A utility function for creating a constructor signature out of a TypeScript type

ClassFor.ts

export interface Type<Props, Args> extends Function {
  new (args: Args): Props
}

export const ClassFor = <T extends object>(): Type<T, T> => {
  const Class = function (options: T) {
    for (const key in options) {
      Class.prototype[key] = options[key]
    }
  }

  return Class as unknown as Type<T, T>
}