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• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
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Issue Description

I use Preact and have this in my tsconfig.json:

    "jsx": "react",
    "jsxFactory": "h",
    "jsxFragmentFactory": "Fragment"

I use it like so:

import { h, Fragment } from "preact";

export default function MyComponent() {
  return <><h1>Hello, world!</h1></>;
}

It used to result in no errors. With version 5.27.0, it reports h and Fragment as unused.

I’ve searched through the issue tracker, and also in TypeScript’s and Preact’s issue trackers, but couldn’t find anything. I apologize if I missed something, or this is a misunderstanding on my side that just happened to work before!

Reproduction Repository Link

https://github.com/lydell/typescript-eslint-preact-issue

Repro Steps

1. clone the repo
2. npm ci
3. npm test

Versions