fix: Reduced the number of redraws

Author: sjhoeksma

src/FeaturesControl.tsx

@@ -26,19 +26,15 @@ export function featureControl(config?: any) {
         .setPropertyViewFn((children: any) => (<></>))
         .build() {
 
+        orgView: any
         getView(): any {
             const p = super.getView()
-            var changed = false
-            Object.keys(p).forEach((k) => {
-                if (initConfig[k] != p[k]) {
-                    initConfig[k] = p[k]
-                    changed = true
-                }
-            })
+            var changed = JSON.stringify(p, null) != JSON.stringify(this.orgView, null)
             if (changed) {
-                return super.getView()
+                this.orgView = p
+                return p
             }
-            return initConfig
+            return this.orgView
         }
         propertyView(params: {
             title: string

src/GEOComp.tsx

@@ -255,7 +255,7 @@ var GEOComp = (function () {
         eventDefinitions.forEach((k) => { if (k.value == n || k.value == name) { eventName = k.value } })
         //Double switch will allow fine grained event catching
         switch (name) { //Catch first on name
-          case 'destroy':
+          case 'map:rebuild':
             props.events.onChange({})
             props.event.onChange({})
             props.feature.onChange({})