[web] Fix kIsWeb for Dart2wasm. (#112122)

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joshualitt 2022-10-04 10:57:46 -07:00 committed by GitHub
parent 90d79aa388
commit 07c5ebca78
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5 changed files with 7 additions and 12 deletions

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@ -68,10 +68,4 @@ const bool kDebugMode = !kReleaseMode && !kProfileMode;
const double precisionErrorTolerance = 1e-10;
/// A constant that is true if the application was compiled to run on the web.
///
/// This implementation takes advantage of the fact that JavaScript does not
/// support integers. In this environment, Dart's doubles and ints are
/// backed by the same kind of object. Thus a double `0.0` is identical
/// to an integer `0`. This is not true for Dart code running in AOT or on the
/// VM.
const bool kIsWeb = identical(0, 0.0);
const bool kIsWeb = bool.fromEnvironment('dart.library.js_util');

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@ -8,7 +8,7 @@ import 'dart:developer';
import 'package:flutter/foundation.dart';
import '_background_isolate_binary_messenger_io.dart'
if (dart.library.html) '_background_isolate_binary_messenger_web.dart';
if (dart.library.js_util) '_background_isolate_binary_messenger_web.dart';
import 'binary_messenger.dart';
import 'binding.dart';
@ -17,7 +17,7 @@ import 'message_codec.dart';
import 'message_codecs.dart';
export '_background_isolate_binary_messenger_io.dart'
if (dart.library.html) '_background_isolate_binary_messenger_web.dart';
if (dart.library.js_util) '_background_isolate_binary_messenger_web.dart';
export 'binary_messenger.dart' show BinaryMessenger;
export 'binding.dart' show RootIsolateToken;

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@ -2,4 +2,5 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
export '_platform_selectable_region_context_menu_io.dart' if(dart.library.html) '_platform_selectable_region_context_menu_web.dart';
export '_platform_selectable_region_context_menu_io.dart'
if (dart.library.js_util) '_platform_selectable_region_context_menu_web.dart';

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@ -11,7 +11,7 @@ import 'package:flutter_test/flutter_test.dart';
// Originally here: https://github.com/flutter/engine/pull/28808
void main() {
test('Web library environment define exists', () {
expect(const bool.fromEnvironment('dart.library.html'), isTrue);
expect(const bool.fromEnvironment('dart.library.js_util'), isTrue);
expect(const bool.fromEnvironment('dart.library.someFooLibrary'), isFalse);
});
}

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@ -3,7 +3,7 @@
// found in the LICENSE file.
import '_network_image_web_test_io.dart'
if (dart.library.html) '_network_image_test_web.dart';
if (dart.library.js_util) '_network_image_test_web.dart';
void main() {
runTests();