refactor: Conditionally copying sw & template to new projects (#1508)

* refactor: Conditionally copying resources to template dirs

* refactor: Removed concept of "demo" from widgets so sw doesn't have much of a point there

* docs: Adding changeset

Author: rschristian

.changeset/healthy-toys-heal.md

@@ -0,0 +1,5 @@
+---
+'preact-cli': patch
+---
+
+On project create, the CLI won't copy the HTML template or the service worker when the source template is a widget

packages/cli/lib/commands/create.js

@@ -383,18 +383,23 @@ async function command(repo, dest, argv) {
 
 	const sourceDirectory = join(resolve(cwd, dest), 'src');
 
-	// Copy over template.html
-	const templateSrc = resolve(
-		__dirname,
-		join('..', 'resources', 'template.html')
-	);
-	const templateDest = join(sourceDirectory, 'template.html');
-	await copyFileToDestination(templateSrc, templateDest);
+	if (!repo.includes('widget')) {
+		// Copy over template.html
+		const templateSrc = resolve(
+			__dirname,
+			join('..', 'resources', 'template.html')
+		);
+		const templateDest = join(sourceDirectory, 'template.html');
+		await copyFileToDestination(templateSrc, templateDest);
 
-	// Copy over sw.js
-	const serviceWorkerSrc = resolve(__dirname, join('..', '..', 'sw', 'sw.js'));
-	const serviceWorkerDest = join(sourceDirectory, 'sw.js');
-	await copyFileToDestination(serviceWorkerSrc, serviceWorkerDest);
+		// Copy over sw.js
+		const serviceWorkerSrc = resolve(
+			__dirname,
+			join('..', '..', 'sw', 'sw.js')
+		);
+		const serviceWorkerDest = join(sourceDirectory, 'sw.js');
+		await copyFileToDestination(serviceWorkerSrc, serviceWorkerDest);
+	}
 
 	if (argv.install) {
 		spinner.text = 'Installing dependencies:\n';