From ef209c1a33c74b7f9e4129ef32b8d261c73b8343 Mon Sep 17 00:00:00 2001
From: Arthur Lee <arthur@arthurlee.me>
Date: Tue, 14 Apr 2015 20:19:58 -0400
Subject: [PATCH] Added bundle command using ReactPackager

Added bundle script
Pipe http response straight to file
Used ReactPackager directly, minor fixes
---
 Examples/SampleApp/iOS/AppDelegate.m |  5 ++-
 local-cli/bundle.js                  | 59 ++++++++++++++++++++++++++++
 local-cli/cli.js                     |  7 +++-
 3 files changed, 68 insertions(+), 3 deletions(-)
 create mode 100644 local-cli/bundle.js

diff --git a/Examples/SampleApp/iOS/AppDelegate.m b/Examples/SampleApp/iOS/AppDelegate.m
index 5b6cc2d58e30b6..bb30741d86939d 100644
--- a/Examples/SampleApp/iOS/AppDelegate.m
+++ b/Examples/SampleApp/iOS/AppDelegate.m
@@ -29,9 +29,10 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
   jsCodeLocation = [NSURL URLWithString:@"http://localhost:8081/Examples/SampleApp/index.ios.bundle"];
 
   // OPTION 2
-  // Load from pre-bundled file on disk. To re-generate the static bundle, run
+  // Load from pre-bundled file on disk. To re-generate the static bundle,
+  // from the root of your project directory, run
   //
-  // $ curl 'http://localhost:8081/Examples/SampleApp/index.ios.bundle?dev=false&minify=true' -o iOS/main.jsbundle
+  // $ react-native bundle
   //
   // and uncomment the next following line
   // jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
diff --git a/local-cli/bundle.js b/local-cli/bundle.js
new file mode 100644
index 00000000000000..f3dab2d44a5f64
--- /dev/null
+++ b/local-cli/bundle.js
@@ -0,0 +1,59 @@
+var http = require('http');
+var fs = require('fs');
+var path = require('path');
+var blacklist = require('../packager/blacklist.js');
+var ReactPackager = require('../packager/react-packager');
+
+var OUT_PATH = 'iOS/main.jsbundle';
+
+function getBundle(flags) {
+
+  var options = {
+    projectRoots: [path.resolve(__dirname, '../../..')],
+    transformModulePath: require.resolve('../packager/transformer.js'),
+    assetRoots: [path.resolve(__dirname, '../../..')],
+    cacheVersion: '2',
+    blacklistRE: blacklist('ios')
+  };
+
+  var url = '/index.ios.bundle?dev=' + flags.dev;
+
+  console.log('Building package...');
+  ReactPackager.buildPackageFromUrl(options, url)
+    .then(function(bundle) {
+      console.log('Build complete');
+      fs.writeFile(OUT_PATH, bundle.getSource({
+        inlineSourceMap: false,
+        minify: flags.minify
+      }), function() {
+        console.log('Successfully saved bundle to ' + OUT_PATH);
+      });
+    });
+}
+
+function showHelp() {
+  console.log([
+    'Usage: react-native bundle [options]',
+    '',
+    'Options:',
+    '  --dev\t\tsets DEV flag to true',
+    '  --minify\tminify js bundle'
+  ].join('\n'));
+  process.exit(1);
+}
+
+module.exports = {
+  init: function(args) {
+    var flags = {
+      help: args.indexOf('--help') !== -1,
+      dev: args.indexOf('--dev') !== -1,
+      minify: args.indexOf('--minify') !== -1
+    }
+
+    if (flags.help) {
+      showHelp();
+    } else {
+      getBundle(flags);
+    }
+  }
+}
diff --git a/local-cli/cli.js b/local-cli/cli.js
index 48dc9e5dc03b4a..99d05c7c9fc647 100644
--- a/local-cli/cli.js
+++ b/local-cli/cli.js
@@ -7,6 +7,7 @@
 var spawn = require('child_process').spawn;
 var path = require('path');
 var install = require('./install.js');
+var bundle = require('./bundle.js');
 
 function printUsage() {
   console.log([
@@ -14,7 +15,8 @@ function printUsage() {
     '',
     'Commands:',
     '  start: starts the webserver',
-    '  install: installs npm react components'
+    '  install: installs npm react components',
+    '  bundle: builds the javascript bundle for offline use'
   ].join('\n'));
   process.exit(1);
 }
@@ -36,6 +38,9 @@ function run() {
   case 'install':
     install.init();
     break;
+  case 'bundle':
+    bundle.init(args);
+    break;
   default:
     console.error('Command `%s` unrecognized', args[0]);
     printUsage();