use-closest-build-context

v1.26.0

style

pro+

Warns when the referenced BuildContext variable is not the closest BuildContext.

Using incorrect BuildContext reference can lead to hard to spot bugs and can happen if the variable was renamed from the usual context name (e.g. to _ due to being previously unused).

Example

❌ Bad:

class MyOtherWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Builder(builder: (_) {
      // LINT: This 'BuildContext' variable is not the closest context variable.
      //  Try using the closest context instead.
      return _buildMyWidget(context);
    });
  }
}

✅ Good:

class MyOtherWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Builder(builder: (context) { // correct, was renamed from '_' to 'context'
      return _buildMyWidget(context);
    });
  }
}