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Fix excessive rerendering of history charts (#8340)

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Co-authored-by: Bram Kragten <mail@bramkragten.nl>
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larena1 2021-02-24 17:48:50 +01:00 committed by GitHub
parent 782b941531
commit 0f574a765b
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1 changed files with 5 additions and 0 deletions
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5
src/components/state-history-charts.ts
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@ -6,6 +6,7 @@ import {
html,
LitElement,
property,
PropertyValues,
TemplateResult,
} from "lit-element";
import "./state-history-chart-line";
@ -83,6 +84,10 @@ class StateHistoryCharts extends LitElement {
`;
}
protected shouldUpdate(changedProps: PropertyValues): boolean {
return !(changedProps.size === 1 && changedProps.has("hass"));
}
private _isHistoryEmpty(): boolean {
const historyDataEmpty =
!this.historyData ||