Angular 4 + Material 2 SASS编译错误 "无法找到或读取要导入的文件"

8

我想使用自定义主题,但一直出现以下错误:

{
  "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"
}

我刚安装了一个全新的Angular进行测试,但是一直出现相同的错误。 我尝试过:

$ 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,并从https://material.angular.io/guide/theming中复制了示例自定义主题并尝试使用以下命令进行编译:

$ node-sass src/unicorn.scss dist/unicorn.css

我收到了之前提到的错误。 unicorn.scss的内容如下:

@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。以下是我的package.json文件:

{
  "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"
  }
}
4个回答

7
我像下面这样解决了之前的问题。

第一步:
src目录中创建customTheme.scss文件。
@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:导入语句取决于 Angular Material 版本,而导入语句位置取决于您的 customTheme.scss 位置。


第二步:
customTheme.scss 添加到 .angular-cli.json 中的样式数组中。

styles": [
        "styles.css",
        "customTheme.scss"
      ],

3

将以下内容放入 .angular-cli.json 文件中:

"stylePreprocessorOptions": {
    "includePaths": [
        "../node_modules"
    ]
},

2
在材料版本2.0.0-beta.3中,没有文件'~@angular/material/theming'; 如果您检查node_modules/@angular/material目录,您会看到有_theming.scss,因此您需要执行以下操作: @import '~@angular/material/_theming'; 重要提示: sass-loader v6.0.4中存在一个错误,您需要将.scss扩展名添加到您的导入@import '~@angular/material/_theming.scss';下一个sass-loader v6.0.5即将推出,不再需要.scss

0

将 @import '~@angular/material/core/theming/all-theme'; 替换为 @import "~@angular/material/_theming.scss";

此外,使用mat-core而不是md-core。

@include mat-core();


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