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fix(BubbleList): 滚动过程的滚动距离计算 #215

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fix(BubbleList): 滚动过程的滚动距离计算 #215

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6 changes: 6 additions & 0 deletions packages/core/src/components/BubbleList/index.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -175,6 +175,12 @@ function handleScroll() {
showBackToBottom.value =
props.showBackButton && distanceToBottom > props.backButtonThreshold;

// 处理 lastScrollTop.value 安全距离(scrollHeight 在滚动过程中变小)
const maxScrollTop = scrollHeight - clientHeight;
if (lastScrollTop.value > maxScrollTop) {
lastScrollTop.value = maxScrollTop;
}

// 判断是否距离底部小于阈值 (这里吸附值大一些会体验更好)
const isCloseToBottom = scrollTop + clientHeight >= scrollHeight - 30;
// 判断用户是否向上滚动
Expand Down