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[Maps] ensure resiveChecker exists before calling destroy (#30032)

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Nathan Reese 2019-02-04 22:02:53 -07:00 • committed by GitHub
parent 9b1e2d454f
commit de2d0b647c
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1 changed files with 7 additions and 1 deletions
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8
x-pack/plugins/maps/public/components/map/mb/view.js
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@ -53,7 +53,9 @@ export class MBMapContainer extends React.Component {
componentWillUnmount() {
this._isMounted = false;
this._checker.destroy();
if (this._checker) {
this._checker.destroy();
}
if (this._mbMap) {
this._mbMap.remove();
this._mbMap = null;
@ -65,6 +67,10 @@ export class MBMapContainer extends React.Component {
this._mbMap = await createMbMapInstance(this.refs.mapContainer, this.props.goto ? this.props.goto.center : null);
if (!this._isMounted) {
return;
}
// Override mapboxgl.Map "on" and "removeLayer" methods so we can track layer listeners
// Tracked layer listerners are used to clean up event handlers
const originalMbBoxOnFunc = this._mbMap.on;