added installation of flow-typed to drone build

.core.yml

@@ -7,6 +7,7 @@ steps:
   image: node
   commands:
   - npm install
+  - npx flow-typed install
 
 - name: test
   image: node

package.json

@@ -13,12 +13,11 @@
     "test": "test"
   },
   "scripts": {
+    "start": "webpack-dev-server --env development",
     "test:flow": "flow --quiet",
     "test:lint": "eslint src",
     "test:mocha": "mocha --use_strict --require @babel/register --require babel-polyfill",
     "test": "npm run test:lint && npm run test:flow && npm run test:mocha",
-    "dev-server": "webpack-dev-server --env development",
-    "start": "nodemon --exec npm run babel-node",
     "babel-node": "npx babel-node src/local-instance.js --source-maps",
 	"build:webpack": "webpack --env production",
 	"build:flow": "flow-copy-source src build",
@@ -42,18 +41,15 @@
     "eslint-plugin-flowtype": "^2.46.1",
     "eslint-plugin-react": "^7.7.0",
     "file-loader": "^2.0.0",
-    "flow": "^0.2.3",
     "flow-bin": "^0.69.0",
     "flow-copy-source": "^2.0.2",
     "flow-typed": "^2.4.0",
     "mocha": "^5.1.0",
-    "nodemon": "^1.18.9",
     "raw-loader": "^0.5.1",
     "url-loader": "^1.1.2",
     "webpack": "^4.20.2",
     "webpack-cli": "^3.1.2",
-    "webpack-dev-server": "^3.1.14",
-    "webpack-notifier": "^1.7.0"
+    "webpack-dev-server": "^3.1.14"
   },
   "dependencies": {
     "@babel/node": "^7.2.2",

src/local-instance.js

@@ -1,13 +0,0 @@
-//@flow
-import express from "express"
-import router from "./router"
-
-async function launch() {
-	const app = express()
-
-	app.use(router)
-
-	app.listen(5000)
-}
-
-launch()

webpack.config.js

@@ -1,6 +1,11 @@
 const path = require("path")
 const webpack = require("webpack")
-const WebpackNotifierPlugin = require("webpack-notifier")
+
+const port = parseInt(process.env.PORT) || 5000
+
+/************************************************************/
+/* Base configuration                                       */
+/************************************************************/
 
 const baseConfig = {
 	output: {
@@ -56,7 +61,11 @@ const baseConfig = {
 }
 
 
-// targets
+/************************************************************/
+/* Targets                                                  */
+/************************************************************/
+
+//This will be the script which is included in the index.html
 const runtime = () => Object.assign({ }, baseConfig, {
 	target: "web",
 	entry: {
@@ -69,6 +78,8 @@ const runtime = () => Object.assign({ }, baseConfig, {
 	}
 })
 
+//This target will be exposed by this package, that either node
+//or browser applications can require it.
 const index = () => Object.assign({ }, baseConfig, {
 	target: "node",
 	entry: {
@@ -87,7 +98,11 @@ const index = () => Object.assign({ }, baseConfig, {
 	}
 })
 
-// decorators
+/************************************************************/
+/* Decorators                                               */
+/************************************************************/
+
+//extend the configuration by all production settings
 const production = config => Object.assign({ }, config(), {
 	mode: "production",
 	plugins: [
@@ -97,18 +112,18 @@ const production = config => Object.assign({ }, config(), {
 	]
 })
 
+//extend the configuration by all development settings
 const development = config => Object.assign({ }, config(), {
 	mode: "development",
 	devServer: {
 		historyApiFallback: true,
 		stats: "errors-only",
 		host: process.env.HOST,
-		port: 5000,
+		port,
 		compress: true,
 		overlay: true,
 		hot: true,
 		contentBase: path.resolve(__dirname, "build/static"),
-		https: true,
 		proxy: {
 			"/api": {
 				"target": "https://localhost:6000",
@@ -118,12 +133,11 @@ const development = config => Object.assign({ }, config(), {
 	},
 	devtool: "source-map",
 	plugins: [
-		new webpack.HotModuleReplacementPlugin(),
-		new WebpackNotifierPlugin()
-
+		new webpack.HotModuleReplacementPlugin()
 	]
 })
 
+//choose according to environment
 module.exports = env => {
 	if (env === "production") {
 		return [ production(index), production(runtime) ]