Full-Stack React Projects

Updating

The API endpoint to update a single user is declared in the following route.

mern-skeleton/server/routes/user.routes.js:

router.route('/api/users/:userId').put(userCtrl.update)

When the Express app gets a PUT request at '/api/users/:userId', similar to the read, it first loads the user with the :userId param value, and then the update controller function is executed.

mern-skeleton/server/controllers/user.controller.js:

const update = (req, res, next) => {  let user = req.profile  user = _.extend(user, req.body)  user.updated = Date.now()  user.save((err) => {    if (err) {      return res.status(400).json({        error: errorHandler.getErrorMessage(err)      })    }    user.hashed_password = undefined    user.salt = undefined    res.json(user)  })}

The update function ...