Function replaceRange

src/cli/components/editor-logic.ts:53–57

(text: string, from: number, to: number, s: string)

/** Replace the range [from,to) with `s`. Returns text + cursor after the inserted text. */
export function replaceRange(text: string, from: number, to: number, s: string): { text: string; cursor: number } {
  const a = Math.max(0, Math.min(from, to));
  const b = Math.min(text.length, Math.max(from, to));
  return { text: text.slice(0, a) + s + text.slice(b), cursor: a + s.length };
}

/**
 * Ink delivers a terminal paste as a single multi-character burst in ONE useInput