From c26ee93d53a0b5fe6f20b03c1dbcee54f217cd2b Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 24 Apr 2017 23:18:15 +0200
Subject: Optimize production builds.

Uses UglifyJS, and thus TypeScript needs to compile down to ES5, since
UglifyJS does not yet fully support ES6.  Once all ES6 bugs in UglifyJS,
we should compile to ES6 again.
---
 webpack.config.js | 187 +++++++++++++++++++++---------------------------------
 1 file changed, 71 insertions(+), 116 deletions(-)

(limited to 'webpack.config.js')

diff --git a/webpack.config.js b/webpack.config.js
index 4a4948668..e1915535a 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,124 +1,79 @@
 const path = require('path');
 const webpack = require('webpack');
+const merge = require('webpack-merge');
 
-const configWebWorker = {
-  entry: {"cryptoWorker": "./src/cryptoWorker.ts"},
-  target: "webworker",
-  output: {
-    filename: '[name]-bundle.js',
-    chunkFilename: "[id].chunk.js",
-    path: path.resolve(__dirname, "dist")
-  },
-  module: {
-    noParse: /taler-emscripten-lib/,
-    rules: [
-      {
-        test: /\.tsx?$/,
-        loader: 'ts-loader',
-        exclude: /node_modules/,
-        exclude: /taler-emscripten-lib/,
-      }
-    ]
-  },
-  externals: {
-    // A big hack to load taler-emscripten-lib from the environment,
-    // because we exclude it from the bundle.
-    "./emscripten/taler-emscripten-lib": "(self.TalerEmscriptenLib = {}, importScripts('/src/emscripten/taler-emscripten-lib.js'), TalerEmscriptenLib)",
-  },
-  resolve: {
-    modules: [path.resolve(__dirname, "./"), "node_modules"],
-    extensions: [".tsx", ".ts", ".js"]
-  },
-  devtool: "source-map",
-}
-
-const configContentScript = {
-  entry: {"contentScript": "./src/content_scripts/notify.ts"},
-  output: {
-    filename: '[name]-bundle.js',
-    chunkFilename: "[id].chunk.js",
-    path: path.resolve(__dirname, "dist")
-  },
-  module: {
-    noParse: /taler-emscripten-lib/,
-    rules: [
-      {
-        test: /\.tsx?$/,
-        loader: 'ts-loader',
-        exclude: /node_modules/,
-      }
-    ]
-  },
-  resolve: {
-    modules: [path.resolve(__dirname, "./"), "node_modules"],
-    extensions: [".tsx", ".ts", ".js"]
-  },
-  devtool: "source-map",
-}
 
-const configBackground = {
-  entry: {"background": "./src/background/background.ts"},
-  output: {
-    filename: '[name]-bundle.js',
-    chunkFilename: "[id].chunk.js",
-    path: path.resolve(__dirname, "dist")
-  },
-  module: {
-    rules: [
-      {
-        test: /\.tsx?$/,
-        loader: 'ts-loader',
-        exclude: /node_modules/,
-      }
-    ]
-  },
-  externals: /taler-emscripten-lib/,
-  resolve: {
-    modules: [path.resolve(__dirname, "./"), "node_modules"],
-    extensions: [".tsx", ".ts", ".js"]
-  },
-  devtool: "source-map",
-}
+module.exports = function (env) {
+  const base = {
+    output: {
+      filename: '[name]-bundle.js',
+      chunkFilename: "[id].chunk.js",
+      path: path.resolve(__dirname, "dist")
+    },
+    module: {
+      noParse: /taler-emscripten-lib/,
+      rules: [
+        {
+          test: /\.tsx?$/,
+          loader: 'ts-loader',
+          exclude: /node_modules/,
+          exclude: /taler-emscripten-lib/,
+        }
+      ]
+    },
+    resolve: {
+      modules: [path.resolve(__dirname, "./"), "node_modules"],
+      extensions: [".tsx", ".ts", ".js"]
+    },
+    plugins: [],
+    devtool: "source-map",
+  }
+  if (env.prod) {
+    base.plugins.push(new webpack.optimize.UglifyJsPlugin());
+    base.plugins.push(new webpack.LoaderOptionsPlugin({minimize: true}));
+  }
+  const configWebWorker = {
+    entry: {"cryptoWorker": "./src/cryptoWorker.ts"},
+    target: "webworker",
+    externals: {
+      // A big hack to load taler-emscripten-lib from the environment,
+      // because we exclude it from the bundle.
+      "./emscripten/taler-emscripten-lib": "(self.TalerEmscriptenLib = {}, importScripts('/src/emscripten/taler-emscripten-lib.js'), TalerEmscriptenLib)",
+    },
+  };
 
+  const configBackground = {
+    entry: {"background": "./src/background/background.ts"},
+  };
 
-const configExtensionPages = {
-  entry: {
-    "add-auditor": "./src/pages/add-auditor.tsx",
-    "auditors": "./src/pages/auditors.tsx",
-    "confirm-contract": "./src/pages/confirm-contract.tsx",
-    "confirm-create-reserve": "./src/pages/confirm-create-reserve.tsx",
-    "error": "./src/pages/error.tsx",
-    "logs": "./src/pages/logs.tsx",
-    "popup": "./src/pages/popup.tsx",
-    "show-db": "./src/pages/show-db.ts",
-    "tree": "./src/pages/tree.tsx",
-  },
-  output: {
-    filename: '[name]-bundle.js',
-    chunkFilename: "[id].chunk.js",
-    path: path.resolve(__dirname, "dist")
-  },
-  module: {
-    rules: [
-      {
-        test: /\.tsx?$/,
-        loader: 'ts-loader',
-        exclude: /node_modules/,
-      }
-    ]
-  },
-  resolve: {
-    modules: [path.resolve(__dirname, "./"), "node_modules"],
-    extensions: [".tsx", ".ts", ".js"]
-  },
-  plugins: [
-    new webpack.optimize.CommonsChunkPlugin({
-      name: "page-common",
-      minChunks: 2,
-    }),
-  ],
-  devtool: "source-map",
-}
+  const configContentScript = {
+    entry: {"contentScript": "./src/content_scripts/notify.ts"},
+  };
 
+  const configExtensionPages = {
+    entry: {
+      "add-auditor": "./src/pages/add-auditor.tsx",
+      "auditors": "./src/pages/auditors.tsx",
+      "confirm-contract": "./src/pages/confirm-contract.tsx",
+      "confirm-create-reserve": "./src/pages/confirm-create-reserve.tsx",
+      "error": "./src/pages/error.tsx",
+      "logs": "./src/pages/logs.tsx",
+      "popup": "./src/pages/popup.tsx",
+      "show-db": "./src/pages/show-db.ts",
+      "tree": "./src/pages/tree.tsx",
+    },
+    plugins: [
+      new webpack.optimize.CommonsChunkPlugin({
+        name: "page-common",
+        minChunks: 2,
+      }),
+    ],
+  };
 
-module.exports = [configBackground, configWebWorker, configContentScript, configExtensionPages];
+  return [
+    merge(base, configBackground),
+    merge(base, configWebWorker),
+    merge(base, configExtensionPages),
+    merge(base, configContentScript)
+  ];
+}
-- 
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