安装 angular deps 时 NPM 安装导致 404

Question

我安装了最新的 node.js 8.x 和 npm 5.6.0。尝试执行npm install 时，我不断收到以下错误：

npm 错误！代码 E404

npm 错误！ 404 未找到：@angular/router@5.2.0

每次重试安装失败的模块都不一样，但最常见的是@angular/forms@5.2.0、@angular/animations@5.2.0和@angular/platform-browser@5.2.0

• 我的互联网连接正常
• 我已经运行npm config set registry https://registry.npmjs.org/。
• 我删除了node_modules 文件夹
• 我已删除缓存：npm cache clean --force
• npm search 确实找到了模块：

C:\windows\system32>npm search @angular/router

姓名 |说明 |作者 |日期 |版本 |关键词

@angular/路由器 |角 - 的… | =角| 2018-04-16 | 5.2.10 |角度路由器

还有什么问题？

为了完整起见，这里是 package.json：

{
  "name": "App",
  "angular-cli": {},
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build --env=scapp",
    "build-local": "ng build --env=dev",
    "build-nonevis": "ng build --env=nonevis",
    "test": "ng test",
    "lint": "ng lint",
    "lint-fix": "ng lint --fix",
    "e2e": "ng e2e"
  },
  "dependencies": {
    "@angular/animations": "5.2.0",
    "@angular/common": "^5.2.0",
    "@angular/compiler": "^5.2.0",
    "@angular/core": "^5.2.0",
    "@angular/forms": "5.2.0",
    "@angular/http": "5.2.0",
    "@angular/platform-browser": "5.2.0",
    "@angular/platform-browser-dynamic": "5.2.0",
    "@angular/router": "5.2.0",
    "@ngx-translate/core": "9.1.1",
    "@ngx-translate/http-loader": "2.0.1",
    "@types/arcgis-js-api": "^4.4.0",
    "@types/node": "9.4.0",
    "angular2-esri-loader": "^1.0.0",
    "cerialize": "^0.1.18",
    "chart.js": "2.7.1",
    "core-js": "^2.5.1",
    "esri-loader": "^1.1.0",
    "fullcalendar": "3.7.0",
    "intl": "^1.2.5",
    "jquery": "3.2.1",
    "moment": "2.18.1",
    "nanoscroller": "0.8.7",
    "ngx-perfect-scrollbar": "5.3.4",
    "primeng": "5.2.0",
    "quill": "1.1.8",
    "rxjs": "5.5.2",
    "web-animations-js": "2.3.1",
    "zone.js": "0.8.18"
  },
  "devDependencies": {
    "@angular/cli": "^1.6.5",
    "@angular/compiler-cli": "^5.2.0",
    "@types/jasmine": "2.5.53",
    "@types/jasminewd2": "2.0.2",
    "@types/node": "6.0.60",
    "codelyzer": "4.0.1",
    "jasmine-core": "2.6.4",
    "jasmine-spec-reporter": "4.1.1",
    "karma": "1.7.1",
    "karma-chrome-launcher": "2.1.1",
    "karma-cli": "1.0.1",
    "karma-jasmine": "1.1.0",
    "karma-jasmine-html-reporter": "0.2.2",
    "karma-coverage-istanbul-reporter": "1.3.0",
    "protractor": "5.1.2",
    "ts-node": "3.2.0",
    "tslint": "5.7.0",
    "typescript": "2.4.2"
  }
}

Answer 1

问题是由包含行always-auth = true 的本地文件.npmrc 引起的。删除此行解决了该问题。不知道404错误和认证有什么关系，但是注意到我切换到镜像registry后，突然报E401而不是像官方registry那样报E404。

Answer 2

就我而言，通过在命令中添加@latest 解决了此类问题。

npm install -g @angular/cli@latest