update build.gradle to read project.json and exclude devDependencies from being read and built

Author: petekanev

build/project-template-gradle/build.gradle

@@ -18,6 +18,8 @@
 *			-PdontRunSbg=[true/false] (default false)
 */
 
+import groovy.json.JsonSlurper //used to parse package.json
+
 buildscript {
     repositories {
         jcenter()
@@ -41,6 +43,9 @@ def libDir = "$projectDir/../../lib/Android/"
 def flavorNames = new ArrayList<String>()
 def configDir = file(configurationsDir)
 
+def packageJsonContents = [:]
+def excludedDevDependencies = ['**/.bin/**']
+
 def dontRunSbg = project.hasProperty("dontRunSbg");
 
 def asbgProject = project(":asbg")
@@ -92,6 +97,21 @@ def renameResultApks (variant) {
 	}    
 }
 
+// gets the devDependencies declared in the package.json and excludes them from the build
+task getDevDependencies << {
+	println "$configStage getDevDependencies"
+	
+	String content = new File("$rootDir/../../package.json").getText("UTF-8")
+	def jsonSlurper = new JsonSlurper()
+	def packageJsonMap = jsonSlurper.parseText(content)
+	
+	packageJsonContents = packageJsonMap.devDependencies;
+	
+	packageJsonContents.each { entry ->
+		excludedDevDependencies.add(entry.key + '/platforms/android/**/*.jar')
+	}
+}
+
 ////////////////////////////////////////////////////////////////////////////////////
 ///////////////////////////// CONFIGURATIONS ///////////////////////////////////////
 ////////////////////////////////////////////////////////////////////////////////////
@@ -173,7 +193,7 @@ dependencies {
 	compile fileTree(dir: "$projectDir/libs", include: ["**/*.jar"])
 
 	// take all jars within the node_modules dir
-	compile fileTree(dir: nodeModulesDir, include: ["**/platforms/android/**/*.jar"], exclude: '**/.bin/**')
+	compile fileTree(dir: nodeModulesDir, include: ["**/platforms/android/**/*.jar"], exclude: excludedDevDependencies)
 
 	//when gradle has aar support this will be preferred instead of addAarDependencies
 	// compile files("$rootDir/libs/aar") {