71 lines
2.5 KiB
Vue
71 lines
2.5 KiB
Vue
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<script setup lang="ts">
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import { SwipeDirection } from '@vueuse/core'
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import { useReducedMotion } from '@vueuse/motion'
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import type { Attachment } from 'masto'
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const props = withDefaults(defineProps<{ media: Attachment[]; threshold?: number; modelValue: number }>(), {
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media: [] as any,
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threshold: 20,
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modelValue: 0,
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})
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const emit = defineEmits<{
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(e: 'update:modelValue', v: boolean): void
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(event: 'close'): void
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}>()
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const target = ref()
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const index = useVModel(props, 'modelValue', emit)
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const animateTimeout = useTimeout(10)
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const reduceMotion = useReducedMotion()
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const canAnimate = computed(() => !reduceMotion.value && animateTimeout.value)
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const { width, height } = useElementSize(target)
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const { isSwiping, lengthX, lengthY, direction } = useSwipe(target, {
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threshold: 5,
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passive: false,
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onSwipeEnd(e, direction) {
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// eslint-disable-next-line @typescript-eslint/no-use-before-define
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if (direction === SwipeDirection.RIGHT && Math.abs(distanceX.value) > props.threshold)
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index.value = Math.max(0, index.value - 1)
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// eslint-disable-next-line @typescript-eslint/no-use-before-define
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if (direction === SwipeDirection.LEFT && Math.abs(distanceX.value) > props.threshold)
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index.value = Math.min(props.media.length - 1, index.value + 1)
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// eslint-disable-next-line @typescript-eslint/no-use-before-define
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if (direction === SwipeDirection.UP && Math.abs(distanceY.value) > props.threshold)
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emit('close')
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},
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})
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const distanceX = computed(() => {
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if (width.value === 0)
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return 0
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if (!isSwiping.value || (direction.value !== SwipeDirection.LEFT && direction.value !== SwipeDirection.RIGHT))
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return index.value * 100 * -1
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return (lengthX.value / width.value) * 100 * -1 + (index.value * 100) * -1
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})
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const distanceY = computed(() => {
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if (height.value === 0 || !isSwiping.value || direction.value !== SwipeDirection.UP)
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return 0
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return (lengthY.value / height.value) * 100 * -1
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})
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</script>
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<template>
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<div ref="target" flex flex-row max-h-full max-w-full overflow-hidden>
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<div flex :style="{ transform: `translateX(${distanceX}%) translateY(${distanceY}%)`, transition: isSwiping ? 'none' : canAnimate ? 'all 0.5s ease' : 'none' }">
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<div v-for="item in media" :key="item.id" p4 select-none w-full flex-shrink-0 flex flex-col place-items-center>
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<img max-h-full max-w-full :draggable="false" select-none :src="item.url || item.previewUrl" :alt="item.description || ''">
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</div>
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</div>
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</div>
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</template>
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