Reproduce Error: TS2749: 'Thing' refers to a value, but is being used as a type here.

jslib-index.d.ts

// generated by tsc
export const Thing: typeof import("./thing");

jslib-index.js

const Thing = require('./thing');

module.exports = { Thing };

jslib-thing.d.ts

// generated by tsc
export = Thing;
declare class Thing {
    /**
     * @param {string} name
     */
    constructor(name: string);
    name: string;
}

jslib-thing.js

class Thing {
  /**
   * @param {string} name
   */
  constructor(name) {
    this.name = name;
  }
}

module.exports = Thing;

jslib-tsconfig.json

{
  "compilerOptions": {
    "target": "es2018",
    "esModuleInterop": true,
    "allowJs": true,
    "checkJs": false,
    "declaration": true,
    "emitDeclarationOnly": true
  },
  "files": [
    "index.js"
  ]
}

tsapp-index.ts

import { Thing } from "jsapp";

export const createThing = (): Thing => { // <- Error: TS2749: 'Thing' refers to a value, but is being used as a type here.
  return new Thing('Bob');
};