Merge branch 'master' into lazy-chokidar

.gitignore

@@ -2,4 +2,5 @@
 node_modules
 cypress/screenshots
 test/app/.sapper
-runtime.js
+runtime.js
+yarn.lock

.travis.yml

@@ -3,6 +3,7 @@ sudo: false
 language: node_js
 
 node_js:
+  - "6"
   - "stable"
 
 env:

CHANGELOG.md

@@ -1,5 +1,13 @@
 # sapper changelog
 
+## 0.4.0
+
+* `%sapper.main%` has been replaced with `%sapper.scripts%` ([#86](https://github.com/sveltejs/sapper/issues/86))
+* Node 6 support ([#67](https://github.com/sveltejs/sapper/pull/67))
+* Explicitly load css-loader and style-loader ([#72](https://github.com/sveltejs/sapper/pull/72))
+* DELETE requests are handled with `del` exports ([#77](https://github.com/sveltejs/sapper/issues/77))
+* Send preloaded data for first route to client, where possible ([#3](https://github.com/sveltejs/sapper/issues/3))
+
 ## 0.3.2
 
 * Expose `prefetch` function ([#61](https://github.com/sveltejs/sapper/pull/61))

lib/index.js

@@ -1,5 +1,6 @@
 const fs = require('fs');
 const path = require('path');
+const serialize = require('serialize-javascript');
 const route_manager = require('./route_manager.js');
 const templates = require('./templates.js');
 const create_app = require('./utils/create_app.js');
@@ -23,9 +24,11 @@ function connect_dev() {
 			heartbeat: 10 * 1000
 		}),
 
-		async (req, res, next) => {
+		(req, res, next) => {
-			asset_cache = await watcher.ready;
+			watcher.ready.then(cache => {
-			next();
+				asset_cache = cache;
+				next();
+			});
 		},
 
 		set_req_pathname,
@@ -125,76 +128,98 @@ function get_asset_handler(opts) {
 	};
 }
 
-function get_route_handler(fn) {
+const resolved = Promise.resolve();
-	return async function handle_route(req, res, next) {
-		const url = req.pathname;
 
-		const { client, server } = fn();
+function get_route_handler(fn) {
+	function handle_route(route, req, res, next, { client, server }) {
+		req.params = route.exec(req.pathname);
+
+		const mod = require(server.entry)[route.id];
+
+		if (route.type === 'page') {
+			// preload main.js and current route
+			// TODO detect other stuff we can preload? images, CSS, fonts?
+			res.set('Link', `<${client.main_file}>;rel="preload";as="script", <${client.routes[route.id]}>;rel="preload";as="script"`);
+
+			const data = { params: req.params, query: req.query };
+
+			if (mod.preload) {
+				const promise = Promise.resolve(mod.preload(req)).then(preloaded => {
+					const serialized = try_serialize(preloaded);
+					Object.assign(data, preloaded);
+
+					return { rendered: mod.render(data), serialized };
+				});
+
+				return templates.stream(res, 200, {
+					scripts: promise.then(({ serialized }) => {
+						const main = `<script src='${client.main_file}'></script>`;
+
+						if (serialized) {
+							return `<script>__SAPPER__ = { preloaded: ${serialized} };</script>${main}`;
+						}
+
+						return main;
+					}),
+					html: promise.then(({ rendered }) => rendered.html),
+					head: promise.then(({ rendered }) => `<noscript id='sapper-head-start'></noscript>${rendered.head}<noscript id='sapper-head-end'></noscript>`),
+					styles: promise.then(({ rendered }) => (rendered.css && rendered.css.code ? `<style>${rendered.css.code}</style>` : ''))
+				});
+			} else {
+				const { html, head, css } = mod.render(data);
+
+				const page = templates.render(200, {
+					scripts: `<script src='${client.main_file}'></script>`,
+					html,
+					head: `<noscript id='sapper-head-start'></noscript>${head}<noscript id='sapper-head-end'></noscript>`,
+					styles: (css && css.code ? `<style>${css.code}</style>` : '')
+				});
+
+				res.end(page);
+			}
+		}
+
+		else {
+			const method = req.method.toLowerCase();
+			// 'delete' cannot be exported from a module because it is a keyword,
+			// so check for 'del' instead
+			const method_export = method === 'delete' ? 'del' : method;
+			const handler = mod[method_export];
+			if (handler) {
+				handler(req, res, next);
+			} else {
+				// no matching handler for method — 404
+				next();
+			}
+		}
+	}
+
+	return function find_route(req, res, next) {
+		const url = req.pathname;
 
 		// whatever happens, we're going to serve some HTML
 		res.set({
 			'Content-Type': 'text/html'
 		});
 
-		try {
+		resolved
-			for (const route of route_manager.routes) {
+			.then(() => {
-				if (route.test(url)) {
+				for (const route of route_manager.routes) {
-					req.params = route.exec(url);
+					if (route.test(url)) return handle_route(route, req, res, next, fn());
-
-					const mod = require(server.entry)[route.id];
-
-					if (route.type === 'page') {
-						// preload main.js and current route
-						// TODO detect other stuff we can preload? images, CSS, fonts?
-						res.set('Link', `<${client.main_file}>;rel="preload";as="script", <${client.routes[route.id]}>;rel="preload";as="script"`);
-
-						const data = { params: req.params, query: req.query };
-
-						if (mod.preload) {
-							const promise = Promise.resolve(mod.preload(req)).then(preloaded => {
-								Object.assign(data, preloaded);
-								return mod.render(data);
-							});
-
-							await templates.stream(res, 200, {
-								main: client.main_file,
-								html: promise.then(rendered => rendered.html),
-								head: promise.then(({ head }) => `<noscript id='sapper-head-start'></noscript>${head}<noscript id='sapper-head-end'></noscript>`),
-								styles: promise.then(({ css }) => (css && css.code ? `<style>${css.code}</style>` : ''))
-							});
-						} else {
-							const { html, head, css } = mod.render(data);
-
-							const page = templates.render(200, {
-								main: client.main_file,
-								html,
-								head: `<noscript id='sapper-head-start'></noscript>${head}<noscript id='sapper-head-end'></noscript>`,
-								styles: (css && css.code ? `<style>${css.code}</style>` : '')
-							});
-
-							res.end(page);
-						}
-					}
-
-					else {
-						const handler = mod[req.method.toLowerCase()];
-						if (handler) handler(req, res, next);
-					}
-
-					return;
 				}
-			}
 
-			next();
+				// no matching route — 404
-		} catch(err) {
+				next();
-			res.status(500);
+			})
-			res.end(templates.render(500, {
+			.catch(err => {
-				title: (err && err.name) || 'Internal server error',
+				res.status(500);
-				url,
+				res.end(templates.render(500, {
-				error: escape_html(err && (err.details || err.message || err) || 'Unknown error'),
+					title: (err && err.name) || 'Internal server error',
-				stack: err && err.stack.split('\n').slice(1).join('\n')
+					url,
-			}));
+					error: escape_html(err && (err.details || err.message || err) || 'Unknown error'),
-		}
+					stack: err && err.stack.split('\n').slice(1).join('\n')
+				}));
+			});
 	};
 }
 
@@ -207,7 +232,7 @@ function get_not_found_handler(fn) {
 			title: 'Not found',
 			status: 404,
 			method: req.method,
-			main: asset_cache.client.main_file,
+			scripts: `<script src='${asset_cache.client.main_file}'></script>`,
 			url: req.url
 		}));
 	};
@@ -235,4 +260,12 @@ function compose_handlers(handlers) {
 
 function read_json(file) {
 	return JSON.parse(fs.readFileSync(file, 'utf-8'));
+}
+
+function try_serialize(data) {
+	try {
+		return serialize(data);
+	} catch (err) {
+		return null;
+	}
 }

lib/templates.js

@@ -1,9 +1,21 @@
 const fs = require('fs');
 const glob = require('glob');
+const chalk = require('chalk');
+const framer = require('code-frame');
+const { locate } = require('locate-character');
 const { dev } = require('./config.js');
 
 let templates;
 
+function error(e) {
+	if (e.title) console.error(chalk.bold.red(e.title));
+	if (e.body) console.error(chalk.red(e.body));
+	if (e.url) console.error(chalk.cyan(e.url));
+	if (e.frame) console.error(chalk.grey(e.frame));
+
+	process.exit(1);
+}
+
 function create_templates() {
 	templates = glob.sync('*.html', { cwd: 'templates' })
 		.map(file => {
@@ -11,7 +23,24 @@ function create_templates() {
 			const status = file.replace('.html', '').toLowerCase();
 
 			if (!/^[0-9x]{3}$/.test(status)) {
-				throw new Error(`Bad template — should be a valid status code like 404.html, or a wildcard like 2xx.html`);
+				error({
+					title: `templates/${file}`,
+					body: `Bad template — should be a valid status code like 404.html, or a wildcard like 2xx.html`
+				});
+			}
+
+			const index = template.indexOf('%sapper.main%');
+			if (index !== -1) {
+				// TODO remove this in a future version
+				const { line, column } = locate(template, index, { offsetLine: 1 });
+				const frame = framer(template, line, column);
+
+				error({
+					title: `templates/${file}`,
+					body: `<script src='%sapper.main%'> is unsupported — use %sapper.scripts% (without the <script> tag) instead`,
+					url: 'https://github.com/sveltejs/sapper/issues/86',
+					frame
+				});
 			}
 
 			const specificity = (
@@ -30,10 +59,14 @@ function create_templates() {
 						return key in data ? data[key] : '';
 					});
 				},
-				stream: async (res, data) => {
+				stream: (res, data) => {
 					let i = 0;
 
-					do {
+					function stream_inner() {
+						if (i >= template.length) {
+							return;
+						}
+
 						const start = template.indexOf('%sapper', i);
 
 						if (start === -1) {
@@ -52,9 +85,14 @@ function create_templates() {
 						const match = /sapper\.(\w+)/.exec(tag);
 						if (!match || !(match[1] in data)) throw new Error(`Bad template`); // TODO ditto
 
-						res.write(await data[match[1]]);
+						return Promise.resolve(data[match[1]]).then(datamatch => {
-						i = end + 1;
+							res.write(datamatch);
-					} while (i < template.length);
+							i = end + 1;
+							return stream_inner();
+						});
+					}
+
+					return Promise.resolve().then(stream_inner);
 				}
 			};
 		})

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sapper",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "description": "Military-grade apps, engineered by Svelte",
   "main": "lib/index.js",
   "bin": {
@@ -19,11 +19,14 @@
   "dependencies": {
     "chalk": "^2.3.0",
     "chokidar": "^1.7.0",
+    "code-frame": "^5.0.0",
     "escape-html": "^1.0.3",
+    "locate-character": "^2.0.5",
     "mkdirp": "^0.5.1",
     "relative": "^3.0.2",
     "require-relative": "^0.8.7",
     "rimraf": "^2.6.2",
+    "serialize-javascript": "^1.4.0",
     "webpack": "^3.10.0",
     "webpack-hot-middleware": "^2.21.0"
   },

src/runtime/index.ts

@@ -68,10 +68,16 @@ function render(Component: ComponentConstructor, data: any, scroll: ScrollPositi
 	}
 }
 
-function prepare_route(Component, data) {
+function prepare_route(Component: ComponentConstructor, data: RouteData) {
-	return Promise.resolve(
+	if (!Component.preload) {
-		Component.preload ? Component.preload(data) : {}
+		return { Component, data };
-	).then(preloaded => {
+	}
+
+	if (!component && window.__SAPPER__ && window.__SAPPER__.preloaded) {
+		return { Component, data: Object.assign(data, window.__SAPPER__.preloaded) };
+	}
+
+	return Promise.resolve(Component.preload(data)).then(preloaded => {
 		Object.assign(data, preloaded)
 		return { Component, data };
 	});
@@ -176,10 +182,10 @@ export function prefetch(href: string) {
 }
 
 function handle_touchstart_mouseover(event: MouseEvent | TouchEvent) {
-        const a: HTMLAnchorElement = <HTMLAnchorElement>findAnchor(<Node>event.target);
+	const a: HTMLAnchorElement = <HTMLAnchorElement>findAnchor(<Node>event.target);
-        if (!a || a.rel !== 'prefetch') return;
+	if (!a || a.rel !== 'prefetch') return;
 
-        prefetch(a.href);
+	prefetch(a.href);
 }
 
 let inited: boolean;

test/app/routes/api/delete/[id].js

@@ -0,0 +1,9 @@
+export function del(req, res) {
+	res.set({
+		'Content-Type': 'application/json'
+	});
+
+	res.end(JSON.stringify({
+		id: req.params.id
+	}));
+}

test/app/routes/delete-test.html

@@ -0,0 +1,15 @@
+<button class='del' on:click='del()'>delete</button>
+
+<script>
+	export default {
+		methods: {
+			del() {
+				fetch(`/api/delete/42`, { method: 'DELETE' })
+					.then(r => r.json())
+					.then(data => {
+						window.deleted = data;
+					});
+			}
+		}
+	};
+</script>

test/app/routes/show-url.html

@@ -3,7 +3,7 @@
 <script>
 	export default {
 		preload({ url }) {
-			return { url };
+			if (url) return { url };
 		}
 	};
-</script>
+</script>

test/app/templates/2xx.html

@@ -32,6 +32,6 @@
 	<!-- Sapper creates a <script> tag containing `templates/main.js`
 	     and anything else it needs to hydrate the app and
 	     initialise the router -->
-	<script src='%sapper.main%'></script>
+	%sapper.scripts%
 </body>
 </html>

test/common/test.js

@@ -9,6 +9,12 @@ const fetch = require('node-fetch');
 run('production');
 run('development');
 
+Nightmare.action('page', {
+	title(done) {
+		this.evaluate_now(() => document.querySelector('h1').textContent, done);
+	}
+});
+
 function run(env) {
 	describe(`env=${env}`, function () {
 		this.timeout(20000);
@@ -62,52 +68,60 @@ function run(env) {
 			});
 		}
 
-		before(async () => {
+		before(() => {
 			process.chdir(path.resolve(__dirname, '../app'));
 
 			process.env.NODE_ENV = env;
 
+			let exec_promise = Promise.resolve();
+			let sapper;
+
 			if (env === 'production') {
 				const cli = path.resolve(__dirname, '../../cli/index.js');
-				await exec(`${cli} build`);
+				exec_promise = exec(`${cli} build`);
 			}
 
-			const resolved = require.resolve('../..');
+			return exec_promise.then(() => {
-			delete require.cache[resolved];
+				const resolved = require.resolve('../..');
-			const sapper = require(resolved);
+				delete require.cache[resolved];
+				sapper = require(resolved);
 
-			PORT = await getPort();
+				return getPort();
-			base = `http://localhost:${PORT}`;
+			}).then(port => {
+				PORT = port;
+				base = `http://localhost:${PORT}`;
 
-			global.fetch = (url, opts) => {
+				global.fetch = (url, opts) => {
-				if (url[0] === '/') url = `${base}${url}`;
+					if (url[0] === '/') url = `${base}${url}`;
-				return fetch(url, opts);
+					return fetch(url, opts);
-			};
+				};
 
-			let captured;
+				let captured;
-			capture = async fn => {
+				capture = fn => {
-				const result = captured = [];
+					const result = captured = [];
-				await fn();
+					return fn().then(() => {
-				captured = null;
+						captured = null;
-				return result;
+						return result;
-			};
+					});
+				};
 
-			const app = express();
+				const app = express();
 
-			app.use(serve('assets'));
+				app.use(serve('assets'));
 
-			app.use((req, res, next) => {
+				app.use((req, res, next) => {
-				if (captured) captured.push(req);
+					if (captured) captured.push(req);
-				next();
+					next();
-			});
+				});
 
-			middleware = sapper();
+				middleware = sapper();
-			app.use(middleware);
+				app.use(middleware);
 
-			return new Promise((fulfil, reject) => {
+				return new Promise((fulfil, reject) => {
-				server = app.listen(PORT, err => {
+					server = app.listen(PORT, err => {
-					if (err) reject(err);
+						if (err) reject(err);
-					else fulfil();
+						else fulfil();
+					});
 				});
 			});
 		});
@@ -137,173 +151,177 @@ function run(env) {
 				});
 			});
 
-			afterEach(async () => {
+			afterEach(() => {
-				await nightmare.end();
+				return nightmare.end();
 			});
 
-			it('serves /', async () => {
+			it('serves /', () => {
-				const title = await nightmare
+				return nightmare.goto(base).page.title().then(title => {
-					.goto(base)
+					assert.equal(title, 'Great success!');
-					.evaluate(() => document.querySelector('h1').textContent);
-
-				assert.equal(title, 'Great success!');
-			});
-
-			it('serves static route', async () => {
-				const title = await nightmare
-					.goto(`${base}/about`)
-					.evaluate(() => document.querySelector('h1').textContent);
-
-				assert.equal(title, 'About this site');
-			});
-
-			it('serves dynamic route', async () => {
-				const title = await nightmare
-					.goto(`${base}/blog/what-is-sapper`)
-					.evaluate(() => document.querySelector('h1').textContent);
-
-				assert.equal(title, 'What is Sapper?');
-			});
-
-			it('navigates to a new page without reloading', async () => {
-				await nightmare.goto(base).wait(() => window.READY).wait(200);
-
-				const requests = await capture(async () => {
-					await nightmare.click('a[href="/about"]');
 				});
-
-				assert.equal(
-					await nightmare.path(),
-					'/about'
-				);
-
-				assert.equal(
-					await nightmare.evaluate(() => document.title),
-					'About'
-				);
-
-				assert.deepEqual(requests.map(r => r.url), []);
 			});
 
-			it('navigates programmatically', async () => {
+			it('serves static route', () => {
-				await nightmare
+				return nightmare.goto(`${base}/about`).page.title().then(title => {
+					assert.equal(title, 'About this site');
+				});
+			});
+
+			it('serves dynamic route', () => {
+				return nightmare.goto(`${base}/blog/what-is-sapper`).page.title().then(title => {
+					assert.equal(title, 'What is Sapper?');
+				});
+			});
+
+			it('navigates to a new page without reloading', () => {
+				return nightmare.goto(base).wait(() => window.READY).wait(200)
+					.then(() => {
+						return capture(() => nightmare.click('a[href="/about"]'));
+					})
+					.then(requests => {
+						assert.deepEqual(requests.map(r => r.url), []);
+						return nightmare.path();
+					})
+					.then(path => {
+						assert.equal(path, '/about');
+						return nightmare.title();
+					})
+					.then(title => {
+						assert.equal(title, 'About');
+					});
+			});
+
+			it('navigates programmatically', () => {
+				return nightmare
 					.goto(`${base}/about`)
 					.wait(() => window.READY)
 					.click('.goto')
 					.wait(() => window.location.pathname === '/blog/what-is-sapper')
-					.wait(100);
+					.wait(100)
-
+					.title()
-				assert.equal(
+					.then(title => {
-					await nightmare.evaluate(() => document.title),
+						assert.equal(title, 'What is Sapper?');
-					'What is Sapper?'
+					});
-				);
 			});
 
-			it('prefetches programmatically', async () => {
+			it('prefetches programmatically', () => {
-				await nightmare
+				return nightmare
 					.goto(`${base}/about`)
-					.wait(() => window.READY);
+					.wait(() => window.READY)
-
+					.then(() => {
-				const requests = await capture(async () => {
+						return capture(() => {
-					return await nightmare
+							return nightmare
-						.click('.prefetch')
+								.click('.prefetch')
-						.wait(100);
+								.wait(100);
-				});
+						});
-
+					})
-				assert.ok(!!requests.find(r => r.url === '/api/blog/why-the-name'));
+					.then(requests => {
+						assert.ok(!!requests.find(r => r.url === '/api/blog/why-the-name'));
+					});
 			});
 
-			it('scrolls to active deeplink', async () => {
+			it('scrolls to active deeplink', () => {
-				const scrollY = await nightmare
+				return nightmare
 					.goto(`${base}/blog/a-very-long-post#four`)
 					.wait(() => window.READY)
 					.wait(100)
-					.evaluate(() => window.scrollY);
+					.evaluate(() => window.scrollY)
-
+					.then(scrollY => {
-				assert.ok(scrollY > 0, scrollY);
+						assert.ok(scrollY > 0, scrollY);
+					});
 			});
 
-			it('reuses prefetch promise', async () => {
+			it('reuses prefetch promise', () => {
-				await nightmare
+				return nightmare
 					.goto(`${base}/blog`)
 					.wait(() => window.READY)
-					.wait(200);
+					.wait(200)
+					.then(() => {
+						return capture(() => {
+							return nightmare
+								.mouseover('[href="/blog/what-is-sapper"]')
+								.wait(200);
+						});
+					})
+					.then(mouseover_requests => {
+						assert.deepEqual(mouseover_requests.map(r => r.url), [
+							'/api/blog/what-is-sapper'
+						]);
 
-				const mouseover_requests = (await capture(async () => {
+						return capture(() => {
-					await nightmare
+							return nightmare
-						.mouseover('[href="/blog/what-is-sapper"]')
+								.click('[href="/blog/what-is-sapper"]')
-						.wait(200);
+								.wait(200);
-				})).map(r => r.url);
+						});
-
+					})
-				assert.deepEqual(mouseover_requests, [
+					.then(click_requests => {
-					'/api/blog/what-is-sapper'
+						assert.deepEqual(click_requests.map(r => r.url), []);
-				]);
+					});
-
-				const click_requests = (await capture(async () => {
-					await nightmare
-						.click('[href="/blog/what-is-sapper"]')
-						.wait(200);
-				})).map(r => r.url);
-
-				assert.deepEqual(click_requests, []);
 			});
 
-			it('cancels navigation if subsequent navigation occurs during preload', async () => {
+			it('cancels navigation if subsequent navigation occurs during preload', () => {
-				await nightmare
+				return nightmare
 					.goto(base)
 					.wait(() => window.READY)
 					.click('a[href="/slow-preload"]')
 					.wait(100)
 					.click('a[href="/about"]')
-					.wait(100);
+					.wait(100)
-
+					.then(() => nightmare.path())
-				assert.equal(
+					.then(path => {
-					await nightmare.path(),
+						assert.equal(path, '/about');
-					'/about'
+						return nightmare.title();
-				);
+					})
-
+					.then(title => {
-				assert.equal(
+						assert.equal(title, 'About');
-					await nightmare.evaluate(() => document.querySelector('h1').textContent),
+						return nightmare.evaluate(() => window.fulfil({})).wait(100);
-					'About this site'
+					})
-				);
+					.then(() => nightmare.path())
-
+					.then(path => {
-				await nightmare
+						assert.equal(path, '/about');
-					.evaluate(() => window.fulfil({}))
+						return nightmare.title();
-					.wait(100);
+					})
-
+					.then(title => {
-				assert.equal(
+						assert.equal(title, 'About');
-					await nightmare.path(),
+					});
-					'/about'
-				);
-
-				assert.equal(
-					await nightmare.evaluate(() => document.querySelector('h1').textContent),
-					'About this site'
-				);
 			});
 
-			it('passes entire request object to preload', async () => {
+			it('passes entire request object to preload', () => {
-				const html = await nightmare
+				return nightmare
 					.goto(`${base}/show-url`)
-					.evaluate(() => document.querySelector('p').innerHTML);
+					.wait(() => window.READY)
+					.evaluate(() => document.querySelector('p').innerHTML)
+					.end().then(html => {
+						assert.equal(html, `URL is /show-url`);
+					});
+			});
 
-				assert.equal(html, `URL is /show-url`);
+			it('calls a delete handler', () => {
+				return nightmare
+					.goto(`${base}/delete-test`)
+					.wait(() => window.READY)
+					.click('.del')
+					.wait(() => window.deleted)
+					.evaluate(() => window.deleted.id)
+					.then(id => {
+						assert.equal(id, 42);
+					});
 			});
 		});
 
 		describe('headers', () => {
-			it('sets Content-Type and Link...preload headers', async () => {
+			it('sets Content-Type and Link...preload headers', () => {
-				const { headers } = await get('/');
+				return get('/').then(({ headers }) => {
+					assert.equal(
+						headers['Content-Type'],
+						'text/html'
+					);
 
-				assert.equal(
+					assert.ok(
-					headers['Content-Type'],
+						/<\/client\/main.\w+\.js>;rel="preload";as="script", <\/client\/_.\d+.\w+.js>;rel="preload";as="script"/.test(headers['Link']),
-					'text/html'
+						headers['Link']
-				);
+					);
-
+				});
-				assert.ok(
-					/<\/client\/main.\w+\.js>;rel="preload";as="script", <\/client\/_.\d+.\w+.js>;rel="preload";as="script"/.test(headers['Link']),
-					headers['Link']
-				);
 			});
 		});
 	});
@@ -322,4 +340,4 @@ function exec(cmd) {
 			fulfil();
 		});
 	});
-}
+}

webpack/config.js

@@ -6,7 +6,12 @@ module.exports = {
 	client: {
 		entry: () => {
 			return {
-				main: entry.client
+				main: [
+					entry.client,
+					// workaround for https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/456
+					'style-loader/lib/addStyles',
+					'css-loader/lib/css-base'
+				]
 			};
 		},
 
@@ -36,4 +41,4 @@ module.exports = {
 			};
 		}
 	}
-};
+};