un-PWA-ize the app

README.md

@@ -1,7 +1,7 @@
 
-# Doodle Recognition PWA with TensorFlow.js
+# Doodle Recognition Web App with TensorFlow.js
 
-This is an example [PWA](https://en.wikipedia.org/wiki/Progressive_Web_Apps)
+This is an example Web App
 that uses [TensorFlow.js](https://js.tensorflow.org/) and performs doodle recognition.
 
 It loads a pre-trained CNN model that was converted to TensorFlow.js format
@@ -32,17 +32,6 @@ yarn start  # Starts a web server and opens a page. Also watches for changes.
 ```
 
 After `yarn build`, `public` directory holds the deployable files.
-Note that those files need to be served via **https** to enable PWA features
-(unless they are served from `localhost`).
-
-### <a name="notes-on-debugging"></a>Notes on Debugging
-
-This is a PWA, so the involved files will be cached
-(it is different from the browser cache; it is Service Worker controlled cache).
-Attention is required to make sure that each debug execution respects
-the latest file changes. Please reference the document
-["Debugging Service Workers"](https://developers.google.com/web/fundamentals/codelabs/debugging-service-workers/)
-for details including the other aspects of debugging PWA and Service Workers.
 
 ### Updating Pre-trained Model Data
 

public/index.html

@@ -4,7 +4,7 @@
     <meta charset="utf-8">
     <title>Doodle Recognition with TensorFlow.js</title>
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <link rel="manifest" href="./manifest.json">
+    <!-- link rel="manifest" href="./manifest.json" -->
     <link rel="icon" type="image/png" href="./marulabo-icon.png">
     <style>
       body {margin: 20px; text-align: center; font-family: sans-serif;}

src/index.js

@@ -109,10 +109,10 @@ class ResultTable {
   }
 }
 
-if ('serviceWorker' in navigator) {
-  navigator.serviceWorker.register('./service-worker.js')
-    .then(success => console.log('Service Worker registered:', success))
-    .catch(error => console.error('Error: Failed to register Service Worker:', error));
-} else {
-  console.log('Warning: No support for Service Workers');
-}
+// if ('serviceWorker' in navigator) {
+//   navigator.serviceWorker.register('./service-worker.js')
+//     .then(success => console.log('Service Worker registered:', success))
+//     .catch(error => console.error('Error: Failed to register Service Worker:', error));
+// } else {
+//   console.log('Warning: No support for Service Workers');
+// }