如何解决ng 服务“无法获取 /”
升级到 Angular 12 后,我无法在 localhost:4200 上为开发服务器提供服务。
如果我运行 ng serve
只有一个错误:
Error: /var/www/html/stuff2angular/assets/css/style.scss:10:32: Unknown word
You tried to parse SCSS with the standard CSS parser; try again with the postcss-scss parser
ng build
没有错误并生成了一个可以运行的应用程序。
禁用常春藤没有帮助。
我的 angular.json:
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json","version": 1,"newProjectRoot": "projects","projects": {
"stuff2angular": {
"projectType": "application","schematics": {
"@ngrx/schematics:component": {
"style": "scss"
}
},"root": "","sourceRoot": "src","prefix": "arcr","i18n": {
"locales": {
"de": "src/locale/messages.de.xlf","en": "src/locale/messages.en.xlf"
}
},"architect": {
"build": {
"builder": "@angular-devkit/build-angular:browser","options": {
"outputPath": "dist/stuff2angular","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/assets/css/style.scss","src/assets/css/basics.scss","src/assets/font/fontawesome/css/all.css"
],"stylePreprocessorOptions": {
"includePaths": [
"src/assets/css"
]
},"scripts": [
"src/assets/font/fa-custom.js"
]
},"configurations": {
"production": {
"fileReplacements": [
{
"replace": "src/environments/environment.ts","with": "src/environments/environment.prod.ts"
}
],"optimization": true,"outputHashing": "all","sourceMap": false,"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": "stuff2angular:build"
},"configurations": {
"production": {
"browserTarget": "stuff2angular:build:production"
}
}
},"extract-i18n": {
"builder": "@angular-devkit/build-angular:extract-i18n","options": {
"browserTarget": "stuff2angular:build"
}
},"test": {
"builder": "@angular-devkit/build-angular:karma","options": {
"main": "src/test.ts","tsConfig": "tsconfig.spec.json","karmaConfig": "karma.conf.js","styles": [
"src/styles.scss","src/basics.scss","src/w3schools.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": "stuff2angular:serve"
},"configurations": {
"production": {
"devServerTarget": "stuff2angular:serve:production"
}
}
}
}
}
},"defaultProject": "stuff2angular","cli": {
"defaultCollection": "@ngrx/schematics","analytics": "31d612d1-4061-47ae-8168-c83cb1adf86e"
}
}
浏览器说:404 localhost:4200
看起来服务器没有运行。
删除文件夹 /node_modules 并运行 npm install
没有任何改变。
我能做什么?有什么想法吗?
[编辑]
操作系统:Ubuntu 20.04
ng v
:
Angular CLI: 12.0.0
Node: 14.17.0
Package Manager: npm 6.14.13
OS: linux x64
Angular: 12.0.0
... animations,cdk,cli,common,compiler,compiler-cli,core
... forms,language-service,localize,material
... platform-browser,platform-browser-dynamic,router
Package Version
---------------------------------------------------------
@angular-devkit/architect 0.1200.0
@angular-devkit/build-angular 12.0.0
@angular-devkit/core 12.0.0
@angular-devkit/schematics 12.0.0
@schematics/angular 12.0.0
rxjs 6.6.7
typescript 4.2.4
该应用是使用 CLI 创建的。
我的应用已从 11 升级到 12,请参阅 update.angular.io。
解决方法
*.scss 中的内联注释是错误消息的问题。
并且没有 css 错误,本地开发服务器可以工作。
奇怪的是 CSS 问题会杀死服务器。
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