48 lines
1.3 KiB
Vue
48 lines
1.3 KiB
Vue
<script lang="ts">
|
|
import type { PrimitiveProps } from '../primitive';
|
|
|
|
/**
|
|
* Displays content within a fixed, responsive width-to-height ratio. The
|
|
* element grows to fill its container's width and derives its height from the
|
|
* `ratio`, so the box keeps its proportions at any size. Use it to reserve
|
|
* layout space for images, video, maps, or embeds and avoid content shift.
|
|
*/
|
|
export interface AspectRatioProps extends PrimitiveProps {
|
|
/**
|
|
* Desired width-to-height ratio (e.g. `16 / 9`, `1`, `4 / 3`).
|
|
* @default 1
|
|
*/
|
|
ratio?: number;
|
|
}
|
|
</script>
|
|
|
|
<script setup lang="ts">
|
|
import { Primitive } from '../primitive';
|
|
import { useForwardExpose } from '@robonen/vue';
|
|
|
|
const { forwardRef } = useForwardExpose();
|
|
|
|
const { ratio = 1, as = 'div' } = defineProps<AspectRatioProps>();
|
|
|
|
const wrapperStyle = {
|
|
position: 'relative' as const,
|
|
width: '100%',
|
|
paddingBottom: `${(1 / ratio) * 100}%`,
|
|
};
|
|
|
|
// Hoisted constant — the inner style never depends on props, so a single
|
|
// module-level object is reused across all instances.
|
|
const INNER_STYLE = {
|
|
position: 'absolute' as const,
|
|
inset: 0,
|
|
};
|
|
</script>
|
|
|
|
<template>
|
|
<div :ref="forwardRef" :style="wrapperStyle" data-aspect-ratio-wrapper>
|
|
<Primitive :as="as" :style="INNER_STYLE" :data-aspect-ratio="true">
|
|
<slot />
|
|
</Primitive>
|
|
</div>
|
|
</template>
|