forked from flutter/flutter
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[tool] Fix flutter.js regression with hot-reload on promise-based ini…
…t. (flutter#110805)
- Loading branch information
Showing
5 changed files
with
217 additions
and
6 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
179 changes: 179 additions & 0 deletions
179
packages/flutter_tools/test/web.shard/test_data/hot_reload_index_html_samples.dart
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| // Copyright 2014 The Flutter Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
|
|
||
| // This file contains a bunch of different index.html "styles" that can be written | ||
| // by Flutter Web users. | ||
| // This should be somewhat kept in sync with the different index.html files present | ||
| // in `flutter/dev/integration_tests/web/web`. | ||
| // @see https://github.com/flutter/flutter/tree/master/dev/integration_tests/web/web | ||
|
|
||
| /// index_with_flutterjs_entrypoint_loaded.html | ||
| String indexHtmlFlutterJsCallback = _generateFlutterJsIndexHtml(''' | ||
| window.addEventListener('load', function(ev) { | ||
| // Download main.dart.js | ||
| _flutter.loader.loadEntrypoint({ | ||
| onEntrypointLoaded: onEntrypointLoaded, | ||
| serviceWorker: { | ||
| serviceWorkerVersion: serviceWorkerVersion, | ||
| } | ||
| }); | ||
| // Once the entrypoint is ready, do things! | ||
| async function onEntrypointLoaded(engineInitializer) { | ||
| const appRunner = await engineInitializer.initializeEngine(); | ||
| appRunner.runApp(); | ||
| } | ||
| }); | ||
| '''); | ||
|
|
||
| /// index_with_flutterjs_short.html | ||
| String indexHtmlFlutterJsPromisesShort = _generateFlutterJsIndexHtml(''' | ||
| window.addEventListener('load', function(ev) { | ||
| // Download main.dart.js | ||
| _flutter.loader.loadEntrypoint({ | ||
| serviceWorker: { | ||
| serviceWorkerVersion: serviceWorkerVersion, | ||
| } | ||
| }).then(function(engineInitializer) { | ||
| return engineInitializer.autoStart(); | ||
| }); | ||
| }); | ||
| '''); | ||
|
|
||
| /// index_with_flutterjs.html | ||
| String indexHtmlFlutterJsPromisesFull = _generateFlutterJsIndexHtml(''' | ||
| window.addEventListener('load', function(ev) { | ||
| // Download main.dart.js | ||
| _flutter.loader.loadEntrypoint({ | ||
| serviceWorker: { | ||
| serviceWorkerVersion: serviceWorkerVersion, | ||
| } | ||
| }).then(function(engineInitializer) { | ||
| return engineInitializer.initializeEngine(); | ||
| }).then(function(appRunner) { | ||
| return appRunner.runApp(); | ||
| }); | ||
| }); | ||
| '''); | ||
|
|
||
| /// index_without_flutterjs.html | ||
| String indexHtmlNoFlutterJs = ''' | ||
| <!DOCTYPE HTML> | ||
| <!-- Copyright 2014 The Flutter Authors. All rights reserved. | ||
| Use of this source code is governed by a BSD-style license that can be | ||
| found in the LICENSE file. --> | ||
| <html> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta content="IE=Edge" http-equiv="X-UA-Compatible"> | ||
| <title>Web Test</title> | ||
| <!-- iOS meta tags & icons --> | ||
| <meta name="apple-mobile-web-app-capable" content="yes"> | ||
| <meta name="apple-mobile-web-app-status-bar-style" content="black"> | ||
| <meta name="apple-mobile-web-app-title" content="Web Test"> | ||
| <link rel="manifest" href="manifest.json"> | ||
| </head> | ||
| <body> | ||
| <!-- 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); | ||
| } | ||
| 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> | ||
| '''; | ||
|
|
||
| // Generates the scaffolding of an index.html file, with a configurable `initScript`. | ||
| String _generateFlutterJsIndexHtml(String initScript) => ''' | ||
| <!DOCTYPE HTML> | ||
| <!-- Copyright 2014 The Flutter Authors. All rights reserved. | ||
| Use of this source code is governed by a BSD-style license that can be | ||
| found in the LICENSE file. --> | ||
| <html> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta content="IE=Edge" http-equiv="X-UA-Compatible"> | ||
| <title>Integration test. App load with flutter.js and onEntrypointLoaded API</title> | ||
| <!-- iOS meta tags & icons --> | ||
| <meta name="apple-mobile-web-app-capable" content="yes"> | ||
| <meta name="apple-mobile-web-app-status-bar-style" content="black"> | ||
| <meta name="apple-mobile-web-app-title" content="Web Test"> | ||
| <link rel="manifest" href="manifest.json"> | ||
| <script> | ||
| // The value below is injected by flutter build, do not touch. | ||
| var serviceWorkerVersion = null; | ||
| </script> | ||
| <!-- This script adds the flutter initialization JS code --> | ||
| <script src="flutter.js" defer></script> | ||
| </head> | ||
| <body> | ||
| <script> | ||
| $initScript | ||
| </script> | ||
| </body> | ||
| </html> | ||
| '''; |