Bare minimum sanity check for GCC

Gruntfile.js

@@ -3,6 +3,7 @@
 var exec = require('child_process').exec;
 var jsxTask = require('./grunt/tasks/jsx');
 var browserifyTask = require('./grunt/tasks/browserify');
+var closureTask = require('./grunt/tasks/closure');
 var populistTask = require('./grunt/tasks/populist');
 var webdriverPhantomJSTask = require('./grunt/tasks/webdriver-phantomjs');
 var webdriverJasmineTasks = require('./grunt/tasks/webdriver-jasmine');
@@ -55,6 +56,8 @@ module.exports = function(grunt) {
   // Our own browserify-based tasks to build a single JS file build
   grunt.registerMultiTask('browserify', browserifyTask);
 
+  grunt.registerTask('closure', closureTask);
+
   grunt.registerMultiTask('populist', populistTask);
 
   grunt.registerTask('sauce-tunnel', sauceTunnelTask);
@@ -71,22 +74,24 @@ module.exports = function(grunt) {
 
   grunt.registerTask('version-check', versionCheckTask);
 
-  grunt.registerTask('build:basic', ['jsx:normal', 'version-check', 'browserify:basic']);
-  grunt.registerTask('build:addons', ['jsx:normal', 'browserify:addons']);
+  grunt.registerTask('build:basic', ['jsx:normal', 'version-check', 'browserify:basic', 'closure']);
+  grunt.registerTask('build:addons', ['jsx:normal', 'browserify:addons', 'closure']);
   grunt.registerTask('build:transformer', ['jsx:normal', 'browserify:transformer']);
-  grunt.registerTask('build:min', ['jsx:normal', 'version-check', 'browserify:min']);
-  grunt.registerTask('build:addons-min', ['jsx:normal', 'browserify:addonsMin']);
+  grunt.registerTask('build:min', ['jsx:normal', 'version-check', 'browserify:min', 'closure']);
+  grunt.registerTask('build:addons-min', ['jsx:normal', 'browserify:addonsMin', 'closure']);
   grunt.registerTask('build:withCodeCoverageLogging', [
     'jsx:normal',
     'version-check',
-    'browserify:withCodeCoverageLogging'
+    'browserify:withCodeCoverageLogging',
+    'closure'
   ]);
   grunt.registerTask('build:perf', [
     'jsx:normal',
     'version-check',
     'browserify:transformer',
     'browserify:basic',
     'browserify:min',
+    'closure',
     'download-previous-version'
   ]);
   grunt.registerTask('build:test', [

grunt/tasks/closure.js

@@ -0,0 +1,14 @@
+var execSync = require('execSync');
+
+var CLOSURE_CMD = 'java -jar ./vendor/closure/compiler.jar --js_output_file ./build/react.closure.js --externs ./vendor/closure/externs_react.js --compilation_level ADVANCED_OPTIMIZATIONS ./build/modules/*.js';
+module.exports = function() {
+  var deps = JSON.parse(
+    execSync.exec('module-deps ./build/modules/React.js').stdout
+  ).map(function(dep) {
+    return dep.id;
+  });
+
+  if (execSync.exec(CLOSURE_CMD).code !== 0) {
+    grunt.log.error('Closure compiler did not exit with status 0');
+  }
+};

package.json

@@ -43,6 +43,7 @@
     "envify": "~1.2.0",
     "es3ify": "~0.1.2",
     "es5-shim": "~2.3.0",
+    "execSync": "~1.0.1-pre",
     "grunt": "~0.4.2",
     "grunt-cli": "~0.1.9",
     "grunt-compare-size": "~0.4.0",
@@ -56,6 +57,7 @@
     "jasmine-tapreporter": "~0.2.2",
     "lodash": "~2.4.1",
     "microtime": "~0.5.1",
+    "module-deps": "~1.7.0",
     "optimist": "~0.6.0",
     "phantomjs": "~1.9",
     "platform": "~1.0.0",