set default value for constructor config

Author: oberhamsi

src/ts/components/Icon.ts

@@ -2,7 +2,7 @@ import { Component, ComponentConfig } from './Component';
 import { DOM } from '../DOM';
 
 export class Icon extends Component<ComponentConfig> {
-  constructor(config: ComponentConfig) {
+  constructor(config: ComponentConfig = {}) {
     super(config);
 
     this.config = this.mergeConfig(

src/ts/components/buttons/Button.ts

@@ -102,7 +102,7 @@ export class Button<Config extends ButtonConfig> extends Component<Config> {
     const buttonElement = new DOM('button', buttonElementAttributes, this);
 
     const addIconElement = () => {
-      const icon = new Icon({});
+      const icon = new Icon();
       buttonElement.append(icon.getDomElement());
     };
 

src/ts/components/labels/Label.ts

@@ -106,7 +106,7 @@ export class Label<Config extends LabelConfig> extends Component<Config> {
     });
 
     if (this.config.labelStyle !== LabelStyle.Text) {
-      const icon = new Icon({});
+      const icon = new Icon();
       switch (this.config.labelStyle) {
         case LabelStyle.TextWithTrailingIcon:
           wrapperElement.append(icon.getDomElement());