Can't change populated values back to null

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评估

难度
3/5
预计耗时
1-2 天
新手友好度
45/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
停滞
技术栈
typescript
领域
frontend

调研方向

Start by locating the map editor’s event property editing code for JSON fields and boolean checkboxes, then trace how edited values are saved. Check whether the editor exposes a way to clear a property back to null; done means both fields can be cleared and the change is covered by an appropriate test. The issue gives no file or test path, so first identify the relevant entry point.

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描述

Once a json field has a value, you cannot set it back to null in the map editor. For example, if you create a SHOW_CHOICE event step, all the fields are initially blank/null. Once you enter a value, save it, then close the event editor, it is no longer able to go back to null. You cannot delete this value because it map editor will re-populate it.
Image

In the screenshot above, if I want to set the forceWidth field to a null value again, I either need to make an entirely new SHOW_CHOICE event step or I need to remove it manually in json.

This also works for boolean checkbox properties. In the screenshot below, the top SET_CAMERA_POS is a freshly-created event step, thus all values are currently null. Once you touch the checkbox for the wait property, you can only set it to true or false. You can't get rid of it from the editor now.

Image

This is all just a minor annoyance, not anything critical. I can always still manually work around this.

主要语言
TypeScript
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59
派生
19
平均合并
32 分钟
30 天内合并 PR
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环境准备

这个项目没有提供开发容器、Dockerfile 或贡献指南，环境需要你自己搭建：先看它的 README，通用步骤见我们的新手贡献指南。

从这里开始

  1. 先读完整个 Issue，再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  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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