restructuring (#56)

* restructuring

* pin svelte kit version & parallel execution

* update svelte kit

* correct test result assets

* add timeout

* correct locale path

* simplify crypto

* fix for #58

* add verbosity flag

* disable flaky test

packages/frontend/src/lib/ui/FileUpload.svelte

@@ -0,0 +1,78 @@
+<script lang="ts">
+	import { t } from 'svelte-intl-precompile'
+
+	import type { FileDTO } from '$lib/api'
+	import Button from '$lib/ui/Button.svelte'
+	import MaxSize from '$lib/ui/MaxSize.svelte'
+
+	export let label: string = ''
+	export let files: FileDTO[] = []
+
+	function fileToDTO(file: File): FileDTO {
+		return {
+			name: file.name,
+			size: file.size,
+			type: file.type,
+			contents: file,
+		}
+	}
+
+	async function onInput(e: Event) {
+		const input = e.target as HTMLInputElement
+		if (input?.files?.length) {
+			files = [...files, ...Array.from(input.files).map(fileToDTO)]
+		}
+	}
+
+	function clear(e: Event) {
+		e.preventDefault()
+		files = []
+	}
+</script>
+
+<label>
+	<small>
+		{label}
+	</small>
+	<input {...$$restProps} type="file" on:change={onInput} multiple />
+	<div class="box">
+		{#if files.length}
+			<div>
+				<b>{$t('file_upload.selected_files')}</b>
+				{#each files as file}
+					<div class="file">
+						{file.name}
+					</div>
+				{/each}
+				<div class="spacer" />
+				<Button on:click={clear}>Clear</Button>
+			</div>
+		{:else}
+			<div>
+				<b>{$t('file_upload.no_files_selected')}</b>
+				<br />
+				<small>
+					{$t('common.max')}: <MaxSize />
+				</small>
+			</div>
+		{/if}
+	</div>
+</label>
+
+<style>
+	input {
+		display: none;
+	}
+
+	.box {
+		display: flex;
+		flex-direction: column;
+		justify-content: center;
+		align-items: center;
+		cursor: pointer;
+	}
+
+	.spacer {
+		margin-top: 1rem;
+	}
+</style>