start generating client-side bundle. WIP

utils/create_app.js

@@ -0,0 +1,27 @@
+const fs = require('fs');
+const path = require('path');
+const tmp = require('tmp');
+
+const template = fs.readFileSync(path.resolve(__dirname, '../templates/main.js'), 'utf-8');
+
+module.exports = function create_app(routes, dest, matchers, dev) {
+	// TODO in dev mode, watch files
+
+	const code = matchers
+		.map(matcher => {
+			const condition = matcher.dynamic.length === 0 ?
+				`url.pathname === '/${matcher.parts.join('/')}'` :
+				`${matcher.pattern}.test(url.pathname)`;
+
+			return `
+				if (${condition}) {
+					import('../routes/${matcher.file}').then(render);
+				}
+			`.replace(/^\t{3}/gm, '').trim();
+		})
+		.join(' else ');
+
+	const main = template.replace('// ROUTES', code);
+
+	fs.writeFileSync(path.join(dest, 'main.js'), main);
+};

utils/create_matchers.js

@@ -30,6 +30,7 @@ module.exports = function create_matchers(files) {
 
 			return {
 				file,
+				pattern,
 				test,
 				exec,
 				parts,
@@ -41,12 +42,5 @@ module.exports = function create_matchers(files) {
 				(a.dynamic.length - b.dynamic.length) || // match static paths first
 				(b.parts.length - a.parts.length) // match longer paths first
 			);
-		})
-		.map(matcher => {
-			return {
-				file: matcher.file,
-				test: matcher.test,
-				exec: matcher.exec
-			}
 		});
 }

utils/create_webpack_compiler.js

@@ -0,0 +1,81 @@
+const fs = require('fs');
+const webpack = require('webpack');
+const ExtractTextPlugin = require("extract-text-webpack-plugin");
+const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
+
+// TODO make the webpack config, err, configurable
+
+module.exports = function create_webpack_compiler(main, dest, dev) {
+	const compiler = {};
+
+	const _ = webpack({
+		entry: {
+			main
+		},
+		resolve: {
+			extensions: ['.js', '.html']
+		},
+		output: {
+			path: dest,
+			filename: '[name].[hash].js',
+			chunkFilename: '[name].[id].js',
+			publicPath: '/webpack/'
+		},
+		module: {
+			rules: [
+				{
+					test: /\.html$/,
+					exclude: /node_modules/,
+					use: {
+						loader: 'svelte-loader',
+						options: {
+							emitCss: true,
+							cascade: false,
+							store: true
+						}
+					}
+				},
+				{
+					test: /\.css$/,
+					use: ExtractTextPlugin.extract({
+						fallback: 'style-loader',
+						use: [{ loader: 'css-loader', options: { sourceMap: dev } }]
+					})
+				}
+			]
+		},
+		plugins: [
+			new ExtractTextPlugin('main.css'),
+			!dev && new webpack.optimize.ModuleConcatenationPlugin(),
+			!dev && new UglifyJSPlugin()
+		].filter(Boolean),
+		devtool: dev ? 'inline-source-map' : false
+	});
+
+	if (false) { // TODO watch in dev
+		// TODO how can we invalidate compiler.app when watcher restarts?
+		compiler.app = new Promise((fulfil, reject) => {
+			_.watch({}, (err, stats) => {
+				if (err || stats.hasErrors()) {
+					// TODO handle errors
+				}
+
+				const filename = stats.toJson().assetsByChunkName.main;
+				fulfil(`/webpack/${filename}`);
+			});
+		});
+	} else {
+		compiler.app = new Promise((fulfil, reject) => {
+			_.run((err, stats) => {
+				if (err || stats.hasErrors()) {
+					// TODO handle errors
+				}
+
+				const filename = stats.toJson().assetsByChunkName.main;
+				fulfil(`/webpack/${filename}`);
+			});
+		});
+	}
+
+	return compiler;
+};