feat(Progress): add stroke-width prop (#4397)

src/progress/index.js

@@ -1,4 +1,4 @@
-import { createNamespace, isDef } from '../utils';
+import { createNamespace, isDef, addUnit } from '../utils';
 import { BLUE, WHITE } from '../utils/constant';
 
 const [createComponent, bem] = createNamespace('progress');
@@ -8,6 +8,7 @@ export default createComponent({
     inactive: Boolean,
     pivotText: String,
     pivotColor: String,
+    strokeWidth: [String, Number],
     percentage: {
       type: Number,
       required: true,
@@ -69,8 +70,15 @@ export default createComponent({
       width: (this.progressWidth * percentage) / 100 + 'px'
     };
 
+    let wrapperStyle;
+    if (this.strokeWidth) {
+      wrapperStyle = {
+        height: addUnit(this.strokeWidth)
+      };
+    }
+
     return (
-      <div class={bem()}>
+      <div class={bem()} style={wrapperStyle}>
         <span class={bem('portion')} style={portionStyle}>
           {showPivot && (
             <span ref="pivot" style={pivotStyle} class={bem('pivot')}>