119 lines
3.3 KiB
JavaScript
119 lines
3.3 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_use = require("@vant/use");
|
|
var import_util = require("./util");
|
|
var import_utils = require("../../utils");
|
|
var import_vue = require("vue");
|
|
var stdin_default = (lazyManager) => ({
|
|
props: {
|
|
src: [String, Object],
|
|
tag: {
|
|
type: String,
|
|
default: "img"
|
|
}
|
|
},
|
|
render() {
|
|
var _a, _b;
|
|
return (0, import_vue.h)(
|
|
this.tag,
|
|
{
|
|
src: this.renderSrc
|
|
},
|
|
(_b = (_a = this.$slots).default) == null ? void 0 : _b.call(_a)
|
|
);
|
|
},
|
|
data() {
|
|
return {
|
|
el: null,
|
|
options: {
|
|
src: "",
|
|
error: "",
|
|
loading: "",
|
|
attempt: lazyManager.options.attempt
|
|
},
|
|
state: {
|
|
loaded: false,
|
|
error: false,
|
|
attempt: 0
|
|
},
|
|
renderSrc: ""
|
|
};
|
|
},
|
|
watch: {
|
|
src() {
|
|
this.init();
|
|
lazyManager.addLazyBox(this);
|
|
lazyManager.lazyLoadHandler();
|
|
}
|
|
},
|
|
created() {
|
|
this.init();
|
|
},
|
|
mounted() {
|
|
this.el = this.$el;
|
|
lazyManager.addLazyBox(this);
|
|
lazyManager.lazyLoadHandler();
|
|
},
|
|
beforeUnmount() {
|
|
lazyManager.removeComponent(this);
|
|
},
|
|
methods: {
|
|
init() {
|
|
const { src, loading, error } = lazyManager.valueFormatter(this.src);
|
|
this.state.loaded = false;
|
|
this.options.src = src;
|
|
this.options.error = error;
|
|
this.options.loading = loading;
|
|
this.renderSrc = this.options.loading;
|
|
},
|
|
checkInView() {
|
|
const rect = (0, import_use.useRect)(this.$el);
|
|
return rect.top < window.innerHeight * lazyManager.options.preLoad && rect.bottom > 0 && rect.left < window.innerWidth * lazyManager.options.preLoad && rect.right > 0;
|
|
},
|
|
load(onFinish = import_utils.noop) {
|
|
if (this.state.attempt > this.options.attempt - 1 && this.state.error) {
|
|
if (process.env.NODE_ENV !== "production" && !lazyManager.options.silent) {
|
|
console.log(
|
|
`[@vant/lazyload] ${this.options.src} tried too more than ${this.options.attempt} times`
|
|
);
|
|
}
|
|
onFinish();
|
|
return;
|
|
}
|
|
const { src } = this.options;
|
|
(0, import_util.loadImageAsync)(
|
|
{ src },
|
|
({ src: src2 }) => {
|
|
this.renderSrc = src2;
|
|
this.state.loaded = true;
|
|
},
|
|
() => {
|
|
this.state.attempt++;
|
|
this.renderSrc = this.options.error;
|
|
this.state.error = true;
|
|
}
|
|
);
|
|
}
|
|
}
|
|
});
|