Ionic 2 faced an unresolved core-js dependency issue

Recently, I started working on a new Ionic 2 project and encountered an issue when trying to incorporate https://github.com/afrad/angular2-websocket. Upon installation, I received the warning message:

UNMET PEER DEPENDENCY core-js@^2.4.1

The template projects provided by Ionic 2 do not come with this package. While I understand that it is a polyfill project, Ionic already includes its own set of polyfills in builds. Do I really need to include this dependency in my project?

Answer №1

It's just a warning if you have already installed another version of core-js. You can safely ignore it.

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