Fix issue swimlane#1296 npm run build --prod (swimlane#1410)

* Fix issue swimlane#1296 npm run build --prod

* fix: setted the correct type of @input footerTemplate

Author: stefanosalad

src/components/body/body-row-wrapper.component.ts

@@ -103,7 +103,7 @@ export class DataTableRowWrapperComponent implements DoCheck {
     this.rowContextmenu.emit({ event: $event, row: this.row });
   }
 
-  getGroupHeaderStyle(group: any): any {
+  getGroupHeaderStyle(): any {
     const styles = {};
 
     styles['transform'] = 'translate3d(' + this.offsetX + 'px, 0px, 0px)';

src/components/footer/footer.component.ts

@@ -1,5 +1,5 @@
 import { Component, Output, EventEmitter, ChangeDetectionStrategy, Input, TemplateRef } from '@angular/core';
-
+import { DatatableFooterDirective } from './footer.directive';
 @Component({
   selector: 'datatable-footer',
   template: `
@@ -53,7 +53,7 @@ export class DataTableFooterComponent {
   @Input() pagerPreviousIcon: string;
   @Input() pagerNextIcon: string;
   @Input() totalMessage: string;
-  @Input() footerTemplate: TemplateRef<any>;
+  @Input() footerTemplate: DatatableFooterDirective;
 
   @Input() selectedCount: number = 0;
   @Input() selectedMessage: string | boolean;