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社区首页 >问答首页 >Angular4 angularfire2

问Angular4 angularfire2
EN

Stack Overflow用户
提问于 2017-12-20 05:15:35
回答 2查看 465关注 0票数 3

我在一个项目angular4上，由于遇到了关于angularfire2的这个错误，我不能进行编译。有人能帮帮我吗？

代码语言：javascript
复制
ERROR in node_modules/angularfire2/firebase.app.module.d.ts(5,45): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(8,17): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(9,21): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(10,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(11,20): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(13,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(8,43): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(9,46): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(9,80): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,49): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,95): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,140): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,182): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(11,49): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(11,94): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(11,130): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(8,54): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(8,96): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(10,19): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(12,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(12,69): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(13,27): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(14,25): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(15,30): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(16,27): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(17,27): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(8,10): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(9,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(10,28): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(14,42): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/firestore.d.ts(9,55): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/firestore.d.ts(12,25): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(4,11): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(5,14): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(14,37): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(14,80): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(16,10): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(17,12): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(6,41): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(6,80): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(7,41): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(7,98): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(8,48): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(8,93): error TS2503: Cannot find namespace 'firebase'.

ERROR in node_modules/angularfire2/firebase.app.module.d.ts(5,45): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(8,17): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(9,21): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(10,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(11,20): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firebase.app.module.d.ts(13,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(8,43): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(9,46): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(9,80): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,49): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,95): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,140): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(10,182): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(11,49): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(11,94): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/changes.d.ts(11,130): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(8,54): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(8,96): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(10,19): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(12,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(12,69): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(13,27): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(14,25): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(15,30): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(16,27): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/collection/collection.d.ts(17,27): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(8,10): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(9,22): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(10,28): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/document/document.d.ts(14,42): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/firestore.d.ts(9,55): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/firestore.d.ts(12,25): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(4,11): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(5,14): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(14,37): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(14,80): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(16,10): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/interfaces.d.ts(17,12): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(6,41): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(6,80): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(7,41): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(7,98): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(8,48): error TS2503: Cannot find namespace 'firebase'.
node_modules/angularfire2/firestore/observable/fromRef.d.ts(8,93): error TS2503: Cannot find namespace 'firebase'.
angular
EN

回答 2

Stack Overflow用户

发布于 2017-12-23 23:35:55

如果您的版本为4.8.1，请返回到firebase 4.8.0：

  1. 在package.json中，从“firebase”中删除^："^4.8.1“。然后将Firebase从4.8.1降级到4.8.0，将4.8.1更改为4.8.0。最终结果应该如下所示："firebase"：“4.8.0”。
  2. 在项目根目录中运行npm update。NPM会为你降级Firebase。
  3. 运行ng serve --open检查编译错误。不应该有any.
  4. Enjoy!
票数 6
EN

Stack Overflow用户

发布于 2018-03-24 20:15:03

要使用angular 4安装angularfire2：

  1. npm安装angularfire2 firebase --保存
  2. 将以下代码复制到environment.ts文件

代码语言：javascript
复制
export const environment = {
production: false,
firebase: {
apiKey: 'xxx',
authDomain: 'xxx.firebaseapp.com',
databaseURL: 'https://xxx.firebaseio.com',
projectId: 'xxx',
storageBucket: 'xxx.appspot.com',
messagingSenderId: 'xxx'
}
};

  1. 从angularfire2和环境导入AngularFireModule、AngularFireDatabaseModule和AngularFireAuthModule以获取Firebase设置。

代码语言：javascript
复制
import { AngularFireModule } from 'angularfire2';
import { AngularFireDatabaseModule } from 'angularfire2/database';
import { AngularFireAuthModule } from 'angularfire2/auth';
import { environment } from 'environments/environment';

然后，

  1. 在NgModule中添加模块。可以使用‘initialiazeApp’

自定义您的Firebase名称

代码语言：javascript
复制
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
AngularFireModule.initializeApp(environment.firebase, 'letslearn-dev'),
AngularFireDatabaseModule,
AngularFireAuthModule
],
bootstrap: [AppComponent]
})
export class AppModule { }

创建用于管理authentication的

  1. AuthService

代码语言：javascript
复制
import { AngularFireAuth } from 'angularfire2/auth';
import * as firebase from 'firebase/app';
import { Observable } from 'rxjs/Observable';
export class AuthService {
private authState: Observable<firebase.User>
private currentUser: firebase.User = null;
constructor(public afAuth: AngularFireAuth) {
this.authState = this.afAuth.authState;
this.authState.subscribe(user => {
  if (user) {
    this.currentUser = user;
  } else {
    this.currentUser = null;
  }
});
}
getAuthState() {
return this.authState;
}
}

  1. 在应用程序组件中插入Firebase身份验证服务。

代码语言：javascript
复制
import { AuthService } from './shared/auth.service';
export class AppComponent implements OnInit {
user = null;
constructor(
private auth: AuthService) { }
ngOnInit() {
this.auth.getAuthState().subscribe(
  (user) => this.user = user);
}
}

希望这能解决你的问题。

票数 1
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/47895292

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