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Add mentions to chat

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This commit is contained in:
dtonon 2026-05-13 16:20:27 +01:00
parent 05dd79f283
commit 2859f7069f
5 changed files with 540 additions and 390 deletions
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50
src/lib/components/ChatSidebar.svelte
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@ -9,6 +9,8 @@
import { auth, openLogin } from "$lib/auth.svelte";
import { withJoin } from "$lib/join.svelte";
import type { NostrUser } from "@nostr/gadgets/metadata";
import MentionAutocomplete from "$lib/components/MentionAutocomplete.svelte";
import ChatContent from "$lib/components/ChatContent.svelte";
type Props = {
expanded?: boolean;
@ -19,7 +21,7 @@
let asideEl: HTMLElement;
let listEl = $state<HTMLDivElement | null>(null);
let inputEl = $state<HTMLTextAreaElement | null>(null);
let inputEl = $state<MentionAutocomplete | null>(null);
let openMenuId = $state<string | null>(null);
let replyTarget = $state<ChatMessageData | null>(null);
let inputValue = $state("");
@ -29,6 +31,9 @@
const messages = $derived(chatStore.messages);
const profiles = $derived(chatStore.profiles);
// Distinct authors of loaded messages — power the @ autocomplete context.
const contextPubkeys = $derived([...new Set(messages.map((m) => m.pubkey))]);
function resolveAuthor(pubkey: string) {
const u: NostrUser | undefined = profiles[pubkey];
return {
@ -45,7 +50,9 @@
}
function truncate(s: string, n = 60) {
const t = s.replace(/\s+/g, " ").trim();
// Collapse mentions to @… so the preview stays readable.
const stripped = s.replace(/nostr:(?:npub1|nprofile1)[a-z0-9]+/gi, "@…");
const t = stripped.replace(/\s+/g, " ").trim();
return t.length > n ? t.slice(0, n) + "…" : t;
}
@ -137,14 +144,14 @@
<aside
bind:this={asideEl}
class="absolute right-0 top-2 h-[calc(100%-0.5rem)] z-10 flex flex-col rounded-tl-xl min-[1540px]:rounded-tr-xl bg-white transition-all duration-200
class="absolute top-2 right-0 z-10 flex h-[calc(100%-0.5rem)] flex-col rounded-tl-xl bg-white transition-all duration-200 min-[1540px]:rounded-tr-xl
{expanded ? 'w-150 shadow-2xl' : 'w-80 shadow-lg'} px-6 py-6"
>
<div class="flex shrink-0 items-center justify-between mb-6">
<span class="text-[1.5rem] text-brand leading-7">Chat</span>
<div class="mb-6 flex shrink-0 items-center justify-between">
<span class="text-brand text-[1.5rem] leading-7">Chat</span>
<button
onclick={onToggle}
class="rounded bg-neutral-100 hover:bg-neutral-200 transition-colors"
class="rounded bg-neutral-100 transition-colors hover:bg-neutral-200"
aria-label={expanded ? "Collapse chat" : "Expand chat"}
>
<svg
@ -171,10 +178,10 @@
<div
bind:this={listEl}
onscroll={onListScroll}
class="flex-1 overflow-y-auto flex flex-col -mr-6 pr-6"
class="-mr-6 flex flex-1 flex-col overflow-y-auto pr-6"
>
{#if messages.length === 0}
<div class="m-auto text-center text-sm text-neutral-400 py-8">
<div class="m-auto py-8 text-center text-sm text-neutral-400">
No messages yet.
</div>
{:else}
@ -184,7 +191,7 @@
{@const parent = msg.replyToId ? getChatMessage(msg.replyToId) : null}
{@const parentAuthor = parent ? resolveAuthor(parent.pubkey) : null}
<div>
<div class="flex items-center gap-2 mb-1">
<div class="mb-1 flex items-center gap-2">
{#if author.picture}
<img
src={author.picture}
@ -193,7 +200,7 @@
/>
{:else}
<span
class="h-6 w-6 shrink-0 rounded-full bg-neutral-200 flex items-center justify-center text-xs font-semibold text-neutral-500"
class="flex h-6 w-6 shrink-0 items-center justify-center rounded-full bg-neutral-200 text-xs font-semibold text-neutral-500"
>
{author.name[0].toUpperCase()}
</span>
@ -216,10 +223,8 @@
{/if}
</div>
{/if}
<p
class="text-neutral-700 leading-5 whitespace-pre-wrap break-words"
>
{msg.content}
<p class="leading-5 text-neutral-700">
<ChatContent content={msg.content} {profiles} />
</p>
<div class="mt-0.5 flex items-center gap-2">
<div class="relative ml-auto">
@ -228,7 +233,7 @@
e.stopPropagation();
openMenuId = openMenuId === msg.id ? null : msg.id;
}}
class="flex items-center justify-center rounded p-0.5 text-neutral-300 hover:text-neutral-500 hover:bg-neutral-100 transition-colors"
class="flex items-center justify-center rounded p-0.5 text-neutral-300 transition-colors hover:bg-neutral-100 hover:text-neutral-500"
aria-label="Message actions"
>
<svg
@ -244,7 +249,7 @@
</button>
{#if openMenuId === msg.id}
<div
class="absolute right-0 bottom-6 z-20 w-36 rounded-lg border border-neutral-100 bg-white py-1 shadow-lg text-sm"
class="absolute right-0 bottom-6 z-20 w-36 rounded-lg border border-neutral-100 bg-white py-1 text-sm shadow-lg"
>
<button
onclick={(e) => {
@ -271,7 +276,7 @@
<div
class="mb-2 flex items-start gap-2 rounded bg-neutral-50 px-2 py-1.5 text-xs text-neutral-600"
>
<div class="flex-1 min-w-0">
<div class="min-w-0 flex-1">
<span class="text-neutral-400">↳ Reply to </span>
<span class="font-medium">{replyAuthor.name}</span>:
<span class="text-neutral-500"
@ -289,19 +294,20 @@
{/if}
{#if sendError}
<div
class="mb-2 rounded bg-red-50 px-2 py-1.5 text-xs text-red-700 border border-red-200"
class="mb-2 rounded border border-red-200 bg-red-50 px-2 py-1.5 text-xs text-red-700"
>
{sendError}
</div>
{/if}
<textarea
<MentionAutocomplete
bind:this={inputEl}
bind:value={inputValue}
onkeydown={onKeydown}
rows="1"
rows={1}
disabled={sending}
placeholder={auth.user ? "Message..." : "Login to send messages"}
class="w-full resize-none rounded border border-neutral-200 px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-brand disabled:opacity-50"
></textarea>
{contextPubkeys}
textareaClass="w-full resize-none rounded border border-neutral-200 px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-brand disabled:opacity-50"
/>
</div>
</aside>