Req. With multer the user inputs are accessible through req.file for the file input field and req.bodyfor the other input fields (if there is any). custom() validation function chained to your validation middleware. Hot Network Questions What is the origin of the rubber sheet analogy How close was the ISS to running out of supplies after the failure of CRS-7 Why is Gnome fractional scaling 1.7518248558044434 instead of 1.75 How fast does a pineapple need to fly to kill. In order to validate a file input field you could use multer: middleware that adds a body object and a file object to the request object.Īnd then use express-validator. express-validator throw errors on valid fields.
Thanks for your question, hope this will help someone To use the custom validator, do this first to make sure empty files will not throw undefined error: restLogo = typeof req.files != "undefined" ? : '' įinally to use your custom validator: req.checkBody('rest_logo', 'Restaurant Logo - Please upload an image Jpeg, Png or Gif').isImage(restLogo) Var extension = (path.extname(filename)).toLowerCase() Var expressValidator = require('express-validator') You'll need to write a custom validator, express-validator allows for this, okay this is an example of one //requiring the validator Req.checkBody('image', 'You must select an image.').notEmpty() In this article, we’ll take a look at how to. I had the same problem, the below code will not work since express-validator only validates strings req.checkBody('title', 'The title can't be empty.').notEmpty() DataSeries highlight: We can validate request body items in Express apps by using the express-validator package.
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