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Re: How to represent at key-value map in WebIDL

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Wed, 13 Feb 2013 10:17:52 -0500
Message-ID: <511BAEA0.90903@mit.edu>
To: public-script-coord@w3.org
On 2/13/13 10:06 AM, Adam Bergkvist wrote:
> What is the correct way to represent a key-value map in WebIDL that is
> to be returned from a function?

Is this a key-value map with an unbounded set of possible keys?  If so,

> 1) A regular JavaScript object. If so, is there anything from WebIDL i
> can use to describe that object?

Nothing, no.  You'd have to just describe it in prose.

This has come up a few times; it might be good to add a WebIDL type for 

> 2) Define an interface with a getter T (DOMString propName) and describe
> in text the procedure to find out if propName is valid and how to order
> all names.

This would work too, yes.

Which one you want depends on how you want things like script changing 
the map to work...

Received on Wednesday, 13 February 2013 15:18:25 UTC

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