Added support for specifying an output directory not just an output file

Cleaned up the boolean logic for when out and dir args are added to command line

src/main/groovy/com/eriwen/gradle/js/tasks/RequireJsTask.groovy

@@ -16,6 +16,8 @@
 package com.eriwen.gradle.js.tasks
 
 import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.Optional
+import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
 import com.eriwen.gradle.js.ResourceUtil
 import com.eriwen.gradle.js.RhinoExec
@@ -28,12 +30,16 @@ class RequireJsTask extends SourceTask {
     private static final ResourceUtil RESOURCE_UTIL = new ResourceUtil()
     private final RhinoExec rhino = new RhinoExec(project)
 
-    @OutputFile def dest
-    @Input def ignoreExitCode = false
+    @OutputDirectory
+    @Optional
+    def destDir
 
-    File getDest() {
-        project.file(dest)
-    }
+    @OutputFile
+    @Optional
+    def dest
+
+    @Input
+    def ignoreExitCode = false
 
     @TaskAction
     def run() {
@@ -47,17 +53,17 @@ class RequireJsTask extends SourceTask {
             args.add("${project.requirejs.buildprofile.canonicalPath}")
         }
 
-        def outAdded = false
-        if (!options.containsKey("out")) {
-            args.add("out=${getDest().canonicalPath}")
-            outAdded = true
+        if (destDir) {
+            args.add("dir=${ project.file(destDir).canonicalPath}")
         }
+        if (dest) {
+            args.add("out=${ project.file(dest).canonicalPath}")
+        }
+
         options.each() { key, value ->
-            logger.debug("${key} == ${value}")
-            if (key.equalsIgnoreCase("out") & !outAdded) {
-                args.add("out=${getDest().canonicalPath}")
-                outAdded = true
-            } else {
+            logger.debug("${key} == ${options[value]}")
+            def keyAlreadyAdded = (key.equalsIgnoreCase("out") && dest) || (key.equalsIgnoreCase("dir") && destDir)
+            if (!keyAlreadyAdded) {
                 args.add("${key}=${value}")
             }
         }