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##
# Flattens the icons object to a one-dimensional array of possible search terms.
require 'set'
module Jekyll
module FlattenArray
def flattenIconFilters(icons)
flattened = Set.new
icons.each do |icon|
toAdd = []
toAdd.push(icon["class"].downcase) # Add class as a filter value
# Add any existing aliases as a filter value
if not icon["aliases"].nil?
icon["aliases"].each do |iconAlias|
toAdd.push(iconAlias.downcase)
end
end
# Add any existing filters as a filter value
if not icon["filter"].nil?
icon["filter"].each do |iconFilter|
toAdd.push(iconFilter.downcase)
end
end
flattened.merge(toAdd)
print toAdd if toAdd.include? true
print toAdd if toAdd.include? false
end
return flattened.to_a # .to_a because we can't jsonify a <Set>
end
end
end
Liquid::Template.register_filter(Jekyll::FlattenArray)
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