Rails Utils

Rails helpers based on opinionated project practices. Currently useful for structuring CSS and JS.

Installation

gem install 'rails_utils'

#`page_class`

This helper method returns controller name and action name as a single string value, which can be used to target CSS styles specifically for this controller or action.

For example, when controller and action is animes#show, you can use page_class to include the controller name and action name as CSS classes on the page.

body{ class: page_class }

becomes

<body class='animes show'>

Then in your CSS, you can either target your styles specific to controller and/or action.

body.animes
  background: black

body.animes.show
  font-size: 24px

Usually, when the create or update actions render, the new or edit views will be rendered due to a form error.

Therefore the page_class helper converts create to new and update to edit so that you only need to write CSS to target new and edit, and not all four actions.

For finer grained control, you can also choose the use the 2 methods that are used to build page_class individually. The two methods are page_controller_class and page_action_class.

#`page_title`

This helper method returns page title based on controller name and action name.

When controller and action is animes#show you can easily use page_title like

.page-title= page_title

becomes

<div class='page-title'>Animes Show</div>

Besides, it supports I18n and interpolation:

en:
  anime:
    show:
      title: Showing anime of: %{anime_name}

.page-title= page_title(anime_name: 'Frozen')

becomes

<div class='page-title'>Showing anime of: Frozen</div>

#`javascript_initialization`

This helper method attempts to initialize JavaScript classes and methods based on a standard structure.

With this standard structure, calling your JavaScript has never been easier.

Add javascript_initialization to the bottom of your layout.

= javascript_initialization

When application is MyApp, and controller/action is animes#show, javascript_initialization compiles to:

<script type="text/javascript">
//<![CDATA[
        MyApp.init();
        if(MyApp.animes) {
          if(MyApp.animes.init) { MyApp.animes.init(); }
          if(MyApp.animes.init_show) { MyApp.animes.init_show(); }
        }
//]]>
</script>

By looking at the compiled JavaScript output, it should be apparent on how you should structure your JavaScript.

As similar to page_class, create is mapped to new and update is mapped to edit.

// Sample CoffeeScript to get you started
window.MyApplication =
  init: ->
    console.log("Init!")

#`flash_messages`

This helper method prints Rails flash messages with classes that correspond to Bootstrap's convention.

Just invoke flash_messages anywhere within layout/application.

= flash_messages

Suppose there's a flash[:success], you should see:

<div class="alert alert-success fade in">
  <button class="close" data-dismiss-alert="alert" type="button">x</button>
  <p>flash is success</p>
</div>

You can also:

Add additional CSS classes to the alert with the class option.
Customize the close button with button_html and button_class options.

Contributing

Pull Requests are very welcomed (with specs, of course)!

Minitest-ed. To run all tests, just run rake or rake test.

Changelog

Version 3.3.1

Pull Request 10 - Allow overiding of default for page_title - by @choonkeat.

Version 3.3.0

Pull Request 8 - Add button_html and button_class options for flash_messages - by @choonkeat.
Pull Request 9 - Remove timedout from flash that's specific to Devise.

Version 3.2.2

Pull Request 5 - Minor updates - by @JuanitoFatas.

Version 3.2.1

Update page_title to support I18n interpolation - by @JuanitoFatas.

Version 3.2.0

Add page_title that supports I18n - by @huynhquancam.

Version 3.1.2

Add alert-danger class to flash error messages for Bootstrap 3 support.

Version 3.1.1

Pull Request 1 Support for Rails 4.1.

Version 3.1.0

Drop string controller from page_class and javascript_initialization.

Version 3.0.0

Controller namespace added to page_class and javascript_initialization.

Author

Rails Utils is maintained by Winston Teo.

You should follow Winston on Twitter, or find out more on WinstonYW and LinkedIn.

Rails Utils

Installation

#page_class

#page_title

#javascript_initialization

#flash_messages

Contributing

Changelog

Author

License

#`page_class`

#`page_title`

#`javascript_initialization`

#`flash_messages`