open-nomad/ui/app/routes/optimize/index.js

import Route from '@ember/routing/route';

export default class OptimizeIndexRoute extends Route {
  async activate() {
    // This runs late in the loading lifecycle to ensure .filteredSummaries is populated
    const summaries = this.controllerFor('optimize').filteredSummaries;

    if (summaries.length) {
      const firstSummary = summaries.objectAt(0);

      return this.transitionTo('optimize.summary', firstSummary.slug, {
        queryParams: { jobNamespace: firstSummary.jobNamespace || 'default' },
      });
    }
  }
}