GRADLE & NODE NPM - gradle task for execute npm install and bower install

https://gist.github.com/spikeheap/8558786

import org.gradle.api.tasks.Exec
	defaultTasks 'bower'
	// Get the path for the locally installed binaries
	task npmBin << {
	new ByteArrayOutputStream().withStream { os ->
	def result = exec {
	executable = 'npm'
	args = ['bin']
	standardOutput = os
	}
	ext.binPath = os.toString().trim() + "/"
	}
	}
	// Install packages from package.json
	task npm(type: Exec) {
	description = "Grab NodeJS dependencies (from package.json)"
	commandLine = ["npm", "install"]
	inputs.file "package.json"
	outputs.dir "node_modules"
	tasks.npmBin.execute()
	}
	// Install the bower components for front-end library management
	task bower(dependsOn: 'npm', type: Exec){
	commandLine "${npmBin.binPath}bower", 'install'
	}