[react-packager] Implement Packager::getAssets

react-packager/src/Packager/Package.js

@@ -17,6 +17,7 @@ module.exports = Package;
 function Package(sourceMapUrl) {
   this._finalized = false;
   this._modules = [];
+  this._assets = [];
   this._sourceMapUrl = sourceMapUrl;
 }
 
@@ -36,6 +37,10 @@ Package.prototype.addModule = function(
   });
 };
 
+Package.prototype.addAsset = function(asset) {
+  this._assets.push(asset);
+};
+
 Package.prototype.finalize = function(options) {
   options = options || {};
   if (options.runMainModule) {
@@ -49,6 +54,8 @@ Package.prototype.finalize = function(options) {
 
   Object.freeze(this._modules);
   Object.seal(this._modules);
+  Object.freeze(this._assets);
+  Object.seal(this._assets);
   this._finalized = true;
 };
 
@@ -146,6 +153,10 @@ Package.prototype.getSourceMap = function(options) {
   return map;
 };
 
+Package.prototype.getAssets = function() {
+  return this._assets;
+};
+
 Package.prototype._getMappings = function() {
   var modules = this._modules;
 

react-packager/src/Packager/__tests__/Package-test.js

@@ -76,6 +76,18 @@ describe('Package', function() {
       expect(s).toEqual(genSourceMap(p._modules));
     });
   });
+
+  describe('getAssets()', function() {
+    it('should save and return asset objects', function() {
+      var p = new Package('test_url');
+      var asset1 = {};
+      var asset2 = {};
+      p.addAsset(asset1);
+      p.addAsset(asset2);
+      p.finalize();
+      expect(p.getAssets()).toEqual([asset1, asset2]);
+    });
+  });
 });
 
  function genSourceMap(modules) {

react-packager/src/Packager/__tests__/Packager-test.js

@@ -140,6 +140,14 @@ describe('Packager', function() {
         expect(p.finalize.mock.calls[0]).toEqual([
           {runMainModule: true}
         ]);
+
+        expect(p.addAsset.mock.calls[0]).toEqual([
+          imgModule_DEPRECATED
+        ]);
+
+        expect(p.addAsset.mock.calls[1]).toEqual([
+          imgModule
+        ]);
       });
   });
 

react-packager/src/Packager/index.js

@@ -100,9 +100,9 @@ Packager.prototype.kill = function() {
 };
 
 Packager.prototype.package = function(main, runModule, sourceMapUrl, isDev) {
-  var transformModule = this._transformModule.bind(this);
   var ppackage = new Package(sourceMapUrl);
 
+  var transformModule = this._transformModule.bind(this, ppackage);
   var findEventId = Activity.startEvent('find dependencies');
   var transformEventId;
 
@@ -140,16 +140,13 @@ Packager.prototype.getDependencies = function(main, isDev) {
   return this._resolver.getDependencies(main, { dev: isDev });
 };
 
-Packager.prototype._transformModule = function(module) {
+Packager.prototype._transformModule = function(ppackage, module) {
   var transform;
 
   if (module.isAsset_DEPRECATED) {
-    transform = generateAssetModule_DEPRECATED(module);
+    transform = this.generateAssetModule_DEPRECATED(ppackage, module);
   } else if (module.isAsset) {
-    transform = generateAssetModule(
-      module,
-      getPathRelativeToRoot(this._projectRoots, module.path)
-    );
+    transform = this.generateAssetModule(ppackage, module);
   } else {
     transform = this._transformer.loadFileAndTransform(
       path.resolve(module.path)
@@ -166,17 +163,11 @@ Packager.prototype._transformModule = function(module) {
   });
 };
 
-
-function verifyRootExists(root) {
-  // Verify that the root exists.
-  assert(fs.statSync(root).isDirectory(), 'Root has to be a valid directory');
-}
-
 Packager.prototype.getGraphDebugInfo = function() {
   return this._resolver.getDebugInfo();
 };
 
-function generateAssetModule_DEPRECATED(module) {
+Packager.prototype.generateAssetModule_DEPRECATED = function(ppackage, module) {
   return sizeOf(module.path).then(function(dimensions) {
     var img = {
       isStatic: true,
@@ -187,6 +178,7 @@ function generateAssetModule_DEPRECATED(module) {
       deprecated: true,
     };
 
+    ppackage.addAsset(img);
 
     var code = 'module.exports = ' + JSON.stringify(img) + ';';
 
@@ -196,9 +188,11 @@ function generateAssetModule_DEPRECATED(module) {
       sourcePath: module.path,
     };
   });
-}
+};
+
+Packager.prototype.generateAssetModule = function(ppackage, module) {
+  var relPath = getPathRelativeToRoot(this._projectRoots, module.path);
 
-function generateAssetModule(module, relPath) {
   return sizeOf(module.path).then(function(dimensions) {
     var img = {
       isStatic: true,
@@ -208,6 +202,8 @@ function generateAssetModule(module, relPath) {
       height: dimensions.height / module.resolution,
     };
 
+    ppackage.addAsset(img);
+
     var code = 'module.exports = ' + JSON.stringify(img) + ';';
 
     return {
@@ -231,4 +227,9 @@ function getPathRelativeToRoot(roots, absPath) {
   );
 }
 
+function verifyRootExists(root) {
+  // Verify that the root exists.
+  assert(fs.statSync(root).isDirectory(), 'Root has to be a valid directory');
+}
+
 module.exports = Packager;