feat(dev): limited web support for dev

chore: update web 3.22.

DEV.md

@@ -111,3 +111,13 @@ flutter drive \
   --target=integration_test/app_test.dart \
   -d emu
 ```
+
+## Run chrome device
+
+Starts the app on chrome on a fixed port: 
+
+
+```
+flutter run -d chrome --web-port=$DEF_PORT  --web-browser-flag "--disable-web-security"
+``` 
+

lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:camera/camera.dart';
 import 'package:chemobile/app.dart';
 import 'package:flutter/material.dart';
@@ -12,7 +13,9 @@ void main() async {
   cameras = await availableCameras();
 
   final storage = await HydratedStorage.build(
-    storageDirectory: await getApplicationDocumentsDirectory(),
+    storageDirectory: kIsWeb
+      ? HydratedStorage.webStorageDirectory
+      : await getApplicationDocumentsDirectory(),
   );
 
   HydratedBloc.storage = storage;

web/index.html

@@ -36,69 +36,7 @@
   <!-- This script installs service_worker.js to provide PWA functionality to
        application. For more information, see:
        https://developers.google.com/web/fundamentals/primers/service-workers -->
-  <script>
-    var serviceWorkerVersion = null;
-    var scriptLoaded = false;
-    function loadMainDartJs() {
-      if (scriptLoaded) {
-        return;
-      }
-      scriptLoaded = true;
-      var scriptTag = document.createElement('script');
-      scriptTag.src = 'main.dart.js';
-      scriptTag.type = 'application/javascript';
-      document.body.append(scriptTag);
-    }
+  <script src="flutter_bootstrap.js" async></script>
 
-    if ('serviceWorker' in navigator) {
-      // Service workers are supported. Use them.
-      window.addEventListener('load', function () {
-        // Wait for registration to finish before dropping the <script> tag.
-        // Otherwise, the browser will load the script multiple times,
-        // potentially different versions.
-        var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion;
-        navigator.serviceWorker.register(serviceWorkerUrl)
-          .then((reg) => {
-            function waitForActivation(serviceWorker) {
-              serviceWorker.addEventListener('statechange', () => {
-                if (serviceWorker.state == 'activated') {
-                  console.log('Installed new service worker.');
-                  loadMainDartJs();
-                }
-              });
-            }
-            if (!reg.active && (reg.installing || reg.waiting)) {
-              // No active web worker and we have installed or are installing
-              // one for the first time. Simply wait for it to activate.
-              waitForActivation(reg.installing || reg.waiting);
-            } else if (!reg.active.scriptURL.endsWith(serviceWorkerVersion)) {
-              // When the app updates the serviceWorkerVersion changes, so we
-              // need to ask the service worker to update.
-              console.log('New service worker available.');
-              reg.update();
-              waitForActivation(reg.installing);
-            } else {
-              // Existing service worker is still good.
-              console.log('Loading app from service worker.');
-              loadMainDartJs();
-            }
-          });
-
-        // If service worker doesn't succeed in a reasonable amount of time,
-        // fallback to plaint <script> tag.
-        setTimeout(() => {
-          if (!scriptLoaded) {
-            console.warn(
-              'Failed to load app from service worker. Falling back to plain <script> tag.',
-            );
-            loadMainDartJs();
-          }
-        }, 4000);
-      });
-    } else {
-      // Service workers not supported. Just drop the <script> tag.
-      loadMainDartJs();
-    }
-  </script>
 </body>
 </html>