generateImports function
generates the imports for all the types used in app.widgetbook.dart
the code returned likely contains unneccesary imports but this implementation is simple in comparison to a complex approach
Implementation
String generateImports(
List<WidgetbookData> datas,
) {
final set = <String>{};
for (final data in datas) {
set
..add(data.importStatement)
..addAll(data.dependencies);
}
set
..add('package:flutter/material.dart')
..add('package:widgetbook/widgetbook.dart');
return set.map(_generateImportStatement).join('\n');
}