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Contents
# frozen_string_literal: true
module Primer
module Alpha
# Use `HiddenTextExpander` to indicate and toggle hidden text.
#
# @accessibility
# `HiddenTextExpander` requires an `aria-label`, which will provide assistive technologies with an accessible label.
# The `aria-label` should describe the action to be invoked by the `HiddenTextExpander`. For instance,
# if your `HiddenTextExpander` expands a list of 5 comments, the `aria-label` should be
# `"Expand 5 more comments"` instead of `"More"`.
class HiddenTextExpander < Primer::Component
status :alpha
# @param inline [Boolean] Whether or not the expander is inline.
# @param button_arguments [Hash] <%= link_to_system_arguments_docs %> for the button element.
# @param system_arguments [Hash] <%= link_to_system_arguments_docs %>
def initialize(inline: false, button_arguments: {}, **system_arguments)
@system_arguments = deny_tag_argument(**system_arguments)
@button_arguments = button_arguments
@system_arguments[:tag] = :span
@system_arguments[:classes] = class_names(
"hidden-text-expander",
@system_arguments[:classes],
"inline" => inline
)
aria_label = system_arguments[:"aria-label"] || system_arguments.dig(:aria, :label) || @aria_label
if aria_label.present?
@button_arguments[:"aria-label"] = aria_label
@system_arguments[:aria]&.delete(:label)
end
@button_arguments[:classes] = class_names(
"ellipsis-expander",
button_arguments[:classes]
)
end
def call
render(Primer::BaseComponent.new(**@system_arguments)) do
render(Primer::Alpha::HellipButton.new(**@button_arguments))
end
end
end
end
end
Version data entries
120 entries across 120 versions & 2 rubygems