fix initial echart update

zauberzeug · Nov 22, 2023 · 1f94f24 · 1f94f24
1 parent 483d5f2
commit 1f94f24
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nicegui/elements/echart.js b/nicegui/elements/echart.js
@@ -17,7 +17,7 @@ export default {
   methods: {
     update_chart() {
       convertDynamicProperties(this.options, true);
-      this.chart.setOption(this.options, { notMerge: this.chart.options.series.length != this.options.series.length });
+      this.chart.setOption(this.options, { notMerge: this.chart.options?.series.length != this.options.series.length });
     },
   },
   props: {