Update to Angular6 and use CLI to build the library

.travis.yml

@@ -1,6 +1,7 @@
 language: node_js
 sudo: false
 node_js:
+  - 8
   - 7
   - 6
 script:
@@ -13,4 +14,4 @@ before_install:
 
 before_script:
   - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
+  - sh -e /etc/init.d/xvfb start

angular.json

@@ -0,0 +1,44 @@
+{
+  "$schema": "./node_modules/@angular-devkit/core/src/workspace/workspace-schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "projects": {
+    "ngx-mqtt": {
+      "root": "projects/ngx-mqtt",
+      "projectType": "library",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-ng-packagr:build",
+          "options": {
+            "project": "projects/ngx-mqtt/ng-package.json"
+          },
+          "configurations": {
+            "production": {
+              "project": "projects/ngx-mqtt/ng-package.prod.json"
+            }
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "projects/ngx-mqtt/src/test.ts",
+            "tsConfig": "projects/ngx-mqtt/tsconfig.spec.json",
+            "karmaConfig": "projects/ngx-mqtt/karma.conf.js"
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "projects/ngx-mqtt/tsconfig.lint.json",
+              "projects/ngx-mqtt/tsconfig.spec.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
+          }
+        }
+      }
+    }
+  }
+}

dist/ngx-mqtt/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "ngx-mqtt",
+  "version": "6.0.0",
+  "dependencies": {
+    "mqtt": "2.17.0",
+    "tslib": "^1.9.0"
+  },
+  "peerDependencies": {
+    "@angular/core": "^6.0.0-rc.0 || ^6.0.0",
+    "rxjs": "^6.0.0-rc.0 || ^6.0.0",
+    "handlebars": "^4.0.11"
+  },
+  "main": "bundles/ngx-mqtt.umd.js",
+  "module": "esm5/ngx-mqtt.js",
+  "es2015": "esm2015/ngx-mqtt.js",
+  "typings": "ngx-mqtt.d.ts",
+  "metadata": "ngx-mqtt.metadata.json"
+}