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Contents
require 'erb'
require 'json'
require 'base64'
class Lono::Template::Template
include ERB::Util
# Main template DSL methods are: source and variables
#
# template "example-2" do
# source "example"
# variables(test: 1)
# end
#
attr_reader :name
def initialize(name, block=nil, options={})
# Taking care to name instance variables with _ in front because we load the
# variables from config/variables and those instance variables can clobber these
# instance variables
@name = name
@block = block
@options = options
@source_path = default_source_path(name)
end
# Returns path, example: ./app/templates/example.yml
def source(path)
@source_path = path[0..0] == '/' ? path : "#{Lono.config.templates_path}/#{path}"
@source_path += ".yml"
end
def variables(vars={})
vars.each do |var,value|
context.instance_variable_set("@#{var}", value)
end
end
# internal methods
def default_source_path(name)
"#{Lono.config.templates_path}/#{name}.yml" # defaults to name, source method overrides
end
def build
instance_eval(&@block) if @block
if File.exist?(@source_path)
RenderMePretty.result(@source_path, context: context)
else
puts "ERROR: #{@source_path} does not exist, but it was used as a template source.".colorize(:red)
exit 1
end
end
# Context for ERB rendering.
# This is where we control what references get passed to the ERB rendering.
def context
@context ||= Lono::Template::Context.new(@options)
end
end
Version data entries
13 entries across 13 versions & 1 rubygems