Method linkSync

lib/internal/vfs/providers/memory.js:823–851

(existingPath, newPath)

  }

  linkSync(existingPath, newPath) {
    if (this.readonly) {
      throw createEROFS('link', newPath);
    }

    const normalizedExisting = this.#normalizePath(existingPath);
    const normalizedNew = this.#normalizePath(newPath);

    const entry = this.#getEntry(normalizedExisting, 'link', true);
    if (!entry.isFile()) {
      // Hard links to directories are not supported
      throw createEINVAL('link', existingPath);
    }

    // Check if new path already exists
    const existing = this.#lookupEntry(normalizedNew, false);
    if (existing.entry) {
      throw createEEXIST('link', newPath);
    }

    const parent = this.#ensureParent(normalizedNew, false, 'link');
    const name = pathPosix.basename(normalizedNew);
    // Hard link: same entry object referenced by both names
    parent.children.set(name, entry);
    entry.nlink++;
    const now = DateNow();
    parent.mtime = now;
    parent.ctime = now;
  }

  async link(existingPath, newPath) {
    this.linkSync(existingPath, newPath);