refactor: internal packages structure (#94)

* refactor: internal packages structure

* refactor: internal packages structure

commands/serve/lib/webpack.serve.js

@@ -0,0 +1,128 @@
+/* eslint global-require: 0 */
+const path = require('path');
+const chalk = require('chalk');
+
+const webpack = require('webpack');
+const WebpackDevServer = require('webpack-dev-server');
+
+module.exports = async ({ host, port, enigmaConfig, snPath, snName, dev = false, open = true, watcher }) => {
+  let config;
+  let contentBase;
+
+  if (dev) {
+    const webpackConfig = require('./webpack.build.js');
+    const srcDir = path.resolve(__dirname, '../web');
+    const distDir = path.resolve(srcDir, '../dist');
+    contentBase = distDir;
+    config = webpackConfig({
+      srcDir,
+      distDir,
+      dev: true,
+      snPath,
+    });
+  } else {
+    const webpackConfig = require('./webpack.prod.js');
+    const srcDir = path.resolve(__dirname, '../dist');
+    contentBase = srcDir;
+    config = webpackConfig({
+      srcDir,
+      snPath,
+    });
+  }
+
+  const options = {
+    clientLogLevel: 'none',
+    hot: true,
+    host,
+    port,
+    overlay: {
+      warnings: false,
+      errors: true,
+    },
+    quiet: true,
+    open,
+    contentBase: [contentBase],
+    historyApiFallback: {
+      index: '/eHub.html',
+    },
+    before(app) {
+      app.get('/info', (req, res) => {
+        res.json({
+          enigma: enigmaConfig,
+          supernova: {
+            name: snName,
+          },
+        });
+      });
+    },
+    proxy: [
+      {
+        context: '/render',
+        target: `http://${host}:${port}/eRender.html`,
+        ignorePath: true,
+      },
+      {
+        context: '/dev',
+        target: `http://${host}:${port}/eDev.html`,
+        ignorePath: true,
+      },
+    ],
+    watchOptions: {
+      ignored: /node_modules/,
+    },
+  };
+
+  console.log('Starting development server...');
+
+  WebpackDevServer.addDevServerEntrypoints(config, options);
+  const compiler = webpack(config);
+  const server = new WebpackDevServer(compiler, options);
+
+  const close = () => {
+    server.close();
+  };
+
+  ['SIGINT', 'SIGTERM'].forEach(signal => {
+    process.on(signal, close);
+  });
+
+  if (watcher) {
+    watcher.on('event', event => {
+      if (event.code === 'ERROR') {
+        server.sockWrite(server.sockets, 'errors', [event.error.stack]);
+      }
+    });
+  }
+
+  let initiated = false;
+
+  return new Promise((resolve, reject) => {
+    // eslint-disable-line consistent-return
+    compiler.hooks.done.tap('nebula serve', stats => {
+      if (!initiated) {
+        initiated = true;
+        const url = `http://${host}:${port}`;
+        console.log(`...running at ${chalk.green(url)}`);
+
+        resolve({
+          context: '',
+          url,
+          close,
+        });
+
+        if (stats.hasErrors()) {
+          stats.compilation.errors.forEach(e => {
+            console.log(chalk.red(e));
+          });
+          process.exit(1);
+        }
+      }
+    });
+
+    server.listen(port, host, err => {
+      if (err) {
+        reject(err);
+      }
+    });
+  });
+};