build.yaml

targets:
  $default:
    builders:
      json_serializable:
        options:
          # Options configure how source code is generated for every
          # `@JsonSerializable`-annotated class in the package.
          #
          # The default value for each is listed.
          any_map: false
          checked: true
          create_factory: true
          create_to_json: true
          disallow_unrecognized_keys: false
          explicit_to_json: true
          field_rename: snake
          generic_argument_factories: false
          ignore_unannotated: false
          include_if_null: true

      # A SharedPartBuilder which uses the combining builder
      source_gen|combining_builder:
        options:
          build_extensions:
            '^lib/src/{{}}.dart': 'lib/src/generated/{{}}.g.dart'
      freezed:
        options:
          build_extensions:
            '^lib/src/{{}}.dart': 'lib/src/generated/{{}}.freezed.dart'