Method removeEntry

src/generic/key_value_filesystem.ts:588–624

* Remove all traces of the given path from the file system. * @param p The path to remove from the file system. * @param isDir Does the path belong to a directory, or a file? * @todo Update mtime.

(p: string, isDir: boolean)

   * @todo Update mtime.
   */
  private removeEntry(p: string, isDir: boolean): void {
    const tx = this.store.beginTransaction('readwrite'),
      parent: string = path.dirname(p),
      parentNode = this.findINode(tx, parent),
      parentListing = this.getDirListing(tx, parent, parentNode),
      fileName: string = path.basename(p);

    if (!parentListing[fileName]) {
      throw ApiError.ENOENT(p);
    }

    // Remove from directory listing of parent.
    const fileNodeId = parentListing[fileName];
    delete parentListing[fileName];

    // Get file inode.
    const fileNode = this.getINode(tx, p, fileNodeId);
    if (!isDir && fileNode.isDirectory()) {
      throw ApiError.EISDIR(p);
    } else if (isDir && !fileNode.isDirectory()) {
      throw ApiError.ENOTDIR(p);
    }

    try {
      // Delete data.
      tx.del(fileNode.id);
      // Delete node.
      tx.del(fileNodeId);
      // Update directory listing.
      tx.put(parentNode.id, Buffer.from(JSON.stringify(parentListing)), true);
    } catch (e) {
      tx.abort();
      throw e;
    }
    // Success.
    tx.commit();
  }
}

/**