Module: Philiprehberger::Template::Filters

Defined in:
lib/philiprehberger/template/filters.rb

Constant Summary collapse

BUILT_IN = 
{
  'upcase' => ->(val) { val.to_s.upcase },
  'downcase' => ->(val) { val.to_s.downcase },
  'strip' => ->(val) { val.to_s.strip },
  'escape' => ->(val) { CGI.escapeHTML(val.to_s) },
  'capitalize' => ->(val) { val.to_s.capitalize },
  'reverse' => ->(val) { val.to_s.reverse },
  'length' => ->(val) { val.respond_to?(:length) ? val.length.to_s : val.to_s.length.to_s },
  'default' => ->(val, arg = '') { val.nil? || val.to_s.empty? ? arg : val.to_s },
  'truncate' => lambda { |val, arg = '30'|
    str = val.to_s
    limit = arg.to_i
    limit = 30 if limit <= 0
    str.length > limit ? "#{str[0, limit]}..." : str
  },
  'titleize' => ->(val) { val.to_s.split(/\s+/).map(&:capitalize).join(' ') }
}.freeze

Class Method Summary collapse

Class Method Details

.register(name, callable) ⇒ Object 



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# File 'lib/philiprehberger/template/filters.rb', line 29

def register(name, callable)
  @custom[name.to_s] = callable
end

.registered_custom ⇒ Object 



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# File 'lib/philiprehberger/template/filters.rb', line 41

def registered_custom
  @custom.keys
end

.reset_custom! ⇒ Object 



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# File 'lib/philiprehberger/template/filters.rb', line 37

def reset_custom!
  @custom = {}
end

.resolve(name) ⇒ Object 



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# File 'lib/philiprehberger/template/filters.rb', line 33

def resolve(name)
  @custom[name.to_s] || BUILT_IN[name.to_s]
end