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tiltout

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tiltout

1.4.0
Rubygems

Version published: 12 years ago

Maintainers: 1

Created: 12 years ago

Source

Tiltout

Tilt templates with layouts and helpers

Tiltout is a small abstraction over Tilt that allows you to render templates with some additional conveniences:

Layouts
Helper modules
Caching

Overview

Let's say we have a template, ~/projects/tiltout/templates/greet.erb:

<h1><%= @title = greet("Hey", name) %></h1>

And another template, ~/projects/tiltout/templates/layout.erb:

<!DOCTYPE html>
<html>
  <head>
    <title><%= @title %></title>
  </head>
  <body>
    <%= yield %>
  </body>
</html>

Then the following code:

require "tiltout"

module Greeter
  def greet(greeting, name)
    "#{greeting} #{name}!"
  end
end

out = Tiltout.new("~/projects/tiltout/templates", :layout => "layout")
out.helper(Greeter, { :name => "Chris" })
html = out.render(:greet)

Will produce the following HTML:

<!DOCTYPE html>
<html>
  <head>
    <title>Hey Chris!</title>
  </head>
  <body>
    <h1>Hey Chris!</h1>
  </body>
</html>

Layouts

Tiltout can be instantiated with a default layout that will be used for every template. You can also optionally override the layout for each individual template to render.

Layouts are rendered with the same context as templates, and are rendered after the template itself. This means that you can set instance variables in the template that can be used in the layout (useful for e.g. extra head data, title etc).

Templates are included in the layout where the layout yields, e.g.:

<!DOCTYPE html>
<html>
  <head>
    <title><%= @title %></title>
  </head>
  <body>
    <%= yield %>
  </body>
</html>

Given the following template:

<h1><%= @title = "Hey!" %></h1>

The following output would be produced:

<!DOCTYPE html>
<html>
  <head>
    <title>Hey!</title>
  </head>
  <body>
    <h1>Hey!</h1>
  </body>
</html>

Helper modules

Tiltout provides a convenient API for registering modules that are included in the rendering context so you can call the module's methods as "helpers" from your templates:

<!-- greet.erb -->
<h1>Hey <%= snake_case(name) %></h1>

require "tiltout"

module SnakeCaser
  def snake_case(text)
    text.gsub(/(.)([A-Z])/,'\1_\2').downcase
  end
end

out = Tiltout.new("path/to/templates")
out.helper(SnakeCaser)

out.render(:greet, { :name => "ChrisJohansen" })
#=> "<h1>Hey chris_johansen</h1>"

Caching

By default, Tiltout will cache your templates after reading them from file the first time. If you don't want caching - say because you're actively developing the template - you simply disable it when instantiating your Tiltout instance:

out = Tiltout.new("path/to/templates", :cache => false)

Installing

tiltout ships as a gem:

$ gem install tiltout

Or in your Gemfile:

gem "tiltout", "~> 1.0.0"

Contributing

Contributions are welcome. To get started:

$ git clone git://gitorious.org/gitorious/tiltout.git
$ cd tiltout
$ bundle install
$ rake

When you have fixed a bug/added a feature/done your thing, create a clone on Gitorious or a fork on GitHub and send a merge request/pull request, whichever you prefer.

Please add tests when adding/altering code, and always make sure all the tests pass before submitting your contribution.

License

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Package last updated on 06 Dec 2012

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