feat: support set style of specific mark point

README.md

@@ -90,9 +90,9 @@ ReactDOM.render(<Rcslider />, container);
         </tr>
         <tr>
           <td>marks</td>
-          <td>object {number: string}</td>
+          <td>object{number: string} or object{number: object{ style, label }}</td>
           <td>{}</td>
-          <td>Mark on the slider. The key determines the position, and the value determines what will show.</td>
+          <td>Mark on the slider. The key determines the position, and the value determines what will show. If you want to set the style of a specific mark point, the value should be an object which contains `style` and `label` properties.</td>
         </tr>
         <tr>
           <td>step</td>

examples/marks.js

@@ -11,7 +11,12 @@ const marks = {
   26: '26°C',
   37: '37°C',
   50: '50°C',
-  100: '100°C',
+  100: {
+    style: {
+      color: 'red',
+    },
+    label: '100°C',
+  },
 };
 
 function log(value) {

src/Marks.jsx

@@ -19,8 +19,13 @@ const Marks = ({className, marks, included, upperBound, lowerBound, max, min}) =
     const style = { width: markWidth + '%' };
     style.left = (point - min) / range * 100 - markWidth / 2 + '%';
 
-    return (<span className={markClassName} style={style} key={point}>
-             {marks[point]}
+    const markPoint = marks[point];
+    const markPointIsObject = typeof markPoint === 'object';
+    const markLabel = markPointIsObject ? markPoint.label : markPoint;
+    const markStyle = markPointIsObject ?
+            { ...style, ...markPoint.style } : style;
+    return (<span className={markClassName} style={markStyle} key={point}>
+             {markLabel}
             </span>);
   });