ckgl/node_modules/vant/lib/lazyload/vue-lazyload/lazy-component.js
2024-12-21 13:52:42 +08:00

71 lines
1.9 KiB
JavaScript

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;
}
}
});