fix: fixes #22

Author: jscharett

projects/ngx-json-schema-form/src/lib/core/services/widget-library.service.ts

@@ -6,15 +6,15 @@ import { AbstractWidget } from '../widget/widget';
 const widgets: Map<string, typeof AbstractWidget> = new Map<string, typeof AbstractWidget>();
 
 /** Internal method for registering a widget with the widget library */
-export const register = (component: typeof AbstractWidget, types: Array<string>): void => {
+export function register(component: typeof AbstractWidget, types: Array<string>): void {
     types.forEach((type: string) => {
         if (widgets.has(type)) {
             console.error(`Widget type "${type}" already exists.  Ignoring.`, component);
         } else {
             widgets.set(type, component);
         }
     });
-};
+}
 
 /**
  * Provides services for mapping a widget component to a layoutNode type

projects/ngx-json-schema-form/src/lib/form/form.module.ts

@@ -7,8 +7,6 @@ import { JsonSchemaFormComponent } from './json-schema-form.component';
 @NgModule({
     declarations: [ JsonSchemaFormComponent ],
     exports: [ JsonSchemaFormComponent ],
-    imports: [
-        CommonModule, SelectWidgetModule
-    ]
+    imports: [ CommonModule, SelectWidgetModule ]
 })
 export class FormModule { }