Implemented a new build system

.gitignore

@@ -2,3 +2,4 @@ node_modules
 .next
 out
 tmp
+ffconf2018-out

build.js

@@ -0,0 +1,37 @@
+const shell = require('shelljs');
+
+const { config, version } = require('./package.json');
+const { outputFolder } = config;
+
+const build = ({ outputFolder, version }) => {
+  shell.echo('building static files:');
+
+  shell.echo('removing build directory');
+  shell.rm('-rf', outputFolder);
+
+  shell.echo('running next build');
+  shell.exec(`${__dirname}/node_modules/.bin/next build`);
+
+  shell.echo('running next export');
+  shell.exec(`${__dirname}/node_modules/.bin/next export -o ${outputFolder}`);
+
+  shell.echo('copying sw.js file');
+  shell.cp('static/js/sw.js', outputFolder);
+
+  shell.echo('replacing version in sw.js file');
+  shell.sed('-i', '@VERSION@', version, `${outputFolder}/sw.js`);
+
+  shell.echo('copying style.css file');
+  shell.cp(`${outputFolder}/_next/static/style.css`, `${outputFolder}/static`);
+
+  shell.echo('removing _next directory');
+  shell.rm('-rf', `${outputFolder}/_next`);
+
+  shell.echo('done building static files');
+};
+
+if (module.parent) {
+  module.exports = build;
+} else {
+  build({ outputFolder, version });
+}

index.js

@@ -1,11 +1,25 @@
+/* eslint no-console: off */
 const express = require('express');
 const app = express();
 
-app.use('/static', express.static(__dirname + '/static'));
-app.use('/', express.static(__dirname + '/static'));
+const build = require('./build');
+
+const port = process.env.PORT || 9000;
+
+const { config, version } = require('./package.json');
+const { outputFolder } = config;
+
+app.use('/', express.static(`${__dirname}/${outputFolder}`));
+
+build({ outputFolder, version });
 
 if (module.parent) {
   module.exports = app;
 } else {
-  app.listen(process.env.PORT);
+  app.listen(port, err => {
+    if (err) {
+      throw err;
+    }
+    console.log(`Ready on http://localhost:${port}`);
+  });
 }