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