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DataSchema class (gallery-dataschema-class) on cdn

Last Updated: 02/9/11

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Luke Smith

YUI Contributor

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Created: 12/15/09
Last CDN Push: 01/13/10
Build Tag: gallery-2010.01.13-20
Project: YUI 3
License: YUI BSD
YUI Version: 3.3.0
Free for use.

Replaces the current Y.DataSchema namespace object with a class constructor. Does not impact the operation of other DataSchema modules. Allows a schema to be coupled with its appropriate parser implementation for convenient reuse rather than needing to pass a separately stored schema object to the static implemenations' apply(schema, data) method.

Before:
var schema = { ... };

var recs = Y.DataSchema.JSON.apply(schema, data);
var moreRecs = Y.DataSchema.JSON.apply(schema, data2);

With this module:
var parser = new Y.DataSchema({ type: 'json', schema: { ... } });

var recs = parser.apply(data);
var moreRecs = parser.apply(data2);

Code Sample

<script src="http://yui.yahooapis.com/3.3.0/build/yui/yui-min.js"></script>

YUI({
    //Last Gallery Build of this module
    gallery: 'gallery-2010.01.13-20'
}).use('io-base', 'gallery-dataschema-class', function(Y) {
 
    var parser = new Y.DataSchema({
        type: 'json',
        schema: {
            resultListLocator: 'recs',
            resultFields: [
                { key: 'id' },
                { key: 'first_name' },
                { key: 'last_name' }
            ]
        }
    });
 
    Y.io(url, { on: {
        success: function (id, o) {
            data = parser.apply(o.responseText);
 
            Y.log(data.results.length);
        }
    }});
});

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