avoid_ unnecessary_ containers
Avoid unnecessary containers.
Details
#AVOID wrapping widgets in unnecessary containers.
Wrapping a widget in
Container
with no other parameters set has no effect
and makes code needlessly more complex.
BAD:
Widget buildRow() {
return Container(
child: Row(
children: <Widget>[
const MyLogo(),
const Expanded(
child: Text('...'),
),
],
)
);
}
GOOD:
Widget buildRow() {
return Row(
children: <Widget>[
const MyLogo(),
const Expanded(
child: Text('...'),
),
],
);
}
Enable
#
To enable the
avoid_unnecessary_containers
rule, add
avoid_unnecessary_containers
under
linter > rules
in your
analysis_options.yaml
file:
linter:
rules:
- avoid_unnecessary_containers
If you're instead using the YAML map syntax to configure linter rules,
add
avoid_unnecessary_containers: true
under
linter > rules:
linter:
rules:
avoid_unnecessary_containers: true
Unless stated otherwise, the documentation on this site reflects Dart 3.9.2. Report an issue.