-> v0.5.1

Exporting

.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 +1,22 @@
 # sapper changelog
 
+## 0.5.1
+
+* Only write service-worker.js to filesystem in dev mode ([#90](https://github.com/sveltejs/sapper/issues/90))
+
+## 0.5.0
+
+* Experimental support for `sapper export` ([#9](https://github.com/sveltejs/sapper/issues/9))
+* Lazily load chokidar, for faster startup ([#64](https://github.com/sveltejs/sapper/pull/64))
+
+## 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))

cli/index.js

@@ -1,8 +1,29 @@
 #!/usr/bin/env node
 
+const build = require('../lib/build.js');
+
 const cmd = process.argv[2];
+const start = Date.now();
 
 if (cmd === 'build') {
-	process.env.NODE_ENV = 'production';
-	require('../lib/build.js')();
-}
+	build()
+		.then(() => {
+			const elapsed = Date.now() - start;
+			console.error(`built in ${elapsed}ms`); // TODO beautify this, e.g. 'built in 4.7 seconds'
+		})
+		.catch(err => {
+			console.error(err ? err.details || err.stack || err.message || err : 'Unknown error');
+		});
+} else if (cmd === 'export') {
+	const start = Date.now();
+
+	build()
+		.then(() => require('../lib/utils/export.js')())
+		.then(() => {
+			const elapsed = Date.now() - start;
+			console.error(`extracted in ${elapsed}ms`); // TODO beautify this, e.g. 'built in 4.7 seconds'
+		})
+		.catch(err => {
+			console.error(err ? err.details || err.stack || err.message || err : 'Unknown error');
+		});
+}

lib/build.js

@@ -1,3 +1,5 @@
+process.env.NODE_ENV = 'production';
+
 const fs = require('fs');
 const path = require('path');
 const mkdirp = require('mkdirp');
@@ -14,29 +16,32 @@ 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);
+	return new Promise((fulfil, reject) => {
+		function handleErrors(err, stats) {
+			if (err) {
+				reject(err);
+				process.exit(1);
+			}
+
+			if (stats.hasErrors()) {
+				console.error(stats.toString({ colors: true }));
+				reject(new Error(`Encountered errors while building app`));
+			}
 		}
 
-		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, '  '));
 
-	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, '  '));
 
-		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);
+				generate_asset_cache(clientInfo, serverInfo);
+				fulfil();
+			});
 		});
 	});
-};
+};

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) => {
-			asset_cache = await watcher.ready;
-			next();
+		(req, res, next) => {
+			watcher.ready.then(cache => {
+				asset_cache = cache;
+				next();
+			});
 		},
 
 		set_req_pathname,
@@ -125,76 +128,98 @@ function get_asset_handler(opts) {
 	};
 }
 
-function get_route_handler(fn) {
-	return async function handle_route(req, res, next) {
-		const url = req.pathname;
+const resolved = Promise.resolve();
 
-		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 {
-			for (const route of route_manager.routes) {
-				if (route.test(url)) {
-					req.params = route.exec(url);
-
-					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;
+		resolved
+			.then(() => {
+				for (const route of route_manager.routes) {
+					if (route.test(url)) return handle_route(route, req, res, next, fn());
 				}
-			}
 
-			next();
-		} catch(err) {
-			res.status(500);
-			res.end(templates.render(500, {
-				title: (err && err.name) || 'Internal server error',
-				url,
-				error: escape_html(err && (err.details || err.message || err) || 'Unknown error'),
-				stack: err && err.stack.split('\n').slice(1).join('\n')
-			}));
-		}
+				// no matching route — 404
+				next();
+			})
+			.catch(err => {
+				res.status(500);
+				res.end(templates.render(500, {
+					title: (err && err.name) || 'Internal server error',
+					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/route_manager.js

@@ -1,5 +1,4 @@
 const glob = require('glob');
-const chokidar = require('chokidar');
 const create_routes = require('./utils/create_routes.js');
 const { src, dev } = require('./config.js');
 
@@ -20,7 +19,7 @@ function update() {
 update();
 
 if (dev) {
-	const watcher = chokidar.watch(`${src}/**/*.+(html|js|mjs)`, {
+	const watcher = require('chokidar').watch(`${src}/**/*.+(html|js|mjs)`, {
 		ignoreInitial: true,
 		persistent: false
 	});
@@ -28,4 +27,4 @@ if (dev) {
 	watcher.on('add', update);
 	watcher.on('change', update);
 	watcher.on('unlink', update);
-}
+}

lib/templates.js

@@ -1,10 +1,21 @@
 const fs = require('fs');
 const glob = require('glob');
-const chokidar = require('chokidar');
+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 => {
@@ -12,7 +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 = (
@@ -31,10 +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) {
@@ -53,9 +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]]);
-						i = end + 1;
-					} while (i < template.length);
+						return Promise.resolve(data[match[1]]).then(datamatch => {
+							res.write(datamatch);
+							i = end + 1;
+							return stream_inner();
+						});
+					}
+
+					return Promise.resolve().then(stream_inner);
 				}
 			};
 		})
@@ -65,7 +102,7 @@ function create_templates() {
 create_templates();
 
 if (dev) {
-	const watcher = chokidar.watch('templates/**.html', {
+	const watcher = require('chokidar').watch('templates/**.html', {
 		ignoreInitial: true,
 		persistent: false
 	});
@@ -87,4 +124,4 @@ exports.stream = (res, status, data) => {
 	if (template) return template.stream(res, data);
 
 	return `Missing template for status code ${status}`;
-};
+};

lib/utils/create_app.js

@@ -1,6 +1,5 @@
 const fs = require('fs');
 const path = require('path');
-const chokidar = require('chokidar');
 const route_manager = require('../route_manager.js');
 const { src, entry, dev } = require('../config.js');
 
@@ -70,7 +69,7 @@ function create_app() {
 if (dev) {
 	route_manager.onchange(create_app);
 
-	const watcher = chokidar.watch(`templates/main.js`, {
+	const watcher = require('chokidar').watch(`templates/main.js`, {
 		ignoreInitial: true,
 		persistent: false
 	});
@@ -80,4 +79,4 @@ if (dev) {
 	watcher.on('unlink', create_app);
 }
 
-module.exports = create_app;
+module.exports = create_app;

lib/utils/create_routes.js

@@ -31,7 +31,7 @@ module.exports = function create_matchers(files) {
 				}
 			}
 
-			const pattern = new RegExp(`^${pattern_string || '\\/'}$`);
+			const pattern = new RegExp(`^${pattern_string}\\/?$`);
 
 			const test = url => pattern.test(url);
 

lib/utils/export.js

@@ -0,0 +1,87 @@
+const sander = require('sander');
+const app = require('express')();
+const cheerio = require('cheerio');
+const fetch = require('node-fetch');
+const URL = require('url-parse');
+const sapper = require('../index.js');
+
+const { PORT = 3000, OUTPUT_DIR = 'dist' } = process.env;
+const { dest } = require('../config.js');
+
+const origin = `http://localhost:${PORT}`;
+
+module.exports = function() {
+	// Prep output directory
+	sander.rimrafSync(OUTPUT_DIR);
+
+	sander.copydirSync('assets').to(OUTPUT_DIR);
+	sander.copydirSync(`${dest}/client`).to(`${OUTPUT_DIR}/client`);
+	sander.copyFileSync(`${dest}/service-worker.js`).to(`${OUTPUT_DIR}/service-worker.js`);
+
+	// Intercept server route fetches
+	function save(res) {
+		res = res.clone();
+
+		return res.text().then(body => {
+			const { pathname } = new URL(res.url);
+			let dest = OUTPUT_DIR + pathname;
+
+			const type = res.headers.get('Content-Type');
+			if (type.startsWith('text/html;')) dest += '/index.html';
+
+			sander.writeFileSync(dest, body);
+
+			return body;
+		});
+	}
+
+	global.fetch = (url, opts) => {
+		if (url[0] === '/') {
+			url = `http://localhost:${PORT}${url}`;
+
+			return fetch(url, opts)
+				.then(r => {
+					save(r);
+					return r;
+				});
+		}
+
+		return fetch(url, opts);
+	};
+
+	app.use(sapper());
+	const server = app.listen(PORT);
+
+	const seen = new Set();
+
+	function handle(url) {
+		if (url.origin !== origin) return;
+
+		if (seen.has(url.pathname)) return;
+		seen.add(url.pathname);
+
+		return fetch(url.href)
+			.then(r => {
+				save(r);
+				return r.text();
+			})
+			.then(body => {
+				const $ = cheerio.load(body);
+				const hrefs = [];
+
+				$('a[href]').each((i, $a) => {
+					hrefs.push($a.attribs.href);
+				});
+
+				return hrefs.reduce((promise, href) => {
+					return promise.then(() => handle(new URL(href, url.href)));
+				}, Promise.resolve());
+			})
+			.catch(err => {
+				console.error(`Error rendering ${url.pathname}: ${err.message}`);
+			});
+	}
+
+	return handle(new URL(origin)) // TODO all static routes
+		.then(() => server.close());
+};

package-lock.json

@@ -1,14 +1,13 @@
 {
   "name": "sapper",
-  "version": "0.2.10",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@types/node": {
-      "version": "7.0.51",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-7.0.51.tgz",
-      "integrity": "sha512-h5u7FnEnG+Fn44HfknTTvu199FzFWVSo97ToSRWvXl1F11UfN6wGnE7exUy23pFfDn+CeluvEoCoe4l2eCVC3g==",
-      "dev": true
+      "version": "7.0.52",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-7.0.52.tgz",
+      "integrity": "sha512-jjpyQsKGsOF/wUElNjfPULk+d8PKvJOIXk3IUeBYYmNCy5dMWfrI+JiixYNw8ppKOlcRwWTXFl0B+i5oGrf95Q=="
     },
     "accepts": {
       "version": "1.3.4",
@@ -21,9 +20,9 @@
       }
     },
     "acorn": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.2.1.tgz",
-      "integrity": "sha512-jG0u7c4Ly+3QkkW18V+NRDN+4bWHdln30NL1ZL2AvFZZmQe/BfopYCtghCKKVBUSetZ4QKcyA0pY6/4Gw8Pv8w=="
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.3.0.tgz",
+      "integrity": "sha512-Yej+zOJ1Dm/IMZzzj78OntP/r3zHEaKcyNoU2lAaxPtrseM6rF0xwqoz5Q5ysAiED9hTjI2hgtvLXitlCN1/Ug=="
     },
     "acorn-dynamic-import": {
       "version": "2.0.2",
@@ -256,7 +255,7 @@
       "dev": true,
       "requires": {
         "browserslist": "1.7.7",
-        "caniuse-db": "1.0.30000784",
+        "caniuse-db": "1.0.30000791",
         "normalize-range": "0.1.2",
         "num2fraction": "1.2.2",
         "postcss": "5.2.18",
@@ -357,7 +356,7 @@
         "bytes": "3.0.0",
         "content-type": "1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.1",
+        "depd": "1.1.2",
         "http-errors": "1.6.2",
         "iconv-lite": "0.4.19",
         "on-finished": "2.3.0",
@@ -377,6 +376,11 @@
         }
       }
     },
+    "boolbase": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
+      "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
+    },
     "boom": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/boom/-/boom-4.3.1.tgz",
@@ -455,7 +459,7 @@
       "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
       "requires": {
         "bn.js": "4.11.8",
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+      }
     },
     "p-locate": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
       "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
       "requires": {
-        "p-limit": "1.1.0"
+        "p-limit": "1.2.0"
       }
     },
+    "p-try": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+      "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M="
+    },
     "pako": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.6.tgz",
@@ -4509,6 +4666,14 @@
         "error-ex": "1.3.1"
       }
     },
+    "parse5": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/parse5/-/parse5-3.0.3.tgz",
+      "integrity": "sha512-rgO9Zg5LLLkfJF9E6CCmXlSE4UVceloys8JrFqCcHloC3usd/kJCyPDwH2SOlzix2j3xaP9sUX3e8+kvkuleAA==",
+      "requires": {
+        "@types/node": "7.0.52"
+      }
+    },
     "parseurl": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
@@ -4884,18 +5049,18 @@
       "integrity": "sha1-thTJcgvmgW6u41+zpfqh26agXds=",
       "dev": true,
       "requires": {
-        "postcss": "6.0.14"
+        "postcss": "6.0.16"
       },
       "dependencies": {
         "postcss": {
-          "version": "6.0.14",
-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.14.tgz",
-          "integrity": "sha512-NJ1z0f+1offCgadPhz+DvGm5Mkci+mmV5BqD13S992o0Xk9eElxUfPPF+t2ksH5R/17gz4xVK8KWocUQ5o3Rog==",
+          "version": "6.0.16",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.16.tgz",
+          "integrity": "sha512-m758RWPmSjFH/2MyyG3UOW1fgYbR9rtdzz5UNJnlm7OLtu4B2h9C6gi+bE4qFKghsBRFfZT8NzoQBs6JhLotoA==",
           "dev": true,
           "requires": {
             "chalk": "2.3.0",
             "source-map": "0.6.1",
-            "supports-color": "4.5.0"
+            "supports-color": "5.1.0"
           }
         },
         "source-map": {
@@ -4903,6 +5068,15 @@
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "supports-color": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.1.0.tgz",
+          "integrity": "sha512-Ry0AwkoKjDpVKK4sV4h6o3UJmNRbjYm2uXhwfj3J56lMVdvnUNqzQVRztOOMGQ++w1K/TjNDFvpJk0F/LoeBCQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
         }
       }
     },
@@ -4913,18 +5087,18 @@
       "dev": true,
       "requires": {
         "css-selector-tokenizer": "0.7.0",
-        "postcss": "6.0.14"
+        "postcss": "6.0.16"
       },
       "dependencies": {
         "postcss": {
-          "version": "6.0.14",
-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.14.tgz",
-          "integrity": "sha512-NJ1z0f+1offCgadPhz+DvGm5Mkci+mmV5BqD13S992o0Xk9eElxUfPPF+t2ksH5R/17gz4xVK8KWocUQ5o3Rog==",
+          "version": "6.0.16",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.16.tgz",
+          "integrity": "sha512-m758RWPmSjFH/2MyyG3UOW1fgYbR9rtdzz5UNJnlm7OLtu4B2h9C6gi+bE4qFKghsBRFfZT8NzoQBs6JhLotoA==",
           "dev": true,
           "requires": {
             "chalk": "2.3.0",
             "source-map": "0.6.1",
-            "supports-color": "4.5.0"
+            "supports-color": "5.1.0"
           }
         },
         "source-map": {
@@ -4932,6 +5106,15 @@
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "supports-color": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.1.0.tgz",
+          "integrity": "sha512-Ry0AwkoKjDpVKK4sV4h6o3UJmNRbjYm2uXhwfj3J56lMVdvnUNqzQVRztOOMGQ++w1K/TjNDFvpJk0F/LoeBCQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
         }
       }
     },
@@ -4942,18 +5125,18 @@
       "dev": true,
       "requires": {
         "css-selector-tokenizer": "0.7.0",
-        "postcss": "6.0.14"
+        "postcss": "6.0.16"
       },
       "dependencies": {
         "postcss": {
-          "version": "6.0.14",
-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.14.tgz",
-          "integrity": "sha512-NJ1z0f+1offCgadPhz+DvGm5Mkci+mmV5BqD13S992o0Xk9eElxUfPPF+t2ksH5R/17gz4xVK8KWocUQ5o3Rog==",
+          "version": "6.0.16",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.16.tgz",
+          "integrity": "sha512-m758RWPmSjFH/2MyyG3UOW1fgYbR9rtdzz5UNJnlm7OLtu4B2h9C6gi+bE4qFKghsBRFfZT8NzoQBs6JhLotoA==",
           "dev": true,
           "requires": {
             "chalk": "2.3.0",
             "source-map": "0.6.1",
-            "supports-color": "4.5.0"
+            "supports-color": "5.1.0"
           }
         },
         "source-map": {
@@ -4961,6 +5144,15 @@
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "supports-color": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.1.0.tgz",
+          "integrity": "sha512-Ry0AwkoKjDpVKK4sV4h6o3UJmNRbjYm2uXhwfj3J56lMVdvnUNqzQVRztOOMGQ++w1K/TjNDFvpJk0F/LoeBCQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
         }
       }
     },
@@ -4971,18 +5163,18 @@
       "dev": true,
       "requires": {
         "icss-replace-symbols": "1.1.0",
-        "postcss": "6.0.14"
+        "postcss": "6.0.16"
       },
       "dependencies": {
         "postcss": {
-          "version": "6.0.14",
-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.14.tgz",
-          "integrity": "sha512-NJ1z0f+1offCgadPhz+DvGm5Mkci+mmV5BqD13S992o0Xk9eElxUfPPF+t2ksH5R/17gz4xVK8KWocUQ5o3Rog==",
+          "version": "6.0.16",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.16.tgz",
+          "integrity": "sha512-m758RWPmSjFH/2MyyG3UOW1fgYbR9rtdzz5UNJnlm7OLtu4B2h9C6gi+bE4qFKghsBRFfZT8NzoQBs6JhLotoA==",
           "dev": true,
           "requires": {
             "chalk": "2.3.0",
             "source-map": "0.6.1",
-            "supports-color": "4.5.0"
+            "supports-color": "5.1.0"
           }
         },
         "source-map": {
@@ -4990,6 +5182,15 @@
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "supports-color": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.1.0.tgz",
+          "integrity": "sha512-Ry0AwkoKjDpVKK4sV4h6o3UJmNRbjYm2uXhwfj3J56lMVdvnUNqzQVRztOOMGQ++w1K/TjNDFvpJk0F/LoeBCQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
         }
       }
     },
@@ -5196,7 +5397,7 @@
         "browserify-rsa": "4.0.1",
         "create-hash": "1.1.3",
         "parse-asn1": "5.1.0",
-        "randombytes": "2.0.5"
+        "randombytes": "2.0.6"
       }
     },
     "punycode": {
@@ -5274,9 +5475,9 @@
       }
     },
     "randombytes": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.0.5.tgz",
-      "integrity": "sha512-8T7Zn1AhMsQ/HI1SjcCfT/t4ii3eAqco3yOcSzS4mozsOz69lHLsoMXmF9nZgnFanYscnSlUSgs8uZyKzpE6kg==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.0.6.tgz",
+      "integrity": "sha512-CIQ5OFxf4Jou6uOKe9t1AOgqpeU5fd70A8NPdHSGeYXqXsPe6peOwI0cUl88RWZ6sP1vPMV3avd/R6cZ5/sP1A==",
       "requires": {
         "safe-buffer": "5.1.1"
       }
@@ -5286,7 +5487,7 @@
       "resolved": "https://registry.npmjs.org/randomfill/-/randomfill-1.0.3.tgz",
       "integrity": "sha512-YL6GrhrWoic0Eq8rXVbMptH7dAxCs0J+mh5Y0euNekPPYaxEmdVGim6GdoxoRzKW2yJoU8tueifS7mYxvcFDEQ==",
       "requires": {
-        "randombytes": "2.0.5",
+        "randombytes": "2.0.6",
         "safe-buffer": "5.1.1"
       }
     },
@@ -5309,9 +5510,9 @@
       }
     },
     "rc": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.2.tgz",
-      "integrity": "sha1-2M6ctX6NZNnHut2YdsfDTL48cHc=",
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.3.tgz",
+      "integrity": "sha1-UVdakA+N1oOBxxC0cSwhVMPiA1s=",
       "dev": true,
       "requires": {
         "deep-extend": "0.4.2",
@@ -5596,9 +5797,9 @@
       }
     },
     "rollup": {
-      "version": "0.53.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.53.0.tgz",
-      "integrity": "sha512-bG5RzkF7wcOHmKoVAFtERZ5P9TNJP9/AF+ldwGm/Rx6pejura+Z9BDU0GJtzWu+lYXwjfINmgiCclhLJzP/OXA==",
+      "version": "0.53.4",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.53.4.tgz",
+      "integrity": "sha512-ErW5cFw5KY/qiyUlPDJ7iBhw51Iro/oyvxETupO85bMg5T7MLlFj3lEDzwjLTOxJAyzWQanUYj/LZHm6aLLm5w==",
       "dev": true
     },
     "rollup-plugin-typescript": {
@@ -5667,6 +5868,16 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
       "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
     },
+    "sander": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/sander/-/sander-0.6.0.tgz",
+      "integrity": "sha1-rxYkzX+2362Y6+9WUxn5IAeNqSU=",
+      "requires": {
+        "graceful-fs": "4.1.11",
+        "mkdirp": "0.5.1",
+        "rimraf": "2.6.2"
+      }
+    },
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
@@ -5694,7 +5905,7 @@
       "dev": true,
       "requires": {
         "debug": "2.6.9",
-        "depd": "1.1.1",
+        "depd": "1.1.2",
         "destroy": "1.0.4",
         "encodeurl": "1.0.1",
         "escape-html": "1.0.3",
@@ -5719,6 +5930,11 @@
         }
       }
     },
+    "serialize-javascript": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.4.0.tgz",
+      "integrity": "sha1-fJWFFNtqwkQ6irwGLcn3iGp/YAU="
+    },
     "serve-static": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.1.tgz",
@@ -6109,15 +6325,15 @@
       }
     },
     "svelte": {
-      "version": "1.49.1",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-1.49.1.tgz",
-      "integrity": "sha512-oiB4nF19AAQsD+lvJ1ycb58Iqc1NoZjNvyf0dG+i/RjFU3CLQtCO7pdiJN72IwPYtHAqMRFra/Qkayg8VSFH4A==",
+      "version": "1.51.1",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-1.51.1.tgz",
+      "integrity": "sha512-Uf9huHmtXLzdmkfuEYQeXMvFE9dt8M9/jzujX3/Q2Ek2dzvVz1ARTLP76hlnGqUf4q28w8wfkQxFEx4LgDV5MQ==",
       "dev": true
     },
     "svelte-loader": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/svelte-loader/-/svelte-loader-2.3.2.tgz",
-      "integrity": "sha512-0lIt2GGqHtLETRl8rixXW8Vkij/GnukU+3gZ3Yvww1c2XwVjaucVXQgui5J7bStAtdAmOq+DHjGbwLPsgg47cg==",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/svelte-loader/-/svelte-loader-2.3.3.tgz",
+      "integrity": "sha512-OdBoANPvNdP1G3DVzHXdjMetv2kFrv7+R5lhKhcp+E6ew3Gna20+Ja+Sq3gVN9O4vwfhTfrWBhWMFtbfJr1kug==",
       "dev": true,
       "requires": {
         "loader-utils": "1.1.0",
@@ -6497,9 +6713,9 @@
       }
     },
     "wait-on": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/wait-on/-/wait-on-2.0.2.tgz",
-      "integrity": "sha1-CoT9BwJMb8Joyw6r5YW+IXqvK6o=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wait-on/-/wait-on-2.1.0.tgz",
+      "integrity": "sha512-hDwJ674+7dfiiK/cxtYCwPxlnjXDjto/pCz1PF02sXUhqCqCWsgvxZln0699PReWqXXgkxqkF6DDo5Rj9sjNvw==",
       "dev": true,
       "requires": {
         "core-js": "2.5.3",
@@ -6517,6 +6733,15 @@
         }
       }
     },
+    "walk-sync": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/walk-sync/-/walk-sync-0.3.2.tgz",
+      "integrity": "sha512-FMB5VqpLqOCcqrzA9okZFc0wq0Qbmdm396qJxvQZhDpyu0W95G9JCmp74tx7iyYnyOcBtUuKJsgIKAqjozvmmQ==",
+      "requires": {
+        "ensure-posix-path": "1.0.2",
+        "matcher-collection": "1.0.5"
+      }
+    },
     "watchpack": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.4.0.tgz",
@@ -6532,7 +6757,7 @@
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-3.10.0.tgz",
       "integrity": "sha512-fxxKXoicjdXNUMY7LIdY89tkJJJ0m1Oo8PQutZ5rLgWbV5QVKI15Cn7+/IHnRTd3vfKfiwBx6SBqlorAuNA8LA==",
       "requires": {
-        "acorn": "5.2.1",
+        "acorn": "5.3.0",
         "acorn-dynamic-import": "2.0.2",
         "ajv": "5.5.2",
         "ajv-keywords": "2.1.1",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sapper",
-  "version": "0.3.2",
+  "version": "0.5.1",
   "description": "Military-grade apps, engineered by Svelte",
   "main": "lib/index.js",
   "bin": {
@@ -18,12 +18,19 @@
   },
   "dependencies": {
     "chalk": "^2.3.0",
+    "cheerio": "^1.0.0-rc.2",
     "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",
+    "sander": "^0.6.0",
+    "serialize-javascript": "^1.4.0",
+    "url-parse": "^1.2.0",
+    "walk-sync": "^0.3.2",
     "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) {
-	return Promise.resolve(
-		Component.preload ? Component.preload(data) : {}
-	).then(preloaded => {
+function prepare_route(Component: ComponentConstructor, data: RouteData) {
+	if (!Component.preload) {
+		return { Component, data };
+	}
+
+	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);
-        if (!a || a.rel !== 'prefetch') return;
+	const a: HTMLAnchorElement = <HTMLAnchorElement>findAnchor(<Node>event.target);
+	if (!a || a.rel !== 'prefetch') return;
 
-        prefetch(a.href);
+	prefetch(a.href);
 }
 
 let inited: boolean;

test/app/.gitignore

@@ -3,4 +3,5 @@ node_modules
 .sapper
 yarn.lock
 cypress/screenshots
-templates/.*
+templates/.*
+dist

test/app/package-lock.json

@@ -2722,9 +2722,9 @@
       "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ="
     },
     "marked": {
-      "version": "0.3.7",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-0.3.7.tgz",
-      "integrity": "sha512-zBEP4qO1YQp5aXHt8S5wTiOv9i2X74V/LQL0zhUNvVaklt6Ywa6lChxIvS+ibYlCGgADwKwZFhjC3+XfpsvQvQ=="
+      "version": "0.3.9",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-0.3.9.tgz",
+      "integrity": "sha512-nW5u0dxpXxHfkHzzrveY45gCbi+R4PaO4WRZYqZNl+vB0hVGeqlFn0aOg1c8AKL63TrNFn9Bm2UP4AdiZ9TPLw=="
     },
     "math-expression-evaluator": {
       "version": "1.2.17",

test/app/package.json

@@ -15,7 +15,7 @@
     "express": "^4.16.2",
     "extract-text-webpack-plugin": "^3.0.2",
     "glob": "^7.1.2",
-    "marked": "^0.3.7",
+    "marked": "^0.3.9",
     "node-fetch": "^1.7.3",
     "npm-run-all": "^4.1.2",
     "serve-static": "^1.13.1",

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/blog/index.html

@@ -32,7 +32,7 @@
 		},
 
 		preload({ params, query }) {
-			return fetch(`/api/blog`).then(r => r.json()).then(posts => {
+			return fetch(`/api/blog/contents`).then(r => r.json()).then(posts => {
 				return { posts };
 			});
 		}

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

@@ -5,10 +5,17 @@ const serve = require('serve-static');
 const Nightmare = require('nightmare');
 const getPort = require('get-port');
 const fetch = require('node-fetch');
+const walkSync = require('walk-sync');
 
 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 +69,60 @@ 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`).then(() => exec(`${cli} export`));
 			}
 
-			const resolved = require.resolve('../..');
-			delete require.cache[resolved];
-			const sapper = require(resolved);
+			return exec_promise.then(() => {
+				const resolved = require.resolve('../..');
+				delete require.cache[resolved];
+				sapper = require(resolved);
 
-			PORT = await getPort();
-			base = `http://localhost:${PORT}`;
+				return getPort();
+			}).then(port => {
+				PORT = port;
+				base = `http://localhost:${PORT}`;
 
-			global.fetch = (url, opts) => {
-				if (url[0] === '/') url = `${base}${url}`;
-				return fetch(url, opts);
-			};
+				global.fetch = (url, opts) => {
+					if (url[0] === '/') url = `${base}${url}`;
+					return fetch(url, opts);
+				};
 
-			let captured;
-			capture = async fn => {
-				const result = captured = [];
-				await fn();
-				captured = null;
-				return result;
-			};
+				let captured;
+				capture = fn => {
+					const result = captured = [];
+					return fn().then(() => {
+						captured = null;
+						return result;
+					});
+				};
 
-			const app = express();
+				const app = express();
 
-			app.use(serve('assets'));
+				app.use(serve('assets'));
 
-			app.use((req, res, next) => {
-				if (captured) captured.push(req);
-				next();
-			});
+				app.use((req, res, next) => {
+					if (captured) captured.push(req);
+					next();
+				});
 
-			middleware = sapper();
-			app.use(middleware);
+				middleware = sapper();
+				app.use(middleware);
 
-			return new Promise((fulfil, reject) => {
-				server = app.listen(PORT, err => {
-					if (err) reject(err);
-					else fulfil();
+				return new Promise((fulfil, reject) => {
+					server = app.listen(PORT, err => {
+						if (err) reject(err);
+						else fulfil();
+					});
 				});
 			});
 		});
@@ -137,189 +152,265 @@ function run(env) {
 				});
 			});
 
-			afterEach(async () => {
-				await nightmare.end();
+			afterEach(() => {
+				return nightmare.end();
 			});
 
-			it('serves /', async () => {
-				const title = await nightmare
-					.goto(base)
-					.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"]');
+			it('serves /', () => {
+				return nightmare.goto(base).page.title().then(title => {
+					assert.equal(title, 'Great success!');
 				});
-
-				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 () => {
-				await nightmare
+			it('serves static route', () => {
+				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);
-
-				assert.equal(
-					await nightmare.evaluate(() => document.title),
-					'What is Sapper?'
-				);
+					.wait(100)
+					.title()
+					.then(title => {
+						assert.equal(title, 'What is Sapper?');
+					});
 			});
 
-			it('prefetches programmatically', async () => {
-				await nightmare
+			it('prefetches programmatically', () => {
+				return nightmare
 					.goto(`${base}/about`)
-					.wait(() => window.READY);
-
-				const requests = await capture(async () => {
-					return await nightmare
-						.click('.prefetch')
-						.wait(100);
-				});
-
-				assert.ok(!!requests.find(r => r.url === '/api/blog/why-the-name'));
+					.wait(() => window.READY)
+					.then(() => {
+						return capture(() => {
+							return nightmare
+								.click('.prefetch')
+								.wait(100);
+						});
+					})
+					.then(requests => {
+						assert.ok(!!requests.find(r => r.url === '/api/blog/why-the-name'));
+					});
 			});
 
-			it('scrolls to active deeplink', async () => {
-				const scrollY = await nightmare
+			it('scrolls to active deeplink', () => {
+				return nightmare
 					.goto(`${base}/blog/a-very-long-post#four`)
 					.wait(() => window.READY)
 					.wait(100)
-					.evaluate(() => window.scrollY);
-
-				assert.ok(scrollY > 0, scrollY);
+					.evaluate(() => window.scrollY)
+					.then(scrollY => {
+						assert.ok(scrollY > 0, scrollY);
+					});
 			});
 
-			it('reuses prefetch promise', async () => {
-				await nightmare
+			it('reuses prefetch promise', () => {
+				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 () => {
-					await nightmare
-						.mouseover('[href="/blog/what-is-sapper"]')
-						.wait(200);
-				})).map(r => r.url);
-
-				assert.deepEqual(mouseover_requests, [
-					'/api/blog/what-is-sapper'
-				]);
-
-				const click_requests = (await capture(async () => {
-					await nightmare
-						.click('[href="/blog/what-is-sapper"]')
-						.wait(200);
-				})).map(r => r.url);
-
-				assert.deepEqual(click_requests, []);
+						return capture(() => {
+							return nightmare
+								.click('[href="/blog/what-is-sapper"]')
+								.wait(200);
+						});
+					})
+					.then(click_requests => {
+						assert.deepEqual(click_requests.map(r => r.url), []);
+					});
 			});
 
-			it('cancels navigation if subsequent navigation occurs during preload', async () => {
-				await nightmare
+			it('cancels navigation if subsequent navigation occurs during preload', () => {
+				return nightmare
 					.goto(base)
 					.wait(() => window.READY)
 					.click('a[href="/slow-preload"]')
 					.wait(100)
 					.click('a[href="/about"]')
-					.wait(100);
-
-				assert.equal(
-					await nightmare.path(),
-					'/about'
-				);
-
-				assert.equal(
-					await nightmare.evaluate(() => document.querySelector('h1').textContent),
-					'About this site'
-				);
-
-				await nightmare
-					.evaluate(() => window.fulfil({}))
-					.wait(100);
-
-				assert.equal(
-					await nightmare.path(),
-					'/about'
-				);
-
-				assert.equal(
-					await nightmare.evaluate(() => document.querySelector('h1').textContent),
-					'About this site'
-				);
+					.wait(100)
+					.then(() => nightmare.path())
+					.then(path => {
+						assert.equal(path, '/about');
+						return nightmare.title();
+					})
+					.then(title => {
+						assert.equal(title, 'About');
+						return nightmare.evaluate(() => window.fulfil({})).wait(100);
+					})
+					.then(() => nightmare.path())
+					.then(path => {
+						assert.equal(path, '/about');
+						return nightmare.title();
+					})
+					.then(title => {
+						assert.equal(title, 'About');
+					});
 			});
 
-			it('passes entire request object to preload', async () => {
-				const html = await nightmare
+			it('passes entire request object to preload', () => {
+				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 () => {
-				const { headers } = await get('/');
+			it('sets Content-Type and Link...preload headers', () => {
+				return get('/').then(({ headers }) => {
+					assert.equal(
+						headers['Content-Type'],
+						'text/html'
+					);
 
-				assert.equal(
-					headers['Content-Type'],
-					'text/html'
-				);
-
-				assert.ok(
-					/<\/client\/main.\w+\.js>;rel="preload";as="script", <\/client\/_.\d+.\w+.js>;rel="preload";as="script"/.test(headers['Link']),
-					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']
+					);
+				});
 			});
 		});
+
+		if (env === 'production') {
+			describe('export', () => {
+				it('export all pages', () => {
+					const dest = path.resolve(__dirname, '../app/dist');
+
+					// Pages that should show up in the extraction directory.
+					const expectedPages = [
+						'index.html',
+						'about/index.html',
+						'slow-preload/index.html',
+
+						'blog/index.html',
+						'blog/a-very-long-post/index.html',
+						'blog/how-can-i-get-involved/index.html',
+						'blog/how-is-sapper-different-from-next/index.html',
+						'blog/how-to-use-sapper/index.html',
+						'blog/what-is-sapper/index.html',
+						'blog/why-the-name/index.html',
+
+						'api/blog/contents',
+						'api/blog/a-very-long-post',
+						'api/blog/how-can-i-get-involved',
+						'api/blog/how-is-sapper-different-from-next',
+						'api/blog/how-to-use-sapper',
+						'api/blog/what-is-sapper',
+						'api/blog/why-the-name',
+
+						'favicon.png',
+						'global.css',
+						'great-success.png',
+						'manifest.json',
+						'service-worker.js',
+						'svelte-logo-192.png',
+						'svelte-logo-512.png',
+					];
+					// Client scripts that should show up in the extraction directory.
+					const expectedClientRegexes = [
+						/client\/_\..*?\.js/,
+						/client\/about\..*?\.js/,
+						/client\/blog_\$slug\$\..*?\.js/,
+						/client\/blog\..*?\.js/,
+						/client\/main\..*?\.js/,
+						/client\/show_url\..*?\.js/,
+						/client\/slow_preload\..*?\.js/,
+					];
+					const allPages = walkSync(dest);
+
+					expectedPages.forEach((expectedPage) => {
+						assert.ok(allPages.includes(expectedPage),
+						    `Could not find page matching ${expectedPage}`);
+					});
+					expectedClientRegexes.forEach((expectedRegex) => {
+						// Ensure each client page regular expression matches at least one
+						// generated page.
+						let matched = false;
+						for (const page of allPages) {
+							if (expectedRegex.test(page)) {
+								matched = true;
+								break;
+							}
+						}
+						assert.ok(matched,
+							  `Could not find client page matching ${expectedRegex}`);
+					});
+				});
+			});
+		}
 	});
 }
 
 function exec(cmd) {
 	return new Promise((fulfil, reject) => {
-		require('child_process').exec(cmd, (err, stdout, stderr) => {
-			if (err) {
-				process.stdout.write(stdout);
-				process.stderr.write(stderr);
+		const parts = cmd.split(' ');
+		const proc = require('child_process').spawn(parts.shift(), parts);
 
-				return reject(err);
-			}
-
-			fulfil();
+		proc.stdout.on('data', data => {
+			process.stdout.write(data);
 		});
+
+		proc.stderr.on('data', data => {
+			process.stderr.write(data);
+		});
+
+		proc.on('error', reject);
+
+		proc.on('close', () => 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 = {
 			};
 		}
 	}
-};
+};