fix(debug-variables): try to fix incorrect undefined type checking

[eason-hk-barcelona]

Types

• 🐛 Bug Fixes

Background or solution

Background

debug过程中，variables模块中的Globals部分出现预期外的undefined标识，与vscode不对齐：

1. opensumi：
   
   
2. vscode：
   

经过检查，发现debug-variables.view.tsx中对renderDescription方法对description是否为undefined判断有误，node.description始终为string类型，而这里预期是通过?:三元运算符进行undefined的兜底转换逻辑（转换成空字符串），二者有冲突

solution

• 使用字符串比较判断description是否为undefined
• 通过解构赋值和明确的字符串比较优化了代码，减少了重复的类型转换，同时增加了默认值以防止潜在的空值错误

Changelog

Summary by CodeRabbit

• Bug 修复
  • 优化了调试视图中变量描述的处理逻辑，确保当描述值为空或显示为“undefined”时，不再进行不必要的替换操作，从而提升了调试信息显示的准确性和稳定性。

[coderabbitai]

Walkthrough

本次提交修改了 DebugVariableRenderedNode 组件中 renderDescription 函数的实现逻辑。现在通过结构化赋值获取 description 属性，并设定默认值为空字符串。函数随后判断获取值是否不等于字符串 'undefined'，满足条件时执行字符串替换操作，将 "function" 替换为 "ƒ "。此修改旨在改进对无效 description 值的处理逻辑。

Changes

文件路径	修改摘要
packages/debug/src/.../debug-variables.view.tsx	修改 renderDescription 函数，使用结构化赋值获取 description 并检查是否为 'undefined' 后进行字符串替换。

Sequence Diagram(s)

sequenceDiagram
    participant View as DebugVariableRenderedNode
    participant Node as DebugVariableContainer
    View->>Node: 获取 description（默认值为空字符串）
    alt description 不等于 "undefined"
        View->>View: 执行字符串替换 ("function" 替换为 "ƒ ")
    else
        View->>View: 保持原描述不变
    end

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🐞 bug

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📥 Commits

Reviewing files that changed from the base of the PR and between 0c584d5 and 0fbc63b.

📒 Files selected for processing (1)

• packages/debug/src/browser/view/variables/debug-variables.view.tsx (1 hunks)

🔇 Additional comments (1)

packages/debug/src/browser/view/variables/debug-variables.view.tsx (1)

220-221: 优化了对 undefined 值的处理逻辑

修改通过解构赋值和明确的字符串比较来优化了 description 处理流程。此方法避免了当 description 为字符串 'undefined' 时进行不必要的替换操作，同时默认值设置为空字符串防止了潜在的空值错误。

这种实现方式比原来的更加健壮，能够正确处理边缘情况。

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