fix(Cascader): preserve normalized option keys

[chengluliu]

🤔 这个变动的性质是？

• 日常 bug 修复
• 测试用例

🔗 相关 Issue

Closes #3429

💡 需求背景和解决方案

当 optionKey 将 textKey 和 valueKey 映射到同一原始字段时，others 会在归一化字段之后展开并覆盖 text 或 value。

调整字段展开顺序，先保留其他属性，再写入归一化后的 text、value 和 children。同时补充两种同字段映射的回归用例。

☑️ 请求合并前的自查清单

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• fork仓库代码是否为最新避免文件冲突
• Files changed 没有 package.json lock 等无关文件

✅ 验证

• pnpm test
• pnpm build
• pnpm build:taro

Summary by CodeRabbit

• Bug Fixes
  • 修复级联选择器选项字段规范化问题，确保自定义文本和值字段正确映射。
  • 确保标准化后的字段覆盖原始同名属性，并保留 children: undefined 状态。

[coderabbitai]

Walkthrough

normalizeOptions 调整对象属性展开顺序，使归一化后的 text、value 和 children 覆盖原始同名属性。测试覆盖自定义字段映射和缺失子节点。

Changes

Cascader 属性归一化

Layer / File(s)	Summary
归一化字段覆盖与测试 src/packages/cascader/utils.ts, src/packages/cascader/__tests__/cascader.spec.tsx	normalizeOptions 先展开原始字段，再设置标准化的 text、value 和 children。新增测试验证自定义 textKey、valueKey、无关字段保留，以及 children: undefined。

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• jdf2e/nutui-react#3167：同样涉及 Cascader 归一化后的 text 和 value 字段。

Poem

小兔敲代码，字段排整齐，
text 与 value 不再被覆盖。
children 缺席也明确，
测试灯光亮晶晶。
Cascader 轻快地跳起。

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	标题准确概括了 Cascader 归一化字段覆盖问题的修复。
Description check	✅ Passed	描述包含变更性质、关联 Issue、问题背景、解决方案、自查清单和验证命令。
Linked Issues check	✅ Passed	代码调整字段展开顺序并增加两种回归测试，满足 Issue #3429 的全部编码目标。
Out of Scope Changes check	✅ Passed	变更仅涉及 normalizeOptions 修复及对应测试，未发现与 Issue #3429 无关的内容。
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

🧹 Nitpick comments (1)

src/packages/cascader/__tests__/cascader.spec.tsx (1)

90-108: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

补充真正的无关字段断言。

当前 options 只包含 text 和 value。这两个字段都会被归一化字段覆盖，因此断言没有验证 ...others 是否保留无关属性。请加入 disabled 或其他非 text/value 字段，并在两个期望结果中断言该字段仍存在。

建议修改

-    const options = [{ text: '北京', value: '021' }]
+    const options = [{ text: '北京', value: '021', disabled: true }]

同时在两个期望结果中加入：

disabled: true

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@src/packages/cascader/__tests__/cascader.spec.tsx` around lines 90 - 108,
Update the options fixture in the test “normalizes mapped fields after
preserving unrelated option fields” to include a non-text/value field such as
disabled: true, and add that field to both expected normalized results while
preserving the existing mapped-field assertions.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@src/packages/cascader/__tests__/cascader.spec.tsx`:
- Around line 90-108: Update the options fixture in the test “normalizes mapped
fields after preserving unrelated option fields” to include a non-text/value
field such as disabled: true, and add that field to both expected normalized
results while preserving the existing mapped-field assertions.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: e66a43d7-a72b-41f8-8654-d0328faf952c

📥 Commits

Reviewing files that changed from the base of the PR and between 6efc38c and cbc6c96.

📒 Files selected for processing (2)

• src/packages/cascader/__tests__/cascader.spec.tsx
• src/packages/cascader/utils.ts