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import { useNamespace } from '@ibiz-template/vue-util';
import { defineComponent, onUnmounted, ref, watch } from 'vue';
import type { PropType } from 'vue';
import '@ibiz-template/theme/style/components/common/skeleton/skeleton-card/skeleton-card.scss';
export default defineComponent({
props: {
active: {
type: Boolean,
default: false,
},
round: {
type: Boolean,
default: false,
},
loading: {
type: Boolean,
default: true,
},
title: {
type: Boolean,
default: true,
},
paragraph: {
type: [Boolean, Object] as PropType<boolean | { rows: number }>,
default: true,
},
},
setup(props, { slots }) {
const ns = useNamespace('skeleton-card');
const content = ref<HTMLElement | null>(null);
const rows = ref<number>(2);
watch(
() => props.paragraph,
value => {
if (!(typeof value === 'boolean')) {
rows.value = Math.floor(value.rows > 2 ? value.rows : 2);
}
},
);
const childHeight = 16;
const childMarginBottom = 12;
let observer: ResizeObserver | null = null;
watch(
content,
() => {
if (content.value && !observer && ResizeObserver) {
observer = new ResizeObserver(entries => {
if (typeof props.paragraph === 'boolean') {
rows.value = Math.floor(
(entries[0].contentRect.height + childMarginBottom) /
(childHeight + childMarginBottom),
);
}
});
observer.observe(content.value);
} else if (!content.value && observer) {
observer.disconnect();
observer = null;
}
},
{ immediate: true },
);
onUnmounted(() => {
if (observer) {
observer.disconnect();
observer = null;
}
});
return () => (
<div
class={`${props.loading ? ns.b() : ''} ${
props.loading && props.active ? ns.m('active') : ''
} ${props.loading && props.round ? ns.m('round') : ''}`.trim()}
>
{props.loading && props.title ? (
<header class={ns.b('header')}>
<h3 class={ns.be('header', 'title')}></h3>
</header>
) : null}
{props.loading && props.paragraph ? (
<main class={ns.b('content')} ref={content as unknown as string}>
{Array.from({ length: rows.value }).map((_value, i) => (
<div class={ns.be('content', 'item')} key={i}></div>
))}
</main>
) : null}
{typeof slots.default === 'function' && !props.loading
? slots.default()
: null}
</div>
);
},
});