created install command and moved cli to local-cli directory

cli.js

@@ -1,48 +1,16 @@
+
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
  */
 
 'use strict';
 
-var spawn = require('child_process').spawn;
-var path = require('path');
-
-function printUsage() {
-  console.log([
-    'Usage: react-native <command>',
-    '',
-    'Commands:',
-    '  start: starts the webserver',
-  ].join('\n'));
-  process.exit(1);
-}
+var cli = require('./local-cli/cli.js');
 
 function run() {
-  var args = process.argv.slice(2);
-  if (args.length === 0) {
-    printUsage();
-  }
-
-  switch (args[0]) {
-  case 'start':
-    spawn('sh', [
-      path.resolve(__dirname, 'packager', 'packager.sh'),
-      '--projectRoots',
-      process.cwd(),
-    ], {stdio: 'inherit'});
-    break;
-  default:
-    console.error('Command `%s` unrecognized', args[0]);
-    printUsage();
-  }
-  // Here goes any cli commands we need to
-}
-
-function init(root, projectName) {
-  spawn(path.resolve(__dirname, 'init.sh'), [projectName], {stdio:'inherit'});
+  cli.run();
 }
 
 module.exports = {
-  run: run,
-  init: init,
+  run: run
 };

local-cli/cli.js

@@ -0,0 +1,53 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ */
+
+'use strict';
+
+var spawn = require('child_process').spawn;
+var path = require('path');
+var install = require('./install.js');
+
+function printUsage() {
+  console.log([
+    'Usage: react-native <command>',
+    '',
+    'Commands:',
+    '  start: starts the webserver',
+    '  install: installs npm react components'
+  ].join('\n'));
+  process.exit(1);
+}
+
+function run() {
+  var args = process.argv.slice(2);
+  if (args.length === 0) {
+    printUsage();
+  }
+
+  switch (args[0]) {
+  case 'start':
+    spawn('sh', [
+      path.resolve(__dirname, 'packager', 'packager.sh'),
+      '--projectRoots',
+      process.cwd(),
+    ], {stdio: 'inherit'});
+    break;
+  case 'install':
+    install.init();
+    break;
+  default:
+    console.error('Command `%s` unrecognized', args[0]);
+    printUsage();
+  }
+  // Here goes any cli commands we need to
+}
+
+function init(root, projectName) {
+  spawn(path.resolve(__dirname, 'init.sh'), [projectName], {stdio:'inherit'});
+}
+
+module.exports = {
+  run: run,
+  init: init,
+};

local-cli/install.js

@@ -0,0 +1,123 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ */
+
+ 'use strict';
+
+var fs = require('fs');
+var exec = require('child_process').exec;
+
+var NODE_MODULE_PATH = './node_modules';
+
+var PODFILE_PATH = './Podfile';
+
+function addDependency(name, path) {
+  console.log('Found dependency: ' + name);
+
+  var podfileText;
+  try {
+    podfileText = fs.readFileSync(PODFILE_PATH, 'utf8');
+  } catch(e) {}
+
+  if (podfileText.indexOf('pod \'' + name + '\'') === -1) {
+    var indexOfReactComponents = podfileText.indexOf('#</React-Native>') - 1;
+
+    var insertedDependency = '\npod \'' + name + '\', :path => \'' + path + '\'\n';
+    var newPodfileText = [podfileText.slice(0, indexOfReactComponents),
+      insertedDependency,
+      podfileText.slice(indexOfReactComponents)].join('');
+
+    fs.writeFileSync(PODFILE_PATH, newPodfileText);
+    console.log('Added ' + name + ' to Podfile.');
+  } else {
+    console.log(name + ' already in Podfile');
+  }
+}
+
+function installDependecies() {
+  console.log('Installing dependencies...');
+  exec('pod install', function(error, stdout, stderr) {
+    if (!stderr) {
+      console.log('Installed Pod dependencies.');
+    } else {
+      console.error('Error installing Pod dependencies.', stderr);
+    }
+    process.exit(1);
+  });
+}
+
+module.exports = {
+  setupPodfile: function() {
+    var podfileText;
+    try {
+      podfileText = fs.readFileSync(PODFILE_PATH, 'utf8');
+    } catch(e) {}
+
+    var openingReactTag = '#<React-Native>';
+    var closingReactTag = '\n#</React-Native>';
+    var reactPodfileBoilerplate = openingReactTag + closingReactTag;
+
+    if (!podfileText) {
+      fs.appendFileSync(PODFILE_PATH, reactPodfileBoilerplate);
+    } else {
+      if (podfileText.indexOf(openingReactTag) === -1 || podfileText.indexOf(closingReactTag) === -1) {
+        fs.appendFileSync(PODFILE_PATH, reactPodfileBoilerplate);
+      }
+    }
+
+    try {
+      podfileText = fs.readFileSync(PODFILE_PATH, 'utf8');
+    } catch(e) {}
+
+    if (podfileText.indexOf('pod \'React\'') === -1) {
+      var indexOfReactComponents = podfileText.indexOf(openingReactTag) + openingReactTag.length;
+
+      var insertedReactDependency = '\npod \'React\', :path => \'node_modules/react-native\'\n';
+      try {
+        var newPodfileText = [podfileText.slice(0, indexOfReactComponents),
+          insertedReactDependency,
+          podfileText.slice(indexOfReactComponents)].join('');
+
+        fs.writeFileSync(PODFILE_PATH, newPodfileText);
+      } catch(e) {
+        throw e;
+      }
+    }
+  },
+  init: function(arguement) {
+    // arguement is available for future arguement commands
+    console.log('Searching for installable React Native components...');
+    this.setupPodfile();
+
+    var nodeModuleList = fs.readdirSync(NODE_MODULE_PATH);
+
+    if (nodeModuleList.length > 0) {
+      nodeModuleList.forEach(function(nodeModule) {
+        // Module would not start with '.' hidden file identifier
+        if (nodeModule.charAt(0) !== '.') {
+          var modulePath = './node_modules/' + nodeModule;
+
+          var nodeModulePackage;
+          try {
+            nodeModulePackage = fs.readFileSync(modulePath + '/package.json', 'utf8');
+          } catch(error) {
+            console.error('Error reading Node Module: `%s` package.json', nodeModule);
+            throw error;
+          }
+
+          var packageJSON = JSON.parse(nodeModulePackage);
+          console.log(packageJSON.hasOwnProperty('react-native-component'));
+          if (packageJSON.hasOwnProperty('react-native-component')) {
+            addDependency(nodeModule, modulePath);
+          }
+        }
+      });
+
+      installDependecies();
+    } else {
+      console.error('./node_modules directory contains 0 modules');
+      console.log('No React Native components found.');
+      process.exit(1);
+    }
+  }
+};

package.json

@@ -26,6 +26,7 @@
     "Examples/SampleApp",
     "Libraries",
     "packager",
+    "local-cli",
     "cli.js",
     "init.sh",
     "LICENSE",

react-native-cli/index.js

@@ -33,7 +33,8 @@ if (cli) {
     process.exit(1);
   }
 
-  if (args[0] === 'init') {
+  switch (args[0]) {
+  case 'init':
     if (args[1]) {
       init(args[1]);
     } else {
@@ -42,13 +43,15 @@ if (cli) {
       );
       process.exit(1);
     }
-  } else {
+    break;
+  default:
     console.error(
       'Command `%s` unrecognized. ' +
       'Did you mean to run this inside a react-native project?',
       args[0]
     );
     process.exit(1);
+    break;
   }
 }