feat: 微客宝H5客户端 - 基础架构+核心页面

2026-03-14 19:44:03 +08:00
parent 54d2f617bb
commit 0e974da09c
3738 changed files with 811180 additions and 21 deletions
@@ -0,0 +1,30 @@
+import { inBrowser } from "../utils/index.mjs";
+import { onDeactivated, onBeforeUnmount } from "vue";
+import { onMountedOrActivated } from "@vant/use";
+function useVisibilityChange(target, onChange) {
+  if (!inBrowser || !window.IntersectionObserver) {
+    return;
+  }
+  const observer = new IntersectionObserver(
+    (entries) => {
+      onChange(entries[0].intersectionRatio > 0);
+    },
+    { root: document.body }
+  );
+  const observe = () => {
+    if (target.value) {
+      observer.observe(target.value);
+    }
+  };
+  const unobserve = () => {
+    if (target.value) {
+      observer.unobserve(target.value);
+    }
+  };
+  onDeactivated(unobserve);
+  onBeforeUnmount(unobserve);
+  onMountedOrActivated(observe);
+}
+export {
+  useVisibilityChange
+};