1

pages/index/index.vue

@@ -552,6 +552,8 @@
 	const HOME_AD_IMAGE_CACHE_TTL = 30 * 24 * 60 * 60 * 1000
 	const HOME_AD_IMAGE_CACHE_LIMIT = 40
 	const homeAdImageDownloading = {}
+	let groupBuySubPackagePreloaded = false
+	let groupBuySubPackagePreloading = false
 	const HOME_MENU_ICON_URLS = {
 		food: 'https://jewel-shop.oss-cn-beijing.aliyuncs.com/553230c20dea4e5c85f1e396058a7493.png',
 		store: 'https://jewel-shop.oss-cn-beijing.aliyuncs.com/28b5cfec79d74871b0ce67743fb7619c.png',
@@ -953,8 +955,31 @@
 				this.indexInit()
 				this.$nextTick(() => {
 					this.refreshDaimaiStickyPosition()
+					this.scheduleGroupBuyListPreload()
 				})
 			},
+			scheduleGroupBuyListPreload() {
+				clearTimeout(this._groupBuyPreloadTimer)
+				this._groupBuyPreloadTimer = setTimeout(() => {
+					this.preloadGroupBuyListPage()
+				}, 300)
+			},
+			preloadGroupBuyListPage() {
+				if (groupBuySubPackagePreloaded || groupBuySubPackagePreloading) return
+				// #ifdef MP-WEIXIN
+				if (typeof wx === 'undefined' || !wx.loadSubpackage) return
+				groupBuySubPackagePreloading = true
+				wx.loadSubpackage({
+					root: 'package2',
+					success: () => {
+						groupBuySubPackagePreloaded = true
+					},
+					complete: () => {
+						groupBuySubPackagePreloading = false
+					}
+				})
+				// #endif
+			},
 			normalizeShareTargetPath(value) {
 				return normalizeShareTargetPath(value)
 			},
@@ -1718,6 +1743,7 @@
 						url = '/package1/runErrand/runErrand'
 						break;
 					case '2':
+						this.preloadGroupBuyListPage()
 						url = '/package2/group/groupBuyList'
 						break;
 					case '3':