src/polyfills.ts
import 'core-js/client/shim';
import 'reflect-metadata';
import 'ts-helpers';
// tslint:disable-next-line
require('zone.js/dist/zone');
// TODO: check what ENV does, and where it comes from
if (process.env.ENV !== 'build') {
// Development
Error['stackTraceLimit'] = Infinity;
// tslint:disable-next-line
require('zone.js/dist/long-stack-trace-zone');
}