mirror of
https://github.com/elk-zone/elk.git
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106 lines
2.5 KiB
Vue
106 lines
2.5 KiB
Vue
<script setup lang="ts">
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import { fileOpen } from 'browser-fs-access'
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import type { FileWithHandle } from 'browser-fs-access'
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const props = withDefaults(defineProps<{
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/** The image src before change */
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original?: string
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/** Allowed file types */
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allowedFileTypes?: string[]
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/** Allowed file size */
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allowedFileSize?: number
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imgClass?: string
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loading?: boolean
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}>(), {
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allowedFileTypes: () => ['image/jpeg', 'image/png'],
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allowedFileSize: 1024 * 1024 * 5, // 5 MB
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})
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const emit = defineEmits<{
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(event: 'pick', value: FileWithHandle): void
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(event: 'error', code: number, message: string): void
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}>()
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const file = defineModel<FileWithHandle | null>()
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const { t } = useI18n()
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const defaultImage = computed(() => props.original || '')
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/** Preview of selected images */
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const previewImage = ref('')
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/** The current images on display */
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const imageSrc = computed<string>(() => previewImage.value || defaultImage.value)
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async function pickImage() {
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if (import.meta.server)
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return
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const image = await fileOpen({
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description: 'Image',
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mimeTypes: props.allowedFileTypes,
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})
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if (!props.allowedFileTypes.includes(image.type)) {
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emit('error', 1, t('error.unsupported_file_format'))
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return
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}
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else if (image.size > props.allowedFileSize) {
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emit('error', 2, t('error.file_size_cannot_exceed_n_mb', [5]))
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return
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}
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file.value = image
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emit('pick', file.value)
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}
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watch(file, (image, _, onCleanup) => {
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let expired = false
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onCleanup(() => expired = true)
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if (!image) {
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previewImage.value = ''
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return
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}
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const reader = new FileReader()
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reader.readAsDataURL(image)
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reader.onload = (evt) => {
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if (expired)
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return
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previewImage.value = evt.target?.result as string
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}
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})
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</script>
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<template>
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<label
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class="bg-slate-500/10 focus-within:(outline outline-primary)"
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relative
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flex justify-center items-center
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cursor-pointer
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of-hidden
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@click="pickImage"
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>
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<img
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v-if="imageSrc"
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:src="imageSrc"
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:class="imgClass || ''"
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object-cover
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w-full
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h-full
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>
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<span absolute bg="black/50" text-white rounded-full text-xl w12 h12 flex justify-center items-center hover="bg-black/40 text-primary">
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<span block i-ri:upload-line />
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</span>
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<span
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v-if="loading"
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absolute inset-0
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bg="black/30" text-white
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flex justify-center items-center
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>
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<span class="animate-spin animate-duration-[2.5s] preserve-3d">
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<span block i-ri:loader-4-line text-4xl />
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</span>
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</span>
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</label>
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</template>
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