我正在使用angular2-webpack-starter,并且我的样式表是 SASS。一切正常,但是当我尝试运行业力测试时,它失败了,给了我这个错误
ERROR in ./src/app/widgets/message/messages.scss
Module parse failed: d:\ui_widgets-A2\src\app\widgets\message\messages.scss Unexpected token (6:22)
You may need an appropriate loader to handle this file type.
SyntaxError: Unexpected token (6:22)
at Parser.pp.raise (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:920:13)
at Parser.pp.unexpected (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:1483:8)
at Parser.pp.semicolon (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:1462:73)
at Parser.pp.parseExpressionStatement (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:1976:8)
at Parser.pp.parseStatement (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:1754:188)
at Parser.pp.parseTopLevel (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:1648:21)
at Parser.parse (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:1616:17)
at Object.parse (d:\ui_widgets-A2\node_modules\acorn\dist\acorn.js:882:44)
at Parser.parse (d:\ui_widgets-A2\node_modules\webpack\lib\Parser.js:902:15)
at DependenciesBlock.<anonymous> (d:\ui_widgets-A2\node_modules\webpack\lib\NormalModule.js:104:16)
at DependenciesBlock.onModuleBuild (d:\ui_widgets-A2\node_modules\webpack-core\lib\NormalModuleMixin.js:310:10)
at nextLoader (d:\ui_widgets-A2\node_modules\webpack-core\lib\NormalModuleMixin.js:275:25)
at d:\ui_widgets-A2\node_modules\webpack-core\lib\NormalModuleMixin.js:259:5
at Storage.finished (d:\ui_widgets-A2\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:38:16)
at d:\ui_widgets-A2\node_modules\graceful-fs\graceful-fs.js:78:16
at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:439:3)
@ ./src/app/widgets/message/message.component.ts 9:431-457
我尝试安装karma-sass-preprocessor和karma-scss-preprocessor但似乎没有任何效果。我应该怎么办?