Ensure license and patents files are packaged for npm

Author: zpao

grunt/tasks/npm-react-addons.js

@@ -73,13 +73,13 @@ function generateSource(info) {
 
 function buildReleases() {
   var pkgTemplate = grunt.file.readJSON('./packages/react-addons/package.json');
-  var license = grunt.file.read('./LICENSE');
-  var patents = grunt.file.read('./PATENTS');
 
   Object.keys(addons).map(function(k) {
     var info = addons[k];
     var pkgName = 'react-addons-' + info.name;
     var destDir = 'build/packages/' + pkgName;
+    var destLicense = path.join(destDir, 'LICENSE');
+    var destPatents = path.join(destDir, 'PATENTS');
 
     var pkgData = assign({}, pkgTemplate);
     pkgData.name = pkgName;
@@ -89,8 +89,8 @@ function buildReleases() {
     link = `https://facebook.github.io/react/docs/${link}.html`;
     fs.writeFileSync(path.join(destDir, 'index.js'), generateSource(info));
     fs.writeFileSync(path.join(destDir, 'package.json'), JSON.stringify(pkgData, null, 2));
-    fs.writeFileSync(path.join(destDir, 'LICENSE'), license);
-    fs.writeFileSync(path.join(destDir, 'PATENTS'), patents);
+    grunt.file.copy('LICENSE', destLicense);
+    grunt.file.copy('PATENTS', destPatents);
     fs.writeFileSync(
       path.join(destDir, 'README.md'),
       `

grunt/tasks/npm-react-dom.js

@@ -18,7 +18,8 @@ function buildRelease() {
 
   // Copy to build/packages/react-dom
   var mappings = [].concat(
-    grunt.file.expandMapping('**/*', dest, {cwd: src})
+    grunt.file.expandMapping('**/*', dest, {cwd: src}),
+    grunt.file.expandMapping('{LICENSE,PATENTS}', dest)
   );
   mappings.forEach(function(mapping) {
     var mappingSrc = mapping.src[0];

grunt/tasks/npm-react.js

@@ -28,7 +28,8 @@ function buildRelease() {
   // and build/modules/**/* to build/react-core/lib
   var mappings = [].concat(
     grunt.file.expandMapping('**/*', dest, {cwd: src}),
-    grunt.file.expandMapping('**/*', lib, {cwd: modSrc})
+    grunt.file.expandMapping('**/*', lib, {cwd: modSrc}),
+    grunt.file.expandMapping('{LICENSE,PATENTS}', dest)
   );
   mappings.forEach(function(mapping) {
     var mappingSrc = mapping.src[0];

packages/react/package.json

@@ -9,6 +9,8 @@
   "bugs": "https://github.com/facebook/react/issues",
   "license": "BSD-3-Clause",
   "files": [
+    "LICENSE",
+    "PATENTS",
     "addons.js",
     "react.js",
     "addons/",