This package automatically adds to pubspec.yaml all the subfolders from asstes.

Usage

• Make sure that your pubspec.yaml declares a flutter map and the assets list that contains at least one placeholder element as shown below. Consider checking the example.

flutter:
  # stuff
  assets:
    - placeholder

• Place your files and folders to an assets directory.
• Execute following command:

flutter pub run asset_fill

• Remove the placeholder

Watch the example