Migrating from 1.x to 2.0

Improvements

5 to 12 times better rendering performance (depending on the context)
Change to MIT License
Core code readability/maintainability --> Enable core contributor team growth
Vue integration and extenability --> Modern JS workflow and increased flexibility
Better IDE support --> Removed registry logic enables traceability
Easier API for component development
Improved naming schemas
Reworked docs

License change

We decided to switch back to the MIT License in order to emphasize that we want to create an Open Source project without any commercial restrictions. We will create a blog post about that soon!

Breaking changes

Trailblazer Cell dependency removed

We did a complete Ruby core rewrite and removed the internal dependencies from cells, haml and trailblazer-cells. We're now using pure Ruby for Matestack's HTML rendering and component based UI structuring. We removed the dependency as we realized that we're just using a small subset of Trailblazer's cell feature and are better off when implementing our own business logic. Thank you Trailblazer for bringing us so far!

We only used Trailblazer's cell API internally. If you just used the documented API of Matestack, you only need to follow the below migration steps:

Rails controller

Application helper

class ApplicationController < ActionController::Base

  # old
  # include Matestack::Ui::Core::ApplicationHelper

  # new
  include Matestack::Ui::Core::Helper

end

Apps

`yield_page`

Use yield instead of yield_page

class SomeApp < Matestack::Ui::Component

  def response
    span do
      # old
      # yield_page

      # new
      yield if block_given?
    end
  end

end

or if you want to yield in some method other than response:

class SomeApp < Matestack::Ui::App

  def response(&block)
    main do
      # old
      # yield_page

      # new
      some_partial(&block)
    end
  end

  def some_partial(&block)
    div do
      yield if block_given?
    end
end

Loading state element

class ExampleApp::App < Matestack::Ui::App

  def response
    #...
    main do
      # old
      # yield_page slots: { loading_state: my_loading_state_slot }

      # new
      yield if block_given?
    end
    #...
  end

  # old
  # def my_loading_state_slot
  #   slot do
  #     span class: "some-loading-spinner" do
  #       plain "loading..."
  #     end
  #   end
  # end

  # new
  def loading_state_element
    span class: "some-loading-spinner" do
      plain "loading..."
    end
  end

end

Minimal app wrapping removed

Until 1.5.0, matestack-ui-core rendered a minimal app around pages without explicitly associated app
This behavior is removed in 2.0.0 -> a page will be rendered without any wrapping app until an app is explicitly associated

Pages

Controller instance variables

No more implicit controller instance variable access - > inject like you would inject options into a component

class SomeController < ApplicationController

  include Matestack::Ui::Core::Helper

  def overview
    @foo = "bar"
    # old
    # render Pages::SomePage

    # new
    render Pages::SomePage, foo: @foo
  end

end

class Pages::SomePage < Matestack::Ui::Page

  required :foo

  def response
    plain context.foo # "bar"
  end

end

Components

Registry

module Components::Registry

  # old
  # Matestack::Ui::Core::Component::Registry.register_components(
  #   some_component: Components::SomeComponent,
  #   # ...
  # )

  # new
  def some_component(text=nil, options=nil, &block)
    Components::SomeComponent.(text, options, &block)
  end

  # ...

end

Include your registry in components, pages, and apps directly instead of including it in your controller.

Create base classes for apps, pages and components inherting from Matestack's base classes including the registry(ies) and let your apps, pages and components inherit from them. As this is just a plain Ruby module, you need to include it in all contexts you want to use the alias method (unlike the registry prior to 2.0.0).

It's a good idea to create your own

ApplicationPage
ApplicationComponent
ApplicationVueJsComponent
and ApplicationApp

as base classes for your pages, components and apps. There, you include your component registry module(s) only once and have access to the alias methods in all child classes.

# Example base class strategy usage

class ApplicationPage < Matestack::Ui::Page

  include Components::Registry

end

class ApplicationComponent < Matestack::Ui::Component

  include Components::Registry

end

class ApplicationVueJsComponent < Matestack::Ui::VueJsComponent

  include Components::Registry

end

class ApplicationApp < Matestack::Ui::App

  include Components::Registry

end

Slots

class Components::SomeComponent < Matestack::Ui::Component

  # old
  # optional :slots

  # new
  # Do not define any slots as optional or required

  def response
    # old
    # slot slots[:some_slot]

    # new
    slot :some_slot
  end

end

class Components::SomePage < Matestack::Ui::Page

  def response
    # old
    # some_component slots: { some_slot: some_slot }

    # new
    some_component slots: { some_slot: method(:some_slot) }
  end

  protected

  # old
  # def some_slot
  #   slot do
  #     plain "foo #{bar}"
  #   end
  # end

  # new
  def some_slot
    plain "foo #{bar}"
  end

  def bar
    plain "bar"
  end

end

Text options

class SomePage < Matestack::Ui::Page

  def response
    # old
    # span text: "foo", class: "bar" # still suported for compatibility reasons

    # new
    span "foo", class: "bar"
  end

end

Required options notation

class Components::SomeComponent < Matestack::Ui::Component

  # old
  # requires :foo # still suported for compatibility reasons

  # new
  required :foo

end

Required/optional options access

class Components::SomeComponent < Matestack::Ui::Component

  required :foo
  optional :bar

  # old
  # def response
  #   plain foo
  #   plain options[:foo]
  #   plain bar
  #   plain options[:bar]
  # end

  # new
  def response
    plain context.foo # options[:foo] is not available anymore!
    plain context.bar # options[:bar] is not available anymore!
  end

end

Required/optional options alias

class Components::SomeComponent < Matestack::Ui::Component

  optional class: { as: :bs_class }

  # old
  # def response
  #   span class: bs_class
  # end

  # new
  def response
    span class: context.bs_class
  end

end

HTML tag attributes

Definition and rendering on default HTML tags

No more whitelisting through explicitly defined HTML ATTRIBUTES
On default HTML tags, all defined options will be rendered as attributes on that tag

class SomePage < Matestack::Ui::Page

  def response
    # old
    # span class: "foo", attributes: { bar: :baz, data: { hello: "world" }}

    # new
    span class: "foo", bar: :baz, data: { hello: "world" }
  end
  # <span class="foo" bar="baz" data-hello="world">

end

Definition and rendering within components

No more whitelisting through explicitly defined HTML ATTRIBUTES
No more access through html_attributes, use simple options instead

class SomePage < Matestack::Ui::Page

  def response
    some_component id: 1, class: "foo", bar: :baz, data: { hello: "world" }
  end
  # <span id=1, class="foo bar" bar="baz" other="foo" data-hello="world" data-foo="bar">

end

class Components::SomeComponent < Matestack::Ui::Component

  # old
  # def response
  #   span some_processed_attributes
  # end

  # def some_processed_attributes
  #   processed = {}.tap do |attrs|
  #     attrs[:class] = "#{options[:class]} 'bar'",
  #     attrs[:attributes] = { bar: options[:bar], other: :foo, data: options[:data].merge({ foo: "bar" }) }
  #   end
  #   html_attributes.merge(processed)
  # end

  # new
  def response
    span some_processed_attributes
  end

  def some_processed_attributes
    {}.tap do |attrs|
      attrs[:class] = "#{options[:class]} 'bar'",
      attrs[:bar] = options[:bar]
      attrs[:other] = :foo
      attrs[:data] = options[:data].merge({ foo: "bar" })
    end
  end

end

yield_components

class Components::SomeComponent < Matestack::Ui::Component

  def response
    span do
      # old
      # yield_components
      # new
      yield if block_given?
    end
  end

end

or if you want to yield in some method other than response:

class Components::SomeComponent < Matestack::Ui::Component

  def response(&block)
    span do
      # old
      # yield_components
      # new
      some_partial(&block)
    end
  end

  def some_partial(&block)
    div do
      yield if block_given?
    end
end

Vue.js

matestack-ui-core does not include prebundle packs for Sprockets anymore
MatestackUiCore is not available in the global window object anymore by default
Please use the webpacker approach in order to manage and import your JavaScript assets

Vue.js integration/mounting

Within your application pack, you now have to import and mount Vue/Vuex manually

// old
// import MatestackUiCore from 'matestack-ui-core'

// new
import Vue from 'vue/dist/vue.esm'
import Vuex from 'vuex'

import MatestackUiCore from 'matestack-ui-core'

let matestackUiApp = undefined

document.addEventListener('DOMContentLoaded', () => {
  matestackUiApp = new Vue({
    el: "#matestack-ui",
    store: MatestackUiCore.store
  })
})

Vue.js component definition

// old
// MatestackUiCore.Vue.component('some-component', {
//   mixins: [MatestackUiCore.componentMixin],
//   data() {
//     return {};
//   },
//   mounted: function() {

//   },
// });

// new
import Vue from 'vue/dist/vue.esm'
import Vuex from 'vuex' // if required
import axios from 'axios' // if required

import MatestackUiCore from 'matestack-ui-core'

Vue.component('some-component', {
  mixins: [MatestackUiCore.componentMixin],
  data() {
    return {};
  },
  mounted: function() {

  },
});

Vue.js component name helper

class Components::SomeComponent < Matestack::Ui::VueJsComponent

  # old
  # vue_js_component_name "some-component"

  # new
  vue_name "some-component"

end

Vue.js props injection/usage

No more implicit injection of all options into Vue.js component
No more @component_config instance variable and setup method
Use explicit method in order to inject specific options into Vue.js components

class SomePage < Matestack::Ui::Page

  def response
    some_component id: 1, class: "foo", foo: "hello" bar: "world"
  end

end

class Components::SomeComponent < Matestack::Ui::VueJsComponent

  vue_name "some-component"

  required :bar

  # old
  # all options are implicitly injected and used as vue props
  # or specific vue props through setup method
  # def setup
  #   @component_config[:baz] = "baz"
  # end

  # new
  def vue_props
    {}.tap do |props|
      props[:foo] = options[:foo]
      props[:bar] = context.bar
      props[:baz] = "baz"
    end
  end


end

Vue.component('some-component', {
  mixins: [MatestackUiCore.componentMixin],
  data() {
    return {};
  },
  mounted: function() {

    // old
    // console.log(this.componentConfig["id"]) // undefined!
    // console.log(this.componentConfig["foo"]) // hello
    // console.log(this.componentConfig["bar"]) // world
    // console.log(this.componentConfig["baz"]) // baz

    // new
    console.log(this.props["id"]) // undefined!
    console.log(this.props["foo"]) // hello
    console.log(this.props["bar"]) // world
    console.log(this.props["baz"]) // baz

  },
});

Form components

Root form component name

renamed form to matestack_form as form is now rendering the HTML form
matestack_form renders the Vue.js driven form as prior to 2.0.0

def response
  # old
  # form form_config do

  # new
  matestack_form form_config do
    form_input key: :name, type: :text, label: 'Name'
    # ...
    button "submit", type: :submit
  end
end

Submit

form_submit component removed, use something like button 'submit', type: :submit instead
get Vue.js form loading state via simple loading instead of loading()

def response
  matestack_form form_config do
    form_input key: :name, type: :text, label: 'Name'
    # ...
    # old
    # form_submit do
    #   button text: "submit"
    # end

    # new
    button "submit", type: :submit

    # and optionally:
    button "submit", type: :submit, "v-if": "!loading"
    button "loading...", type: :submit, disabled: true, "v-if": "loading"
  end
end

Custom form components

Base class

Example for Form Input, adapt all other custom components accordingly:

# old
# class Components::MyFormInput < Matestack::Ui::Core::Form::Input::Base

# new
class Components::MyFormInput < Matestack::Ui::VueJs::Components::Form::Input

  # old
  # vue_js_component_name "my-form-input"

  # new
  vue_name "my-form-input"

  # old
  # def prepare
  #   # optionally add some data here, which will be accessible within your Vue.js component
  #   @component_config[:foo] = "bar"
  # end

  # new
  def vue_props
    {
      foo: "bar"
    }
  end

  def response
    # exactly one root element is required since this is a Vue.js component template
    div do
      label text: "my form input"
      input input_attributes.merge(class: "flatpickr")
      render_errors
    end
  end

end

Collection component

Helper

class SomePage < Matestack::Ui::Page

  # old
  # include Matestack::Ui::VueJs::Components::Collection::Helper

  # new
  include Matestack::Ui::VueJs::Components::Collection::Helper

end

Filter

It's now possible to use ALL form child components within a collection_filter

class SomePage < Matestack::Ui::Page

  # old
  # include Matestack::Ui::VueJs::Components::Collection::Helper

  # new
  include Matestack::Ui::VueJs::Components::Collection::Helper

  def response
    collection_filter @collection.config do
      # old
      # collection_filter_input key: :foo, type: :text, label: 'Text'
      # collection_filter_select key: :buz, options: [1,2,3], label: 'Dropdown'

      # new
      form_input key: :foo, type: :text, label: 'Text'
      form_checkbox key: :bar, label: 'True/False'
      form_checkbox key: :baz, options: [1,2,3], label: 'Multi select via checkboxes'
      form_select key: :buz, options: [1,2,3], label: 'Dropdown'
      #...

      # old
      # collection_filter_submit do
      #   button text: 'Submit'
      # end

      # new
      button 'Submit', type: "submit"

      # same
      collection_filter_reset do
        button 'Reset'
      end
    end
  end

end

Onclick

changed from rendering a div as root element to a a tag in order to have an inline root element being consistent with transition and action

this possibly breaks the appearance of your UI as we're switching from a block to an inline root element

onclick emit: "hello" do
  button "Klick!"
end

will now render:

<a href="#" class="matestack-onclick-component-root">
  <button>Klick!</button>
</a>

instead of:

<div class="matestack-onclick-component-root">
  <button>Klick!</button>
</div>

You can keep the block style by simply applying following styles to your application:

.matestack-onclick-component-root{
  display: block;
}

Link

link is now calling the HTML link tag instead of rendering an a tag
use a href: ... or a path: ... instead

Isolate

isolate component doesn't raise 'not authorized' anymore. When isolate is not authorized no content is returned. Only a warning is logged to the console

Rails view

rails_view is replaced by rails_render. Use rails_render partial: '/some_partial', locals: { foo: 1 }; rails_render file: '/some_view', locals: { foo: 1 } to render a partial or a file or anything you want. Use the same as you would use rails render

Component argument

Pass in text arguments like header 'Your headline', color: :blue
Access it now with self.text or context.text instead of @argument

Minor HTML rendering changes

In general: content blocks take precedence over text or :text option
area coords will no longer be automatically joined -> html option does exactly what is expected, no magic
italic and icon are now called with the corresponding html tag i
a has no more option :path which can take a symbol and renders it with rails url helper. Use :href/:path with or without rails url helper instead
unescaped renamed to unescape as it fits the naming conventions more. For example rails html_escape not html_escaped. unescaped is deprecated now
video has no more magic creation of source tag or automatically fetch asset path to keep dsl as close to html as possible
removed alias pg for paragraph
transition can no longer handle symbols as path. Use rails path helper instead
Matestack::Ui::DynamicActionviewComponent, Matestack::Ui::Core::Actionview::Dynamic and static removed -> is not needed

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