[new feature] Step: add active-icon slot (#3193)

packages/step/index.js

@@ -43,7 +43,9 @@ export default sfc({
           {status !== 'process' ? (
             <i class={bem('circle')} />
           ) : (
-            <Icon name={activeIcon} style={{ color: activeColor }} />
+            this.slots('active-icon') || (
+              <Icon name={activeIcon} style={{ color: activeColor }} />
+            )
           )}
         </div>
         <div class={bem('line')} />

packages/steps/en-US.md

@@ -69,17 +69,13 @@ export default {
 | Attribute | Description | Type | Default |
 |------|------|------|------|
 | active | Active step | `Number` | 0 |
-| icon | Action step icon | `String` | - |
-| icon-class | Icon class | `String` | - |
-| title | Title | `String` | - |
 | description | Description | `String` | - |
 | direction | Can be set to `vertical` | `String` | `horizontal` |
 | active-icon | Active icon name | `String` | `checked` |
 | active-color | Active step color | `String` | `#07c160` |
 
-### Steps Slot
+### Step Slot
 
 | Name | Description |
 |------|------|
 | icon | Custom icon |
-| message-extra | Extra content |

packages/steps/zh-CN.md

@@ -74,16 +74,12 @@ export default {
 |------|------|------|------|------|
 | active | 当前步骤 | `Number` | 0 | - |
 | title | 顶部描述栏标题 | `String` | - | - |
-| description | 顶部描述栏文字 | `String` | - | - |
-| icon | 顶部描述栏图标 | `String` | - | - |
-| icon-class | 顶部描述栏图标额外类名 | `String` | - | - |
 | direction | 显示方向，可选值为 `vertical` | `String` | `horizontal` | - |
 | active-icon | 激活状态底部图标，可选值见 Icon 组件 | `String` | `checked` | 1.6.9 |
 | active-color | 激活状态颜色 | `String` | `#07c160` | - |
 
-### Steps Slot
+### Step Slot
 
 | 名称 | 说明 |
 |------|------|
-| icon | 自定义icon区域 |
-| message-extra | 状态栏添加额外的元素 |
+| active-icon | 自定义激活状态图标 |