin-hash-output/-/webpack-plugin-hash-output-3.1.0.tgz#160bb42dd5b3d6f6e05201a722cf553c3687f95c"
+  integrity sha1-Fgu0LdWz1vbgUgGnIs9VPDaH+Vw=
+
 webpack-sources@^1.1.0, webpack-sources@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.3.0.tgz#2a28dcb9f1f45fe960d8f1493252b5ee6530fa85"