Fix 'resolver is not a function' in React

Jun 18, 2021

How to fix the TypeError: resolver is not a function error in a Next.js or React app, which is caused by a missing default export that you need to restore.

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I ran into this rather puzzling message while working on a Next.js/React app:

TypeError: resolver is not a function

Turned out the solution was very simple.

I was doing some editing and I commented out the default export to component of the API call I was editing:

export default <name>

So, make sure you have a default export and the error will go away.

Tagged: React · All topics

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