consul/ui/packages/consul-ui/app/serializers/discovery-chain.js

import Serializer from './application';
import { PRIMARY_KEY, SLUG_KEY } from 'consul-ui/models/discovery-chain';

export default Serializer.extend({
  primaryKey: PRIMARY_KEY,
  slugKey: SLUG_KEY,
  respondForQueryRecord: function(respond, query) {
    return this._super(function(cb) {
      return respond(function(headers, body) {
        return cb(headers, {
          ...body,
          [SLUG_KEY]: body.Chain[SLUG_KEY],
        });
      });
    }, query);
  },
});