[improvement] update eslint rules (#2089)

packages/nav-bar/demo/index.vue

@@ -12,8 +12,15 @@
     </demo-block>
 
     <demo-block :title="$t('advancedUsage')">
-      <van-nav-bar :title="$t('title')" :left-text="$t('back')" left-arrow>
-        <van-icon name="search" slot="right" />
+      <van-nav-bar
+        :title="$t('title')"
+        :left-text="$t('back')"
+        left-arrow
+      >
+        <van-icon
+          name="search"
+          slot="right"
+        />
       </van-nav-bar>
     </demo-block>
   </demo-section>

packages/nav-bar/index.vue

@@ -4,18 +4,39 @@
     :class="b({ fixed })"
     :style="style"
   >
-    <div :class="b('left')" @click="$emit('click-left')">
+    <div
+      :class="b('left')"
+      @click="$emit('click-left')"
+    >
       <slot name="left">
-        <icon v-if="leftArrow" :class="b('arrow')" name="arrow" />
-        <span v-if="leftText" v-text="leftText" :class="b('text')" />
+        <icon
+          v-if="leftArrow"
+          :class="b('arrow')"
+          name="arrow"
+        />
+        <span
+          v-if="leftText"
+          v-text="leftText"
+          :class="b('text')"
+        />
       </slot>
     </div>
-    <div :class="b('title')" class="van-ellipsis">
+    <div
+      :class="b('title')"
+      class="van-ellipsis"
+    >
       <slot name="title">{{ title }}</slot>
     </div>
-    <div :class="b('right')" @click="$emit('click-right')">
+    <div
+      :class="b('right')"
+      @click="$emit('click-right')"
+    >
       <slot name="right">
-        <span v-if="rightText" v-text="rightText" :class="b('text')" />
+        <span
+          v-if="rightText"
+          v-text="rightText"
+          :class="b('text')"
+        />
       </slot>
     </div>
   </div>