ember-infinity and jsonapi pagination

json-api-infinity.js

import { resolve } from 'rsvp';
import { merge } from '@ember/polyfills';
import { isPresent } from '@ember/utils';
import InfinityModel from 'ember-infinity/lib/infinity-model';

export default InfinityModel.extend({
  canLoadMore: true,

  buildParams(increment) {
    let pageParams = {};
    const offset = (this.currentPage + increment) -1;
    if (offset > 0) pageParams['offset'] = offset;
    merge(this.extraParams['page'], pageParams);
    return this.extraParams;
  },

  async afterInfinityModel(collection) {
    const { links: { next: nextPageLink } } = collection;
    this.set('canLoadMore', isPresent(nextPageLink));
    return resolve(collection);
  }
});