WARN A new version of sass-loader is available. Please upgrade for best experience. - Building for production...Deprecation Warning [legacy-js-api]: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0. More info: https://sass-lang.com/d/legacy-js-api Deprecation Warning [import]: Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0. More info and automated migrator: https://sass-lang.com/d/import ╷ 9 │ @import "~element-ui/packages/theme-chalk/src/index"; │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ╵ stdin 9:9 root stylesheet Deprecation Warning [legacy-js-api]: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0. More info: https://sass-lang.com/d/legacy-js-api | Building for production...Deprecation Warning [legacy-js-api]: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0. More info: https://sass-lang.com/d/legacy-js-api

时间: 2025-05-25 10:11:11 浏览: 46
### Sass 和 sass-loader 的弃用警告解决方案 当使用 `sass` 或 `node-sass` 以及 `sass-loader` 进行开发时,可能会遇到关于 **legacy-js-api** 的弃用警告。这是由于现代版本的 `dart-sass` 已经不再支持旧版 JavaScript API 调用方式所致[^1]。 #### 解决 Legacy-Js-Api 弃用警告 为了消除此警告并升级到最新版本的 `sass-loader`,可以采取以下措施: 1. 将项目中的 `node-sass` 替换为 `dart-sass`。这是因为 `node-sass` 使用的是 C++ 扩展实现,而 `dart-sass` 是纯 JavaScript 实现,能够更好地兼容最新的 `sass-loader` 版本。 安装命令如下: ```bash npm uninstall node-sass npm install dart-sass --save-dev ``` 2. 更新 `sass-loader` 到最新稳定版本(通常建议至少更新至 v10 及以上)。这一步可以通过以下命令完成: ```bash npm install sass-loader@latest webpack@latest fibers@latest --save-dev ``` 3. 修改 Webpack 配置文件以适配新的加载器设置。以下是配置的一个典型例子: ```javascript const path = require('path'); module.exports = { module: { rules: [ { test: /\.s[ac]ss$/i, use: [ 'style-loader', 'css-loader', { loader: 'sass-loader', options: { implementation: require('dart-sass'), fiber: require('fibers'), // 提升构建性能可选 }, }, ], }, ], }, }; ``` #### @import 规则的替代方案 随着 CSS Modules 和其他模块化工具的发展,Sass 社区推荐逐步淘汰传统的 `@import` 方法转而采用更现代化的方式管理样式依赖关系。具体方法包括但不限于以下几个方面: 1. **CSS Module**: 如果框架允许的话,可以直接切换到基于 CSS 模块的工作流来代替全局范围内的导入操作。这样不仅可以减少不必要的重复计算还能增强组件间样式的隔离性[^2]。 2. **Composes 关键字**: 在某些场景下可以用 `composes` 来组合不同类名从而达到复用目的而不是通过嵌套或者多重引入达成目标效果。 3. **按需加载**: 对于大型应用来说可能更适合考虑按照页面需求动态加载所需的 SCSS 文件而非一次性全部打包进来造成资源浪费的情况发生;此时就需要重新设计项目的结构布局以便更容易实现这一功能特性。 4. **PostCSS 插件**: 结合 PostCSS 插件如 autoprefixer 等也可以帮助简化部分跨浏览器兼容性的处理工作量进而降低对传统 SASS 功能过度依赖的程度。 综上所述,在面对此类问题时应该优先评估当前技术栈是否有必要继续沿用原有的做法还是寻找更加高效合理的途径加以改进优化才是长久之计。 ```javascript // Example of using composes instead of @import .button { color: blue; } .primary-button { composes: button; /* Reuse styles from .button */ } ```
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npm ERR! code 1 npm ERR! git dep preparation failed npm ERR! command D:\Program Files\nodejs\node.exe D:\node\nodejs\node_global\node_modules\npm\bin\npm-cli.js install --force --cache=D:\Program Files\nodejs\node_cache --prefer-offline=false --prefer-online=false --offline=false --no-progress --no-save --no-audit --include=dev --include=peer --include=optional --no-package-lock-only --no-dry-run npm ERR! npm WARN using --force Recommended protections disabled. npm ERR! npm WARN deprecated [email protected]: This package is no longer supported. npm ERR! npm WARN deprecated [email protected]: This module is not supported, and leaks memory. Do not use it. 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Building: D:\Program Files\nodejs\node.exe D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library= npm ERR! npm ERR! �ڴ˽��������һ������һ����Ŀ����Ҫ���ò������ɣ������ӡ�/m�����ء� npm ERR! npm ERR! ��������ʱ��Ϊ 2025/5/27 15:48:02�� npm ERR! npm ERR! �ڵ� 1 �ϵ���Ŀ��D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\build\binding.sln��(Ĭ��Ŀ��)�� npm ERR! npm ERR! ValidateSolutionConfiguration: npm ERR! npm ERR! �������ɽ���������á�Release|x64���� npm ERR! npm ERR! 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MSBUILD : error MSB3428: δ�ܼ��� Visual C++ �����VCBuild.exe����Ҫ��������⣬1) ��װ .NET Framework 2.0 SDK��2) ��װ Microsoft Visual Studio 2005���� 3) ������������װ��������λ�ã��뽫��λ�����ӵ�ϵͳ·���С� [D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\build\binding.sln] npm ERR! npm ERR! npm ERR! npm ERR! 0 ������ npm ERR! npm ERR! 1 ������ npm ERR! npm ERR! npm ERR! npm ERR! ����ʱ�� 00:00:00.40 npm ERR! npm ERR! gyp info it worked if it ends with ok npm ERR! npm ERR! gyp verb cli [ npm ERR! npm ERR! gyp verb cli 'D:\\Program Files\\nodejs\\node.exe', npm ERR! npm ERR! gyp verb cli 'D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-gyp\\bin\\node-gyp.js', npm ERR! npm ERR! gyp verb cli 'rebuild', npm ERR! npm ERR! gyp verb cli '--verbose', npm ERR! npm ERR! gyp verb cli '--libsass_ext=', npm ERR! npm ERR! gyp verb cli '--libsass_cflags=', npm ERR! npm ERR! gyp verb cli '--libsass_ldflags=', npm ERR! npm ERR! gyp verb cli '--libsass_library=' npm ERR! npm ERR! gyp verb cli ] npm ERR! npm ERR! gyp info using [email protected] npm ERR! npm ERR! gyp info using [email protected] | win32 | x64 npm ERR! npm ERR! gyp verb command rebuild [] npm ERR! npm ERR! gyp verb command clean [] npm ERR! npm ERR! gyp verb clean removing "build" directory npm ERR! npm ERR! gyp verb command configure [] npm ERR! npm ERR! gyp verb check python checking for Python executable "python2" in the PATH npm ERR! npm ERR! gyp verb which failed Error: not found: python2 npm ERR! npm ERR! gyp verb which failed at getNotFoundError (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:13:12) npm ERR! npm ERR! gyp verb which failed at F (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:68:19) npm ERR! npm ERR! gyp verb which failed at E (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:80:29) npm ERR! npm ERR! gyp verb which failed at D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:89:16 npm ERR! npm ERR! gyp verb which failed at D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\isexe\index.js:42:5 npm ERR! npm ERR! gyp verb which failed at D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\isexe\windows.js:36:5 npm ERR! npm ERR! gyp verb which failed at FSReqCallback.oncomplete (fs.js:192:21) npm ERR! npm ERR! gyp verb which failed python2 Error: not found: python2 npm ERR! npm ERR! gyp verb which failed at getNotFoundError (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:13:12) npm ERR! npm ERR! gyp verb which failed at F (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:68:19) npm ERR! npm ERR! gyp verb which failed at E (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:80:29) npm ERR! npm ERR! gyp verb which failed at D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\node_modules\which\which.js:89:16 npm ERR! npm ERR! gyp verb which failed at D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\isexe\index.js:42:5 npm ERR! npm ERR! gyp verb which failed at D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\isexe\windows.js:36:5 npm ERR! npm ERR! gyp verb which failed at FSReqCallback.oncomplete (fs.js:192:21) { npm ERR! npm ERR! gyp verb which failed code: 'ENOENT' npm ERR! npm ERR! gyp verb which failed } npm ERR! npm ERR! gyp verb check python checking for Python executable "python" in the PATH npm ERR! npm ERR! gyp verb which succeeded python D:\Python27\python.EXE npm ERR! npm ERR! gyp verb check python version D:\Python27\python.EXE -c "import sys; print "2.7.0 npm ERR! npm ERR! gyp verb check python version .%s.%s" % sys.version_info[:3];" returned: %j npm ERR! npm ERR! gyp verb get node dir no --target version specified, falling back to host node version: 14.20.0 npm ERR! npm ERR! gyp verb command install [ '14.20.0' ] npm ERR! npm ERR! gyp verb install input version string "14.20.0" npm ERR! npm ERR! gyp verb install installing version: 14.20.0 npm ERR! npm ERR! gyp verb install --ensure was passed, so won't reinstall if already installed npm ERR! npm ERR! gyp verb install version is already installed, need to check "installVersion" npm ERR! npm ERR! gyp verb got "installVersion" 9 npm ERR! npm ERR! gyp verb needs "installVersion" 9 npm ERR! npm ERR! gyp verb install version is good npm ERR! npm ERR! gyp verb get node dir target node version installed: 14.20.0 npm ERR! npm ERR! gyp verb build dir attempting to create "build" dir: D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\build npm ERR! npm ERR! gyp verb build dir "build" dir needed to be created? D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\build npm ERR! npm ERR! gyp verb Not using VS2017: Could not use PowerShell to find VS2017 npm ERR! npm ERR! gyp verb build/config.gypi creating config file npm ERR! npm ERR! gyp verb build/config.gypi writing out config file: D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\build\config.gypi npm ERR! npm ERR! gyp verb config.gypi checking for gypi file: D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\config.gypi npm ERR! npm ERR! gyp verb common.gypi checking for gypi file: D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass\common.gypi npm ERR! npm ERR! gyp verb gyp gyp format was not specified; forcing "msvs" npm ERR! npm ERR! gyp info spawn D:\Python27\python.EXE npm ERR! npm ERR! gyp info spawn args [ npm ERR! npm ERR! gyp info spawn args 'D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-gyp\\gyp\\gyp_main.py', npm ERR! npm ERR! gyp info spawn args 'binding.gyp', npm ERR! npm ERR! gyp info spawn args '-f', npm ERR! npm ERR! gyp info spawn args 'msvs', npm ERR! npm ERR! gyp info spawn args '-G', npm ERR! npm ERR! gyp info spawn args 'msvs_version=auto', npm ERR! npm ERR! gyp info spawn args '-I', npm ERR! npm ERR! gyp info spawn args 'D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-sass\\build\\config.gypi', npm ERR! npm ERR! gyp info spawn args '-I', npm ERR! npm ERR! gyp info spawn args 'D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-gyp\\addon.gypi', npm ERR! npm ERR! gyp info spawn args '-I', npm ERR! npm ERR! gyp info spawn args 'C:\\Users\\23969\\.node-gyp\\14.20.0\\include\\node\\common.gypi', npm ERR! npm ERR! gyp info spawn args '-Dlibrary=shared_library', npm ERR! npm ERR! gyp info spawn args '-Dvisibility=default', npm ERR! npm ERR! gyp info spawn args '-Dnode_root_dir=C:\\Users\\23969\\.node-gyp\\14.20.0', npm ERR! npm ERR! gyp info spawn args '-Dnode_gyp_dir=D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-gyp', npm ERR! npm ERR! gyp info spawn args '-Dnode_lib_file=C:\\Users\\23969\\.node-gyp\\14.20.0\\<(target_arch)\\node.lib', npm ERR! npm ERR! gyp info spawn args '-Dmodule_root_dir=D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-sass', npm ERR! npm ERR! gyp info spawn args '-Dnode_engine=v8', npm ERR! npm ERR! gyp info spawn args '--depth=.', npm ERR! npm ERR! gyp info spawn args '--no-parallel', npm ERR! npm ERR! gyp info spawn args '--generator-output', npm ERR! npm ERR! gyp info spawn args 'D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-sass\\build', npm ERR! npm ERR! gyp info spawn args '-Goutput_dir=.' npm ERR! npm ERR! gyp info spawn args ] npm ERR! npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation npm ERR! npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation npm ERR! npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation npm ERR! npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation npm ERR! npm ERR! gyp verb command build [] npm ERR! npm ERR! gyp verb build type Release npm ERR! npm ERR! gyp verb architecture x64 npm ERR! npm ERR! gyp verb node dev dir C:\Users\23969\.node-gyp\14.20.0 npm ERR! npm ERR! gyp verb found first Solution file build/binding.sln npm ERR! npm ERR! gyp verb could not find "msbuild.exe" in PATH - finding location in registry npm ERR! npm ERR! gyp info spawn C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe npm ERR! npm ERR! gyp info spawn args [ npm ERR! npm ERR! gyp info spawn args 'build/binding.sln', npm ERR! npm ERR! gyp info spawn args '/nologo', npm ERR! npm ERR! gyp info spawn args '/p:Configuration=Release;Platform=x64' npm ERR! npm ERR! gyp info spawn args ] npm ERR! npm ERR! gyp ERR! build error npm ERR! npm ERR! gyp ERR! stack Error: C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe failed with exit code: 1 npm ERR! npm ERR! gyp ERR! stack at ChildProcess.onExit (D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-gyp\lib\build.js:262:23) npm ERR! npm ERR! gyp ERR! stack at ChildProcess.emit (events.js:400:28) npm ERR! npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:285:12) npm ERR! npm ERR! gyp ERR! System Windows_NT 10.0.26100 npm ERR! npm ERR! gyp ERR! command "D:\\Program Files\\nodejs\\node.exe" "D:\\Program Files\\nodejs\\node_cache\\_cacache\\tmp\\git-cloneuwf27x\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library=" npm ERR! npm ERR! gyp ERR! cwd D:\Program Files\nodejs\node_cache\_cacache\tmp\git-cloneuwf27x\node_modules\node-sass npm ERR! npm ERR! gyp ERR! node -v v14.20.0 npm ERR! npm ERR! gyp ERR! node-gyp -v v3.8.0 npm ERR! npm ERR! gyp ERR! not ok npm ERR! npm ERR! Build failed with error code: 1

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