Initial Require.JS Task Implementation

src/main/groovy/com/eriwen/gradle/js/JsPlugin.groovy

@@ -24,6 +24,7 @@ class JsPlugin implements Plugin<Project> {
     void apply(final Project project) {
         project.extensions.create(ClosureCompilerExtension.NAME, ClosureCompilerExtension)
         project.extensions.create(JsDocExtension.NAME, JsDocExtension)
+        project.extensions.create(RequireJsExtension.NAME, RequireJsExtension)
         project.extensions.create(Props2JsExtension.NAME, Props2JsExtension)
         project.extensions.create(JavaScriptExtension.NAME, JavaScriptExtension, project)
 
@@ -39,6 +40,7 @@ class JsPlugin implements Plugin<Project> {
         project.task('jshint', type: JsHintTask, group: 'Verification', description: 'Analyze JavaScript sources with JSHint') {}
         project.task('jsdoc', type: JsDocTask, group: 'Documentation', description: 'Produce HTML documentation with JSDoc 3') {}
         project.task('props2js', type: Props2JsTask, group: 'Build', description: 'Convert Java properties files for use with JavaScript') {}
+        project.task('requirejs', type: RequireJsTask, group: 'Build', description: 'Run the r.js Optimizer to produce Require.js output') {}
     }
 
     void configureDependencies(final Project project) {
@@ -50,9 +52,9 @@ class JsPlugin implements Plugin<Project> {
         }
         project.dependencies {
             rhino 'org.mozilla:rhino:1.7R4'
-//            rhino 'com.google.code.gson:gson:2.2.1'
-            //add javaScript.gradlePublicJavaScriptRepository
-            //add javaScript.googleApisRepository
+            // rhino 'com.google.code.gson:gson:2.2.1'
+            // add javaScript.gradlePublicJavaScriptRepository
+            // add javaScript.googleApisRepository
         }
         // TODO: have 'check' depend on jshint
     }

src/main/groovy/com/eriwen/gradle/js/RequireJsExtension.groovy

@@ -0,0 +1,24 @@
+/**
+ * Copyright 2012 Joe Fitzgerald
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.eriwen.gradle.js
+
+import org.gradle.api.tasks.Input
+
+class RequireJsExtension {
+    public static final String NAME = 'requirejs'
+
+    @Input LinkedHashMap<String, Object> options = []
+}

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

@@ -0,0 +1,67 @@
+/**
+ * Copyright 2012 Joe Fitzgerald
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.eriwen.gradle.js.tasks
+
+import org.gradle.api.tasks.TaskAction
+import com.eriwen.gradle.js.ResourceUtil
+import com.eriwen.gradle.js.RhinoExec
+import org.gradle.api.tasks.SourceTask
+import org.gradle.api.tasks.OutputFile
+import org.mozilla.javascript.*;
+
+class RequireJsTask extends SourceTask {
+    private static final String REQUIREJS_PATH = 'r.js'
+    private static final String TMP_DIR = "tmp${File.separator}js"
+    private static final ResourceUtil RESOURCE_UTIL = new ResourceUtil()
+    private final RhinoExec rhino = new RhinoExec(project)
+
+    @OutputFile def dest
+
+    def ignoreExitCode = false;
+
+    File getDest() {
+        project.file(dest)
+    }
+
+    @TaskAction
+    def run() {
+        final File requireJsFile = RESOURCE_UTIL.extractFileToDirectory(
+                new File(project.buildDir, TMP_DIR), REQUIREJS_PATH)
+        LinkedHashMap<String, Object> options = [optimize: "none", logLevel: 2, skipModuleInsertion: false, jamConfig: "jam/require.config.js", out: dest]
+        options.putAll(project.options)
+
+        // Set Some Options Based On The jam File
+        File jamFile = new File(options.jamConfig);
+        if (jamFile.exists()) {
+            Context cx = Context.enter();
+            try {
+                Scriptable scope = cx.initStandardObjects()
+                String s = jamFile.text
+                Object result = cx.evaluateString(scope, s, options.jamConfig, 1, null)
+                logger.debug(result.toString())
+            } finally {
+                Context.exit();
+            }
+        }
+
+        final List<String> args = []
+        options.each() { key, value ->
+            logger.debug("${key} == ${value}")
+            args.add("${key}=${value}")
+        }
+        rhino.execute(args, [ignoreExitCode: ignoreExitCode])
+    }
+}