| /** | |
| * Slash-command token detection for the chat form. Valid only at offset 0. | |
| */ | |
| export function findCommandToken( | |
| value: string | |
| ): { name: string; args: string; end: number } | null { | |
| if (!value.startsWith('/')) return null; | |
| const rest = value.slice(1); | |
| const spaceIdx = rest.search(/\s/); | |
| const name = spaceIdx === -1 ? rest : rest.slice(0, spaceIdx); | |
| const args = spaceIdx === -1 ? '' : rest.slice(spaceIdx + 1); | |
| return { args, end: value.length, name }; | |
| } | |
| /** | |
| * Stable signature of a slash-command token for use as a "dismissed" | |
| * marker: while the picker is closed and this exact token is still intact, | |
| * the picker does not re-open on in-token edits. | |
| */ | |
| export interface CommandDismissSnapshot { | |
| name: string; | |
| args: string; | |
| } | |
| export function takeCommandDismissSnapshot(value: string): CommandDismissSnapshot | null { | |
| const token = findCommandToken(value); | |
| if (!token) return null; | |
| return { args: token.args, name: token.name }; | |
| } | |