flagon-io/g1t

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Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)1d ago		1	import { type KeyboardEvent, type ReactNode, type RefObject, useId, useState } from "react";
		2
		3	import { useEmojiContext } from "./context";
		4	import { loadEmojiData, readTone, rememberRecent } from "./data";
		5	import { EmojiGlyph } from "./render";
		6	import { type EmojiData, type EmojiPick, searchEmoji, shortcodeQuery, skinned } from "../../lib/emoji";
		7
		8	/** Suggestions shown at once. */
		9	const SHOWN = 8;
		10
		11	type Match = { start: number; typed: string; options: EmojiPick[] };
		12
		13	/**
		14	* `:shortcode` completion for a text box. Typing `:` and two letters
		15	* offers emoji by name; Up and Down move, Tab or Enter take one, Escape
		16	* dismisses. A standard emoji goes in as the emoji itself; the workspace's
		17	* own as `:name:`, which messages draw as its image.
		18	*
		19	* Use: call `look()` after input and clicks, give `onKeyDown` the box's
		20	* key events first (it says whether it used one), render `menu` above the
		21	* box, and dismiss on blur.
		22	*/
		23	export function useEmojiAutocomplete({
		24	box,
		25	setText,
		26	}: {
		27	box: RefObject<HTMLTextAreaElement | HTMLInputElement | null>;
		28	setText: (text: string) => void;
		29	}): { menu: ReactNode; open: boolean; look: () => void; onKeyDown: (event: KeyboardEvent<HTMLElement>) => boolean; dismiss: () => void; listId: string; activeId: string | undefined } {
		30	const { customs, byName, usercontent } = useEmojiContext();
		31	const [match, setMatch] = useState<Match | null>(null);
		32	const [active, setActive] = useState(0);
		33	const list = useId();
		34
		35	const look = () => {
		36	const element = box.current;
		37	if (!element || element.selectionStart == null || element.selectionStart !== element.selectionEnd) return setMatch(null);
		38	const query = shortcodeQuery(element.value, element.selectionStart);
		39	if (!query) return setMatch(null);
		40	const show = (data: EmojiData | null) => {
		41	const options = searchEmoji(data, customs, query.typed, SHOWN);
		42	setMatch(options.length ? { ...query, options } : null);
		43	setActive(0);
		44	};
		45	// The workspace's own at once; the standard ones as soon as they load.
		46	show(null);
		47	void loadEmojiData()
		48	.then((data) => {
		49	const now = box.current;
		50	if (now && now.selectionStart != null && shortcodeQuery(now.value, now.selectionStart)?.typed === query.typed) show(data);
		51	})
		52	.catch(() => {});
		53	};
		54
		55	const take = (choice: EmojiPick) => {
		56	const element = box.current;
		57	if (!element || !match) return;
		58	const caret = element.selectionStart ?? match.start;
		59	const emoji = choice.kind === "unicode" ? skinned(choice, readTone()) : choice.emoji;
		60	rememberRecent(emoji);
		61	const next = `${element.value.slice(0, match.start)}${emoji} ${element.value.slice(caret)}`;
		62	setText(next);
		63	setMatch(null);
		64	requestAnimationFrame(() => {
		65	const at = match.start + emoji.length + 1;
		66	element.focus();
		67	element.setSelectionRange(at, at);
		68	});
		69	};
		70
		71	const onKeyDown = (event: KeyboardEvent<HTMLElement>): boolean => {
		72	if (!match) return false;
		73	const count = match.options.length;
		74	if (event.key === "ArrowDown" || event.key === "ArrowUp") {
		75	event.preventDefault();
		76	setActive((index) => (index + (event.key === "ArrowDown" ? 1 : count - 1)) % count);
		77	return true;
		78	}
		79	if ((event.key === "Tab" || event.key === "Enter") && !event.shiftKey) {
		80	event.preventDefault();
		81	take(match.options[active] ?? match.options[0]!);
		82	return true;
		83	}
		84	if (event.key === "Escape") {
		85	event.preventDefault();
		86	setMatch(null);
		87	return true;
		88	}
		89	return false;
		90	};
		91
		92	const menu = match ? (
		93	<ul
		94	id={list}
		95	role="listbox"
		96	aria-label="Emoji"
		97	className="absolute bottom-full left-0 z-20 mb-2 w-full max-w-sm overflow-hidden rounded-lg border border-line-strong bg-raised p-1 shadow-xl shadow-black/40"
		98	>
		99	<li role="presentation" className="px-2 pt-1 pb-1.5 text-[0.6875rem] font-semibold tracking-wide text-faint uppercase">
		100	Emoji matching :{match.typed}
		101	</li>
		102	{match.options.map((choice, index) => (
		103	<li
		104	key={choice.emoji}
		105	id={`${list}-${index}`}
		106	role="option"
		107	aria-selected={index === active}
		108	onMouseDown={(event) => event.preventDefault()}
		109	onMouseEnter={() => setActive(index)}
		110	onClick={() => take(choice)}
		111	className={`flex cursor-pointer items-center gap-2.5 rounded-md px-2 py-1.5 ${index === active ? "bg-line" : ""}`}
		112	>
		113	<span className="flex size-6 items-center justify-center">
		114	<EmojiGlyph emoji={choice.emoji} byName={byName} usercontent={usercontent} size={choice.kind === "custom" ? 22 : 18} />
		115	</span>
		116	<span className="min-w-0 grow truncate font-mono text-[0.8125rem] text-fg-soft">
		117	:{choice.kind === "custom" ? choice.name : (choice.code ?? choice.name)}:
		118	</span>
		119	{choice.kind === "custom" && <span className="text-[0.6875rem] text-faint">This workspace</span>}
		120	</li>
		121	))}
		122	</ul>
		123	) : null;
		124
		125	return {
		126	menu,
		127	open: match != null,
		128	look,
		129	onKeyDown,
		130	dismiss: () => setMatch(null),
		131	listId: list,
		132	activeId: match ? `${list}-${active}` : undefined,
		133	};
		134	}

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