| import { ASK_CUT_NOTE } from './ask-cut-note' | |
| /** | |
| * An armed ask's text as it fits in the room a prompt's context has left: | |
| * whole when it fits, else its first lines and ASK_CUT_NOTE. | |
| * | |
| * @param text the armed ask's text | |
| * @param room the characters the context has left | |
| * @returns the text to attach, or undefined when not even its first line fits | |
| */ | |
| export function fittedAskTextOf( | |
| text: string, | |
| room: number, | |
| ): string | undefined { | |
| if (text.length <= room) { | |
| return text | |
| } | |
| const kept: string[] = [] | |
| let used = ASK_CUT_NOTE.length | |
| for (const line of text.split('\n')) { | |
| const cost = line.length + 1 | |
| if (used + cost > room) { | |
| break | |
| } | |
| kept.push(line) | |
| used += cost | |
| } | |
| const hasBody = kept.length > 1 | |
| return hasBody ? `${kept.join('\n')}\n${ASK_CUT_NOTE}` : undefined | |
| } | |