Found Relay <Route>

Route.js

import HttpError from 'found/lib/HttpError';
import BaseRoute from 'found/lib/Route';
import React from 'react';
import LoadingIndicator from '@bfly/ui/lib/LoadingIndicator';

function defaultGetDataFrom({ location }) {
  return location.action === 'POP' ? 'STORE_OR_NETWORK' : 'STORE_THEN_NETWORK';
}

export function createRender({ prerender, render, renderFetched }) {
  return renderArgs => {
    const { resolving, Component, props, error } = renderArgs;

    if (error) {
      // TODO: What if we're not resolving?
      throw new HttpError(500);
    }

    if (prerender && resolving) {
      prerender(renderArgs);
    }

    if (render) {
      return render(renderArgs);
    }

    if (props && renderFetched) {
      return renderFetched(renderArgs);
    }

    if (!Component) {
      return null;
    }

    if (!props) {
      return <LoadingIndicator />;
    }

    return <Component {...props} />;
  };
}

export default class Route extends BaseRoute {
  constructor(props) {
    if (!(props.query || props.getQuery)) {
      super(props);
      return;
    }

    super({
      getDataFrom: defaultGetDataFrom,
      ...props,
      render: createRender(props),
    });
  }
}