[英]Angular 4 + Material 2 SASS compile error “File to import not found or unreadable”
我正在尝试使用自定义主题但我不断收到错误:
{
"status": 1,
"file": "/home/adam/Projects/test-material/src/unicorn.scss",
"line": 1,
"column": 1,
"message": "File to import not found or unreadable: ~@angular/material/theming.\nParent style sheet: /home/adam/Projects/test-material/src/unicorn.scss",
"formatted": "Error: File to import not found or unreadable: ~@angular/material/theming.\n Parent style sheet: /home/adam/Projects/test-material/src/unicorn.scss\n on line 1 of src/unicorn.scss\n>> @import '~@angular/material/theming';\n ^\n"
}
我已经安装了一个白兰地新的Angular来测试它,我一直得到同样的错误。 我试过了:
$ ng new test-material
$ cd test-material/
$ npm install --save @angular/material
然后我创建了一个名为src/unicorn.scss
的文件并粘贴了https://material.angular.io/guide/theming中的示例自定义主题并尝试使用以下命令编译它: $ node-sass src/unicorn.scss dist/unicorn.css
我得到了前面提到的错误。 unicorn.scss
的内容是:
@import '~@angular/material/theming';
@include mat-core();
$candy-app-primary: mat-palette($mat-indigo);
$candy-app-accent: mat-palette($mat-pink, A200, A100, A400);
$candy-app-warn: mat-palette($mat-red);
$candy-app-theme: mat-light-theme($candy-app-primary, $candy-app-accent, $candy-app-warn);
@include angular-material-theme($candy-app-theme);
我正在使用Angular 4和Material 2.0.0-beta.3这是我的package.json:
{
"name": "test-material",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/common": "^4.0.0",
"@angular/compiler": "^4.0.0",
"@angular/core": "^4.0.0",
"@angular/forms": "^4.0.0",
"@angular/http": "^4.0.0",
"@angular/material": "^2.0.0-beta.3",
"@angular/platform-browser": "^4.0.0",
"@angular/platform-browser-dynamic": "^4.0.0",
"@angular/router": "^4.0.0",
"core-js": "^2.4.1",
"rxjs": "^5.1.0",
"zone.js": "^0.8.4"
},
"devDependencies": {
"@angular/cli": "1.0.0",
"@angular/compiler-cli": "^4.0.0",
"@types/jasmine": "2.5.38",
"@types/node": "~6.0.60",
"codelyzer": "~2.0.0",
"jasmine-core": "~2.5.2",
"jasmine-spec-reporter": "~3.2.0",
"karma": "~1.4.1",
"karma-chrome-launcher": "~2.0.0",
"karma-cli": "~1.0.1",
"karma-jasmine": "~1.1.0",
"karma-jasmine-html-reporter": "^0.2.2",
"karma-coverage-istanbul-reporter": "^0.2.0",
"protractor": "~5.1.0",
"ts-node": "~2.0.0",
"tslint": "~4.5.0",
"typescript": "~2.2.0"
}
}
把它放在.angular-cli.json中:
"stylePreprocessorOptions": {
"includePaths": [
"../node_modules"
]
},
我解决了前面的问题如下。
第一步:
在src
目录中创建customTheme.scss
。
@import '../node_modules/@angular/material/_theming';
@include mat-core();
$candy-app-primary: mat-palette($mat-cyan);
$candy-app-accent: mat-palette($mat-green, A200, A100, A400);
$candy-app-warn: mat-palette($mat-red);
$candy-app-theme: mat-light-theme($candy-app-primary, $candy-app-accent, $candy-app-warn);
@include angular-material-theme($candy-app-theme);
重要提示:import语句取决于angular材质版本,import语句位置也取决于customTheme.scss
位置。
第二步:
将customTheme.scss
添加到.angular-cli.json
样式数组
styles": [
"styles.css",
"customTheme.scss"
],
在材料版本2.0.0-beta.3
中没有文件'~@angular/material/theming';
如果你检查node_modules/@angular/material
目录,你会看到_theming.scss
所以你需要这样做:
@import '~@angular/material/_theming';
重要:
sass-loader v6.0.4中有一个错误,你需要在你的import @import '~@angular/material/_theming.scss';
添加.scss
扩展名@import '~@angular/material/_theming.scss';
下一个sass-loader v6.0.5
未来.scss
不再需要
替换@import'〜@ angular / material / core / theming / all-theme'; 使用@import“~@ angular/material/_theming.scss”;
另外,使用mat-core代替md-core。
@include mat-core();
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