const houses = require('../houses.json'); exports.houses_list = function (req, res) { res.json(houses); } exports.specific_house = function (req, res) { let result = houses.find(house => house.id == req.params.houseId); if (typeof result == 'undefined') { res.status(404) res.send({ message: "House not found" }); } res.send(result); }