Add charts to dashboard view

UI/Base/ChartJs.ts

@@ -0,0 +1,24 @@
+import BaseUIElement from "../BaseUIElement";
+import {Chart, ChartConfiguration, ChartType, DefaultDataPoint, registerables} from 'chart.js';
+Chart.register(...registerables);
+
+
+export default class ChartJs<
+    TType extends ChartType = ChartType,
+    TData = DefaultDataPoint<TType>,
+    TLabel = unknown
+    > extends BaseUIElement{
+    private readonly _config: ChartConfiguration<TType, TData, TLabel>;
+    
+    constructor(config: ChartConfiguration<TType, TData, TLabel>) {
+        super();
+        this._config = config;
+    }
+    
+    protected InnerConstructElement(): HTMLElement {
+        const canvas = document.createElement("canvas");
+        new Chart(canvas, this._config);
+        return canvas;
+    }
+    
+}

UI/Base/Combine.ts

@@ -38,6 +38,9 @@ export default class Combine extends BaseUIElement {
     protected InnerConstructElement(): HTMLElement {
         const el = document.createElement("span")
         try {
+            if(this.uiElements === undefined){
+                console.error("PANIC")   
+            }
             for (const subEl of this.uiElements) {
                 if (subEl === undefined || subEl === null) {
                     continue;

UI/Base/VariableUIElement.ts

@@ -33,6 +33,7 @@ export class VariableUiElement extends BaseUIElement {
             if (self.isDestroyed) {
                 return true;
             }
+           
             while (el.firstChild) {
                 el.removeChild(el.lastChild);
             }