未找到模块:错误:Can';t解决'@角度/普通';在'/主/用户/节点_模块/angularfire2 问题
我在运行<代码>爱奥尼亚服务时遇到此错误未找到模块:错误:Can';t解决'@角度/普通';在'/主/用户/节点_模块/angularfire2 问题,angular,firebase,ionic-framework,angularfire2,Angular,Firebase,Ionic Framework,Angularfire2,我在运行爱奥尼亚服务时遇到此错误 [ng] WARNING in /home/brian/node_modules/@angular/core/@angular/core.es5.js [ng] 5659:15-36 Critical dependency: the request of a dependency is an expression [ng] WARNING in /home/brian/node_modules/@angular/core/@angular/core.es5.js
[ng] WARNING in /home/brian/node_modules/@angular/core/@angular/core.es5.js
[ng] 5659:15-36 Critical dependency: the request of a dependency is an expression
[ng] WARNING in /home/brian/node_modules/@angular/core/@angular/core.es5.js
[ng] 5675:15-102 Critical dependency: the request of a dependency is an expression
[ng] ERROR in /home/brian/node_modules/angularfire2/angularfire2.js
[ng] Module not found: Error: Can't resolve '@angular/common' in '/home/brian/node_modules/angularfire2'
[ng] ERROR in /home/brian/node_modules/rxjs-compat/_esm5/Observable.js
[ng] Module not found: Error: Can't resolve 'rxjs/internal/Observable' in '/home/brian/node_modules/rxjs-compat/_esm5'
[ng] ℹ 「wdm」: Failed to compile.
版本
我正在使用此版本:-Linux Mint 18肉桂64位
-离子4.1.2
-npm 6.4.1
-节点v8.12.0 这是我的package.json文件:
{
"name": "bin",
"version": "1.0.0",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"description": "",
"dependencies": {
"@angular/core": "^4.4.6",
"angular": "^1.7.0",
"angularfire2": "^5.0.0-rc.9",
"firebase": "^5.0.3",
"npm": "^6.4.1",
"rxjs": "^5.5.12",
"rxjs-compat": "^6.3.2",
"typescript": "^2.4.0"
}
}
如何重现这个问题
这是一个非常简单的代码,我刚刚创建了一个新的ionic项目ionic start fleksales侧菜单
然后在app.module.ts下,我将代码编辑为如下:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { RouterModule, RouteReuseStrategy, Routes } from '@angular/router';
import { IonicModule, IonicRouteStrategy } from '@ionic/angular';
import { SplashScreen } from '@ionic-native/splash-screen/ngx';
import { StatusBar } from '@ionic-native/status-bar/ngx';
import { AngularFireModule } from 'angularfire2';
import { FIREBASE_CREDENTIALS } from './firebase.credentials';
import { AppComponent } from './app.component';
import { AppRoutingModule } from './app-routing.module';
@NgModule({
declarations: [AppComponent],
entryComponents: [],
imports: [
BrowserModule,
IonicModule.forRoot(),
AppRoutingModule,
// initialize AngularFire
AngularFireModule.initializeApp(FIREBASE_CREDENTIALS)
],
providers: [
StatusBar,
SplashScreen,
{ provide: RouteReuseStrategy, useClass: IonicRouteStrategy }
],
bootstrap: [AppComponent]
})
export class AppModule {}
你知道如何解决这个问题吗?任何帮助都将不胜感激。谢谢大家! 显然,
“angularfire2”:“^5.0.0-rc.9”
仅适用于AngularFire5。你可能需要升级到Angular 5+阅读这里的评论:Hi@SiddAjmera谢谢你的回复。我通过运行以下命令升级了angularfire2:npm install firebase@angular/fire--save
。现在是“@angular/fire”:“^5.0.2”
和“firebase”:“^5.5.1”
。但是错误仍然完全相同,我还将导入{AngularFireModule}从'angularfire2'更改为import代码>到从'@angular/fire'导入{AngularFireModule}代码>在app.module.ts下。但错误仍然存在。请仔细阅读我的评论。就像我提到的,问题不在于AngularFire2的版本。这是Angular的版本。您使用的是Angular 4.4.6,但它需要Angular 5+,感谢@SiddAjmera的澄清。很抱歉问这么简单的问题,但是如何将Angular 4.4.6升级到Angular 5+?我已经运行了npm安装-g@angular/cli
,它返回+@angular/cli@6.2.3
。但是当我打开package.json时,它仍然是“@angular/core”:“^4.4.6”