jQuery plugin to sort DOM elements based on a URL search query string
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Sortjitsu is a jQuery plugin to sort DOM elements based on search query params in the URL. It sorts simply by data attributes, making few assumptions on the structure of your DOM.

There are many ways to sort data on the backend before serving it to the client. Sortjitsu is specifically meant to be used on cached HTML pages served from a CDN, relieving sorting from the backend and allowing for fast page loads.

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 $ python -m SimpleHTTPServer 3000

Navigate to http://localhost:3000

How to use

The sortjitsu plugin is initialized by being called off of jQuery.fn (or $.fn). The plugin accepts an options object which will override the defaults defined within the plugin.

Sortjitsu assumes a few things about the HTML and the URL structure on the page which it is initialized. The DATA_SORTABLE selector is required on an element that wraps the main content which will be sorted. From there the data fields must match the value after ?sort= in the url to be sorted.

To sort elements in reverse order added the - character before the keyword after sort=. For example, to sort by names in reverse the URL would look like ?sort=-name.

Below is an example of how sortjitsu could be structured in HTML and initialized in javascript.

  <!-- links to change url and cause sorting -->
  <a href="./">Clear search query params</a>
  <a href="?sort=name">Sort by name</a>
  <a href="?sort=-name">Sort by name reversed</a>
  <a href="?sort=count">Sort by count</a>
  <a href="?sort=-count">Sort by count reversed</a>
  <!-- items to be sorted -->
    <div data-sortable><div data-name="D" data-count="7">D 7</div></div>
    <div data-sortable><div data-name="C" data-count="5">C 5</div></div>
    <div data-sortable><div data-name="J" data-count="9">J 9</div></div>
    <div data-sortable><div data-name="E" data-count="6">E 6</div></div>
    <div data-sortable><div data-name="F" data-count="1">F 1</div></div>
    <div data-sortable><div data-name="G" data-count="4">G 4</div></div>
    <div data-sortable><div data-name="A" data-count="8">A 8</div></div>
    <div data-sortable><div data-name="H" data-count="2">H 2</div></div>
    <div data-sortable><div data-name="B" data-count="3">B 3</div></div>
    <div data-sortable><div data-name="I" data-count="10">I 10</div></div>
  <!-- sortjitsu plugin -->
      // plugin options here

Plugin Options

  Sortjitsu.defaults = {
     * jQuery selector for all sortable elements
     * @type {String}
    DATA_SORTABLE: '[data-sortable]'


The development file lives under src/jquery.sortjitsu.js. To develop, first run npm install to install the devDependencies.

 $ npm install
 $ ./node_modules/.bin/gulp
 ... edit jquery.sortjitsu.js
 ... look in terminal for gulp output as you save
 $ python -m SimpleHTTPServer 3000
 ... test in [browser](http://localhost:3000)

Testing with Karma + Jasmine-jQuery

The test files live under the test directory. Karma is used as the test runner and jasmine + jasmine-jquery is the bdd framework.

Each test should have its own spec file and a matching fixtures html template. Tests should be concise. Limit the number of expect()s per it() block, this allows for clear test failure messages. Each it() block should have a clear title and describe exactly what is expected.

Execute the tests using gulp.

 $ ./node_modules/.bin/gulp test


Versions will follow the semver format. All versions will be visible under releases with an updated changelog.