[GitHub] [echarts] susiwen8 commented on pull request #15847: Feat(line): mouse event on polyline and polygon

[GitBox <gi...@apache.org>]

susiwen8 commented on pull request #15847:
URL: https://github.com/apache/echarts/pull/15847#issuecomment-945039216


   > I think we need an option to enable this event. It may break the apps that don't check if `dataIndex` exists in their event handler.
   
   Add `enableLineEvent` option


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