type: add type null

[li-jia-nan]

[中文版模板 / Chinese template]

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Internationalization
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• Code style optimization
• Test Case
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• Other (about what?)

🔗 Related issue link

• close Incorrect type for InputNumber's onChange #37412

💡 Background and solution

📝 Changelog

type: add type null

Language	Changelog
🇺🇸 English	add type null
🇨🇳 Chinese	新增类型null

☑️ Self-Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[github-actions]

[li-jia-nan]

ci 挂了是因为 rc 还没发

[codecov]

Codecov Report

Merging #37421 (60f1283) into master (df98cbb) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master    #37421   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          443       443           
  Lines         8174      8174           
  Branches      2402      2402           
=========================================
  Hits          8174      8174           

Impacted Files	Coverage Δ
components/input-number/index.tsx	100.00% <ø> (ø)

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[zheeeng]

这个有兼容性变更，应该发 minor 版本，input number 好像也没有传递 null 的情况，这个变更对下游的影响蛮大的，加了一堆 null 判断。是否可以考虑改回来。

[zheeeng]

@li-jia-nan @zombieJ @afc163

[li-jia-nan]

这个有兼容性变更，应该发 minor 版本，input number 好像也没有传递 null 的情况，这个变更对下游的影响蛮大的，加了一堆 null 判断。是否可以考虑改回来。

可以给个复现吗？

[zheeeng]

tsconfig 开 strict null checking 就会有：

const handleChange = (value: number) => {}

<InputNumber onChange={handleChange} />

这段代码之前可以运行，现在就不行了。得 const handleChange = (value: number | null) => {}

[houxd1992]

是的，升个版本 要改好多地方。。。