fix(babel-preset-taro): 配置中使用了不正确的插件

[skyclouds2001]

这个 PR 做了什么? (简要描述所做更改)

更新 babel 使用的插件名称

@babel/plugin-proposal-class-properties 插件已弃用，应采用 @babel/plugin-transform-class-properties

注意到 package.json 中已更新使用新插件，但 index.js 中尚未更新使用新插件

查看提交记录注意到对应插件已在 2ca1ce59c49d7900f6a098165299c2c52ea0548d 提交中更新为新插件，但在 c7688632f566016465e257756707acafbac604a6 中意外地恢复为弃用的原插件（但未恢复 package.json 中的）

在合并该 PR 后，就可以回退 5400d1f4bd538bdb5e022e0a3abccb92f1483826，从项目模板中移除该弃用的插件，参见 #16727

Note

考虑到该插件已被包含在 @babel/preset-env 中，未来可以考虑移除该插件

同时参见文档更新 NervJS/taro-docs#284

这个 PR 是什么类型? (至少选择一个)

• 错误修复(Bugfix) issue: fix #
• 新功能(Feature)
• 代码重构(Refactor)
• TypeScript 类型定义修改(Typings)
• 文档修改(Docs)
• 代码风格更新(Code style update)
• 其他，请描述(Other, please describe):

这个 PR 涉及以下平台:

• 所有小程序
• 微信小程序
• 支付宝小程序
• 百度小程序
• 字节跳动小程序
• QQ 轻应用
• 京东小程序
• 快应用平台（QuickApp）
• Web 平台（H5）
• 移动端（React-Native）
• 鸿蒙（harmony）

Summary by CodeRabbit

• Chores
  • 恢复了对类属性转换功能的支持，提高了代码在处理现代 JavaScript 特性时的稳定性。

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.70%. Comparing base (8ae3f2d) to head (8c66edf).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #16726   +/-   ##
=======================================
  Coverage   57.70%   57.70%           
=======================================
  Files         469      469           
  Lines       26551    26551           
  Branches     5722     5704   -18     
=======================================
  Hits        15321    15321           
- Misses       9765     9859   +94     
+ Partials     1465     1371   -94     

Flag	Coverage Δ
taro-cli	72.37% <ø> (ø)
taro-runtime	59.87% <ø> (ø)
taro-web	49.67% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
packages/babel-preset-taro/index.js	73.62% <ø> (ø)

... and 34 files with indirect coverage changes

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[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

此次变更在 packages/babel-preset-taro/index.js 文件中调整了 Babel 的配置。在模块导出函数中，插件数组中重新添加了 @babel/plugin-transform-class-properties 插件，其配置保持 { loose } 不变。该修改确保在转换类属性时插件得以正确应用，而不会影响现有逻辑和代码流程。

Changes

文件	变更摘要
packages/babel-preset-taro/index.js	在插件数组中重新添加 @babel/plugin-transform-class-properties 插件，配置保持 { loose }。

Sequence Diagram(s)

sequenceDiagram
    participant BabelPreset as Babel 预设模块
    participant ExportFunc as 模块导出函数
    participant PluginArr as 插件数组

    BabelPreset->>ExportFunc: 加载配置
    ExportFunc->>PluginArr: 获取插件列表
    PluginArr-->>ExportFunc: 返回插件列表（包含 @babel/plugin-transform-class-properties）
    ExportFunc-->>BabelPreset: 返回完整配置

Loading

Poem

我是一只快乐的小兔，
在代码丛林中欢跳不停。
@babel 插件归来赋新力，
类属性转换多了妙趣。
编程世界亮起温暖的光！ 🐰✨

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Reviewing files that changed from the base of the PR and between 8ae3f2d and 8c66edf.

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• packages/babel-preset-taro/index.js (1 hunks)

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[skyclouds2001]

closing due to #17385 has been merged