fix: avoid duplicate event handlers after chart remake - #4633
#4633Open
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fix: avoid duplicate event handlers after chart remake#4633xuefei1313 wants to merge 1 commit intodevelopVisActor/VChart:developfrom fix/event-listener-remake-duplicationVisActor/VChart:fix/event-listener-remake-duplicationCopy head branch name to clipboard
xuefei1313 wants to merge 1 commit into
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fix/event-listener-remake-duplicationVisActor/VChart:fix/event-listener-remake-duplicationCopy head branch name to clipboard
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July 28, 2026 10:00
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🤔 This is a ...
🔗 Related issue link
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🔗 Related PR link
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🐞 Bugserver case id
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💡 Background and solution
当
pointerdown用户回调中调用updateSpec，且更新触发图表重建时，VChart 会重复回放已注册的用户事件，因此后续点击会额外触发回调。重建时不再回放仍由 VChart 全局事件实例持有的用户监听；同时释放旧 chart-owned
Event的内部监听，避免 interaction 等模块在重建后重复注册。不会清空共享EventDispatcher，因此不会影响其他模块或用户事件。新增回归测试、chart 事件释放测试，以及 browser 复现页。
📝 Changelog
updateSpecremakes a chartupdateSpec重建图表后用户事件回调重复触发的问题☑️ Self-Check before Merge
🚀 Summary
copilot:summary
🔍 Walkthrough
copilot:walkthrough