[improvement] rename packages dir to src (#3659)

src/loading/demo/index.vue

@@ -0,0 +1,69 @@
+<template>
+  <demo-section>
+    <demo-block :title="$t('type')">
+      <van-loading />
+      <van-loading type="spinner" />
+    </demo-block>
+
+    <demo-block :title="$t('color')">
+      <van-loading color="#1989fa" />
+      <van-loading
+        type="spinner"
+        color="#1989fa"
+      />
+    </demo-block>
+
+    <demo-block
+      v-if="!$attrs.weapp"
+      :title="$t('text')"
+    >
+      <van-loading size="24px">
+        {{ $t('loading') }}
+      </van-loading>
+    </demo-block>
+
+    <demo-block
+      v-if="!$attrs.weapp"
+      :title="$t('vertical')"
+    >
+      <van-loading
+        size="24px"
+        vertical
+      >
+        {{ $t('loading') }}
+      </van-loading>
+    </demo-block>
+  </demo-section>
+</template>
+
+<script>
+export default {
+  i18n: {
+    'zh-CN': {
+      type: '加载类型',
+      color: '自定义颜色',
+      text: '加载文案',
+      vertical: '垂直排列'
+    },
+    'en-US': {
+      type: 'Type',
+      color: 'Color',
+      text: 'Text',
+      vertical: 'Vertical'
+    }
+  }
+};
+</script>
+
+<style lang="less">
+.demo-loading {
+  .van-loading {
+    display: inline-block;
+    margin: 5px 0 5px 20px;
+
+    &--vertical {
+      display: inline-flex;
+    }
+  }
+}
+</style>