Merge pull request #894 from martinRenou/missing_super_default

Missing call to super.default

Author: martinRenou

js/src/controls/SearchControl.js

@@ -8,6 +8,7 @@ const control = require('./Control.js');
 export class LeafletSearchControlModel extends control.LeafletControlModel {
   defaults(){
     return{
+      ...super.defaults(),
       _view_name: 'LeafletSearchControlView',
       _model_name: 'LeafletSearchControlModel',
       url: null,

js/src/layers/ImageOverlay.js

@@ -9,6 +9,7 @@ const DEFAULT_LOCATION = [0.0, 0.0];
 export class LeafletImageOverlayModel extends rasterlayer.LeafletRasterLayerModel {
   defaults() {
     return {
+      ...super.defaults(),
       _view_name: 'LeafletImageOverlayView',
       _model_name: 'LeafletImageOverlayModel',
       url: '',

js/src/layers/LayerGroup.js

@@ -8,6 +8,7 @@ const layer = require('./Layer.js');
 export class LeafletLayerGroupModel extends layer.LeafletLayerModel {
   defaults() {
     return {
+      ...super.defaults(),
       _view_name: 'LeafletLayerGroupView',
       _model_name: 'LeafletLayerGroupModel',
       layers: []