ESM import regression: `HTMLHint` named export no longer available in `htmlhint@1.8.1`

Describe the bug

Since upgrading to htmlhint@1.8.1, importing HTMLHint as a named export in an ESM context throws an error indicating that the module does not provide the HTMLHint export.

In previous versions, the following ESM import worked:

import { HTMLHint } from "htmlhint";

With 1.8.1, Node.js reports that htmlhint is a CommonJS module and that the named export cannot be resolved.

To Reproduce

Environment:

• Node.js: v24.13.0
• OS: Windows (reproducible in other environments as well)
• Module system: ESM

Steps:

npm install --save-exact htmlhint@1.8.1
node --eval 'import { HTMLHint } from "htmlhint";'

Result:

SyntaxError: Named export 'HTMLHint' not found. The requested module 'htmlhint' is a CommonJS module...

Node suggests using:

import pkg from "htmlhint";
const { HTMLHint } = pkg;

Expected behavior

The following command should execute without error:

node --eval 'import { HTMLHint } from "htmlhint";'

—or the documentation / changelog should explicitly mention that named ESM imports are no longer supported if this is an intentional breaking change.