feature: change the type of layertype.js to be layerType instead of t…

…ype for VSCode syntax highlight compatibility (#1706)

src/layer.js

@@ -1,6 +1,6 @@
 import mapUtils from './maputils';
 import group from './layer/group';
-import type from './layer/layertype';
+import layerType from './layer/layertype';
 
 function onChangeVisible(e) {
   const layer = e.target;
@@ -60,7 +60,7 @@ const Layer = function Layer(optOptions, viewer) {
   }
 
   if (layerOptions.type) {
-    const layer = type[layerOptions.type](layerOptions, viewer);
+    const layer = layerType[layerOptions.type](layerOptions, viewer);
     layer.once('postrender', onChangeVisible);
     return layer;
   }
@@ -80,6 +80,6 @@ function groupLayer(options, viewer) {
   throw new Error('Group layer has no layers');
 }
 
-type.GROUP = groupLayer;
+layerType.GROUP = groupLayer;
 
 export default Layer;

src/layer/layertype.js

@@ -13,21 +13,21 @@ import osm from './osm';
 import vectortile from './vectortile';
 import feature from './featurelayer';
 
-const type = {};
+const layerType = {};
 
-type.WFS = wfs;
-type.AGS_FEATURE = agsFeature;
-type.AGS_MAP = agsMap;
-type.TOPOJSON = topojson;
-type.GEOJSON = geojson;
-type.GPX = gpx;
-type.KML = kml;
-type.WMS = wms;
-type.WMTS = wmts;
-type.AGS_TILE = agsTile;
-type.XYZ = xyz;
-type.OSM = osm;
-type.VECTORTILE = vectortile;
-type.FEATURE = feature;
+layerType.WFS = wfs;
+layerType.AGS_FEATURE = agsFeature;
+layerType.AGS_MAP = agsMap;
+layerType.TOPOJSON = topojson;
+layerType.GEOJSON = geojson;
+layerType.GPX = gpx;
+layerType.KML = kml;
+layerType.WMS = wms;
+layerType.WMTS = wmts;
+layerType.AGS_TILE = agsTile;
+layerType.XYZ = xyz;
+layerType.OSM = osm;
+layerType.VECTORTILE = vectortile;
+layerType.FEATURE = feature;
 
-export default type;
+export default layerType;