Support being mounted on a path — fixes #180

.gitignore

@@ -7,8 +7,7 @@ test/app/.sapper
 test/app/app/manifest
 test/app/export
 test/app/build
-*.js
-*.js.map
-*.ts.js
-*.ts.js.map
+sapper
+runtime.js
+dist
 !rollup.config.js

package.json

@@ -46,6 +46,7 @@
     "compression": "^1.7.1",
     "eslint": "^4.13.1",
     "eslint-plugin-import": "^2.8.0",
+    "express": "^4.16.3",
     "get-port": "^3.2.0",
     "mocha": "^5.0.4",
     "nightmare": "^3.0.0",

src/cli.ts

@@ -49,7 +49,8 @@ prog.command('start [dir]')
 
 prog.command('export [dest]')
 	.describe('Export your app as static files (if possible)')
-	.action(async (dest = 'export') => {
+	.option('--basepath', 'Specify a base path')
+	.action(async (dest = 'export', opts: { basepath?: string }) => {
 		console.log(`> Building...`);
 
 		process.env.NODE_ENV = 'production';
@@ -63,7 +64,7 @@ prog.command('export [dest]')
 			console.error(`\n> Built in ${elapsed(start)}. Crawling site...`);
 
 			const { exporter } = await import('./cli/export');
-			await exporter(dest);
+			await exporter(dest, opts);
 			console.error(`\n> Finished in ${elapsed(start)}. Type ${clorox.bold.cyan(`npx serve ${dest}`)} to run the app.`);
 		} catch (err) {
 			console.error(err ? err.details || err.stack || err.message || err : 'Unknown error');

src/cli/build.ts

@@ -34,7 +34,7 @@ export async function build() {
 	if (serviceworker) {
 		create_serviceworker_manifest({
 			routes,
-			client_files: client_stats.toJson().assets.map((chunk: { name: string }) => `/client/${chunk.name}`)
+			client_files: client_stats.toJson().assets.map((chunk: { name: string }) => `client/${chunk.name}`)
 		});
 
 		serviceworker_stats = await compile(serviceworker);

src/cli/dev.ts

@@ -259,7 +259,7 @@ export async function dev(opts: { port: number, open: boolean }) {
 			fs.writeFileSync(path.join(dir, 'client_info.json'), JSON.stringify(info, null, '  '));
 			deferreds.client.fulfil();
 
-			const client_files = info.assets.map((chunk: { name: string }) => `/client/${chunk.name}`);
+			const client_files = info.assets.map((chunk: { name: string }) => `client/${chunk.name}`);
 
 			deferreds.server.promise.then(() => {
 				hot_update_server.send({