Merge pull request #12868 from plainheart/feat-add-initial-option-for-bmap

feat(extension/bmap): support for specifying initial map options.

extension-src/bmap/BMapCoordSys.js

@@ -179,7 +179,12 @@ BMapCoordSys.create = function (ecModel, api) {
             // Not support IE8
             bmapRoot.classList.add('ec-extension-bmap');
             root.appendChild(bmapRoot);
-            var bmap = bmapModel.__bmap = new BMap.Map(bmapRoot);
+
+            // initialize bmap
+            var mapOptions = bmapModel.get('mapOptions') || {};
+            // Not support `mapType`, use `bmap.setMapType(MapType)` instead.
+            delete mapOptions.mapType;
+            var bmap = bmapModel.__bmap = new BMap.Map(bmapRoot, mapOptions);
 
             var overlay = new Overlay(viewportRoot);
             bmap.addOverlay(overlay);
@@ -215,4 +220,4 @@ BMapCoordSys.create = function (ecModel, api) {
     });
 };
 
-export default BMapCoordSys;
+export default BMapCoordSys;
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extension-src/bmap/BMapModel.js

@@ -47,10 +47,15 @@ export default echarts.extendComponentModel({
 
         zoom: 5,
 
+        // 2.0 http://lbsyun.baidu.com/custom/index.htm
         mapStyle: {},
 
+        // 3.0 http://lbsyun.baidu.com/index.php?title=open/custom
         mapStyleV2: {},
 
+        // See https://lbsyun.baidu.com/cms/jsapi/reference/jsapi_reference.html#a0b1
+        mapOptions: {},
+
         roam: false
     }
-});
+});
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