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node_modules/vant/lib/swipe-item/SwipeItem.js

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+var __defProp = Object.defineProperty;
+var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+var __export = (target, all) => {
+  for (var name2 in all)
+    __defProp(target, name2, { get: all[name2], enumerable: true });
+};
+var __copyProps = (to, from, except, desc) => {
+  if (from && typeof from === "object" || typeof from === "function") {
+    for (let key of __getOwnPropNames(from))
+      if (!__hasOwnProp.call(to, key) && key !== except)
+        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+  }
+  return to;
+};
+var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
+var stdin_exports = {};
+__export(stdin_exports, {
+  default: () => stdin_default
+});
+module.exports = __toCommonJS(stdin_exports);
+var import_vue = require("vue");
+var import_utils = require("../utils");
+var import_Swipe = require("../swipe/Swipe");
+var import_use = require("@vant/use");
+var import_use_expose = require("../composables/use-expose");
+const [name, bem] = (0, import_utils.createNamespace)("swipe-item");
+var stdin_default = (0, import_vue.defineComponent)({
+  name,
+  setup(props, {
+    slots
+  }) {
+    let rendered;
+    const state = (0, import_vue.reactive)({
+      offset: 0,
+      inited: false,
+      mounted: false
+    });
+    const {
+      parent,
+      index
+    } = (0, import_use.useParent)(import_Swipe.SWIPE_KEY);
+    if (!parent) {
+      if (process.env.NODE_ENV !== "production") {
+        console.error("[Vant] <SwipeItem> must be a child component of <Swipe>.");
+      }
+      return;
+    }
+    const style = (0, import_vue.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 = (0, import_vue.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;
+    };
+    (0, import_vue.onMounted)(() => {
+      (0, import_vue.nextTick)(() => {
+        state.mounted = true;
+      });
+    });
+    (0, import_use_expose.useExpose)({
+      setOffset
+    });
+    return () => {
+      var _a;
+      return (0, import_vue.createVNode)("div", {
+        "class": bem(),
+        "style": style.value
+      }, [shouldRender.value ? (_a = slots.default) == null ? void 0 : _a.call(slots) : null]);
+    };
+  }
+});