feat(layout): announcement feature

3 files changed, 48 insertions, 0 deletions

diff --git a/src/lib/Announcement.svelte b/src/lib/Announcement.svelte
new file mode 100644
index 00000000..13e5622a
--- /dev/null
+++ b/src/lib/Announcement.svelte
@@ -0,0 +1,33 @@
+<script lang="ts">
+	import Popup from './Popup.svelte';
+	import announcementHash from '$stores/announcementHash';
+	import { env } from '$env/dynamic/public';
+
+	const announcement = env.PUBLIC_ANNOUNCEMENT;
+	const dismissButton = env.PUBLIC_ANNOUNCEMENT_DISMISS;
+
+	const hash = (s: string) =>
+		s
+			.split('')
+			.reduce((previous, current) => ((previous << 5) - previous + current.charCodeAt(0)) | 0, 0);
+
+	const dismiss = () => {
+		if (announcement) announcementHash.set(hash(announcement));
+	};
+</script>
+
+{#if announcement && $announcementHash !== hash(announcement) && $announcementHash !== 0}
+	<Popup fullscreen onLeave={dismiss}>
+		{announcement}
+
+		<p />
+
+		<button on:click={dismiss} class="dismiss">{dismissButton || 'Dismiss'}</button>
+	</Popup>
+{/if}
+
+<style>
+	.dismiss {
+		float: right;
+	}
+</style>
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index d5409f9a..98544a75 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -25,6 +25,7 @@
 	import subtitles from '$lib/Data/Static/subtitles.json';
 	import settingsSyncPulled from '$stores/settingsSyncPulled';
 	import settingsSyncTimes from '$stores/settingsSyncTimes';
+	import Announcement from '$lib/Announcement.svelte';
 
 	injectSpeedInsights();
 
@@ -117,6 +118,8 @@
 
 <HeadTitle />
 
+<Announcement />
+
 <div class="container">
 	<div class="card card-centered header">
 		<div>
diff --git a/src/stores/announcementHash.ts b/src/stores/announcementHash.ts
new file mode 100644
index 00000000..4a44d670
--- /dev/null
+++ b/src/stores/announcementHash.ts
@@ -0,0 +1,12 @@
+import { browser } from '$app/environment';
+import { writable } from 'svelte/store';
+
+const announcementHash = writable<number>(
+	browser ? parseInt(localStorage.getItem('announcementHash') || '1') : 0
+);
+
+announcementHash.subscribe((value) => {
+	if (browser) localStorage.setItem('announcementHash', value.toString());
+});
+
+export default announcementHash;