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Contents
module SinatraMore
module FormatHelpers
# Returns escaped text to protect against malicious content
def h(text)
Rack::Utils.escape_html(text)
end
alias escape_html h
# Returns escaped text to protect against malicious content
# Returns blank if the text is empty
def h!(text, blank_text = ' ')
return blank_text if text.nil? || text.empty?
h text
end
# Returns relative time in words referencing the given date
# relative_time_ago(Time.now)
def relative_time_ago(date)
date = date.to_date
date = Date.parse(date, true) unless /Date.*/ =~ date.class.to_s
days = (date - Date.today).to_i
return 'today' if days >= 0 and days < 1
return 'tomorrow' if days >= 1 and days < 2
return 'yesterday' if days >= -1 and days < 0
return "in #{days} days" if days.abs < 60 and days > 0
return "#{days.abs} days ago" if days.abs < 60 and days < 0
return date.strftime('%A, %B %e') if days.abs < 182
return date.strftime('%A, %B %e, %Y')
end
# Used in xxxx.js.erb files to escape html so that it can be passed to javascript from sinatra
# escape_javascript("<h1>Hey</h1>")
def escape_javascript(html_content)
return '' unless html_content
javascript_mapping = { '\\' => '\\\\', '</' => '<\/', "\r\n" => '\n', "\n" => '\n' }
javascript_mapping.merge("\r" => '\n', '"' => '\\"', "'" => "\\'")
escaped_string = html_content.gsub(/(\\|<\/|\r\n|[\n\r"'])/) { javascript_mapping[$1] }
"\"#{escaped_string}\""
end
alias js_escape escape_javascript
alias escape_for_javascript escape_javascript
end
end
Version data entries
7 entries across 7 versions & 1 rubygems