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37 lines
886 B
TypeScript
37 lines
886 B
TypeScript
import { decode } from 'blurhash'
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import { getDataUrlFromArr } from '~~/composables/utils'
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export default defineComponent({
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inheritAttrs: false,
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props: {
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blurhash: {
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type: String,
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required: true,
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},
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src: {
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type: String,
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required: true,
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},
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},
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setup(props, { attrs }) {
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const placeholderSrc = ref<string>()
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const isLoaded = ref(false)
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onMounted(() => {
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const img = document.createElement('img')
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img.onload = () => {
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isLoaded.value = true
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}
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img.src = props.src
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if (props.blurhash) {
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const pixels = decode(props.blurhash, 32, 32)
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placeholderSrc.value = getDataUrlFromArr(pixels, 32, 32)
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}
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})
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return () => isLoaded.value || !placeholderSrc.value
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? h('img', { ...attrs, src: props.src })
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: h('img', { ...attrs, src: placeholderSrc.value })
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},
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})
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