`withFieldGroup` array handling with nested

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还没有人认领这个 Issue。

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难度
4/5
预计耗时
3-5 天
新手友好度
38/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
冷清
技术栈
react, typescript
领域
frontend

调研方向

从链接的 CodeSandbox 复现开始,重点关注在上下移动嵌套数组值时的 withFieldGroup 和 SingleFieldWithReorder 组件。追踪渲染出的嵌套值为何与父数组映射不一致,并检查是否应将 fields 和 form 暴露给 render 函数。当嵌套组保持同步,并且 render props 的行为得到解决或记录时,即视为完成。

由索引模型根据 Issue 内容生成。

描述

v1 v2: needs investigation
Describe the bug

When combining the withFieldGroup for a complex array handling, the nested array element seems out of sync with the actual value of the group.

I've just tested while passing the root form to the SingleFieldWithReorder and the nested elements keep being out of sync (regarding the json value displayed)


Also, this is unrelated but when looking at the extra props of the render function, it seems to pass the fields and the form. Idk if this is expected or if the props must be sanitized when rendering to remove theses values before passing the props to the render method. (They are undocumented and not typed)

Your minimal, reproducible example

https://codesandbox.io/p/devbox/misty-monad-8t29lx?workspaceId=ws_PkVpfRWHUp5vMscgD59gVj

Steps to reproduce
  1. Try to move the value with the move down|move up buttons.
  2. See that the values from the base array mapping are correct, but the values rendered in the element aren't.
Expected behavior

I think the nested group value should remain sync with the array mapping from the parent group

How often does this bug happen?

Every time

Screenshots or Videos

No response

Platform
  • Browser: Tested on chrome 138.0.7204.183 (Official Build) (64-bit)
TanStack Form adapter

react-form

TanStack Form version

v1.15.1

TypeScript version

No response

Additional context

No response

主要语言
TypeScript
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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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