[Feature Request] 述求:el-select能否增加选项选中前(beforeSelected)这样的钩子函数?
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Description
### Existing Component
是
### Component Name
el-select
### Description
在业务中遇到述求,选中select的一项时,需要调用接口和校验判断此项是否有效,如果无效则还原先前的选择。目前做法是在el-select暴露的change事件中处理,但会有问题是当接口有延时的时候,页面ui展现是先选中点击项后再恢复先前的选项,change事件内部无论如何都是先选中了再判断逻辑,是否考虑支持beforeSelect的hook?
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