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css-class-string's Introduction

CssClassString

Helper for creating css class strings inspired by ReactJS classSet

  • Pass bare arguments for default classes
  • Pass hash of class => <boolean> for conditional classes
  • Use array with two classes as a key and first will be used for truthy and second for falsey value [:true?, :false?] => <boolean>

Installation

Add this line to your application's Gemfile:

gem 'css-class-string'

Usage

  // @boolvalue = true
  %span{class: class_string({some: true, classy: false, [:truthy, :falsy] => @boolvalue})}
  // equal to
  %span{class: class_string('some', falsy: false, [:truthy, :falsy] => @boolvalue)}
  // => <span class="some truthy"></span>
  <!-- @boolvalue = false -->
  <span class="<%= class_string({some: true, classy: true, [:truthy, :falsy] => @boolvalue} %>">
  <!-- equal to -->
  <span class="<%= class_string('some', 'classy', [:truthy, :falsy] => @boolvalue %>">
  <!-- => <span class="some classy falsy"></span> -->

Outside a view

CssClassString::Helper.new({}).to_s

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

css-class-string's People

Contributors

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Watchers

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