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

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_vue2 = 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_vue2.defineComponent)({
  name,
  setup(props, {
    slots
  }) {
    let rendered;
    const state = (0, import_vue2.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_vue2.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_vue2.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_vue2.onMounted)(() => {
      (0, import_vue2.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]);
    };
  }
});