Refine cms build scripts

cms/package.json

@@ -1,6 +1,6 @@
 {
   "scripts": {
-    "build": "npm i && webpack --config webpack.config.js"
+    "build": "webpack --config webpack.config.js"
   },
   "dependencies": {
     "babel-core": "^6.26.0",

cms/webpack.config.js

@@ -3,6 +3,12 @@ const path = require('path')
 const ExtractTextPlugin = require('extract-text-webpack-plugin')
 const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
 
+const production = process.env.NODE_ENV === 'production'
+
+console.log(`Building CMS in ${production ? 'production' : 'development'} mode`)
+
+const productionPlugins = production ? [new UglifyJsPlugin()] : []
+
 module.exports = {
   entry: './cms.js',
   output: {
@@ -38,6 +44,6 @@ module.exports = {
     new ExtractTextPlugin({
       filename: 'cms.bundle.css'
     }),
-    new UglifyJsPlugin()
+    ...productionPlugins
   ]
 }

package.json

@@ -55,13 +55,15 @@
     "build":
       "npm-run-all -s prepare-content build:cms build:app build:postcss build:react-snapshot build:sitemap build:sw build:sha",
     "build:app": "react-scripts build",
-    "build:cms": "cd cms && npm run build",
+    "build:cms": "cd cms && NODE_ENV=production npm run build",
     "build:postcss": "postcss build/static/css/*.css -r",
     "build:react-snapshot": "react-snapshot",
     "build:sw": "sw-precache --config='sw-precache-config.js'",
     "build:sitemap": "node ./functions/generate-sitemap.js",
     "build:sha": "git rev-parse HEAD > build/sha",
     "parse-content": "node ./functions/parse-content.js",
+    "prepare": "npm run install:cms",
+    "install:cms": "cd cms && npm i",
     "resize-images": "node ./functions/resize-images.js",
     "prepare-content": "npm-run-all -s parse-content resize-images",
     "test": "standard | snazzy && react-scripts test --env=jsdom",

yarn.lock

@@ -8167,7 +8167,7 @@ set-value@^2.0.0:
     is-plain-object "^2.0.3"
     split-string "^3.0.1"
 
-setimmediate@^1.0.4, setimmediate@^1.0.5:
+setimmediate@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"