const idOrIdsValidator = (value) => _.isString(value) || _.every(value, _.isString); module.exports = { inputs: { idOrIds: { type: 'json', custom: idOrIdsValidator, required: true, }, }, async fn(inputs) { const boardIds = await sails.helpers.projects.getBoardIds(inputs.idOrIds); return sails.helpers.boards.getMemberUserIds(boardIds); }, };