fix(TranslateService): update to Angular 2 beta 0 and avoid Expressio…

…nChangedAfterItHasBeenCheckedEx

package.json

@@ -26,17 +26,16 @@
   "typings": "./ng2-translate.d.ts",
   "homepage": "https://github.com/ocombe/ng2-translate",
   "dependencies": {
-    "angular2": "2.0.0-alpha.53",
+    "angular2": "~2.0.0-beta.0",
     "es6-promise": "^3.0.2",
     "es6-shim": "^0.33.3",
     "reflect-metadata": "0.1.2",
-    "rxjs": "5.0.0-alpha.14",
-    "zone.js": "0.5.8"
+    "rxjs": "5.0.0-beta.0",
+    "zone.js": "~0.5.10"
   },
   "devDependencies": {
     "commitizen": "~2.4.6",
     "cz-conventional-changelog": "~1.1.4",
-    "es6-shim": "~0.33.13",
     "jasmine-core": "~2.3.4",
     "karma": "~0.13.15",
     "karma-chrome-launcher": "~0.2.2",

src/translate.service.ts

@@ -65,6 +65,7 @@ export class TranslateService {
     private pending: any;
     private translations: any = {};
     private defaultLang: string = 'en';
+    private langs: Array<string>;
     private parser: Parser = new Parser();
 
     constructor(private http: Http) {
@@ -119,6 +120,7 @@ export class TranslateService {
 
         this.pending.subscribe((res: Object) => {
             this.translations[lang] = res;
+            this.updateLangs();
             this.pending = undefined;
         });
 
@@ -132,14 +134,22 @@ export class TranslateService {
      */
     public setTranslation(lang: string, translations: Object) {
         this.translations[lang] = translations;
+        this.updateLangs();
     }
 
     /**
      * Returns an array of currently available langs
      * @returns {any}
      */
     public getLangs() {
-        return Object.keys(this.translations);
+        return this.langs;
+    }
+
+    /**
+     * Update the list of available langs
+     */
+    private updateLangs() {
+        this.langs = Object.keys(this.translations);
     }
 
     /**
@@ -166,6 +176,7 @@ export class TranslateService {
      */
     public set(key: string, value: string, lang: string = this.currentLang) {
         this.translations[lang][key] = value;
+        this.updateLangs();
     }
 
     private changeLang(lang: string) {

tsconfig.json

@@ -6,8 +6,12 @@
         "emitDecoratorMetadata": true,
         "experimentalDecorators": true,
         "sourceMap": true,
-        "declaration": true
+        "declaration": true,
+        "moduleResolution": "node"
     },
+    "files": [
+        "ng2-translate.ts"
+    ],
     "exclude": [
         "node_modules"
     ]