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5491c8c146
This auto-formats all *.dart files in the repository outside of the `engine` subdirectory and enforces that these files stay formatted with a presubmit check. **Reviewers:** Please carefully review all the commits except for the one titled "formatted". The "formatted" commit was auto-generated by running `dev/tools/format.sh -a -f`. The other commits were hand-crafted to prepare the repo for the formatting change. I recommend reviewing the commits one-by-one via the "Commits" tab and avoiding Github's "Files changed" tab as it will likely slow down your browser because of the size of this PR. --------- Co-authored-by: Kate Lovett <katelovett@google.com> Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
51 lines
1.9 KiB
Dart
51 lines
1.9 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'dart:convert';
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import 'dart:js_interop';
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import 'dart:js_interop_unsafe';
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@JS('window')
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external JSObject get _window;
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/// The web implementation of [registerWebServiceExtension].
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///
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/// Adds a hidden `window.$flutterDriver` JavaScript function that's called by
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/// `FlutterWebDriver` to fulfill FlutterDriver commands.
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///
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/// See also:
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///
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/// * `_extension_io.dart`, which has the dart:io implementation
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void registerWebServiceExtension(
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Future<Map<String, dynamic>> Function(Map<String, String>) callback,
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) {
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// Define the result variable because packages/flutter_driver/lib/src/driver/web_driver.dart
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// checks for this value to become non-null when waiting for the result. If this value is
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// undefined at the time of the check, WebDriver throws an exception.
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_window.setProperty(r'$flutterDriverResult'.toJS, null);
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_window.setProperty(
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r'$flutterDriver'.toJS,
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(JSAny message) {
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(() async {
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try {
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final Map<String, dynamic> messageJson =
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jsonDecode((message as JSString).toDart) as Map<String, dynamic>;
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final Map<String, String> params = messageJson.cast<String, String>();
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final Map<String, dynamic> result = await callback(params);
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_window.setProperty(r'$flutterDriverResult'.toJS, json.encode(result).toJS);
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} catch (error, stackTrace) {
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// Encode the error in the same format the FlutterDriver extension uses.
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// See //packages/flutter_driver/lib/src/extension/extension.dart
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_window.setProperty(
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r'$flutterDriverResult'.toJS,
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json.encode(<String, dynamic>{'isError': true, 'response': '$error\n$stackTrace'}).toJS,
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);
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}
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})();
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}.toJS,
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);
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}
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