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Guard for contentWindow == null (#930)

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Paulus Schoutsen 2018-02-26 11:44:15 -08:00 committed by GitHub
parent ff658c86ff
commit 9f3458fcd1
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1 changed files with 1 additions and 1 deletions
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panels/hassio/ha-panel-hassio.html
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@ -54,7 +54,7 @@ class HaPanelHassio extends
} }
_updateProperties(data) { _updateProperties(data) {
const setProperties = this.$.iframe.contentWindow.setProperties; const setProperties = this.$.iframe.contentWindow && this.$.iframe.contentWindow.setProperties;
// Delay calling setProperties until iframe loaded // Delay calling setProperties until iframe loaded
if (!setProperties) { if (!setProperties) {