createEffect doesn't resolve void Params

[Guck111]

I have this code:

export const getProviders = createEffect("getProviders", {
  handler() {
    return fetch(`http://localhost:8000/api/v1/constructor/providers/`)
  },
})

getProviders()

and I got: Expected 1 arguments, but got 0.

version: 21.5.0

[zerobias]

This is not the most actual way of creating effect, it really does not support that yet, this is a bug. The bug was overlooked because variants with a function or with configuration are used much more often, and they indeed support handling void params:

import { createEffect } from 'effector'

export const getProviders = createEffect(() => {
  return fetch(`http://localhost:8000/api/v1/constructor/providers/`)
})

export const getProvidersWithConfig = createEffect({
    handler() {
      return fetch(`http://localhost:8000/api/v1/constructor/providers/`)
    },
    name: 'getProvidersWithConfig'
})

getProviders()
getProvidersWithConfig()

Try it in typescript repl

So I suggest using one of them

Anyway, we'll try to fix this variant as well

[zerobias]

Fixed in effector 21.6.0