//src/main.ts
import { PartialType } from './utils';

class Common {}

export class Sub extends PartialType(Common) {
  id: string;
}

// src/utils/index.ts
import { MyType, MyReturnType } from './type-helpers';

export function PartialType<T>(classRef: MyType<T>) {
  abstract class PartialClassType {
    constructor() {}
  }

  return PartialClassType as MyReturnType;
}

// src/utils/type-helpers.ts
export type MyReturnType = {
  new (...args: any[]): any;
};

export interface MyType<T = any> extends Function {
  new (...args: any[]): T;
}