feat(upgrade): need to depend on latest angular and rxjs

ex/app/shared/services/docs/docs.service.ts

@@ -1,6 +1,7 @@
 import { forwardRef, Inject, Injectable, LOCALE_ID } from '@angular/core'
-import { Http } from '@angular/http'
-import { Observable } from 'rxjs/Observable'
+import {Http, Response} from '@angular/http';
+import {Observable, throwError as observableThrowError, of} from 'rxjs';
+import {map, catchError} from 'rxjs/operators';
 import { environment } from '../../../../environments'
 
 @Injectable()
@@ -19,22 +20,37 @@ export class DocsService {
   }
 
   getCatalog(): Observable<any> {
-    return this.http.get(`${this.url}/catalog.json`)
-      .map(res => res.json())
+    return this.http.get(`${this.url}/catalog.json`).pipe(
+      catchError(err => this.handleResponseError(err)),
+      map((res: Response) => {
+        if (!res.text()) { return null; }
+        return res.json();
+      }));
   }
 
   getDocuments(documentType: string): Observable<any> {
-    return this.http.get(`${this.url}/${documentType}.json`)
-      .map(res => res.json())
+    return this.http.get(`${this.url}/${documentType}.json`).pipe(
+      catchError(err => this.handleResponseError(err)),
+      map((res: Response) => {
+        if (!res.text()) { return null; }
+        return res.json();
+      }));
   }
 
   getVersion(): Observable<any> {
-    return Observable.of(environment.version || '1.0.0')
+    return of(environment.version || '1.0.0')
   }
 
   getChangeLogs(): Observable<any> {
-    return this.http.get(`${this.url}/changelog.json`)
-      .map(res => res.json())
+    return this.http.get(`${this.url}/changelog.json`).pipe(
+      catchError(err => this.handleResponseError(err)),
+      map((res: Response) => {
+        if (!res.text()) { return null; }
+        return res.json();
+      }));
+  }
+
+  private handleResponseError(error: Response): Observable<never> {
+    return observableThrowError(error.json());
   }
-
 }

ex/docs/changelog.json

@@ -656,6 +656,14 @@
       }, {
         "description": "移除未使用的 HttpModule"
       }]
+    },
+    {
+      "version": "0.7.7",
+      "date": "2018-11-01",
+      "link": null,
+      "events": [{
+        "description": "更新angular4 到 angular7"
+      }]
     }
   ]
 }

ex/main.ts

@@ -1,7 +1,7 @@
 declare let __DEBUG__: any
 declare function require(string: string): string
 
-import { enableProdMode, TRANSLATIONS, TRANSLATIONS_FORMAT, LOCALE_ID } from '@angular/core'
+import { enableProdMode, TRANSLATIONS, TRANSLATIONS_FORMAT, LOCALE_ID, StaticProvider } from '@angular/core'
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'
 import { AppModule } from './app/app.module'
 const translations: string = require('./locale/messages.en-US.xlf')
@@ -10,7 +10,7 @@ const translations: string = require('./locale/messages.en-US.xlf')
 const LOCALE: string = (<any>window).localStorage.getItem('LOCALE') || 'zh-CN'
 
 const makeLocaleID = () => ({ provide: LOCALE_ID, useValue: LOCALE })
-const getProviders = (): Array<{}> => {
+const getProviders = (): Array<StaticProvider> => {
   if (LOCALE !== 'en-US') return [makeLocaleID()]
   return [
     { provide: TRANSLATIONS, useValue: translations },