planka/server/api/helpers/lists/delete-one.js

module.exports = {
  inputs: {
    record: {
      type: 'ref',
      required: true,
    },
    request: {
      type: 'ref',
    },
  },

  async fn(inputs) {
    const list = await List.archiveOne(inputs.record.id);

    if (list) {
      sails.sockets.broadcast(
        `board:${list.boardId}`,
        'listDelete',
        {
          item: list,
        },
        inputs.request,
      );
    }

    return list;
  },
};