Last modified: 2008-02-07 01:58:57 UTC

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Bug 12951 - format=jsonvar
Product: MediaWiki
Classification: Unclassified
API (Other open bugs)
All All
: Normal enhancement (vote)
: ---
Assigned To: Nobody - You can work on this!
Depends on:
  Show dependency treegraph
Reported: 2008-02-07 01:34 UTC by Andrew Dunbar
Modified: 2008-02-07 01:58 UTC (History)
1 user (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Description Andrew Dunbar 2008-02-07 01:34:19 UTC
Current api.php returns JSON as an anonymous object. This works great when accessing api.php via Ajax.

It does not work for accessing api.php via the <script> tag.

The reason for accessing api.php via the <script> tag is because it is not subject to the same-domain security policy. It would provide a way to access from This is not possible with Ajax / XmlHttpRequest.

Most people think of the <script> tag as a way to import executable JavaScript code, but it can just as well include data in the form of a variable declaration.

Api.php in its current form is not usable for this since the JavaScript returned via JSON is not a valid JavaScript statement on its own:

{ "query": { "pages": { ... } } } }

But it can be trivially transformed into an independent statement thus:

var wgApiJsonResult = { "query": { "pages": { ... } } } };

Ideally an implementation would take as a parameter the variable name to assign to, but a standard variable name could easily be reused  if this is nontrivial to achieve.
Comment 1 Brion Vibber 2008-02-07 01:44:04 UTC
Isn't the typical way of doing this to specify a json callback function, which I believe is already supported?
Comment 2 Andrew Dunbar 2008-02-07 01:58:57 UTC
Thanks Brion I think that's just what I need. The api.php documentation is so minimal it's easy to miss things.

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