diff --git a/ng2-components/ng2-alfresco-viewer/src/notSupportedFormat.component.ts b/ng2-components/ng2-alfresco-viewer/src/notSupportedFormat.component.ts
index eaf4eabfeb..4c83441c68 100644
--- a/ng2-components/ng2-alfresco-viewer/src/notSupportedFormat.component.ts
+++ b/ng2-components/ng2-alfresco-viewer/src/notSupportedFormat.component.ts
@@ -36,7 +36,7 @@ export class NotSupportedFormat {
     /**
      * Download file opening it in a new window
      */
-    private download() {
+    download() {
         window.open(this.urlFile);
     }
 }
diff --git a/ng2-components/ng2-alfresco-viewer/src/pdfViewer.component.ts b/ng2-components/ng2-alfresco-viewer/src/pdfViewer.component.ts
index 1d66123e82..78e7e86abb 100644
--- a/ng2-components/ng2-alfresco-viewer/src/pdfViewer.component.ts
+++ b/ng2-components/ng2-alfresco-viewer/src/pdfViewer.component.ts
@@ -244,9 +244,9 @@ export class PdfViewerComponent {
     @HostListener('document:keydown', ['$event'])
     handleKeyboardEvent(event: KeyboardEvent) {
         let key = event.keyCode;
-        if (key === 39) { //right arrow
+        if (key === 39) {  // right arrow
             this.nextPage();
-        } else if (key === 37) {//left arrow
+        } else if (key === 37) { // left arrow
             this.previousPage();
         }
     }
diff --git a/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts b/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts
index 2e176ac12d..63dc15917d 100644
--- a/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts
+++ b/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts
@@ -151,7 +151,7 @@ export class ViewerComponent {
      *
      * @returns {boolean}
      */
-    private supportedExtension() {
+    supportedExtension() {
         return this.isImage() || this.isPdf();
     }
 
@@ -162,7 +162,7 @@ export class ViewerComponent {
     @HostListener('document:keydown', ['$event'])
     handleKeyboardEvent(event: KeyboardEvent) {
         let key = event.keyCode;
-        if (key === 27) { //esc
+        if (key === 27) { // esc
             this.close();
         }
     }
diff --git a/ng2-components/ng2-alfresco-viewer/tsconfig.json b/ng2-components/ng2-alfresco-viewer/tsconfig.json
index 209df29f98..39deca0930 100644
--- a/ng2-components/ng2-alfresco-viewer/tsconfig.json
+++ b/ng2-components/ng2-alfresco-viewer/tsconfig.json
@@ -8,11 +8,20 @@
         "sourceMap": true,
         "removeComments": true,
         "declaration": true,
+        "noLib": false,
+        "allowUnreachableCode": false,
+        "allowUnusedLabels": false,
+        "noImplicitAny": false,
+        "noImplicitReturns": false,
+        "noImplicitUseStrict": false,
+        "noFallthroughCasesInSwitch": true,
         "outDir": "dist"
     },
     "exclude": [
         "demo",
         "node_modules",
+        "typings/main",
+        "typings/main.d.ts",
         "dist"
     ]
 }