[improvement] update eslint rules (#2089)

packages/steps/demo/index.vue

@@ -27,7 +27,11 @@
     </demo-block>
 
     <demo-block :title="$t('title3')">
-      <van-steps direction="vertical" :active="0" active-color="#f44">
+      <van-steps
+        :active="0"
+        direction="vertical"
+        active-color="#f44"
+      >
         <van-step>
           <h3>{{ $t('status1') }}</h3>
           <p>2016-07-12 12:40</p>

packages/steps/index.vue

@@ -1,14 +1,30 @@
 <template>
   <div :class="b([direction])">
-    <div v-if="title || description" :class="b('status')">
-      <div v-if="icon || $slots.icon" :class="b('icon')">
+    <div
+      v-if="title || description"
+      :class="b('status')"
+    >
+      <div
+        v-if="icon || $slots.icon"
+        :class="b('icon')"
+      >
         <slot name="icon">
-          <icon :name="icon" :class="iconClass" />
+          <icon
+            :name="icon"
+            :class="iconClass"
+          />
         </slot>
       </div>
       <div :class="b('message')">
-        <div :class="b('title')" v-text="title" />
-        <div :class="b('desc')" class="van-ellipsis" v-text="description" />
+        <div
+          :class="b('title')"
+          v-text="title"
+        />
+        <div
+          :class="b('desc')"
+          class="van-ellipsis"
+          v-text="description"
+        />
       </div>
       <slot name="message-extra" />
     </div>