Check if NodeJS version is compatible before running any command

bin/gh.js

@@ -13,9 +13,17 @@
 
 var path = require('path'),
     fs = require('fs'),
+    logger = require('../lib/logger'),
+    pkg = require('../package.json'),
+    semver = require('semver'),
     tracker = require('../lib/tracker'),
     configs = require('../lib/configs');
 
+// Check node version
+if (!isCompatibleNodeVersion()) {
+    logger.error('Please update your NodeJS version: http://nodejs.org/download');
+}
+
 if (!fs.existsSync(configs.getUserHomePath())) {
     configs.createGlobalConfig();
 }
@@ -25,12 +33,16 @@ if (configs.getConfig()[configs.PLUGINS_PATH_KEY] === undefined) {
     configs.getNodeModulesGlobalPath();
 }
 
+// -- Env ------------------------------------------------------------------------------------------
 try {
-    // -- Env ------------------------------------------------------------------------------------------
     process.env.GH_PATH = path.join(__dirname, '../');
 
     require('../lib/cmd.js').run();
 } catch (e) {
     tracker.track('error');
     throw e;
 }
+
+function isCompatibleNodeVersion() {
+    return semver.satisfies(process.version, pkg.engines.node);
+}

package.json

@@ -50,6 +50,7 @@
     "moment": "^2.9.0",
     "nopt": "^3.0.1",
     "open": "^0.0.5",
+    "semver": "^4.3.1",
     "truncate": "^1.0.2",
     "update-notifier": "^0.3.0",
     "userhome": "^1.0.0",