facebookexperimental/Recoil

[Typescript] Use selectorFamily with an interface

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#629 创建于 2020年9月30日

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 (7 评论) (8 反应) (1 负责人)JavaScript (19,428 star) (1,151 fork)batch import
TypeScript / Flowhelp wanted

描述

I have a simple interface called Filters

export interface Filters {
  search: string;
}

And I'm trying to use it like with selectorFamily like that: selectorFamily<Patient[], Filters> I'm getting typescript error

Type 'Filters' does not satisfy the constraint 'SerializableParam'. Type 'Filters' is not assignable to type 'Readonly<{ [key: string]: SerializableParam; }>'. Index signature is missing in type 'Filters'.ts(2344)

If I simply extract the interface selectorFamily<Patient[], { search: string }> it works, but I would happy to not do it

贡献者指南

技术栈
typescriptreact
领域
frontend
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
needs maintainer response
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
TypeScript basicsRecoil state management
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
30
研究方向
Investigate the Recoil type definitions in the repository, specifically the `selectorFamily` function and the `SerializableParam` constraint. Look at how generics are constrained and whether the interface can be made to satisfy the constraint without an index signature. Check existing comments for suggested workarounds or maintainer input on whether this is intended behavior.