ref

static-pages-bundler/routerForStaticPages.js

@@ -24,35 +24,31 @@ function mimeFor(filename) {
 }
 
 
-export function routerForStaticPages(rootPath, routes, template, templateArg) {
-	const altRoot = '/root-meta' // @Convention
-
+export function routerForStaticPages(rootPath, routes, templatePath, templateConstArg) {
+	const altRoot = '/root-meta'
 	return async function ({ url, headers }, response) {
 		try {
-			let htmlTemplate = html => html // A template is optional
-			if (template) {
-				const ht = await import(template + '?' + Date.now()) // The date is a cache workaround
-				htmlTemplate = templateArg
-					? ht.default.bind(null, templateArg)
-					: ht.default
-			}
-
-			if (url === '/') { /* Redirect to "/index" or fallback to the first route */
-				response.statusCode = 302 // Found (Temporary Redirect)
-				response.setHeader('Location', routes[Math.max(0, routes.indexOf('/index'))])
-				response.end()
-			}
+			/* Rewrite to "/index" or fallback to the first route */
+			if (url === '/')
+				url = routes[Math.max(0, routes.indexOf('/index'))]
 
-			else if (routes.includes(url)) { /* Serve Documents */
+			/* Serve Documents */
+			if (routes.includes(url)) {
+				let htmlTemplate = html => html
+				if (templatePath) {
+					const t = (await import(templatePath + '?' + Date.now())).default // The date is a cache workaround
+					htmlTemplate = templateConstArg ? t.bind(null, templateConstArg) : t
+				}
 				const html = await fs.promises.readFile(rootPath + url + '.html')
 				response.setHeader('Content-Type', mimeFor('html'))
 				response.end(htmlTemplate(html, routes.indexOf(url)))
+				return
 			}
 
-			else if (headers.range) { /* Serve Videos (by range) */
+			/* Serve Videos (Partial Content) */
+			if (headers.range) {
 				const { size } = await fs.promises.lstat(rootPath + url)
 				let [start, end] = headers.range.replace(/bytes=/, '').split('-').map(n => parseInt(n, 10))
-
 				if (isNaN(end)) end = size - 1
 				if (isNaN(start)) start = size - end
 
@@ -70,16 +66,16 @@ export function routerForStaticPages(rootPath, routes, template, templateArg) {
 					reader.on('open', function () { this.pipe(response) })
 					reader.on('error', function (error) { onError(error, response) })
 				}
+				return
 			}
 
-			else { /* Serve Static Assets */
-				response.setHeader('Content-Type', mimeFor(url))
-				const reader = fs.existsSync(rootPath + url)
-					? fs.createReadStream(rootPath + url)
-					: fs.createReadStream(rootPath + altRoot + url)
-				reader.on('open', function () { this.pipe(response) })
-				reader.on('error', function (error) { onError(error, response) })
-			}
+			/* Serve Static Assets */
+			response.setHeader('Content-Type', mimeFor(url))
+			const reader = fs.existsSync(rootPath + url)
+				? fs.createReadStream(rootPath + url)
+				: fs.createReadStream(rootPath + altRoot + url)
+			reader.on('open', function () { this.pipe(response) })
+			reader.on('error', function (error) { onError(error, response) })
 		}
 
 		catch (error) {
@@ -92,4 +88,4 @@ function onError(error, response) {
 	console.error(error)
 	response.statusCode = 404
 	response.end()
-}
+}