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https://issues.apache.org/jira/browse/TINKERPOP-1489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16035459#comment-16035459
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ASF GitHub Bot commented on TINKERPOP-1489:
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Github user jbmusso commented on the issue:
https://github.com/apache/tinkerpop/pull/450
@jorgebay I'd be happy to help with the work on this. I recently [added
partial JavaScript-GLV support to
gremlin-javascript](https://github.com/jbmusso/gremlin-javascript/tree/3bdb154f41c08d5adfc65e83250eee6d57a5cab5#experimental-javascript-gremlin-language-variant).
The library generates Groovy strings using
[zer](https://github.com/jbmusso/zer) which is now stable/tested enough that I
decided to add it as a dependency to the client. I'll soon tinker with gremlin
bytecode support in zer and I think support for lambdas is easy with
`Function.prototype.toString()` (ref:
[mdn](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/toString)).
We could maybe add Babel dependency with nashorn/ES5 presets, then
parse/transpile lambdas at runtime so people can use ES2015/2016+ lambdas in
their Node.js/browsers environments (though transpilation performance could be
an issue, but client-side caching/memoization could certainly help).
> Provide a Javascript Gremlin Language Variant
> ---------------------------------------------
>
> Key: TINKERPOP-1489
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1489
> Project: TinkerPop
> Issue Type: Improvement
> Components: language-variant
> Reporter: Jorge Bay
>
> It would be nice to have a Javascript Gremlin Language Variant that could
> work with any ES5 runtime, specially the ones that support
> [CommonJs|http://requirejs.org/docs/commonjs.html], like Node.js.
> Nashorn, the engine shipped with JDK 8+, does not implement CommonJs but
> provides [additional
> extensions|https://wiki.openjdk.java.net/display/Nashorn/Nashorn+extensions]
> making modular JavaScript possible. Nashorn should be supported in order to
> run glv tests under the same infrastructure (JDK8).
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