Clone is always deep

src/chart/bar/BarSeries.js

@@ -28,6 +28,8 @@ define(function(require) {
 
             // 最小高度改为0
             barMinHeight: 0,
+
+            // barMaxWidth: null,
             // 默认自适应
             // barWidth: null,
             // 柱间距离，默认为柱形宽度的30%，可设固定值
@@ -52,8 +54,6 @@ define(function(require) {
                     // color: '各异',
                     // 柱条边线
                     barBorderColor: '#fff',
-                    // 柱条边线圆角，单位px，默认为0
-                    barBorderRadius: 0,
                     // 柱条边线线宽，单位px，默认为1
                     barBorderWidth: 0
                 },
@@ -61,8 +61,6 @@ define(function(require) {
                     // color: '各异',
                     // 柱条边线
                     barBorderColor: '#fff',
-                    // 柱条边线圆角，单位px，默认为0
-                    barBorderRadius: 0,
                     // 柱条边线线宽，单位px，默认为1
                     barBorderWidth: 0
                 }

src/chart/radar/backwardCompat.js

@@ -149,7 +149,7 @@ define(function (require) {
                             seriesOpt.name = dataOpt.name;
                             for (var i = 1; i < dataList.length; i++) {
                                 var dataOpt = dataList[i];
-                                var newSeriesOpt = zrUtil.clone(seriesOpt, true);
+                                var newSeriesOpt = zrUtil.clone(seriesOpt);
                                 option.series.push(zrUtil.extend(newSeriesOpt, {
                                     name: dataOpt.name,
                                     data: dataOpt.value,

src/component/helper/SelectController.js

@@ -50,7 +50,7 @@ define(function (require) {
          * @type {Object}
          * @readOnly
          */
-        this.opt = zrUtil.clone(opt, true);
+        this.opt = zrUtil.clone(opt);
 
         /**
          * @type {module:zrender/container/Group}
@@ -131,7 +131,7 @@ define(function (require) {
             // TODO
             // Only support one interval yet.
             if (ranges) {
-                renderCover.call(this, zrUtil.clone(ranges, true));
+                renderCover.call(this, zrUtil.clone(ranges));
             }
         },
 
@@ -218,7 +218,7 @@ define(function (require) {
 
             renderCover.call(this, ranges);
 
-            this.trigger('selected', zrUtil.clone(ranges, true));
+            this.trigger('selected', zrUtil.clone(ranges));
         }
     }
 

src/component/timeline/SliderTimelineView.js

@@ -635,7 +635,7 @@ define(function (require) {
     function makeIcon(timelineModel, objPath, rect, opts) {
         var icon = graphic.makePath(
             timelineModel.get(objPath).replace(/^path:\/\//, ''),
-            zrUtil.clone(opts || {}, true),
+            zrUtil.clone(opts || {}),
             new BoundingRect(rect[0], rect[1], rect[2], rect[3]),
             'center'
         );

src/component/timeline/TimelineModel.js

@@ -151,7 +151,7 @@ define(function(require) {
                     var newItem;
 
                     if (zrUtil.isObject(item)) {
-                        newItem = zrUtil.clone(item, true);
+                        newItem = zrUtil.clone(item);
                         newItem.value = index;
                     }
                     else {

src/component/tooltip/TooltipView.js

@@ -790,14 +790,14 @@ define(function (require) {
             if (lastHover.payloadBatch && !contentNotChange) {
                 this._api.dispatchAction({
                     type: 'downplay',
-                    batch: zrUtil.clone(lastHover.payloadBatch, true)
+                    batch: zrUtil.clone(lastHover.payloadBatch)
                 });
             }
             // Dispatch highlight action
             if (!contentNotChange) {
                 this._api.dispatchAction({
                     type: 'highlight',
-                    batch: zrUtil.clone(payloadBatch, true)
+                    batch: zrUtil.clone(payloadBatch)
                 });
                 lastHover.payloadBatch = payloadBatch;
             }

src/component/visualMap/PiecewiseModel.js

@@ -56,7 +56,7 @@ define(function(require) {
 
             this.resetVisual(function (mappingOption, state) {
                 mappingOption.mappingMethod = mappingMethod;
-                mappingOption.categories = categories && zrUtil.clone(categories, true);
+                mappingOption.categories = categories && zrUtil.clone(categories);
 
                 var intervals = mappingOption.intervals = [];
                 var specifiedVisuals = mappingOption.specifiedVisuals = [];

src/component/visualMap/PiecewiseView.js

@@ -150,7 +150,7 @@ define(function(require) {
          */
         _onItemClick: function (index) {
             var visualMapModel = this.visualMapModel;
-            var selected = zrUtil.clone(visualMapModel.get('selected'), true);
+            var selected = zrUtil.clone(visualMapModel.get('selected'));
 
             if (visualMapModel.get('selectedMode') === 'single') {
                 zrUtil.each(selected, function (item, index) {

src/component/visualMap/VisualMapModel.js

@@ -389,12 +389,12 @@ define(function(require) {
                     // Consistent symbol and symbolSize if not specified.
                     if (!visuals.symbol) {
                         visuals.symbol = symbolExists
-                            && zrUtil.clone(symbolExists, true)
+                            && zrUtil.clone(symbolExists)
                             || (isCategory ? 'roundRect' : ['roundRect']);
                     }
                     if (!visuals.symbolSize) {
                         visuals.symbolSize = symbolSizeExists
-                            && zrUtil.clone(symbolSizeExists, true)
+                            && zrUtil.clone(symbolSizeExists)
                             || (isCategory ? itemSize[0] : [itemSize[0], itemSize[0]]);
                     }
 

src/coord/parallel/AxisModel.js

@@ -47,7 +47,7 @@ define(function(require) {
          * @public
          */
         setActiveIntervals: function (intervals) {
-            var activeIntervals = this.activeIntervals = zrUtil.clone(intervals, true);
+            var activeIntervals = this.activeIntervals = zrUtil.clone(intervals);
 
             // Normalize
             if (activeIntervals) {

src/coord/parallel/Parallel.js

@@ -280,7 +280,7 @@ define(function(require) {
          * Get axis layout.
          */
         getAxisLayout: function (dim) {
-            return zrUtil.clone(this._axesLayout[dim], true);
+            return zrUtil.clone(this._axesLayout[dim]);
         }
 
     };

src/echarts.js

@@ -83,7 +83,7 @@ define(function (require) {
          * @type {Object}
          * @private
          */
-        this._theme = zrUtil.clone(theme, true);
+        this._theme = zrUtil.clone(theme);
 
         /**
          * @type {Array.<module:echarts/view/Chart>}

src/model/Global.js

@@ -110,7 +110,7 @@ define(function (require) {
 
                 if (!ComponentModel.hasClass(mainType)) {
                     option[mainType] = option[mainType] == null
-                        ? zrUtil.clone(componentOption, true)
+                        ? zrUtil.clone(componentOption)
                         : zrUtil.merge(option[mainType], componentOption, true);
                 }
                 else {

src/model/Model.js

@@ -123,7 +123,7 @@ define(function (require) {
         // Pending
         clone: function () {
             var Ctor = this.constructor;
-            return new Ctor(zrUtil.clone(this.option, true));
+            return new Ctor(zrUtil.clone(this.option));
         },
 
         setReadOnly: function (properties) {

src/visual/VisualMapping.js

@@ -56,7 +56,7 @@ define(function (require) {
          * @readOnly
          * @type {Object}
          */
-        var thisOption = this.option = zrUtil.clone(option, true);
+        var thisOption = this.option = zrUtil.clone(option);
 
         /**
          * @private

src/visual/visualDefault.js

@@ -12,8 +12,7 @@ define(function (require) {
          */
         get: function (visualType, key, isCategory) {
             var value = zrUtil.clone(
-                (defaultOption[visualType] || {})[key],
-                true
+                (defaultOption[visualType] || {})[key]
             );
 
             return isCategory