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We are currently writing a BI report module and want to use any open source library for creating charts. This looks really nice. But I want to understand whether we could able to extend it to create say custom chart? Is that possible?

And also we can extend it to support say drilldown charts?

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Hi antoaravinth, thanks for the question!

Totally! You could fork the library and modify the charts if that's what you need. The source code is based on the reusable API (https://www.eventbrite.com/engineering/leveling-up-d3-the-re...), and it should be easy for D3 developers to understand the code and extend it. Our development environment also provides with the demo pages that can be used as a sandboxed context, and you can make use of our current tests to keep the code well tested!

Regarding the drill down charts, in theory, is possible!

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