SassError:找不到要导入的样式表。 @use '~@angular/material' 作为垫子;
Posted
技术标签:
【中文标题】SassError:找不到要导入的样式表。 @use \'~@angular/material\' 作为垫子;【英文标题】:SassError: Can't find stylesheet to import. @use '~@angular/material' as mat;SassError:找不到要导入的样式表。 @use '~@angular/material' 作为垫子; 【发布时间】:2021-08-11 13:47:49 【问题描述】:我使用 CLI 创建了一个 Angular 项目。我正在使用 SCSS,并在自定义主题 iirc 中包含了 Angular Material。我添加了几个虚拟组件,应用程序仍然构建良好。然后我需要使用 Angular Material 为我的组件设置样式。为此,我将@use '~@angular/material' as mat;
添加到我的style.scss
文件的第一行。一旦我这样做了,该应用程序将不再构建。它总是抛出以下错误:
ERROR in ./src/styles.scss (./node_modules/css-loader/dist/cjs.js??ref--13-1!./node_modules/postcss-loader/src??embedded!./node_modules/resolve-url-loader??ref--13-3!./node_modules/sass-loader/dist/cjs.js??ref--13-4!./src/styles.scss)
Module build failed (from ./node_modules/sass-loader/dist/cjs.js):
SassError: Can't find stylesheet to import.
╷
1 │ @use '~@angular/material' as mat;
│ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
╵
src/styles.scss 1:1 root stylesheet
我不知道我做错了什么;我的印象是,以这种方式导入 Angular Material 是可行的。我做错了吗?
如果有帮助,这是我的整个 style.scss
文件:
@use '~@angular/material' as mat;
// Custom Theming for Angular Material
// For more information: https://material.angular.io/guide/theming
@import '~@angular/material/theming';
// Plus imports for other components in your app.
// Include the common styles for Angular Material. We include this here so that you only
// have to load a single css file for Angular Material in your app.
// Be sure that you only ever include this mixin once!
@include mat-core();
// For each palette, you can optionally specify a default, lighter, and darker hue.
$aphrodite-primary: mat-palette($mat-indigo);
$aphrodite-accent: mat-palette($mat-pink, A200, A100, A400);
// The warn palette is optional (defaults to red).
$aphrodite-warn: mat-palette($mat-red);
// Create the theme object. A theme consists of configurations for individual
// theming systems such as "color" or "typography".
$aphrodite-theme: mat-light-theme((
color: (
primary: $aphrodite-primary,
accent: $aphrodite-accent,
warn: $aphrodite-warn,
)
));
// Include theme styles for core and each component used in your app.
// Alternatively, you can import and @include the theme mixins for each component
// that you are using.
@include angular-material-theme($aphrodite-theme);
/* You can add global styles to this file, and also import other style files */
@import '~normalize.css';
@import 'sassVars.scss';
html, body height: 100%;
html
background: $nullGray;
min-width: 400px;
body
font-family: Roboto, "Helvetica Neue", sans-serif;
background: $canvas;
max-width: $bodyWidth;
margin: auto;
height: 100%;
@include elevation(16);
这是我的angular.json
文件:
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects":
"myapp":
"projectType": "application",
"schematics":
"@schematics/angular:component":
"style": "scss"
,
"root": "",
"sourceRoot": "src",
"prefix": "app",
"architect":
"build":
"builder": "@angular-devkit/build-angular:browser",
"options":
"baseHref" : "/app/",
"deployUrl": "/app/",
"outputPath": "dist/myapp",
"index": "src/index.html",
"main": "src/main.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "tsconfig.app.json",
"aot": true,
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"src/styles.scss"
],
"scripts": []
,
"configurations":
"production":
"fileReplacements": [
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
],
"optimization": true,
"outputHashing": "all",
"sourceMap": false,
"extractCss": true,
"namedChunks": false,
"extractLicenses": true,
"vendorChunk": false,
"buildOptimizer": true,
"budgets": [
"type": "initial",
"maximumWarning": "2mb",
"maximumError": "5mb"
,
"type": "anyComponentStyle",
"maximumWarning": "6kb",
"maximumError": "10kb"
]
,
"serve":
"builder": "@angular-devkit/build-angular:dev-server",
"options":
"browserTarget": "myapp:build"
,
"configurations":
"production":
"browserTarget": "myapp:build:production"
,
"extract-i18n":
"builder": "@angular-devkit/build-angular:extract-i18n",
"options":
"browserTarget": "myapp:build"
,
"test":
"builder": "@angular-devkit/build-angular:karma",
"options":
"main": "src/test.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "tsconfig.spec.json",
"karmaConfig": "karma.conf.js",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"src/styles.scss"
],
"scripts": []
,
"lint":
"builder": "@angular-devkit/build-angular:tslint",
"options":
"tsConfig": [
"tsconfig.app.json",
"tsconfig.spec.json",
"e2e/tsconfig.json"
],
"exclude": [
"**/node_modules/**"
]
,
"e2e":
"builder": "@angular-devkit/build-angular:protractor",
"options":
"protractorConfig": "e2e/protractor.conf.js",
"devServerTarget": "myapp:serve"
,
"configurations":
"production":
"devServerTarget": "myapp:serve:production"
,
"defaultProject": "myapp",
"cli":
"analytics": "0ded4b78-d900-44ea-8ad2-b5cbba677e06"
【问题讨论】:
【参考方案1】:对于 Angular 13,请尝试从路径中删除波浪符号 (~
),以便像 @use '@angular/material' as mat;
一样导入。
它就像一个魅力
【讨论】:
这个适用于ng13 感谢您的反馈。它对我有用! 我发现github.com/angular/components/issues/23889 提供了一些背景信息。我还成功运行了ng update @angular/cdk --migrate-only --from 12.0.0 --to 13.0.0
,它修复了我的材料 scss 导入。我想我不是唯一一个正常 ng 更新中断的人
它工作但 phpStorm 不喜欢它,所以我使用 @use 'node_modules/@angular/material' as mat;
根据 jetbrains 问题 WEB-41588
@darko99:谢谢!这一直困扰着我很长一段时间,JB 还没有修复它(WebStorm 无法识别路径 without 波浪线,Angular 无法识别它 with 它在场 - 烦人的 af,使用WebStorm 2021.3, #WS-213.5744.224
)。【参考方案2】:
与 Google API 一样,Angular Material 版本 11 和版本 12 之间存在混淆。
[简答]
在 SCSS 中,他们似乎不推荐使用 @import
支持 @use
语法。 Angular Material 似乎在 v11->12 左右的某个地方实现了这个更改
(我也是新手。这是我最好的猜测)。
Watch this YouTube video 大致了解差异。
There is a reason why Google Angular is the most dreaded framework of 2020 on Stack Overflow :) 所以这取决于您使用的 Angular Material 版本
[长答案]
在 Angular Material v11 中,他们似乎使用 @import
语法,而在 v12 中,他们似乎更喜欢 @use
语法。
因此,您似乎正在尝试使用使用 Angular Material v11 设计的教程或主题,它使用 @import
语法,并将其与 Angular Material v12 的 @use
语法混合。两者最大的区别是@use
语法导致SCSS加前缀,所以函数名略有变化,例如
//angular material v11 which uses @import syntax
@import '~@angular/material/theming';//notice that the file imported is also different
@include mat-core();
$candy-app-primary: mat-palette($mat-indigo); //notice that functions not Namespaced
$candy-app-accent: mat-palette($mat-pink, A200, A100, A400);
虽然使用角度材料 v12 的相同示例使用 @use
语法
@use '~@angular/material' as mat;
$my-primary: mat.define-palette(mat.$indigo-palette, 500); //notice that functions are prefixed with Namespace mat. This is a feature of the scss @use directive
$my-accent: mat.define-palette(mat.$pink-palette, A200, A100, A400);
[我还没有找到在 2 个版本中找到正确函数名称的方法。手动迁移主题并非易事,尤其是当您是新手时]
所以你可以看到,很容易丢失样式表,这取决于你使用的是 Material v11 还是 12。祝你好运
【讨论】:
尽管我和下一个开发人员一样讨厌 Angular,但有关“可怕”的链接视频谈论的是 Angular.js 而不是 Angular 2+,所以您可能需要对其进行编辑。【参考方案3】:显然,我一直在为我的版本阅读错误的文档。上面的代码有两件事需要更改才能为我工作。
你不这样做@use '~@angular/material' as mat;
。重要的一行是@import '~@angular/material/theming';
,它已经被 CLI 放入文件中。
不是@include elevation(16);
,是@include mat-elevation(16);
。
【讨论】:
谢谢!顺便说一句,也可以使用@use '~@angular/material/theming' as mat;
滚动。
其实最新版居然说要导入@use '~@angular/material' as mat;
documentation
您可能正在使用较低版本的 Angular Material 主题。 v9.material.angular.io/guide/theming#defining-a-theme
This post 建议@use
更好。 Kurkov's answer 非常适合我。【参考方案4】:
试试这个方法:
@use '@angular/material' as mat;
没有 ~ 符号。
希望对你有用
【讨论】:
这个问题已经回答得很清楚了。以上是关于SassError:找不到要导入的样式表。 @use '~@angular/material' 作为垫子;的主要内容,如果未能解决你的问题,请参考以下文章