test: implement basic testing for generated templates

Author: haoqunjiang

index.js

@@ -279,7 +279,10 @@ async function init() {
     // Rename entry in `index.html`
     const indexHtmlPath = path.resolve(root, 'index.html')
     const indexHtmlContent = fs.readFileSync(indexHtmlPath, 'utf8')
-    fs.writeFileSync(indexHtmlPath, indexHtmlContent.replace('src/main.js', 'src/main.ts'))
+    fs.writeFileSync(
+      indexHtmlPath,
+      indexHtmlContent.replace('src/main.js', 'src/main.ts')
+    )
   }
 
   if (!needsTests) {

package.json

@@ -17,7 +17,7 @@
   },
   "scripts": {
     "format": "prettier --write .",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "node test.js",
     "prepublishOnly": "node snapshot.js"
   },
   "repository": {