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看代码是直接对比,太局限了,基本只能原子类型的数组能用 我的 list 是 { key: string, name: string }[],需要根据 key 找出 index,理解性用 getIndex(key),看源码发现不对劲
{ key: string, name: string }[]
const getIndex = useCallback( (key: number) => keyList.current.findIndex((ele) => ele === key), [], );
建议加个第二个参数
const getIndex = useCallback( (key: number, attr?: string | (val: T) => boolean) => keyList.current.findIndex((ele) => { if (typeof attr === 'function') return attr(ele) if (typeof attr === 'string') return ele[attr] === key return ele === key }), [], );
The text was updated successfully, but these errors were encountered:
key 有什么使用场景是其他类型的吗
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可以增加这个能力
列表的元素主键,可能为 key,可能为 id,不确定,可能是 string 或 number 类型
hchlq
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看代码是直接对比,太局限了,基本只能原子类型的数组能用
我的 list 是
{ key: string, name: string }[]
,需要根据 key 找出 index,理解性用 getIndex(key),看源码发现不对劲建议加个第二个参数
The text was updated successfully, but these errors were encountered: