2018-11-18 11:00:15 +05:30
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# frozen_string_literal: true
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2016-11-03 12:29:30 +05:30
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module Banzai
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module Filter
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# HTML filter that sets dir="auto" for RTL languages support
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class SetDirectionFilter < HTML::Pipeline::Filter
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def call
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# select these elements just on top level of the document
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doc.xpath('p|h1|h2|h3|h4|h5|h6|ol|ul[not(@class="section-nav")]|blockquote|table').each do |el|
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el['dir'] = 'auto'
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end
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doc
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end
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end
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end
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end
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