v3.5.16小程序首页动画

2026-08-30 15:07:58 +08:00
parent 9c8d5f2cad
commit b375fab44a
13 changed files with 546 additions and 759 deletions
@@ -0,0 +1,21 @@
+import Taro from '@tarojs/taro';
+import { HOME_SPLASH_BOTTLE_URL } from '@dukang/shared-types';
+
+/** 冷启动会话内是否已播过首页开场（进程级，切 Tab 不重播） */
+
+let played = false;
+
+export function hasHomeSplashPlayed() {
+  return played;
+}
+
+export function markHomeSplashPlayed() {
+  played = true;
+}
+
+/** 冷启动预拉 OSS 开场图（仅 weapp；H5 的 getImageInfo 会走 CORS） */
+export function prefetchHomeSplashAssets() {
+  if (played) return;
+  if (process.env.TARO_ENV !== 'weapp') return;
+  void Taro.getImageInfo({ src: HOME_SPLASH_BOTTLE_URL }).catch(() => {});
+}