uglifyjs -> terser

3 files changed, 126 insertions, 30 deletions

diff --git a/vnext/package.json b/vnext/package.json
index 7551235e..a3e0cffb 100644
--- a/vnext/package.json
+++ b/vnext/package.json
@@ -45,6 +45,7 @@
     "react-router-prop-types": "^1.0.4",
     "react-test-renderer": "^16.6.1",
     "style-loader": "^0.23.1",
+    "terser-webpack-plugin": "^1.1.0",
     "webpack": "^4.25.1",
     "webpack-cli": "^3.1.2",
     "webpack-dev-server": "^3.1.10"
diff --git a/vnext/webpack.config.js b/vnext/webpack.config.js
index 3748e5db..821070f6 100644
--- a/vnext/webpack.config.js
+++ b/vnext/webpack.config.js
@@ -2,7 +2,7 @@ const webpack = require('webpack');
 const path = require('path');
 const HtmlWebPackPlugin = require('html-webpack-plugin');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
-const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+const TerserPlugin = require('terser-webpack-plugin');
 const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
 const ErrorOverlayPlugin = require('error-overlay-webpack-plugin');
 
@@ -64,12 +64,42 @@ module.exports = (env, argv) => {
                 }
             ]
         },
-        optimization: {
+        plugins: [
+            new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
+            new MiniCssExtractPlugin({
+                filename: 'Juick.[contenthash].css',
+                allChunks: true
+            }),
+            new HtmlWebPackPlugin({
+                template: './src/views/index.html',
+                filename: './index.html'
+            }),
+            new ErrorOverlayPlugin()
+        ],
+        devServer: {
+            bonjour: true,
+            historyApiFallback: true,
+            host: '0.0.0.0',
+            hot: true,
+            inline: true
+        }
+    };
+
+    if (dev) {
+        config.plugins.push(new webpack.HotModuleReplacementPlugin());
+    } else {
+        config.optimization = {
             minimizer: [
-                new UglifyJsPlugin({
+                new TerserPlugin({
                     cache: true,
                     parallel: true,
-                    sourceMap: dev
+                    sourceMap: dev,
+                    terserOptions: {
+                        output: {
+                            comments: /@license/i
+                        }
+                    },
+                    extractComments: true
                 }),
                 new OptimizeCSSAssetsPlugin({})
             ],
@@ -94,30 +124,7 @@ module.exports = (env, argv) => {
                     }
                 }
             }
-        },
-        plugins: [
-            new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
-            new MiniCssExtractPlugin({
-                filename: 'Juick.[contenthash].css',
-                allChunks: true
-            }),
-            new HtmlWebPackPlugin({
-                template: './src/views/index.html',
-                filename: './index.html'
-            }),
-            new ErrorOverlayPlugin()
-        ],
-        devServer: {
-            bonjour: true,
-            historyApiFallback: true,
-            host: '0.0.0.0',
-            hot: true,
-            inline: true
-        }
-    };
-
-    if (dev) {
-        config.plugins.push(new webpack.HotModuleReplacementPlugin())
+        };
     }
     return config;
 };
diff --git a/vnext/yarn.lock b/vnext/yarn.lock
index 56d01e0f..801adec8 100644
--- a/vnext/yarn.lock
+++ b/vnext/yarn.lock
@@ -1816,6 +1816,26 @@ cacache@^10.0.4:
     unique-filename "^1.1.0"
     y18n "^4.0.0"
 
+cacache@^11.0.2:
+  version "11.3.1"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-11.3.1.tgz#d09d25f6c4aca7a6d305d141ae332613aa1d515f"
+  integrity sha512-2PEw4cRRDu+iQvBTTuttQifacYjLPhET+SYO/gEFMy8uhi+jlJREDAjSF5FWSdV/Aw5h18caHA7vMTw2c+wDzA==
+  dependencies:
+    bluebird "^3.5.1"
+    chownr "^1.0.1"
+    figgy-pudding "^3.1.0"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    lru-cache "^4.1.3"
+    mississippi "^3.0.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.2"
+    ssri "^6.0.0"
+    unique-filename "^1.1.0"
+    y18n "^4.0.0"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -3474,6 +3494,11 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
+figgy-pudding@^3.1.0, figgy-pudding@^3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
+  integrity sha512-vNKxJHTEKNThjfrdJwHc7brvM6eVevuO5nTj6ez8ZQ1qbXTvGthucRF7S4vf2cr71QVnT70V34v0S1DyQsti0w==
+
 figures@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
@@ -3558,6 +3583,15 @@ find-cache-dir@^1.0.0:
     make-dir "^1.0.0"
     pkg-dir "^2.0.0"
 
+find-cache-dir@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.0.0.tgz#4c1faed59f45184530fb9d7fa123a4d04a98472d"
+  integrity sha512-LDUY6V1Xs5eFskUVYtIwatojt6+9xC9Chnlk/jYOOvn3FAFfSaWddxahDGyNHh0b2dMXa6YW2m0tk8TdVaXHlA==
+  dependencies:
+    commondir "^1.0.1"
+    make-dir "^1.0.0"
+    pkg-dir "^3.0.0"
+
 find-up@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
@@ -5454,7 +5488,7 @@ lower-case@^1.1.1:
   resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-1.1.4.tgz#9a2cabd1b9e8e0ae993a4bf7d5875c39c42e8eac"
   integrity sha1-miyr0bno4K6ZOkv31YdcOcQujqw=
 
-lru-cache@^4.0.1, lru-cache@^4.1.1:
+lru-cache@^4.0.1, lru-cache@^4.1.1, lru-cache@^4.1.3:
   version "4.1.3"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.3.tgz#a1175cf3496dfc8436c156c334b4955992bce69c"
   integrity sha512-fFEhvcgzuIoJVUF8fYr5KR0YqxD238zgObTps31YdADwPPAp82a4M8TrckkWyx7ekNlf9aBcVn81cFwwXngrJA==
@@ -5717,6 +5751,22 @@ mississippi@^2.0.0:
     stream-each "^1.1.0"
     through2 "^2.0.0"
 
+mississippi@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
+  integrity sha512-x471SsVjUtBRtcvd4BzKE9kFC+/2TeWgKCgw0bZcw1b9l2X3QX5vCWgF+KaZaYm87Ss//rHnWryupDrgLvmSkA==
+  dependencies:
+    concat-stream "^1.5.0"
+    duplexify "^3.4.2"
+    end-of-stream "^1.1.0"
+    flush-write-stream "^1.0.0"
+    from2 "^2.1.0"
+    parallel-transform "^1.1.0"
+    pump "^3.0.0"
+    pumpify "^1.3.3"
+    stream-each "^1.1.0"
+    through2 "^2.0.0"
+
 mixin-deep@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
@@ -6970,6 +7020,14 @@ pump@^2.0.0, pump@^2.0.1:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
+pump@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-3.0.0.tgz#b4a2116815bde2f4e1ea602354e8c75565107a64"
+  integrity sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
 pumpify@^1.3.3:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
@@ -7955,7 +8013,7 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
-source-map-support@^0.5.6:
+source-map-support@^0.5.6, source-map-support@~0.5.6:
   version "0.5.9"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.9.tgz#41bc953b2534267ea2d605bccfa7bfa3111ced5f"
   integrity sha512-gR6Rw4MvUlYy83vP0vxoVNzM6t8MUXqNuRsuBmBHQDu1Fh6X015FrLdgoDKcNdkwGubozq0P4N0Q37UyFVr1EA==
@@ -8063,6 +8121,13 @@ ssri@^5.2.4:
   dependencies:
     safe-buffer "^5.1.1"
 
+ssri@^6.0.0:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-6.0.1.tgz#2a3c41b28dd45b62b63676ecb74001265ae9edd8"
+  integrity sha512-3Wge10hNcT1Kur4PDFwEieXSCMCJs/7WvSACcrMYrNp+b8kDL1/0wJch5Ni2WrtwEa2IO8OsVfeKIciKCDx/QA==
+  dependencies:
+    figgy-pudding "^3.5.1"
+
 stable@~0.1.6:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/stable/-/stable-0.1.8.tgz#836eb3c8382fe2936feaf544631017ce7d47a3cf"
@@ -8304,6 +8369,29 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
+terser-webpack-plugin@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.1.0.tgz#cf7c25a1eee25bf121f4a587bb9e004e3f80e528"
+  integrity sha512-61lV0DSxMAZ8AyZG7/A4a3UPlrbOBo8NIQ4tJzLPAdGOQ+yoNC7l5ijEow27lBAL2humer01KLS6bGIMYQxKoA==
+  dependencies:
+    cacache "^11.0.2"
+    find-cache-dir "^2.0.0"
+    schema-utils "^1.0.0"
+    serialize-javascript "^1.4.0"
+    source-map "^0.6.1"
+    terser "^3.8.1"
+    webpack-sources "^1.1.0"
+    worker-farm "^1.5.2"
+
+terser@^3.8.1:
+  version "3.10.11"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-3.10.11.tgz#e063da74b194dde9faf0a561f3a438c549d2da3f"
+  integrity sha512-iruZ7j14oBbRYJC5cP0/vTU7YOWjN+J1ZskEGoF78tFzXdkK2hbCL/3TRZN8XB+MuvFhvOHMp7WkOCBO4VEL5g==
+  dependencies:
+    commander "~2.17.1"
+    source-map "~0.6.1"
+    source-map-support "~0.5.6"
+
 test-exclude@^4.2.1:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.3.tgz#a9a5e64474e4398339245a0a769ad7c2f4a97c20"