class ExpressTemplates::Template::Handler

Public Class Methods

call(template) click to toggle source
# File lib/express_templates/template/handler.rb, line 6
def self.call(template)
  new.call(template)
end

Public Instance Methods

call(template) click to toggle source
# File lib/express_templates/template/handler.rb, line 10
def call(template)
  # returns a string to be eval'd
  source = "(#{ExpressTemplates.compile(template)}).html_safe"
  warn_contains_logic(source) if ENV['NO_TEMPLATE_WARN'].nil? # pass the source code
  source
end
warn_contains_logic(compiled_template) click to toggle source
# File lib/express_templates/template/handler.rb, line 17
def warn_contains_logic(compiled_template)
  keywords = %w(if until unless case for do loop while)                                                                 # array of conditional keywords
  tokens = []
  if Ripper.lex(compiled_template).select do |element|                                                                  # since it outputs an array [[line, col], type, token]
    element[1]==:on_kw                                                                                                  # type must match ':on_kw' type (type is keyword)
  end.each { |match| tokens.push(match) if keywords.include? match[2] }                                                 # check if token is in given /keyword/ array, then push to new array match
    tokens.each do |first|
      warn "PAGE TEMPLATE INCLUDES #{first[2]} STATEMENT AT LINE #{first[0][0]}: #{first}\n#{compiled_template}"        # warn on first occurence of conditional logic
    end
  end
end