build.yaml

targets:
  $default:
    builders:
      freezed:
        options:
          format: true # default: true
          copy_with: false # default: true
          equal: true # default: only if the class does not have a custom `==`
          union_key: type # default: 'runtimeType'
          union_value_case: snake # default: "none"
          map: false # default: map: true, map_or_null: true, maybe_map: true
          when: false # default: when: true, when_or_null: true, maybe_when: true
          from_json: false # default: it has `fromJson(Map json) =>`, not return block
          # to_json: false # default: (target has a `fromJson`)
          make_collections_unmodifiable: true # default: true
          add_implicit_final: true # default: true
          generic_argument_factories: false # default: false