> after reading the Database API thread<https://groups.google.com/forum/#!topic/nodejs/9a15xYx28Yc>,
> I was wondering if there was any interest in building a set of default
> interfaces for node packages. The most compelling advantages:

>    - *Libraries are interchangeable*: You can use a file-based database
>    while developing (eg. SQLite) and switch to another solution (with more
>    space, better performance etc.) by changing a single require statement.
>    - *Libraries only need to implement a subset of functionality*:
>    Escaping SQL queries is a common task for SQL libraries. This could be done
>    by the interface package, so that any implementing package only needs to
>    provide a function for running raw SQL statements (with a well-known name).
>    When the database has a more efficient way of performing a task, the
>    library can simply overwrite the provided functions.

> This is not limited to databases: Another cool area would be file-access.
> A single interface providing a couple of asynchronous methods could be used
> to not only access the local file-system, but also FTP & WebDAV servers,
> Dropbox, iCloud & GDrive accounts and even Bittorrent files.

> Someone implementing a module for syncing files could rely on that
> interface and allow users to simply throw in two instances of the interface
> and do it's job without caring about any underlying architecture. The
> interface would abstract eg. watching for changes.

> Of course, the library can add special behavior for more efficient
> transfers (eg. between FTP servers using FXP<http://en.wikipedia.org/wiki/File_eXchange_Protocol>),
> but that's only optional.

> I imagine interfaces to be similar to ES6's proxies: Functions that aren't
> provided directly are provided using the other functions, as long as that's
> possible. Besides, they can use util.inherits (or, for CS users, the
> extends keyword), so that they can be implemented by adding a dependency
> and inheriting from it.

> Of course, this concept needs to be promoted and I'm definitely not the
> right guy for that task (living in Germany, using node only for fun, never
> attended a conference etc.), but I would love to work on some of the
> default interfaces (especially the two mentioned above).

> Any thoughts?

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