ding-js opened a new issue #11867: Allow pass nodeClick as a callback function for sunburst URL: https://github.com/apache/incubator-echarts/issues/11867 ### What problem does this feature solve? Deal with advanced user behavior and reduce server performance costs. For example, our data structure with many levels are complex and we only want to show the top level, then we will load child data when user click the top level. ### What does the proposed API look like? ```js { nodeClick: ({ node, toRoot }) => { if (node.children) { toRoot(); } else { // 1. load children data // 2. refresh chart } }; } ``` <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE --> <!-- This issue is in English. DO NOT REMOVE -->
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