Separate build step (closes #21)

lib/build.js

@@ -0,0 +1,38 @@
+const fs = require('fs');
+const path = require('path');
+const glob = require('glob');
+const { client, server } = require('./utils/compilers.js');
+const create_app = require('./utils/create_app.js');
+const generate_asset_cache = require('./utils/generate_asset_cache.js');
+const { dest } = require('./config.js');
+
+module.exports = () => {
+	// create main.js and server-routes.js
+	create_app();
+
+	function handleErrors(err, stats) {
+		if (err) {
+			console.error(err ? err.details || err.stack || err.message || err : 'Unknown error');
+			process.exit(1);
+		}
+
+		if (stats.hasErrors()) {
+			console.log(stats.toString({ colors: true }));
+			process.exit(1);
+		}
+	}
+
+	client.run((err, clientStats) => {
+		handleErrors(err, clientStats);
+		const clientInfo = clientStats.toJson();
+		fs.writeFileSync(path.join(dest, 'stats.client.json'), JSON.stringify(clientInfo, null, '  '));
+
+		server.run((err, serverStats) => {
+			handleErrors(err, serverStats);
+			const serverInfo = serverStats.toJson();
+			fs.writeFileSync(path.join(dest, 'stats.server.json'), JSON.stringify(serverInfo, null, '  '));
+
+			generate_asset_cache(clientInfo, serverInfo);
+		});
+	});
+};