src/lib/components/LoginModal.svelte

<script lang="ts">
	import { browser } from "$app/environment";
	import { base } from "$app/paths";
	import { page } from "$app/stores";
	import { PUBLIC_APP_DATA_SHARING, PUBLIC_APP_NAME, PUBLIC_VERSION } from "$env/static/public";
	import LogoHuggingFaceBorderless from "$lib/components/icons/LogoHuggingFaceBorderless.svelte";
	import Modal from "$lib/components/Modal.svelte";
	import type { LayoutData } from "../../routes/$types";
	import Logo from "./icons/Logo.svelte";
	export let settings: LayoutData["settings"];

	const isIframe = browser && window.self !== window.parent;
</script>

<Modal>
	<div
		class="flex w-full flex-col items-center gap-6 bg-gradient-to-t from-primary-500/40 via-primary-500/10 to-primary-500/0 px-4 pb-10 pt-9 text-center"
	>
		<h2 class="flex items-center text-2xl font-semibold text-gray-800">
			<Logo classNames="mr-1" />
			{PUBLIC_APP_NAME}
			<div
				class="ml-3 flex h-6 items-center rounded-lg border border-gray-100 bg-gray-50 px-2 text-base text-gray-400"
			>
				v{PUBLIC_VERSION}
			</div>
		</h2>
		{#if $page.data.requiresLogin}
			<p
				class="px-4 text-lg font-semibold leading-snug text-gray-800 sm:px-12"
				style="text-wrap: balance;"
			>
				Please Sign in with Hugging Face to continue
			</p>
		{/if}
		<p class="text-base text-gray-800">
			Disclaimer: AI is an area of active research with known problems such as biased generation and
			misinformation. Do not use this application for high-stakes decisions or advice.
		</p>
		{#if PUBLIC_APP_DATA_SHARING}
			<p class="px-2 text-sm text-gray-500">
				Your conversations will be shared with model authors unless you disable it from your
				settings.
			</p>
		{/if}
		<form
			action="{base}/{$page.data.requiresLogin ? 'login' : 'settings'}"
			target={isIframe ? "_blank" : ""}
			method="POST"
			class="flex w-full flex-col items-center gap-2"
		>
			{#if $page.data.requiresLogin}
				<button
					type="submit"
					class="mt-2 flex items-center whitespace-nowrap rounded-full bg-black px-5 py-2 text-lg font-semibold text-gray-100 transition-colors hover:bg-primary-500"
				>
					Sign in
					{#if PUBLIC_APP_NAME === "HuggingChat"}
						with <LogoHuggingFaceBorderless classNames="text-xl mr-1 ml-1.5" /> Hugging Face
					{/if}
				</button>
			{:else}
				<input type="hidden" name="ethicsModalAccepted" value={true} />
				{#each Object.entries(settings) as [key, val]}
					<input type="hidden" name={key} value={val} />
				{/each}
				<button
					type="submit"
					class="mt-2 rounded-full bg-black px-5 py-2 text-lg font-semibold text-gray-100 transition-colors hover:bg-primary-500"
				>
					Start chatting
				</button>
			{/if}
		</form>
	</div>
</Modal>