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use globalThis instead of window in HMR #134

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merged 4 commits into from
Nov 11, 2024

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MaxArtemov
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@MaxArtemov MaxArtemov commented Jul 24, 2023

Usage of window in non-browser env, breaks

Summary by CodeRabbit

  • 新特性
    • 改进了热模块替换(HMR)逻辑,增强了对不同环境的兼容性。
  • 修复
    • 添加了对globalThis的优先支持,以提高在非生产环境中的稳定性。

@antoniopresto
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antoniopresto commented Jul 28, 2023

+ 1

This fixes window is not defined in next.js "edge runtimes"

for more context: https://wintercg.org/

The ultimate goal of the group is to promote runtimes supporting a comprehensive unified API surface that JavaScript developers can rely on regardless of the runtime they are using: be it browsers, servers, embedded applications, or edge runtimes. The members of the group want to provide a space to better coordinate between browser vendors and other implementors on how Web Platform APIs can be best implemented and used outside of browsers.

src/hooks/useHMR.ts Outdated Show resolved Hide resolved
@afc163 afc163 requested a review from zombieJ July 29, 2023 11:21
@codecov-commenter
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codecov-commenter commented Jul 29, 2023

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 94.87%. Comparing base (880ed09) to head (93ee282).
Report is 4 commits behind head on master.

Files with missing lines Patch % Lines
src/hooks/useHMR.ts 0.00% 8 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master     #134      +/-   ##
==========================================
- Coverage   95.07%   94.87%   -0.20%     
==========================================
  Files          33       33              
  Lines        2883     2889       +6     
  Branches      456      456              
==========================================
  Hits         2741     2741              
- Misses        142      148       +6     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

Co-authored-by: antoniopresto <antoniopresto@gmail.com>
@XavierLeTohic
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+1 tested quickly via this loader and it fixed window is not defined using renderToPipeableStream from react-dom/server with Express

{
  test: /node_modules[\\/]@ant-design[\\/]cssinjs[\\/]es[\\/]hooks[\\/]useHMR\.js$/, // https://github.com/ant-design/cssinjs/issues/133
  loader: "string-replace-loader",
  options: {
	  search: "window",
	  replace: "globalThis",
	  flags: "g",
  },
},

@antoniopresto
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antoniopresto commented Aug 13, 2023

Hi! Do you need any help on this? :)

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coderabbitai bot commented Nov 8, 2024

📝 Walkthrough

Walkthrough

此次更改主要涉及 src/hooks/useHMR.ts 文件中的热模块替换(HMR)逻辑。useProdHMR 函数保持不变,继续在生产环境中返回 falseuseDevHMR 函数返回 webpackHMR 变量的值。主要改动在于对 window 对象的处理,代码优先使用 globalThis 访问全局对象,若不支持则回退到 window,并增加了对 win 变量是否定义的检查,以增强不同环境的兼容性。

Changes

文件路径 更改摘要
src/hooks/useHMR.ts 修改 HMR 逻辑,优先使用 globalThis 访问全局对象,增加对 win 是否定义的检查。

Poem

在月光下,兔子欢跳,
热模块替换,真是妙!
全局对象,优先选,
兼容性强,环境善。
代码更新,乐无穷,
开发之路,兔子行! 🐇✨


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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
src/hooks/useHMR.ts (1)

22-27: 建议简化全局对象访问逻辑

当前实现使用了多层条件判断来访问全局对象。考虑到 globalThis 在现代运行时环境中的广泛支持,建议采用更简洁的方式。

建议修改为:

-  const win =
-    typeof globalThis !== 'undefined'
-      ? globalThis
-      : ((typeof window !== 'undefined' ? window : null) as any);
+  const win = globalThis as any;

这样的修改可以:

  • 减少代码复杂度
  • 提高代码可读性
  • 符合现代 JavaScript 最佳实践
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between eabc24e and 93ee282.

📒 Files selected for processing (1)
  • src/hooks/useHMR.ts (1 hunks)
🔇 Additional comments (1)
src/hooks/useHMR.ts (1)

29-29: 对全局对象的空值检查是个很好的改进

添加 win && 检查可以防止在不支持相关全局对象的环境中出现运行时错误,这是一个很好的防御性编程实践。

@zombieJ zombieJ merged commit 10c7642 into ant-design:master Nov 11, 2024
6 of 8 checks passed
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5 participants