main, begin to minify HTML.

main.js

@@ -14,6 +14,8 @@ const execSync = require('child_process').execSync;
 
 const fs = require('fs');
 
+const { minify } = require('html-minifier-terser');
+
 //// Global Variables ////
 
 const DEBUG = false;
@@ -44,6 +46,18 @@ const stringsToRemove = [
 
 //// Functions ////
 
+async function mini(html) {
+	//console.log(`html=${html}`);
+	const minified = await minify(html, {
+		collapseWhitespace: true,
+		removeComments: true,
+		minifyJS: true,
+		minifyCSS: true
+	});
+	//console.log(`minified=${minified}`);
+	return minified.toString();
+}
+
 /* Code exists inside a main function so that we may use async/await.
 */
 async function main() {
@@ -149,12 +163,13 @@ async function main() {
 	// TBD/TODO would be great to log this as "DATE: ADDRESS hit ROUTER requesting RESOURCE"
 	for (let key in pages) {
 		console.log(" * Creating router for", key);
-		router.get("/" + key, function (req,res) {
+		router.get("/" + key, async function (req,res) {
 			console.log(key, "fulfilling request to", req.socket.remoteAddress, "asking for", req.url);
 			let html = "" + execSync(pages[key]);
 			stringsToRemove.forEach(string => {
 				html = html.replace(string, "");
 			});
+			html = await mini(html);
 			res.send(html);
 		});
 
@@ -199,9 +214,10 @@ async function main() {
 	// Provide human-usable sitemap links.
 	// TBD/TODO would be great to log this as "DATE: ADDRESS hit ROUTER requesting RESOURCE"
 	console.log(" * Creating router for sitemap*");
-	router.get('/sitemap*', function (req, res) {
+	router.get('/sitemap*', async function (req, res) {
 		console.log("sitemap.html being provided to", req.socket.remoteAddress)
-		res.send(sitemap_html);
+		html = await mini(sitemap_html);
+		res.send(mini(html));
 	});
 
 	// Provide a robots.txt for where search engines should find things.
@@ -264,7 +280,7 @@ async function main() {
 
 	// Originally a test, now a catch-all redirection to Home!
 	console.log(" * Creating router for redirection");
-	router.get('/*', function (req, res) {
+	router.get('/*', async function (req, res) {
 		// WARNING: These are huge so only look when you need to.
 		//console.log(req);
 		//console.log(res);
@@ -273,6 +289,7 @@ async function main() {
 		stringsToRemove.forEach(string => {
 			html = html.replace(string, "");
 		});
+		html = await mini(html);
 		res.send(html);
 	});
 

package.json

@@ -1,6 +1,7 @@
 {
   "dependencies": {
-    "express": ">=4.18.1 < 5.0.0"
+    "express": ">=4.18.1 < 5.0.0",
+    "html-minifier-terser": "^7.2.0"
   },
   "scripts": {
     "start": "./run.sh"