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Use duck-typing for recursing into layer groups #1

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Jun 13, 2021
Merged

Use duck-typing for recursing into layer groups #1

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4 changes: 2 additions & 2 deletions src/olgm/herald/Layers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -270,7 +270,7 @@ class LayersHerald extends Herald {
} else if (layer instanceof ImageLayer &&
this.watchOptions_.image !== false) {
this.imageWMSSourceHerald_.watchLayer(layer);
} else if (layer instanceof LayerGroup) {
} else if (layer instanceof LayerGroup || typeof layer.getLayers === 'function') {
layer.getLayers().forEach(lyr => this.watchLayer_(lyr));
}
}
Expand Down Expand Up @@ -304,7 +304,7 @@ class LayersHerald extends Herald {
this.tileSourceHerald_.unwatchLayer(layer);
} else if (layer instanceof ImageLayer) {
this.imageWMSSourceHerald_.unwatchLayer(layer);
} else if (layer instanceof LayerGroup) {
} else if (layer instanceof LayerGroup || typeof layer.getLayers === 'function') {
layer.getLayers().forEach(layer => this.unwatchLayer_(layer));
}
}
Expand Down