From 65f7b389ccedaf979575c287c576b0f387549211 Mon Sep 17 00:00:00 2001
From: Philip Roberts <phil@latentflip.com>
Date: Tue, 21 Jun 2016 20:08:49 +0100
Subject: [PATCH] Validate project name in generator to ensure it's a valid npm
 package name (#298)

---
 .../generator-react-server/generators/app/index.js | 14 +++++++++++++-
 packages/generator-react-server/package.json       |  1 +
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/packages/generator-react-server/generators/app/index.js b/packages/generator-react-server/generators/app/index.js
index 977b10dc1..a54a392cf 100644
--- a/packages/generator-react-server/generators/app/index.js
+++ b/packages/generator-react-server/generators/app/index.js
@@ -2,6 +2,7 @@
 var yeoman = require('yeoman-generator');
 var chalk = require('chalk');
 var yosay = require('yosay');
+var validatePackageName = require('validate-npm-package-name');
 
 module.exports = yeoman.Base.extend({
 	prompting: function () {
@@ -13,7 +14,18 @@ module.exports = yeoman.Base.extend({
 			type: 'input',
 			name: 'name',
 			message: 'What would you like to call your app?',
-			default: this.appname
+			default: this.appname.trim().replace(/\s+/g, '-'),
+			validate: function (name) {
+				var validation = validatePackageName(name);
+				var warnings = validation.warnings || [];
+				var errors = validation.errors || [];
+
+				if (validation.validForNewPackages) {
+					return true;
+				}
+
+				return warnings.concat(errors).join('\n');
+			}
 		}, {
 			type: 'confirm',
 			name: 'dockerCfg',
diff --git a/packages/generator-react-server/package.json b/packages/generator-react-server/package.json
index c2e372f83..5d7e25ed8 100644
--- a/packages/generator-react-server/package.json
+++ b/packages/generator-react-server/package.json
@@ -18,6 +18,7 @@
   ],
   "dependencies": {
     "chalk": "^1.0.0",
+    "validate-npm-package-name": "^2.2.2",
     "yeoman-generator": "^0.23.0",
     "yosay": "^1.0.0"
   },