import type Scope from "./scope";

export interface HubInterface {
  getCode(): ?string;
  getScope(): ?Scope;
  addHelper(name: string): Object;
  buildError(node: Object, msg: string, Error: Class<Error>): Error;
}

export default class Hub implements HubInterface {
  getCode() {}

  getScope() {}

  addHelper() {
    throw new Error("Helpers are not supported by the default hub.");
  }

  buildError(node, msg, Error = TypeError): Error {
    return new Error(msg);
  }
}