[improvement] update eslint rules (#2089)

packages/picker/demo/index.vue

@@ -1,7 +1,10 @@
 <template>
   <demo-section>
     <demo-block :title="$t('basicUsage')">
-      <van-picker :columns="$t('column1')" @change="onChange1" />
+      <van-picker
+        :columns="$t('column1')"
+        @change="onChange1"
+      />
     </demo-block>
 
     <demo-block :title="$t('title2')">
@@ -19,11 +22,17 @@
     </demo-block>
 
     <demo-block :title="$t('title4')">
-      <van-picker :columns="columns" @change="onChange2" />
+      <van-picker
+        :columns="columns"
+        @change="onChange2"
+      />
     </demo-block>
 
     <demo-block :title="$t('loading')">
-      <van-picker :columns="columns" loading />
+      <van-picker
+        loading
+        :columns="columns"
+      />
     </demo-block>
   </demo-section>
 </template>

packages/picker/index.vue

@@ -1,16 +1,42 @@
 <template>
   <div :class="b()">
-    <div :class="b('toolbar')" class="van-hairline--top-bottom" v-if="showToolbar">
+    <div
+      v-if="showToolbar"
+      :class="b('toolbar')"
+      class="van-hairline--top-bottom"
+    >
       <slot>
-        <div :class="b('cancel')" @click="emit('cancel')">{{ cancelButtonText || $t('cancel') }}</div>
-        <div :class="b('title')" class="van-ellipsis" v-if="title" v-text="title" />
-        <div :class="b('confirm')" @click="emit('confirm')">{{ confirmButtonText || $t('confirm') }}</div>
+        <div
+          :class="b('cancel')"
+          @click="emit('cancel')"
+        >
+          {{ cancelButtonText || $t('cancel') }}
+        </div>
+        <div
+          v-if="title"
+          v-text="title"
+          :class="b('title')"
+          class="van-ellipsis"
+        />
+        <div
+          :class="b('confirm')"
+          @click="emit('confirm')"
+        >
+          {{ confirmButtonText || $t('confirm') }}
+        </div>
       </slot>
     </div>
-    <div v-if="loading" :class="b('loading')">
+    <div
+      v-if="loading"
+      :class="b('loading')"
+    >
       <loading />
     </div>
-    <div :class="b('columns')" :style="columnsStyle" @touchmove.prevent>
+    <div
+      :class="b('columns')"
+      :style="columnsStyle"
+      @touchmove.prevent
+    >
       <picker-column
         v-for="(item, index) in (simple ? [columns] : columns)"
         :key="index"
@@ -22,7 +48,11 @@
         :visible-item-count="visibleItemCount"
         @change="onChange(index)"
       />
-      <div :class="b('frame')" class="van-hairline--top-bottom" :style="frameStyle" />
+      <div
+        :class="b('frame')"
+        class="van-hairline--top-bottom"
+        :style="frameStyle"
+      />
     </div>
   </div>
 </template>

packages/picker/test/__snapshots__/demo.spec.js.snap

@@ -39,9 +39,13 @@ exports[`renders demo correctly 1`] = `
   <div>
     <div class="van-picker">
       <div class="van-hairline--top-bottom van-picker__toolbar">
-        <div class="van-picker__cancel">取消</div>
+        <div class="van-picker__cancel">
+          取消
+        </div>
         <div class="van-ellipsis van-picker__title">标题</div>
-        <div class="van-picker__confirm">确认</div>
+        <div class="van-picker__confirm">
+          确认
+        </div>
       </div>
       <!---->
       <div class="van-picker__columns" style="height:220px;">