Pass in webpack mode through CLI

Author: yunyu

package.json

@@ -52,8 +52,8 @@
   },
   "scripts": {
     "build-proto": "pbf src/proto/rpcEvent.proto > src/generated/rpcEvent.js && pbf src/proto/rpcMessage.proto > src/generated/rpcMessage.js",
-    "build": "npm run build-proto && webpack --env.production && tsc --build tsconfig.build-server.json",
-    "watch": "npm run build-proto && concurrently \"webpack --watch\" \"tsc --build tsconfig.build-server.json --watch\"",
+    "build": "npm run build-proto && webpack --mode=production && tsc --build tsconfig.build-server.json",
+    "watch": "npm run build-proto && concurrently \"webpack --mode=development --watch\" \"tsc --build tsconfig.build-server.json --watch\"",
     "test": "echo \"Error: no test specified\" && exit 1",
     "lint": "eslint --ext .ts,.tsx src/"
   },

webpack.config.js

@@ -1,8 +1,7 @@
 const path = require("path");
 const HtmlWebpackPlugin = require("html-webpack-plugin");
 
-const makeConfig = (env = {}) => ({
-  mode: env.production ? "production" : "development",
+module.exports = {
   module: {
     rules: [
       {
@@ -25,6 +24,4 @@ const makeConfig = (env = {}) => ({
       template: "./src/client/index.html"
     })
   ]
-});
-
-module.exports = makeConfig;
+};