feat: 新增 Demo 站点

docs/demos/promiseify-post-message/Index.vue

@@ -0,0 +1,36 @@
+<template>
+  <div class="home">
+    <h2>Home</h2>
+    <iframe ref="iframeRef" src="/demos/promiseify-post-message/inner" frameborder="0" />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import { registerBase } from './base'
+
+const iframeRef = ref<HTMLIFrameElement | null>(null)
+
+onMounted(() => {
+  if (iframeRef.value && iframeRef.value.contentWindow) {
+    registerBase(iframeRef.value.contentWindow)
+  }
+})
+</script>
+
+<style scoped>
+/* 隐藏掉窄屏时 fixd 在顶部的 Return to top */
+:global(.VPLocalNav) {
+  display: none;
+}
+
+.home {
+  padding: 25px;
+}
+
+iframe {
+  width: 100%;
+  height: 100%;
+  border: 1px solid #ccc;
+}
+</style>