Emoji Picker

1<script lang="ts">
2	import { cn } from '$UTILS$';
3	import { tick } from 'svelte';
4	import {
5		Clock,
6		Smile,
7		Hand,
8		Leaf,
9		Coffee,
10		Dumbbell,
11		Plane,
12		Lightbulb,
13		Hash,
14		Flag,
15		Search,
16		X
17	} from '@lucide/svelte';
18	import {
19		emojiCategories,
20		applySkinTone,
21		SKIN_TONES,
22		type Emoji,
23		type EmojiCategoryId
24	} from './emoji-data';
25
26	let {
27		value = $bindable(''),
28		skinTone = $bindable(0),
29		recents = $bindable<string[]>([]),
30		columns = 9,
31		maxRecents = 18,
32		showSearch = true,
33		showCategories = true,
34		showSkinTones = true,
35		showRecents = true,
36		showPreview = true,
37		persistKey = 'more-shadcn:emoji',
38		searchPlaceholder = 'Search emoji...',
39		class: className,
40		onSelect,
41		...rest
42	}: {
43		value?: string;
44		skinTone?: number;
45		recents?: string[];
46		columns?: number;
47		maxRecents?: number;
48		showSearch?: boolean;
49		showCategories?: boolean;
50		showSkinTones?: boolean;
51		showRecents?: boolean;
52		showPreview?: boolean;
53		/** Set to `null` to disable persisting recents and the skin tone. */
54		persistKey?: string | null;
55		searchPlaceholder?: string;
56		class?: string;
57		onSelect?: (emoji: string, data: Emoji) => void;
58		[key: string]: unknown;
59	} = $props();
60
61	const CATEGORY_ICONS: Record<EmojiCategoryId, typeof Smile> = {
62		recent: Clock,
63		smileys: Smile,
64		people: Hand,
65		nature: Leaf,
66		food: Coffee,
67		activity: Dumbbell,
68		travel: Plane,
69		objects: Lightbulb,
70		symbols: Hash,
71		flags: Flag
72	};
73
74	/** Base character -> emoji, so stored recents can be resolved back to data. */
75	const byChar = new Map<string, Emoji>(
76		emojiCategories.flatMap((c) => c.emojis.map((e) => [e.e, e] as const))
77	);
78
79	let query = $state('');
80	let hovered = $state<Emoji | null>(null);
81	let activeIndex = $state(-1);
82	let activeCategory = $state<EmojiCategoryId>('smileys');
83	let tonesOpen = $state(false);
84	let hydrated = $state(false);
85
86	let scrollRef = $state<HTMLDivElement | null>(null);
87	let sectionRefs: Partial<Record<EmojiCategoryId, HTMLDivElement>> = {};
88
89	const recentEmojis = $derived(
90		recents.map((char) => byChar.get(char)).filter((e): e is Emoji => Boolean(e))
91	);
92
93	const sections = $derived.by(() => {
94		const needle = query.trim().toLowerCase();
95
96		if (needle) {
97			const matches = emojiCategories.flatMap((category) =>
98				category.emojis.filter(
99					(emoji) => emoji.n.includes(needle) || emoji.k?.includes(needle) || emoji.e === needle
100				)
101			);
102// … truncated