Prepare for utf8.encode() to return more precise Uint8List type (#129769)
To avoid analyzer warnings when utf8.encode() will return the more
precise Uint8List type, we use const Utf8Encoder().convert() which
already returns Uint8List
See https://github.com/dart-lang/sdk/issues/52801
diff --git a/packages/flutter_tools/lib/src/isolated/devfs_web.dart b/packages/flutter_tools/lib/src/isolated/devfs_web.dart
index f4d4f70..903eae9 100644
--- a/packages/flutter_tools/lib/src/isolated/devfs_web.dart
+++ b/packages/flutter_tools/lib/src/isolated/devfs_web.dart
@@ -493,7 +493,7 @@
/// Write a single file into the in-memory cache.
void writeFile(String filePath, String contents) {
- writeBytes(filePath, utf8.encode(contents) as Uint8List);
+ writeBytes(filePath, const Utf8Encoder().convert(contents));
}
void writeBytes(String filePath, Uint8List contents) {
diff --git a/packages/flutter_tools/test/commands.shard/hermetic/symbolize_test.dart b/packages/flutter_tools/test/commands.shard/hermetic/symbolize_test.dart
index fb5d181..44096a7 100644
--- a/packages/flutter_tools/test/commands.shard/hermetic/symbolize_test.dart
+++ b/packages/flutter_tools/test/commands.shard/hermetic/symbolize_test.dart
@@ -39,7 +39,7 @@
unawaited(symbolizationService.decode(
input: Stream<Uint8List>.fromIterable(<Uint8List>[
- utf8.encode('Hello, World\n') as Uint8List,
+ const Utf8Encoder().convert('Hello, World\n'),
]),
symbols: Uint8List(0),
output: IOSink(output.sink),
