grafana/public/app/core/components/jsontree/jsontree.ts

import coreModule from 'app/core/core_module';
import { JsonExplorer } from '../json_explorer/json_explorer';

coreModule.directive('jsonTree', [
  function jsonTreeDirective() {
    return {
      restrict: 'E',
      scope: {
        object: '=',
        startExpanded: '@',
        rootName: '@',
      },
      link: function(scope, elem) {
        var jsonExp = new JsonExplorer(scope.object, 3, {
          animateOpen: true,
        });

        const html = jsonExp.render(true);
        elem.html(html);
      },
    };
  },
]);