add --platform, fixes #63

bin/triple

@@ -17,6 +17,7 @@ program.description('REPL for Titanium')
 	.option('-m, --module <ids>', 'Add native module(s) to REPL', function list(val) {
 		return val.split(',');
 	})
+	.option('-p, --platform <platform>', 'mobile platform for triple')
 	.option('-v, --verbose', 'Enable verbose output')
 
 program.on('--help', function(){

lib/triple.js

@@ -4,6 +4,7 @@ var _ = require('lodash'),
 	constants = require('./constants'),
 	fs = require('fs-extra'),
 	logger = require('./logger'),
+	os = require('os'),
 	path = require('path'),
 	readline = require('readline'),
 	request = require('request'),
@@ -15,6 +16,7 @@ var _ = require('lodash'),
 
 var TRIPLE_DIR = path.resolve(process.env.HOME || process.env.USERPROFILE || '.', '.triple');
 var TRIPLE_APP = path.join(TRIPLE_DIR, 'app');
+var PLATFORMS = ['android', 'ios'];
 
 var requireRE = /\brequire\s*\(['"](([\w\.\/-]+\/)?([\w\.\/-]*))/,
 	simpleExpressionRE = /(([a-zA-Z_$](?:\w|\$)*)\.)*([a-zA-Z_$](?:\w|\$)*)\.?$/,
@@ -34,6 +36,13 @@ module.exports = function(opts, callback) {
 		logger.verbose = true;
 	}
 
+	// determine which platform to build
+	opts.platform = opts.platform || (os.platform() === 'darwin' ? 'ios' : 'android');
+	if (PLATFORMS.indexOf(opts.platform) === -1) {
+		return callback(new Error('invalid platform "' + opts.platform +
+			'". Must be [' + PLATFORMS.join(',') + '].'));
+	}
+
 	// create .triple folder
 	fs.ensureDirSync(TRIPLE_DIR);