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public/flutter.js

@@ -16,14 +16,23 @@ _flutter.loader = null;
 (function() {
   "use strict";
   class FlutterLoader {
-    // TODO: Move the below methods to "#private" once supported by all the browsers
+    /**
-    // we support. In the meantime, we use the "revealing module" pattern.
+     * Creates a FlutterLoader, and initializes its instance methods.
+     */
+    constructor() {
+      // TODO: Move the below methods to "#private" once supported by all the browsers
+      // we support. In the meantime, we use the "revealing module" pattern.
 
-    // Watchdog to prevent injecting the main entrypoint multiple times.
+      // Watchdog to prevent injecting the main entrypoint multiple times.
-    _scriptLoaded = null;
+      this._scriptLoaded = null;
 
-    // Resolver for the pending promise returned by loadEntrypoint.
+      // Resolver for the pending promise returned by loadEntrypoint.
-    _didCreateEngineInitializerResolve = null;
+      this._didCreateEngineInitializerResolve = null;
+
+      // Called by Flutter web.
+      // Bound to `this` now, so "this" is preserved across JS <-> Flutter jumps.
+      this.didCreateEngineInitializer = this._didCreateEngineInitializer.bind(this);
+    }
 
     /**
      * Initializes the main.dart.js with/without serviceWorker.
@@ -40,19 +49,19 @@ _flutter.loader = null;
     }
 
     /**
-     * Resolves the promise created by loadEntrypoint. Called by Flutter.
+     * Resolves the promise created by loadEntrypoint.
-     * Needs to be weirdly bound like it is, so "this" is preserved across
+     * Called by Flutter through the public `didCreateEngineInitializer` method,
-     * the JS <-> Flutter jumps.
+     * which is bound to the correct instance of the FlutterLoader on the page.
      * @param {*} engineInitializer
      */
-    didCreateEngineInitializer = (function(engineInitializer) {
+    _didCreateEngineInitializer(engineInitializer) {
       if (typeof this._didCreateEngineInitializerResolve != "function") {
         console.warn("Do not call didCreateEngineInitializer by hand. Start with loadEntrypoint instead.");
       }
       this._didCreateEngineInitializerResolve(engineInitializer);
-      // Remove this method after it's done, so Flutter Web can hot restart.
+      // Remove the public method after it's done, so Flutter Web can hot restart.
       delete this.didCreateEngineInitializer;
-    }).bind(this);
+    }
 
     _loadEntrypoint(entrypointUrl) {
       if (!this._scriptLoaded) {
@@ -60,7 +69,11 @@ _flutter.loader = null;
           let scriptTag = document.createElement("script");
           scriptTag.src = entrypointUrl;
           scriptTag.type = "application/javascript";
-          this._didCreateEngineInitializerResolve = resolve; // Cache the resolve, so it can be called from Flutter.
+          // Cache the resolve, so it can be called from Flutter.
+          // Note: Flutter hot restart doesn't re-create this promise, so this
+          // can only be called once. Instead, we need to model this as a stream
+          // of `engineCreated` events coming from Flutter that are handled by JS.
+          this._didCreateEngineInitializerResolve = resolve;
           scriptTag.addEventListener("error", reject);
           document.body.append(scriptTag);
         });

public/flutter_service_worker.js

@@ -8,12 +8,12 @@ const RESOURCES = {
 "canvaskit/profiling/canvaskit.js": "ae2949af4efc61d28a4a80fffa1db900",
 "canvaskit/profiling/canvaskit.wasm": "95e736ab31147d1b2c7b25f11d4c32cd",
 "canvaskit/canvaskit.wasm": "4b83d89d9fecbea8ca46f2f760c5a9ba",
-"/": "69905e6a3d544c719b18623661078154",
+"/": "68a9b6940977e6c7fd1d9f31f1d93ecc",
-"flutter.js": "0816e65a103ba8ba51b174eeeeb2cb67",
+"flutter.js": "eb2682e33f25cd8f1fc59011497c35f8",
 "icons/Icon-512.png": "0f9aff01367f0a0c69773d25ca16ef35",
 "icons/Icon-192.png": "bb1cf5f6982006952211c7c8404ffbed",
 "manifest.json": "ef43d90e57aa7682d7e2cfba2f484a40",
-"version.json": "8c5f080db352df2d10c481aab911e2fb",
+"version.json": "69380d22a7eec2ffb5bf7efff4808f6d",
 "favicon.ico": "51636d3a390451561744c42188ccd628",
 "assets/FontManifest.json": "cf3c681641169319e61b61bd0277378f",
 "assets/fonts/MaterialIcons-Regular.otf": "95db9098c58fd6db106f1116bae85a0b",
@@ -39,7 +39,7 @@ const RESOURCES = {
 "assets/assets/images/payment_types/other.png": "d936e11fa3884b8c9f1bd5c914be8629",
 "assets/packages/material_design_icons_flutter/lib/fonts/materialdesignicons-webfont.ttf": "b62641afc9ab487008e996a5c5865e56",
 "assets/NOTICES": "f02d972147eb81eae2a8202a2914cb88",
-"main.dart.js": "e99e39dff8062c71e7642397479e70cd"
+"main.dart.js": "bfc10266a1a96825ac58e02b9b498c62"
 };
 
 // The application shell files that are downloaded before a service worker can

public/version.json

@@ -1 +1 @@
-{"app_name":"invoiceninja_flutter","version":"5.0.86","build_number":"86","package_name":"invoiceninja_flutter"}
+{"app_name":"invoiceninja_flutter","version":"5.0.87","build_number":"87","package_name":"invoiceninja_flutter"}