planka/server/api/helpers/get-membership-project-ids-for-user.js

module.exports = {
  inputs: {
    id: {
      type: 'json',
      custom: (value) => _.isString(value) || _.isArray(value),
      required: true,
    },
  },

  async fn(inputs, exits) {
    const projectMemberships = await sails.helpers.getProjectMembershipsForUser(inputs.id);

    const projectIds = sails.helpers.mapRecords(
      projectMemberships,
      'projectId',
      _.isArray(inputs.id),
    );

    return exits.success(projectIds);
  },
};