Help with mdg:validated-method - expected function in field validate

help
1

Hey there, fellow meteorians,

I’m trying to keep up with the guide on methods and want to implement mdg’s validated-method package.
However, I’m running into the following server error:

Error: Match error: Expected Function in field validate

I’m running on release 1.3.rc-3.
My method file looks like this (it’s literally copied from the guide):

import { Meteor } from 'meteor/meteor';
import { ValidatedMethod } from 'meteor/mdg:validated-method';
import { SimpleSchema } from 'meteor/aldeed:simple-schema';
import { Documents } from '../../../collections/documents.js';

export const insert = new ValidatedMethod({
	name: 'documents.insert',
	validate: new SimpleSchema({
		title: { type: String }
	}).validator(),
	run() {
		return Documents.insert({})
	},
});

Filestructure is
-imports
–server
----methods
-------documents
-----------methods.js

ValidateMethod will work if I replace the simple-schema validation with check validation.
... validate(args){ check( args,{title, String})}, ...

Maybe anybody could have an idea what I’m doing wrong?
Thank you very much in advance!

1 Like
2

You need to pass the data you want to add into the run function. Take a look at the Calling a Method from a form ValidatedMethod example. Note how it’s defined as run(newInvoice), with Invoices.insert(newInvoice) in the function body.

3

I’m also having this issue

4

Hi there! That doesn’t solve the problem as the error seems to be that
new SimpleSchema({ title: { type: String } }).validator()

isn’t recognized as a function. My problem is not the ‘run’ part but the validation. As I mentioned, everything works fine with audit-arguments-check, so it must be somehow not recognizing 'validator() as a function call.

1 Like
5

Which version of Simple Schema are you using? (what does it show in your .meteor/versions file?) Maybe try removing Simple Schema, followed by a meteor add aldeed:simple-schema@1.5.3 to see if that helps.

2 Likes
6

Hey, that did the trick!
I was running on simple-schema@1.3.3.
I thought this would have been no issue due to dependency management.

Thank you very much @hwillson!

7

It works, thank you. But why simple-schema is added as 1.3.3 by default?

8

Meteor’s constraint-solver tries its best to line all dependencies up in a way that makes the most sense, but it’s extremely difficult to get everything aligned properly (especially in applications with large package/dependency graphs). It decided version 1.3.3 made the most sense to include (based on the requirements of other packages in your app).