Method imageRefStartingAt

src/utils/Cursor.ts:330–333

(offset: number)

  }

  imageRefStartingAt(offset: number): { start: number; end: number } | null {
    const m = this.text.slice(offset).match(/^\[Image #\d+\]/)
    return m ? { start: offset, end: offset + m[0].length } : null
  }

  /**
   * If offset lands strictly inside an [Image #N] chip, snap it to the given