Function findAtToken

src/ui/components/InputBox.tsx:41–46

The `@token` being typed at the cursor, if any.

(value: string, cursor: number)

/** The `@token` being typed at the cursor, if any. */
function findAtToken(value: string, cursor: number): { query: string; start: number } | null {
	const before = value.slice(0, cursor)
	const match = /(?:^|\s)@([^\s@]*)$/.exec(before)
	if (!match) return null
	return { query: match[1], start: cursor - match[1].length - 1 }
}

export function InputBox({ active, slashCommands, onSubmit }: InputBoxProps) {
	const [value, setValue] = useState("")