[英]Production Build a Angular (4) project, with a separate individual file
[英]build angular 4 project for production
我正在从事angular 4项目。 当我运行“ ng build -prod -aot = false”来构建生产项目时,出现错误消息,如下所示:
时间:44075ms块{0} polyfills.d8674538798840c67825.bundle.js(polyfills)252 kB {5} [initial] [rendered]块{1} main.2d2d57386cb503360e3d.bundle.js(main)72 kB {4} [initial] [渲染]块{2}脚本.d0a13d2099c21c77943a.bundle.js(脚本)410 kB {5} [初始] [渲染]块{3} styles.aef7beffbbfb61f4f445.bundle.css(样式)175字节{5} [初始] [呈现]块{4} vendor.e29287b60dbca26b1047.bundle.js(供应商)3.43 MB [初始] [呈现]块{5}内联.6266454082b265a77bf0.bundle.js(内联)0字节[输入] [呈现]
“遇到错误时出现ERROR in静态地解析符号值。不支持函数调用。考虑使用对导出函数的引用替换函数或lambda(原始.ts文件中的位置66:27),解析C:/ Ashirama_workspace中的符号AppModule /angularproject/src/app/app.module.ts“
这是我的app.modu.ts文件:
import { NgModule } from '@angular/core';
import { FormsModule,ReactiveFormsModule } from '@angular/forms';
import {NgForm} from '@angular/forms';
import { Http, HttpModule } from '@angular/http';
import { HttpClientModule } from '@angular/common/http';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-
browser/animations';
import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { AuthGuard } from './shared/';
import {Guards}from './guards/guards';
import {AuthenticationService} from
"./services/authentification.service";
import {UserService} from "./services/user.service";
import {HttpService} from "./services/http.service";
import {LoginComponent} from './login/login.component';
import { AuthHttp, AuthConfig, AUTH_PROVIDERS, provideAuth } from
'angular2-jwt';
import {ToastModule} from 'ng2-toastr/ng2-toastr';
import { ToastrModule } from 'ngx-toastr';
import { AlertModule } from 'ngx-bootstrap/alert';
import { Ng2BootstrapModule } from 'ngx-bootstrap/ng2-bootstrap';
// AoT requires an exported function for factories
export function HttpLoaderFactory(http: Http) {
// for development
return new TranslateHttpLoader(http, '/assets/i18n/', '.json');
}
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
BrowserAnimationsModule,
FormsModule,
ReactiveFormsModule,
HttpModule,
HttpClientModule,
AppRoutingModule,
ToastModule.forRoot(),
ToastrModule.forRoot(),
AlertModule.forRoot(),
Ng2BootstrapModule,
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: HttpLoaderFactory,
deps: [Http]
}
})
],
providers: [
AuthGuard,
AuthenticationService,
UserService,
HttpService,
Guards,
AuthHttp,
provideAuth({
headerName: 'Authorization',
headerPrefix: 'Bearer',
tokenName: 'id_token',
tokenGetter: (() => localStorage.getItem('id_token')),
globalHeaders: [{ 'Content-Type': 'application/json' }],
noJwtError: true
})
],
bootstrap: [AppComponent]
})
export class AppModule {
}
请让我知道我做错了,谢谢
好像摇树没有正确进行。 它在angular cli 1.4.x中已解决,但是如果您使用的是以前版本的angular cli,则可以添加反射元数据并尝试再次构建。
npm install -save reflect-metadata
您必须将lambda函数() => something
转换为导出函数,例如
export function doSomething() {
....
}
有关更多详细说明,请参见此Github帖子 。
编辑:
在您的情况下,您必须使用工厂方法替换provideAuth
和AuthHttp
:
export function getAuthHttp(http) {
return new AuthHttp(new AuthConfig({
headerName: 'Authorization',
headerPrefix: 'Bearer',
tokenName: 'id_token',
tokenGetter: (() => localStorage.getItem('id_token')),
globalHeaders: [{ 'Content-Type': 'application/json' }],
noJwtError: true
}), http);
}
接着
providers: [
{
provide: AuthHttp,
useFactory: getAuthHttp,
deps: [Http]
},
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