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fix(picker): Optimize performance and avoid frame drops #4120
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🤔 这个 PR 的性质是?
🔗 相关 Issue
fix: #4111
fix: #4130
💡 需求背景和解决方案
之前为了解决大量数据 picker 滚动性能问题引入虚拟滚动,做了一些优化内容,但是在频繁回调的onTouchMove事件中节流触发 setData 还可以继续优化:touchMove 期间只更新 offset,不更新虚拟滚动数据;另外做了移出 setInterval 与动画持续时长1000ms也改成了动态计算,用户体感更加流畅。
还在area示例中增加了大量数据的验证方法。
另外之前遗漏了平铺场景,在value变化没有准确监听,也一并修复。
📝 更新日志
fix(Picker): 优化性能减少掉帧
fix(Picker): 修复平铺模式
value变化未能准确监听本条 PR 不需要纳入 Changelog
☑️ 请求合并前的自查清单