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Contents
# frozen_string_literal: true
module Proscenium
module LinkToHelper
# Overrides ActionView::Helpers::UrlHelper#link_to to allow passing a component instance as the
# URL, which will build the URL from the component path, eg. `/components/my_component`. The
# resulting link tag will also populate the `data` attribute with the component props.
#
# Example:
# link_to 'Go to', MyComponent
#
# TODO: ummm, todo it! ;)
def link_to(*args, &block)
# name_argument_index = block ? 0 : 1
# if (args[name_argument_index]).respond_to?(:render_in)
# return super(*LinkToComponentArguments.new(args, name_argument_index,
# self).helper_options, &block)
# end
super
end
end
# Component handling for the `link_to` helper.
class LinkToComponentArguments
def initialize(options, name_argument_index, context)
@options = options
@name_argument_index = name_argument_index
@component = @options[@name_argument_index]
# We have to render the component, and then extract the props from the component. Rendering
# first ensures that we have all the correct props.
context.render @component
end
def helper_options
@options[@name_argument_index] = "/components#{@component.virtual_path}"
@options[@name_argument_index += 1] ||= {}
@options[@name_argument_index][:rel] = 'nofollow'
@options[@name_argument_index][:data] ||= {}
@options[@name_argument_index][:data][:component] = {
path: @component.virtual_path,
props: @component.props
}
@options
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems