first commit

uni_modules/tdesign-uniapp/components/common/wechat.js

@@ -0,0 +1,22 @@
+export const getObserver = (context, selector) => new Promise((resolve) => {
+  uni
+    .createIntersectionObserver(context, {
+      nativeMode: true,
+    })
+    .relativeToViewport()
+    .observe(selector, (res) => {
+      resolve(res);
+    });
+});
+
+/**
+ * 背景：单页模式下, getWindowInfo、getAppBaseInfo、getDeviceInfo 等接口均返回 undefined。
+ * 复现路径：分享到朋友圈，再打开单页模式的该页面，uni.getWindowInfo() 等接口返回 undefined
+ * 代码片段：https://developers.weixin.qq.com/s/mzvZ8FmH7vVW
+ */
+
+export const getWindowInfo = () => (uni.getWindowInfo ? uni.getWindowInfo() || uni.getSystemInfoSync() : uni.getSystemInfoSync());
+
+export const getAppBaseInfo = () => (uni.getAppBaseInfo ? uni.getAppBaseInfo() || uni.getSystemInfoSync() : uni.getSystemInfoSync());
+
+export const getDeviceInfo = () => (uni.getDeviceInfo ? uni.getDeviceInfo() || uni.getSystemInfoSync() : uni.getSystemInfoSync());