trailblazer-cells
Advanced tools
Trailblazer's file layout for Cells.
In Trailblazer, class structures as the following are very common, let's say for a post concept, here are the class headers, and where the view directory gets resolved to.
module Post
module Cell
class New < Trailblazer::Cell # => app/concepts/post/view
class Show < Trailblazer::Cell # => app/concepts/post/view
class SideBar < Trailblazer::Cell # => app/concepts/post/view
showYou don't have to define a show method, Trailblazer::Cell will have one that looks as follows.
class Trailblazer::Cell
def show
render
end
When calling render, the view name is inferred from the class name.
module Post
module Cell
class New < Trailblazer::Cell # => new.erb
class Show < Trailblazer::Cell # => show.erb
class SideBar < Trailblazer::Cell # => side_bar.erb
You can still override using render view: :name.
You can pass a layout cell into every Trailblazer::Cell which will render the layout.
Post::Cell::Show.new(post, layout: Gemgem::Cell::Layout).()
The :layout option has to refer to a cell class. When invoked, the layout cell will receive the content of the actual cell under :content, resulting in a call as follows.
Gemgem::Cell::Layout.new(post,
content: Post::Cell::Show.new(post)
)
The layout cell's show view can sit in any directory, for example gemgem/view/layout.rb.
<html>
Yay, I'm the layout!
<%= content %>
</html>
It's up to you what you do with the :content option. Here's the Trailblazer way.
class Gemgem::Cell::Layout < Trailblazer::Cell
self.view_paths = ["gemgem"]
def content
@options[:content]
end
end
Cells with layout cells allow replacing a frameworks entire view stack, e.g. ActionView.
It works identical with namespaces.
Some projects do not use the app/concept view path. This can be changed as follows.
Trailblazer::Cell.view_paths = ["concepts"]
Note that this will change for all cells, including bundled in gems. Introduce an Application::Cell if you don't like that.
This gem has only one dependency: cells. Note that it does not need trailblazer.
FAQs
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We found that trailblazer-cells demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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