4:223997f08b4c
Anton Shestakov <engored@ya.ru>, Wed, 05 Dec 2012 02:45:25 +0900
Docs.

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README.rst

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Overview
========
Backbone.Shard is a variation on a Subset taken from different perspective.
Shard was built as a simple "persistent filter" for collections; it can
help grouping and displaying items of certain kind based on your filter
function. I know it works for me, but your mileage may vary.
Usage
=====
It's easy if you're familiar with Backbone.Collection since Shard shares
with it most of the methods marked **Underscore methods** in the
`documentation <http://backbonejs.org/#Collection-Underscore-Methods>`_::
var shelf = Backbone.Shard({
collection: books,
filter: function(book) { return task.get('read'); }
});
read.each(...);
read.pluck(...);
You can add/remove models or reset *the original collection* and Shard will
honestly try to keep up with it, but currently Shard itself has no methods
such as add/remove/reset.
Events work and respect your filter function::
shelf.on('add', doSomething);
collection.add({read true}); // this will call doSomething
collection.add({read: false}); // this won't
Tests
=====
Download the `source
<https://bitbucket.org/engored/backbone-shard/get/tip.tar.bz2>`_ and open
test/index.html in your browser.