Almost there

webapp/src/ClimateChart.ts

@@ -1,4 +1,5 @@
-import Chart, {ChartPoint} from "chart.js";
+//@ts-ignore
+import Chart, {ChartPoint} from "chart.js/dist/Chart.bundle.min";
 import {generateClimateChartConfig} from "./climateChartConfig";
 
 interface Snapshot {
@@ -14,7 +15,6 @@ interface SnapshotRecords {
 }
 
 class ClimateChart {
-    private readonly urlEndpoint: string;
     private chart: Chart | null;
     private latestSnapshot: Snapshot | null;
     private onLoadedCallback: () => void = () => {};
@@ -29,8 +29,6 @@ class ClimateChart {
         } else {
             throw new Error(`invalid minutes passed to display in chart: ${minutesDisplayed}`);
         }
-        this.urlEndpoint = this.rootUrl + "data/";
-        this.urlEndpoint += "since/" + this.minutesDisplayed;
         this.initChart().catch((e) => {this.onErrorCallback(e);});
     }
 
@@ -48,7 +46,7 @@ class ClimateChart {
 
     private async getInitialDataBlob(): Promise<SnapshotRecords> {
         try {
-            const data = await fetch(this.urlEndpoint);
+            const data = await fetch(this.rootUrl + "/data?since" + (new Date().getTime() - this.minutesDisplayed * 60 * 1000));
             return await data.json();
         }
         catch (e) {