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https://issues.apache.org/jira/browse/TINKERPOP-2137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16748258#comment-16748258
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Dominik Franek commented on TINKERPOP-2137:
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I am now looking at the code and found out, that gremlin javascript uses "ws": 
"^3.0.0", however there is already version 6 available, which might solve some 
of other issues which would occure (e.g. deprecated crypto npm package, because 
it is now build-in Node module.

> Gremlin Javascript can't be used in Angular applications
> --------------------------------------------------------
>
>                 Key: TINKERPOP-2137
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2137
>             Project: TinkerPop
>          Issue Type: Bug
>          Components: javascript
>    Affects Versions: 3.4.0
>         Environment: "@angular/cdk": "^7.2.1",
>            Reporter: Dominik Franek
>            Priority: Major
>
> If you try to install gremlin using
> {code:java}
> ng add gremlin{code}
> it gets you:
> _The package that you are trying to add does not support schematics. You can 
> try using a different version of the package or contact the package author to 
> add ng-add support._
> If you try using
> {code:java}
> npm i gremlin{code}
> it is installed, however the gremlin package can't be used in Angular 
> Application. Is there any way to fix it to work for ng-add? If not, maybe the 
> documentation needs an update of what Javascript environments are supported, 
> because our project intended to use Gremlin (we tried using Java, that 
> Gremlin is perfect... now when developing we found out that it is not 
> possible in Angular :) ).



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