21 lines
617 B
Ruby
21 lines
617 B
Ruby
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# frozen_string_literal: true
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class HtmlValidator < ActiveModel::EachValidator
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ERROR_RE = /Opening and ending tag mismatch|Unexpected end tag/
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def validate_each(record, attribute, value)
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return if value.blank?
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errors = html_errors(value)
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record.errors.add(attribute, I18n.t('html_validator.invalid_markup', error: errors.first.to_s)) unless errors.empty?
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end
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private
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def html_errors(str)
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fragment = Nokogiri::HTML.fragment(options[:wrap_with] ? "<#{options[:wrap_with]}>#{str}</#{options[:wrap_with]}>" : str)
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fragment.errors.select { |error| ERROR_RE =~ error.message }
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end
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end
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