middleman/middleman-core/lib/middleman-core/core_extensions/external_helpers.rb
2014-01-02 16:05:39 -08:00

34 lines
1.3 KiB
Ruby

# Load helpers in helpers/
module Middleman
module CoreExtensions
module ExternalHelpers
# once registered
def self.included(app)
# Setup a default helpers paths
app.config.define_setting :helpers_dir, 'helpers', 'Directory to autoload helper modules from'
app.config.define_setting :helpers_filename_glob, '**.rb', 'Glob pattern for matching helper ruby files'
app.config.define_setting :helpers_filename_to_module_name_proc, Proc.new { |filename|
basename = File.basename(filename, File.extname(filename))
basename.camelcase
}, 'Proc implementing the conversion from helper filename to module name'
# After config
app.after_configuration do
helpers_path = File.join(root, config[:helpers_dir])
next unless File.exists?(helpers_path)
Dir[File.join(helpers_path, config[:helpers_filename_glob])].each do |filename|
module_name = config[:helpers_filename_to_module_name_proc].call(filename)
next unless module_name
require filename
next unless Object.const_defined?(module_name.to_sym)
@template_context_class.send :include, Object.const_get(module_name.to_sym)
end
end
end
end
end
end