Node.js server-side compile Hogan.js templates

route.coffee

Hogan = require 'hogan'
fs = require 'fs'

# The templates route generates the JavaScript file
# for the server side compiled Hogan templates.
exports.templates = (req, res) ->
	compileTemplate = (template, callback) ->
		filename = __dirname + '/../templates/' + template + '.hogan'
		fs.readFile filename, (err, contents) ->
			if err
				throw err
			else
				temp = Hogan.compile contents.toString(), {asString : true}
				callback '\nT.' + template + '=' + temp

	templates = ['home', 'detail', 'search', 'settings']
	result = 'T={};'
	current = 0
	for template in templates
		compileTemplate template, (templateJS) ->
			result += templateJS
			# when all templates have been read
			# send the genertate JS file back.
			if ++current >= templates.length
				res.contentType 'text/javascript'
				res.send result