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node_modules/vant/es/swipe-item/SwipeItem.mjs

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+import { computed, nextTick, reactive, onMounted, defineComponent, createVNode as _createVNode } from "vue";
+import { createNamespace } from "../utils/index.mjs";
+import { SWIPE_KEY } from "../swipe/Swipe.mjs";
+import { useParent } from "@vant/use";
+import { useExpose } from "../composables/use-expose.mjs";
+const [name, bem] = createNamespace("swipe-item");
+var stdin_default = defineComponent({
+  name,
+  setup(props, {
+    slots
+  }) {
+    let rendered;
+    const state = reactive({
+      offset: 0,
+      inited: false,
+      mounted: false
+    });
+    const {
+      parent,
+      index
+    } = useParent(SWIPE_KEY);
+    if (!parent) {
+      if (process.env.NODE_ENV !== "production") {
+        console.error("[Vant] <SwipeItem> must be a child component of <Swipe>.");
+      }
+      return;
+    }
+    const style = computed(() => {
+      const style2 = {};
+      const {
+        vertical
+      } = parent.props;
+      if (parent.size.value) {
+        style2[vertical ? "height" : "width"] = `${parent.size.value}px`;
+      }
+      if (state.offset) {
+        style2.transform = `translate${vertical ? "Y" : "X"}(${state.offset}px)`;
+      }
+      return style2;
+    });
+    const shouldRender = computed(() => {
+      const {
+        loop,
+        lazyRender
+      } = parent.props;
+      if (!lazyRender || rendered) {
+        return true;
+      }
+      if (!state.mounted) {
+        return false;
+      }
+      const active = parent.activeIndicator.value;
+      const maxActive = parent.count.value - 1;
+      const prevActive = active === 0 && loop ? maxActive : active - 1;
+      const nextActive = active === maxActive && loop ? 0 : active + 1;
+      rendered = index.value === active || index.value === prevActive || index.value === nextActive;
+      return rendered;
+    });
+    const setOffset = (offset) => {
+      state.offset = offset;
+    };
+    onMounted(() => {
+      nextTick(() => {
+        state.mounted = true;
+      });
+    });
+    useExpose({
+      setOffset
+    });
+    return () => {
+      var _a;
+      return _createVNode("div", {
+        "class": bem(),
+        "style": style.value
+      }, [shouldRender.value ? (_a = slots.default) == null ? void 0 : _a.call(slots) : null]);
+    };
+  }
+});
+export {
+  stdin_default as default
+};