56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
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import type { CSSProperties } from 'vue';
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import { computed, nextTick, onMounted, ref } from 'vue';
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import {
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CSS_VARIABLE_LAYOUT_CONTENT_HEIGHT,
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CSS_VARIABLE_LAYOUT_CONTENT_WIDTH,
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getElementVisibleRect,
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type VisibleDomRect,
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} from '@vben-core/shared';
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import { useCssVar, useDebounceFn } from '@vueuse/core';
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/**
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* @zh_CN content style
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*/
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function useContentStyle() {
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const contentElement = ref<HTMLDivElement | null>(null);
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const visibleDomRect = ref<null | VisibleDomRect>(null);
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const contentHeight = useCssVar(CSS_VARIABLE_LAYOUT_CONTENT_HEIGHT);
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const contentWidth = useCssVar(CSS_VARIABLE_LAYOUT_CONTENT_WIDTH);
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const overlayStyle = computed((): CSSProperties => {
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const { height, left, top, width } = visibleDomRect.value ?? {};
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return {
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height: `${height}px`,
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left: `${left}px`,
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position: 'fixed',
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top: `${top}px`,
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width: `${width}px`,
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zIndex: 1000,
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};
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});
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const debouncedCalcHeight = useDebounceFn(
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(_entries: ResizeObserverEntry[]) => {
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visibleDomRect.value = getElementVisibleRect(contentElement.value);
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contentHeight.value = `${visibleDomRect.value.height}px`;
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contentWidth.value = `${visibleDomRect.value.width}px`;
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},
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100,
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);
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onMounted(() => {
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nextTick(() => {
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if (contentElement.value) {
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const observer = new ResizeObserver(debouncedCalcHeight);
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observer.observe(contentElement.value);
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}
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});
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});
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return { contentElement, overlayStyle, visibleDomRect };
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}
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export { useContentStyle };
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