thomas/lovelace-auto-entities
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Minimize number of rebuilds

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Thomas Lovén 2019-02-11 21:52:23 +01:00
parent 4c38074f48
commit b86cf34492
1 changed files with 21 additions and 4 deletions
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25
auto-entities.js
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@ -174,17 +174,34 @@ class AutoEntities extends cardTools.litElement() {
} }
} }
_compare_arrays(a,b) {
if(a === b) return true;
if(a == null || b == null) return false;
if(a.length != b.length) return false;
for(var i = 0; i < a.length; i++) {
if(a[i] !== b[i]) {
return false;
}
}
return true;
}
set hass(hass) { set hass(hass) {
this._hass = hass; this._hass = hass;
this.get_data(hass).then(() => { this.get_data(hass).then(() => {
const oldlen = this.entities.length;
this.entities = this.get_entities() || [];
if(this.card) if(this.card)
{ {
this.card.hass = this._hass; this.card.hass = this._hass;
this.card.setConfig({entities: this.entities, ...this._config.card});
} }
if(this.entities.length != oldlen) this.requestUpdate();
const oldEntities = this.entities.map((e) => e.entity);
this.entities = this.get_entities() || [];
const newEntities = this.entities.map((e) => e.entity);
if(!this._compare_arrays(oldEntities, newEntities)) {
this.card.setConfig({entities: this.entities, ...this._config.card});
this.requestUpdate();
}
}); });
} }