exports is not defined

[SunLxy]

System Info

System:
OS: macOS 13.4.1
CPU: (10) arm64 Apple M1 Max
Memory: 7.44 GB / 32.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 16.15.0 - /usr/local/bin/node
Yarn: 1.22.19 - /usr/local/bin/yarn
npm: 8.5.5 - /usr/local/bin/npm
pnpm: 7.8.0 - /usr/local/bin/pnpm
Watchman: 2023.04.17.00 - /opt/homebrew/bin/watchman
Browsers:
Chrome: 115.0.5790.170
Safari: 16.5.2
npmPackages:
@rspack/cli: 0.2.11 => 0.2.11

Details

代码块中不能直接写 Object.defineProperty(exports, "__esModule", { value: true })

Reproduce link

No response

Reproduce Steps

1. npm install
2. npm run dev

[hardfist]

can you help check the behavior of webpack?

[underfin]

The webpack will render to

var __webpack_unused_export__;

__webpack_unused_export__ = ({ value: true })

[SunLxy]

看了一下编译后的代码没有转换

[ScriptedAlchemy]

This is with an ESM output, correct?

[SunLxy]

这个就是初始化的项目，没加其他的配置 @ScriptedAlchemy

[daydayhappychao]

如果你的文件最终没有导出内容的话，构建工具会按 esm 处理，模块参数的第二项会是 webpack_exports 而不是 exports， webpack 也是这个逻辑，改一下你的 loader 中的模块化方案为 esm 就可以解决这个问题（当然为你的文件随便导出个啥让构建工具能知道你的文件类型是 commonjs 也可以

[stale]

This issue has been automatically marked as stale because it has not had recent activity. If this issue is still affecting you, please leave any comment (for example, "bump"). We are sorry that we haven't been able to prioritize it yet. If you have any new additional information, please include it with your comment!

[ahabhgk]

This should already been fixed by #6883