TypeError: Object(...) is not a function reactjs

It looks fine, you just have to export your function that's it.

use

export let fillCalendar = (month, year) => {

instead of

let fillCalendar = (month, year) => {

javascript reactjs import

Just putting it out there....

I saw this error because I imported a function from the wrong module!

But I'm sure you'd never do that ;-)

(obviously a bit unlucky in that the function I imported had a common name - useParams in my case)

javascript reactjs import

Example for Higher Order Component

Export function directly from after declaration

export default function Authorized(WrappedComponent) {}

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