discourse/app/assets/javascripts/discourse/adapters/post-reply.js.es6

import { ajax } from 'discourse/lib/ajax';
import RestAdapter from 'discourse/adapters/rest';

export default RestAdapter.extend({
  find(store, type, findArgs) {
    return ajax(`/posts/${findArgs.postId}/replies`).then(replies => {
      return { post_replies: replies };
    });
  },
});