Class: ViewComponent::Preview
- Inherits:
-
Object
- Object
- ViewComponent::Preview
- Extended by:
- ActiveSupport::DescendantsTracker
- Includes:
- ActionView::Helpers::TagHelper
- Defined in:
- lib/view_component/preview.rb
Class Method Summary collapse
-
.all ⇒ Object
Returns all component preview classes.
-
.component ⇒ Object
Returns the component object class associated to the preview.
-
.example_exists?(example) ⇒ Boolean
Returns
true
if the example of the component preview exists. -
.examples ⇒ Object
Returns all of the available examples for the component preview.
-
.exists?(preview) ⇒ Boolean
Returns
true
if the preview exists. -
.find(preview) ⇒ Object
Find a component preview by its underscored class name.
-
.layout(layout_name) ⇒ Object
Setter for layout name.
-
.preview_name ⇒ Object
Returns the underscored name of the component preview without the suffix.
-
.render_args(example, params: {}) ⇒ Object
Returns the arguments for rendering of the component in its layout.
Instance Method Summary collapse
Class Method Details
.all ⇒ Object
Returns all component preview classes.
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# File 'lib/view_component/preview.rb', line 16 def all load_previews if descendants.empty? descendants end |
.component ⇒ Object
Returns the component object class associated to the preview.
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# File 'lib/view_component/preview.rb', line 31 def component name.chomp("Preview").constantize end |
.example_exists?(example) ⇒ Boolean
Returns true
if the example of the component preview exists.
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# File 'lib/view_component/preview.rb', line 41 def example_exists?(example) examples.include?(example) end |
.examples ⇒ Object
Returns all of the available examples for the component preview.
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# File 'lib/view_component/preview.rb', line 36 def examples public_instance_methods(false).map(&:to_s).sort end |
.exists?(preview) ⇒ Boolean
Returns true
if the preview exists.
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# File 'lib/view_component/preview.rb', line 46 def exists?(preview) all.any? { |p| p.preview_name == preview } end |
.find(preview) ⇒ Object
Find a component preview by its underscored class name.
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# File 'lib/view_component/preview.rb', line 51 def find(preview) all.find { |p| p.preview_name == preview } end |
.layout(layout_name) ⇒ Object
Setter for layout name.
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# File 'lib/view_component/preview.rb', line 61 def layout(layout_name) @layout = layout_name end |
.preview_name ⇒ Object
Returns the underscored name of the component preview without the suffix.
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# File 'lib/view_component/preview.rb', line 56 def preview_name name.chomp("Preview").underscore end |
.render_args(example, params: {}) ⇒ Object
Returns the arguments for rendering of the component in its layout
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# File 'lib/view_component/preview.rb', line 22 def render_args(example, params: {}) example_params_names = instance_method(example).parameters.map(&:last) provided_params = params.slice(*example_params_names).to_h.symbolize_keys result = provided_params.empty? ? new.public_send(example) : new.public_send(example, **provided_params) @layout = nil unless defined?(@layout) result.merge(layout: @layout) end |
Instance Method Details
#render(component, **args, &block) ⇒ Object
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# File 'lib/view_component/preview.rb', line 10 def render(component, **args, &block) { component: component, args: args, block: block } end |