fix: Ignore recorder when not required

Fix #169

.devcontainer/ui-lovelace.yaml

@@ -440,6 +440,9 @@ views:
                 unit: Mbits/s
                 min: 0
                 max: 1000
+                group_by:
+                  func: max
+                  duration: 30min
           - type: custom:apexcharts-card
             chart_type: pie
             header:

src/apexcharts-card.ts

@@ -384,6 +384,13 @@ class ChartsCard extends LitElement {
         }
         this._graphs = this._config.series.map((serie, index) => {
           serie.index = index;
+          serie.ignore_history = !!(
+            this._config?.chart_type &&
+            ['donut', 'pie', 'radialBar'].includes(this._config?.chart_type) &&
+            (!serie.group_by || serie.group_by?.func === 'raw') &&
+            !serie.data_generator &&
+            !serie.offset
+          );
           if (!this._headerColors[index]) {
             this._headerColors[index] = defColors[index % defColors.length];
           }

src/graphEntry.ts

@@ -183,6 +183,17 @@ export default class GraphEntry {
     }
     if (!this._entityState || this._updating) return false;
     this._updating = true;
+
+    if (this._config.ignore_history) {
+      let currentState: null | number | string = this._entityState.state;
+      if (this._config.transform) {
+        currentState = this._applyTransform(currentState, this._entityState);
+      }
+      this._computedHistory = [[new Date(this._entityState.last_updated).getTime(), Number(currentState)]];
+      this._updating = false;
+      return true;
+    }
+
     let history: EntityEntryCache | undefined = undefined;
 
     if (this._config.data_generator) {

src/types.ts

@@ -28,6 +28,7 @@ export interface ChartCardSeriesConfig extends ChartCardSeriesExternalConfig {
     start_with_last?: boolean;
   };
   show: ChartCardSeriesShowConfig;
+  ignore_history: boolean;
 }
 
 export interface ChartCardSeriesShowConfig extends ChartCardSeriesShowConfigExt {