room.ts

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`32796e53` 2026-03-16 Pavel Safronov	1	import { PUBLIC_SETTINGS } from '../public_settings';
`9fda5271` 2026-03-16 Pavel Safronov	2
`36d64b37` 2026-03-15 Pavel Safronov	3	const ROOM_KEY_PATTERN = /^[A-Za-z0-9_-]+$/;
	4
`b4e7f682` 2026-03-16 Pavel Safronov	5	export const buildRoomHash = (nextRoomId: string, nextRoomKeyBase64: string \| null = null) => {
`36d64b37` 2026-03-15 Pavel Safronov	6	const keyPart = nextRoomKeyBase64 ? `.${nextRoomKeyBase64}` : '';
	7	return `${nextRoomId}${keyPart}`;
	8	};
	9
`b4e7f682` 2026-03-16 Pavel Safronov	10	export const parseRoomFromHash = (hashValue: string) => {
`36d64b37` 2026-03-15 Pavel Safronov	11	const normalizedHash = (hashValue \|\| '').startsWith('#') ? hashValue.slice(1) : (hashValue \|\| '');
`9fda5271` 2026-03-16 Pavel Safronov	12	const compactMatch = normalizedHash.match(new RegExp(`^([a-z0-9]{${PUBLIC_SETTINGS.room.idLength}})(?:\\.([A-Za-z0-9_-]+))?$`));
`36d64b37` 2026-03-15 Pavel Safronov	13	if (!compactMatch) return null;
	14
	15	const roomValue = compactMatch[1];
	16	const keyValue = compactMatch[2] \|\| null;
	17	if (keyValue && !ROOM_KEY_PATTERN.test(keyValue)) return null;
	18	return { roomId: roomValue, roomKeyBase64: keyValue };
	19	};