remove injected script and style tags when map is destroyed

dtsagile · Nov 22, 2017 · 2bd4f65 · 2bd4f65
1 parent d454103
commit 2bd4f65
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diff --git a/src/Request.js b/src/Request.js
@@ -187,6 +187,7 @@ export function jsonp (url, params, callback, context) {
   script.type = 'text/javascript';
   script.src = url + '?' + serialize(params);
   script.id = callbackId;
+  script.classList.add('esri-leaflet-jsonp-script');
 
   callbacks++;
 

diff --git a/src/Util.js b/src/Util.js
@@ -196,6 +196,19 @@ export function setEsriAttribution (map) {
     map.on('resize', function (e) {
       map.attributionControl._container.style.maxWidth = calcAttributionWidth(e.target);
     });
+    // remove injected scripts and style tags
+    map.on('unload', function () {
+      if (hoverAttributionStyle && hoverAttributionStyle.remove) {
+        hoverAttributionStyle.remove();
+      }
+      if (attributionStyle && attributionStyle.remove) {
+        attributionStyle.remove();
+      }
+      var nodeList = document.getElementsByClassName('esri-leaflet-jsonp-script');
+      for (var i = 0; i < nodeList.length; i++) {
+        nodeList.item(i).remove();
+      }
+    });
 
     map.attributionControl._esriAttributionAdded = true;
   }