update dataSet config， set label isRequired

Author: wuxudong

lib/ChartDataConfig.js

@@ -14,7 +14,7 @@ const lineData = PropTypes.shape({
         PropTypes.number
       ])
     ),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
       ...ChartDataSetConfig.barLineScatterCandleBubble,
@@ -57,7 +57,7 @@ const barData = PropTypes.shape({
         ])
       ])
     ),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
       ...ChartDataSetConfig.barLineScatterCandleBubble,
@@ -87,7 +87,7 @@ const bubbleData = PropTypes.shape({
       size: PropTypes.number.isRequired,
       marker: PropTypes.string,
     })),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
       ...ChartDataSetConfig.barLineScatterCandleBubble,
@@ -108,7 +108,7 @@ const candleData = PropTypes.shape({
         marker: PropTypes.string,
       })
     ),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
       ...ChartDataSetConfig.barLineScatterCandleBubble,
@@ -138,7 +138,7 @@ const pieData = PropTypes.shape({
         PropTypes.number
       ])
     ),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
 
@@ -156,7 +156,7 @@ const radarData = PropTypes.shape({
         PropTypes.number
       ])
     ),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
       ...ChartDataSetConfig.lineScatterCandleRadar,
@@ -179,7 +179,7 @@ const scatterData = PropTypes.shape({
         PropTypes.number
       ])
     ),
-    label: PropTypes.string,
+    label: PropTypes.string.isRequired,
     config: PropTypes.shape({
       ...ChartDataSetConfig.common,
       ...ChartDataSetConfig.barLineScatterCandleBubble,