Critical dependency: require function is used in a way in which dependencies cannot be statically extracted

Question

Has anyone faced below warning in \"ng serve\"?

WARNING in ./node_modules/@angular/compiler/src/util.js 10:24-31 Critical dependency: require functi

Answer 1

I experienced same error, when I've imported by mistake EventEmitter from protractor instead of @angular/core.

Changing import { EventEmitter } from 'protractor'; to import { EventEmitter } from '@angular/core'; fixed it.