52 lines
1.0 KiB
JavaScript
52 lines
1.0 KiB
JavaScript
import { h } from "vue";
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import { inBrowser, useRect } from "@vant/use";
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var stdin_default = (lazy) => ({
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props: {
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tag: {
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type: String,
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default: "div"
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}
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},
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emits: ["show"],
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render() {
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return h(
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this.tag,
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this.show && this.$slots.default ? this.$slots.default() : null
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);
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},
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data() {
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return {
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el: null,
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state: {
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loaded: false
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},
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show: false
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};
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},
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mounted() {
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this.el = this.$el;
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lazy.addLazyBox(this);
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lazy.lazyLoadHandler();
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},
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beforeUnmount() {
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lazy.removeComponent(this);
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},
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methods: {
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checkInView() {
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const rect = useRect(this.$el);
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return inBrowser && rect.top < window.innerHeight * lazy.options.preLoad && rect.bottom > 0 && rect.left < window.innerWidth * lazy.options.preLoad && rect.right > 0;
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},
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load() {
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this.show = true;
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this.state.loaded = true;
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this.$emit("show", this);
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},
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destroy() {
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return this.$destroy;
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}
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}
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});
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export {
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stdin_default as default
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};
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