Angular2/Angular-cli：将本地项目更新到 Angular 4 时出现问题

Question

我正在尝试将 angular-cli/angular 2 项目更新为 Angular 4 我用所有必需的 angular4 模块更新了我的 package.json 并且一切似乎都很顺利直到我运行应用程序。当我运行应用程序时，出现以下错误：

错误：

无法读取未定义的属性 "provide"。

我已经尝试了我能想到的一切：我删除了 node_modules 并使用 npm install 重新安装，但仍然出现相同的错误...知道可能出了什么问题 here/what 我可以尝试解决这个问题吗？我正在使用 angular-cli 1.0.0.rc-1

我的package.json:

{
  "name": "Retail-Mobile",
  "version": "0.0.0",
  "license": "MIT",
  "scripts": {
    "ng": "ng",
    "start": "ng serve --proxy-config proxy.conf.json",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^4.0.0",
    "@angular/common": "^4.0.0",
    "@angular/compiler": "^4.0.0",
    "@angular/compiler-cli": "^4.0.0",
    "@angular/core": "^4.0.0",
    "@angular/forms": "^4.0.0",
    "@angular/http": "^4.0.0",
    "@angular/platform-browser": "^4.0.0",
    "@angular/platform-browser-dynamic": "^4.0.0",
    "@angular/platform-server": "^4.0.0",
    "@angular/router": "^4.0.0",
    "core-js": "^2.4.1",
    "moment": "^2.17.1",
    "ng2-toastr": "^4.0.1",
    "rxjs": "^5.1.0",
    "typescript": "^2.2.1",
    "zone.js": "^0.8.5"
  },
  "devDependencies": {
    "@angular/cli": "1.0.0-rc.2",
    "@types/jasmine": "2.5.38",
    "@types/node": "~6.0.60",
    "bootstrap": "3.3.7",
    "codelyzer": "~2.0.0",
    "jasmine-core": "~2.5.2",
    "jasmine-spec-reporter": "~3.2.0",
    "jquery": "3.1.1",
    "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"
  }
}

Answer 1

原来问题出在我忘记添加 ;在 ng2-toastr import 语句的末尾......我很惊讶 angular-cli 给了我一个如此模糊的无用错误......

Angular2/Angular-cli：将本地项目更新到 Angular 4 时出现问题

Angular2/Angular-cli: issues updating local project to Angular 4

angular

angular-cli

angular4