feat(component): adjust dependencies for Angular 6 support

BREAKING CHANGE:
The peer dependency for `@angular/core` has been bumped to `^6.0.0`

demo/src/app/examples/preload-api/preload-api-demo.module.ts

@@ -2,8 +2,7 @@ import { Injectable, NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
-import { BehaviorSubject } from 'rxjs/BehaviorSubject';
-import { Observable } from 'rxjs/Observable';
+import { BehaviorSubject, Observable } from 'rxjs';
 
 import { RecaptchaLoaderService, RecaptchaModule } from 'ng-recaptcha';
 

package.json

@@ -39,29 +39,29 @@
     "@types/grecaptcha": "^2.0.33"
   },
   "peerDependencies": {
-    "@angular/core": "^4.0.0 || ^5.0.0-beta.1"
+    "@angular/core": "^6.0.0"
   },
   "devDependencies": {
-    "@angular/common": "^4.0.0",
-    "@angular/compiler": "^4.0.0",
-    "@angular/compiler-cli": "^4.0.0",
-    "@angular/core": "^4.0.0",
-    "@angular/forms": "^4.0.0",
-    "@angular/platform-browser": "^4.0.0",
+    "@angular/common": "^6.0.0",
+    "@angular/compiler": "^6.0.0",
+    "@angular/compiler-cli": "^6.0.0",
+    "@angular/core": "^6.0.0",
+    "@angular/forms": "^6.0.0",
+    "@angular/platform-browser": "^6.0.0",
     "@types/core-js": "^0.9.39",
     "angular-precommit": "^1.0.3",
-    "codelyzer": "^3.0.1",
+    "codelyzer": "^4.3.0",
     "conventional-changelog-cli": "^1.3.1",
     "conventional-github-releaser": "^1.1.13",
     "del-cli": "^0.2.1",
     "gh-pages": "^0.12.0",
     "husky": "^0.13.3",
     "npm-run-all": "^4.1.2",
     "replace-in-file": "^3.0.0-beta.2",
-    "rxjs": "^5.2.0",
+    "rxjs": "^6.1.0",
     "tslint": "~5.7.0",
-    "typescript": "^2.2.1",
-    "zone.js": "^0.8.5"
+    "typescript": "~2.7.2",
+    "zone.js": "^0.8.26"
   },
   "homepage": "https://github.com/DethAriel/ng-recaptcha#readme"
 }

recaptcha/recaptcha-loader.service.ts

@@ -6,9 +6,7 @@ import {
   Optional,
   PLATFORM_ID,
 } from '@angular/core';
-import { BehaviorSubject } from 'rxjs/BehaviorSubject';
-import { Observable } from 'rxjs/Observable';
-import { of } from 'rxjs/observable/of';
+import { BehaviorSubject, Observable, of } from 'rxjs';
 
 export const RECAPTCHA_LANGUAGE = new InjectionToken<string>('recaptcha-language');
 

recaptcha/recaptcha.component.ts

@@ -11,7 +11,7 @@ import {
   Optional,
   Output,
 } from '@angular/core';
-import { Subscription } from 'rxjs/Subscription';
+import { Subscription } from 'rxjs';
 
 import { RecaptchaLoaderService } from './recaptcha-loader.service';
 import { RECAPTCHA_SETTINGS, RecaptchaSettings } from './recaptcha-settings';