Boost your productivity & easily create component based web UIs in pure Ruby.
matestack-ui-core enables you to craft maintainable web UIs in pure Ruby, skipping ERB and HTML. UI code becomes a native and fun part of your Rails app. matestack-ui-core can progressively replace the classic Rails-View-Layer. You are able to use
it alongside your classic views.
matestack-ui-core is tested against:
Rails versions below 5.2 are not supported.
Documentation can be found here
A getting started guide can be found here
Changelog can be found here
As a low-barrier feedback channel for our early users, we have set up a Discord server that can be found here. You are very welcome to ask questions and send us feedback there!
We are happy to accept contributors of any kind! In order to make it as easy and fun as possible to contribute to matestack-ui-core, we would like to onboard contributors personally! Best way to become a contributor: Ping us on Discord! We will schedule a video call with you and show you, how and what to work on :)
Craft your UI based on your components written in pure Ruby. Utilizing Ruby's amazing language features, you're able to create a cleaner and more maintainable UI implementation.
Create Ruby classes within your Rails project and call matestack's core components through a Ruby DSL in order to craft your UIs. The Ruby method "div" for example calls one of the static core components, responsible for rendering HTML tags. A component can take Strings, Integers Symbols, Arrays or Hashes (...) as optional properties (e.g. "title") or require them (e.g. "body").
app/matestack/components/card.rb
class Components::Card < Matestack::Ui::Component
required :body
optional :title
optional :image
def response
div class: "card shadow-sm border-0 bg-light" do
img path: context.image, class: "w-100" if context.image.present?
div class: "card-body" do
h5 context.title if context.title.present?
paragraph context.body, class: "card-text"
end
end
end
end
Components can be then called on Rails views (not only! see below), enabling you to create a reusable card components, abstracting UI complexity in your own components.
app/views/your_view.html.erb
<!-- some other erb markup -->
<%= Components::Card.call(title: "hello", body: "world") %>
<!-- some other erb markup -->
Split your UI implementation into multiple small chunks helping others (and yourself) to better understand your implementation. Using this approach helps you to create a clean, readable and maintainable codebase.
app/matestack/components/card.rb
class Components::Card < Matestack::Ui::Component
required :body
optional :title
optional :image
optional :footer
def response
div class: "card shadow-sm border-0 bg-light" do
img path: context.image, class: "w-100" if context.image.present?
card_content
card_footer if context.footer.present?
end
end
def card_content
div class: "card-body" do
h5 context.title if context.title.present?
paragraph context.body, class: "card-body"
end
end
def card_footer
div class: "card-footer text-muted" do
plain context.footer
end
end
end
app/views/your_view.html.erb
<!-- some other erb markup -->
<%= Components::Card.call(title: "hello", body: "world", footer: "foo") %>
<!-- some other erb markup -->
Because it's just a Ruby class, you can use class inheritance in order to further improve the quality of your UI implementation. Class inheritance can be used to easily create variants of UI components but still reuse parts of the implementation.
app/matestack/components/blue_card.rb
class Components::BlueCard < Components::Card
def response
div class: "card shadow-sm border-0 bg-primary text-white" do
img path: context.image, class: "w-100" if context.image.present?
card_content #defined in parent class
card_footer if context.footer.present? #defined in parent class
end
end
end
app/views/your_view.html.erb
<!-- some other erb markup -->
<%= Components::BlueCard.call(title: "hello", body: "world") %>
<!-- some other erb markup -->
Just like you used matestack's core components on your own UI component, you can use your own UI components within other custom UI components. You decide when using a Ruby method partial should be replaced by another self contained UI component!
app/matestack/components/card.rb
class Components::Card < Matestack::Ui::Component
required :body
optional :title
optional :image
def response
div class: "card shadow-sm border-0 bg-light" do
img path: context.image, class: "w-100" if context.image.present?
# calling the CardBody component rather than using Ruby method partials
Components::CardBody.call(title: context.title, body: context.body)
end
end
end
app/matestack/components/card_body.rb
class Components::CardBody < Matestack::Ui::Component
required :body
optional :title
def response
# Just an example. Would make more sense, if this component had
# a more complex structure
div class: "card-body" do
h5 context.title if context.title.present?
paragraph context.body, class: "card-body"
end
end
end
Sometimes it's not enough to just pass simple data into a component. No worries! You can just yield a block into your components! Using this approach gives you more flexibility when using your UI components. Ofcourse yielding can be used alongside passing in simple params.
app/matestack/components/card.rb
class Components::Card < Matestack::Ui::Component
required :body
optional :title
optional :image
def response
div class: "card shadow-sm border-0 bg-light" do
img path: context.image, class: "w-100" if context.image.present?
Components::CardBody.call() do
# yielding a block into the card_body component
h5 context.title if context.title.present?
paragraph context.body, class: "card-body"
end
end
end
end
app/matestack/components/card_body.rb
class Components::CardBody < Matestack::Ui::Component
def response
# Just an example. Would make more sense, if this component had
# a more complex structure
div class: "card-body" do
yield if block_given?
end
end
end
If you need to inject multiple blocks into your UI component, you can use "slots"! Slots help you to build complex UI components with multiple named content placeholders for highest implementation flexibility!
app/matestack/components/card.rb
class Components::Card < Matestack::Ui::Component
required :body
optional :title
optional :image
def response
div class: "card shadow-sm border-0 bg-light" do
img path: context.image, class: "w-100" if context.image.present?
Components::CardBody.call(slots: {
heading: method(:heading_slot),
body: method(:body_slot)
})
end
end
def heading_slot
h5 context.title if context.title.present?
end
def body_slot
paragraph context.body, class: "card-body"
end
end
app/matestack/components/card_body.rb
class Components::CardBody < Matestack::Ui::Component
required :slots
def response
# Just an example. Would make more sense, if this component had
# a more complex structure
div class: "card-body" do
div class: "heading-section" do
slot :heading
end
div class: "body-section" do
slot :body
end
end
end
end
matestack-ui-core is an Open Source project licensed under the terms of the MIT license
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