From 50f9c3c71a598ce10ad3191155b2cca25cfbf7b2 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Fri, 17 Feb 2023 12:32:49 -0800
Subject: animate

---
 src/routes/(app)/[username]/messages/+page.svelte | 38 +++++++++++++++++++----
 1 file changed, 32 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/routes/(app)/[username]/messages/+page.svelte b/src/routes/(app)/[username]/messages/+page.svelte
index 1e0336f3..a6b7005f 100644
--- a/src/routes/(app)/[username]/messages/+page.svelte
+++ b/src/routes/(app)/[username]/messages/+page.svelte
@@ -1,8 +1,9 @@
 <script>
+	import { cubicInOut } from 'svelte/easing';
 	import { browser } from '$app/environment';
 	import { t } from '$lib/translations';
 	import { format, parseISO } from 'date-fns';
-	import { scale, fade } from 'svelte/transition';
+	import { scale, fade, fly } from 'svelte/transition';
 	import { enhance } from '$app/forms';
 	import { Avatar, Icon } from '$comp';
 	import { back, fail, focus } from '$lib/utils';
@@ -13,6 +14,22 @@
 
 	export let data;
 
+	function fadeScale(node, { delay = 0, duration = 200, easing = (x) => x, baseScale = 0 }) {
+		const o = +getComputedStyle(node).opacity;
+		const m = getComputedStyle(node).transform.match(/scale\(([0-9.]+)\)/);
+		const s = m ? m[1] : 1;
+		const is = 1 - baseScale;
+
+		return {
+			delay,
+			duration,
+			css: (t) => {
+				const eased = easing(t);
+				return `opacity: ${eased * o}; transform: scale(${eased * s * is + baseScale})`;
+			}
+		};
+	}
+
 	let { messages, subject, user } = data;
 	let input, pane;
 
@@ -53,15 +70,17 @@
 		tick().then(() => pane && (pane.scrollTop = pane.scrollHeight));
 
 		try {
-			event.content = await encrypt({ message, recipient: subject.pubkey, user });
 			event.author = user;
 			event.recipient = subject;
-			await sign({ event, user });
-			await send(event);
+
 			messages.push(event);
 			messages = messages;
 			tick().then(() => pane && (pane.scrollTop = pane.scrollHeight));
 
+			event.content = await encrypt({ message, recipient: subject.pubkey, user });
+			await sign({ event, user });
+			await send(event);
+
 			sent = true;
 		} catch (e) {
 			console.log(e);
@@ -87,7 +106,10 @@
 					class="flex gap-2"
 					class:flex-row-reverse={theirs}
 					class:justify-end={theirs}
-					in:fade={{ duration: 150 }}
+					in:fadeScale={{
+						easing: cubicInOut,
+						baseScale: 0.5
+					}}
 				>
 					<div
 						class="rounded-2xl px-4 py-2 max-w-[300px] mb-1 text-lg"
@@ -109,10 +131,14 @@
 		{/each}
 	</div>
 
-	<form method="POST" class="space-y-5" on:submit|preventDefault={submit}>
+	<form method="POST" class="space-y-5 relative" on:submit|preventDefault={submit}>
 		<input type="hidden" name="requester_id" value={user.id} />
 		<input type="hidden" name="recipient" value={subject.username} />
 
+		<button type="submit" class="absolute right-2 bottom-2">
+			<Icon icon="send" style="w-10" />
+		</button>
+
 		<input
 			use:focus
 			name="message"
-- 
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