jtBaseApp/node_modules/vant/lib/lazyload/vue-lazyload/lazy-component.js

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], 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_use = require("@vant/use");
var stdin_default = (lazy) => ({
  props: {
    tag: {
      type: String,
      default: "div"
    }
  },
  emits: ["show"],
  render() {
    return (0, import_vue.h)(
      this.tag,
      this.show && this.$slots.default ? this.$slots.default() : null
    );
  },
  data() {
    return {
      el: null,
      state: {
        loaded: false
      },
      show: false
    };
  },
  mounted() {
    this.el = this.$el;
    lazy.addLazyBox(this);
    lazy.lazyLoadHandler();
  },
  beforeUnmount() {
    lazy.removeComponent(this);
  },
  methods: {
    checkInView() {
      const rect = (0, import_use.useRect)(this.$el);
      return import_use.inBrowser && rect.top < window.innerHeight * lazy.options.preLoad && rect.bottom > 0 && rect.left < window.innerWidth * lazy.options.preLoad && rect.right > 0;
    },
    load() {
      this.show = true;
      this.state.loaded = true;
      this.$emit("show", this);
    },
    destroy() {
      return this.$destroy;
    }
  }
});