Only allow valid identifier names as project names. Fixes #213

react-native-cli/index.js

@@ -53,6 +53,15 @@ if (cli) {
 }
 
 function init(name) {
+  if (!name.match(/^[$A-Z_][0-9A-Z_$]*$/i)) {
+    console.error(
+      '"%s" is not a valid name for a project. Please use a valid identifier ' +
+        'name (alphanumeric).',
+      name
+    );
+    process.exit(1);
+  }
+
   var root = path.resolve(name);
   var projectName = path.basename(root);