Method cacheLink

lib/link-detector.ts:113–140

* Cache a link for fast lookup

(link: ILink)

   * Cache a link for fast lookup
   */
  private cacheLink(link: ILink): void {
    // Try to get hyperlink_id for this link
    const { start } = link.range;
    const line = this.terminal.buffer.active.getLine(start.y);
    if (line) {
      const cell = line.getCell(start.x);
      if (!cell) {
        // Fallback: cache by position range
        const { start: s, end: e } = link.range;
        const cacheKey = `r${s.y}:${s.x}-${e.x}`;
        this.linkCache.set(cacheKey, link);
        return;
      }
      const hyperlinkId = cell.getHyperlinkId();

      if (hyperlinkId > 0) {
        // Cache by hyperlink_id (best case - stable across rows)
        this.linkCache.set(`h${hyperlinkId}`, link);
        return;
      }
    }

    // Fallback: cache by position range
    // Format: r${row}:${startX}-${endX}
    const { start: s, end: e } = link.range;
    const cacheKey = `r${s.y}:${s.x}-${e.x}`;
    this.linkCache.set(cacheKey, link);
  }

  /**
   * Check if a position is within a link's range