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<script lang="ts">
import saveFile from '$lib/ts/download'
import type { TruncateRequest, TruncateResponse } from '$lib/types/truncate-worker'
import 'iconify-icon'
import { FileDropzone, ProgressBar } from '@skeletonlabs/skeleton'
import { onDestroy, onMount } from 'svelte'
let disableInput = false
let files: FileList
let form: HTMLFormElement
let worker: Worker
$: truncateTo = 1
let originalName: string
function onUpload() {
disableInput = true
originalName = files[0].name
worker.postMessage({
file: files[0],
size: truncateTo,
} as TruncateRequest)
}
onMount(async () => {
worker = new Worker(new URL('$lib/ts/truncate.worker.ts', import.meta.url), { type: 'module' })
worker.onmessage = async (e: MessageEvent<TruncateResponse>) => {
await saveFile(e.data.file, `trunc-${originalName}`).catch((e) => console.error(e))
disableInput = false
form.reset()
truncateTo = 1
}
})
onDestroy(() => {
worker?.terminate()
})
</script>
<svelte:head>
<title>Truncate</title>
</svelte:head>
<div class="container h-full mx-auto flex justify-center items-center">
<div class="space-y-10 text-center flex flex-col items-center">
<form
bind:this={form}
on:submit|preventDefault={onUpload}
method="POST"
action="?/TODO"
enctype="multipart/form-data"
>
<noscript>
<h3 class="h3">You need JavaScript to use this page, for now ;)</h3>
<br />
</noscript>
<label class="label" for="truncateMe">
<div class="space-y-4 w-full">
<FileDropzone
id="truncateMe"
name="truncateMe"
bind:files
on:change={() => form.requestSubmit()}
required
disabled={disableInput}
>
<svelte:fragment slot="lead">
<div class="flex justify-center items-center">
<iconify-icon icon="carbon:file-storage" width="50" />
</div>
</svelte:fragment>
<svelte:fragment slot="meta">Drop a file here to truncate it.</svelte:fragment>
</FileDropzone>
</div>
</label>
<br />
<label class="label">
<span>Truncate up to... (in bytes)</span>
<input
class="input"
type="number"
name="truncateTo"
bind:value={truncateTo}
min="1"
required
/>
</label>
<br />
<noscript>
<br />
<button type="submit" class="btn variant-filled" disabled>
After adding a file, click to submit! (Not yet implemented)
</button>
</noscript>
{#if disableInput}
<h3 class="h3">Truncating the file, this may take time!</h3>
<br />
<ProgressBar />
{/if}
</form>
</div>
</div>
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