jakefile

var fs = require('fs'),
	uglify = require('uglify-js')

function buildMinifiedJs(string) {

	var ast,
		compressor = uglify.Compressor()

	ast = uglify.parse(string)
	ast.figure_out_scope()
	ast.transform(compressor)
	ast.figure_out_scope()
	ast.compute_char_frequency()
	ast.mangle_names()

	return ast.print_to_string({"comments": /adrian sieber/i})
}


desc('Default build process')
task('default', ['dominate.min.js', 'dominate.essential.min.js'], function() {
})


desc('Compile dominate.min.js')
task('dominate.min.js', [], {async: true}, function() {

	var jsString = fs.readFileSync('src/dominate.js').toString(),
		file = fs.openSync('dominate.min.js', 'w+'),
		version = JSON.parse(fs.readFileSync('package.json')).version

	jsString = buildMinifiedJs(jsString.replace('{{ VERSION }}', version))

	fs.write(file, jsString, undefined, undefined,  function() {
		console.log('Building dominate.min.js succeeded')
	})

	complete()
})


desc('Compile dominate.essential.min.js')
task('dominate.essential.min.js', [], {async: true}, function() {

	var jsString = fs.readFileSync('src/dominate.essential.js').toString(),
		file = fs.openSync('dominate.essential.min.js', 'w+')

	fs.write(file, buildMinifiedJs(jsString), undefined, undefined, function() {
		console.log('Building dominate.essential.min.js succeeded')
	})

	complete()
})


desc('Remove compiled files')
task('clean', [], {async: true}, function() {

	var files = [
		'dominate.min.js',
		'dominate.essential.min.js'
	]

	files.forEach(function(file) {
		fs.exists(file, function(exists) {

			if(exists)
				fs.unlink(file, function(err) {
					if(err) console.log(err)
				})
		})
	})

	complete()
})