使用npm安装的角材料在通过npm进行的其他任何软件包安装中均被删除。
./ src / scss / index.scss中的警告（./node_modules/@angular-devkit/build-angular/src/angular-cli-files/plugins/raw-css-loader.js!./node_modules/ postcss-loader / src嵌入！./ node_modules / sass-loader / lib / loader.js ref--14-3！./ src / scss / index.scss） 模块警告（来自./node_modules/postcss-loader/src/index.js）：
每次都会出现以下警告。删除棱角材料后，同样的警告也会变成错误。
package.json文件
{
"name": "report",
"version": "0.0.0",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/animations": "^7.2.0",
"@angular/cdk": "^7.3.7",
"@angular/common": "~7.2.0",
"@angular/compiler": "~7.2.0",
"@angular/core": "~7.2.0",
"@angular/forms": "~7.2.0",
"@angular/material": "^7.3.7",
"@angular/platform-browser": "~7.2.0",
"@angular/platform-browser-dynamic": "~7.2.0",
"@angular/router": "~7.2.0",
"@ng-bootstrap/ng-bootstrap": "^4.1.1",
"bootstrap": "^3.4.0",
"core-js": "^2.5.4",
"ng2-bootstrap": "^1.6.3",
"ng2-table": "^1.3.2",
"ngx-csv": "^0.3.1",
"ngx-loading": "^2.0.1",
"primeicons": "^1.0.0",
"primeng": "^7.1.2",
"rxjs": "~6.3.3",
"smooth-scrollbar": "^8.4.0",
"tslib": "^1.9.0",
"zone.js": "~0.8.26"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.13.0",
"@angular/cli": "~7.3.8",
"@angular/compiler-cli": "~7.2.0",
"@angular/language-service": "~7.2.0",
"@types/node": "~8.9.4",
"@types/jasmine": "~2.8.8",
"@types/jasminewd2": "~2.0.3",
"codelyzer": "~4.5.0",
"jasmine-core": "~2.99.1",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~4.0.0",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "~2.0.1",
"karma-jasmine": "~1.1.2",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "~5.4.0",
"ts-node": "~7.0.0",
"tslint": "~5.11.0",
"typescript": "~3.2.2"
}
}