app/helpers/json_helper.rb
module JsonHelper
def json(string)
json_escape(string.to_json).html_safe
end
# Backported from Rails 4.2
class JsonEscapingError < StandardError; end
JSON_ESCAPE_REGEXP = /[\u2028\u2029&><]/u
JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003e', '<' => '\u003c', "\u2028" => '\u2028', "\u2029" => '\u2029' }
def json_escape(s)
result = s.to_s.gsub('/', '\/')
s.html_safe? ? result.html_safe : result
end
alias j json_escape
end