talk/graph/resolvers/asset_action_summary.js

const AssetActionSummary = {
  __resolveType({action_type}) {
    switch (action_type) {
    case 'FLAG':
      return 'FlagAssetActionSummary';
    case 'LIKE':
      return 'LikeAssetActionSummary';
    }
  }
};

module.exports = AssetActionSummary;