Server uses vendor.js to connect node_modules to the application in a consistent manner.

server.js

@@ -1,4 +1,5 @@
 const package = require("./package.json");
+const vendors = require("./vendors.json");
 
 const exec = require('child_process').execSync;
 
@@ -93,6 +94,11 @@ app.set('views', path.join(__dirname, "/views"));
 app.engine('html', require('ejs').renderFile);
 app.set('view engine', 'html');
 app.use("/app", express.static(path.join(__dirname, "/app")));
+vendors.modules.forEach((m) => {
+  var p = path.normalize(path.join(__dirname, vendors.default_path, m.path));
+  var url = path.join(vendors.url_path, m.url_path);
+  app.use(url, express.static(p));
+});
 app.use("/app/css/nespaint.css", function(req, res){
   res.set("Content-Type", "text/css");
   res.send(new Buffer.from(css_output));

vendors.json

@@ -0,0 +1,10 @@
+{
+  "url_path":"/app/vendors",
+  "default_path":"node_modules",
+  "modules":[
+    {
+      "url_path":"ajv",
+      "path":"ajv/dist"
+    }
+  ]
+}

views/tail.html

@@ -1,3 +1,4 @@
   </body>
+  <script src="app/vendors/ajv/ajv.min.js"></script>
   <script src="app/js/main.js" type="module"></script>
 </html>