初始化项目

src/components/custom/better-scroll.vue

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+<script setup lang="ts">
+import { computed, onMounted, ref, watch } from 'vue';
+import { useElementSize } from '@vueuse/core';
+import BScroll from '@better-scroll/core';
+import type { Options } from '@better-scroll/core';
+
+defineOptions({ name: 'BetterScroll' });
+
+interface Props {
+  /**
+   * BetterScroll options
+   *
+   * @link https://better-scroll.github.io/docs/zh-CN/guide/base-scroll-options.html
+   */
+  options: Options;
+}
+
+const props = defineProps<Props>();
+
+const bsWrapper = ref<HTMLElement>();
+const bsContent = ref<HTMLElement>();
+const { width: wrapWidth } = useElementSize(bsWrapper);
+const { width, height } = useElementSize(bsContent);
+
+const instance = ref<BScroll>();
+const isScrollY = computed(() => Boolean(props.options.scrollY));
+
+function initBetterScroll() {
+  if (!bsWrapper.value) return;
+  instance.value = new BScroll(bsWrapper.value, props.options);
+}
+
+// refresh BS when scroll element size changed
+watch([() => wrapWidth.value, () => width.value, () => height.value], () => {
+  instance.value?.refresh();
+});
+
+onMounted(() => {
+  initBetterScroll();
+});
+
+defineExpose({ instance });
+</script>
+
+<template>
+  <div ref="bsWrapper" class="h-full text-left">
+    <div ref="bsContent" class="inline-block" :class="{ 'h-full': !isScrollY }">
+      <slot></slot>
+    </div>
+  </div>
+</template>
+
+<style scoped></style>