From 4f47d0d3fa94a02d16b1162dffdc4332a4466c0e Mon Sep 17 00:00:00 2001
From: Adriano Raiano <adriano@raiano.ch>
Date: Sat, 18 Aug 2018 21:31:43 +0200
Subject: [PATCH] warn if node.js runtime version does not satisfy the version
 requested by a plugin

---
 lib/base.js  | 16 +++++++++++++++-
 package.json |  1 +
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/lib/base.js b/lib/base.js
index 996e840..26b168e 100644
--- a/lib/base.js
+++ b/lib/base.js
@@ -3,7 +3,8 @@ var util = require('util'),
     _ = require('lodash'),
     prequire = require('parent-require'),
     uuid = require('uuid').v4,
-    ViewModel = require('./viewmodel');
+    ViewModel = require('./viewmodel'),
+    semver = require('semver');
 
 /**
  * Repository constructor
@@ -158,11 +159,24 @@ Repository.ViewModel = ViewModel;
 
 Repository.use = function (toRequire) {
   var required;
+  var prequired = false;
   try {
     required = require(toRequire);
   } catch (e) {
     // workaround when `npm link`'ed for development
     required = prequire(toRequire);
+    prequired = true;
+  }
+  if (toRequire.indexOf('.') !== 0 && toRequire.indexOf('/') !== 0 && toRequire.split('/').length < 2) {
+    try {
+      var requiredPkgJson;
+      requiredPkgJson = prequired ? prequire(toRequire + '/package.json') : require(toRequire + '/package.json');
+      if (requiredPkgJson && requiredPkgJson.engines && requiredPkgJson.engines.node &&
+          !semver.satisfies(process.version, requiredPkgJson.engines.node)) {
+        console.error('Your node.js runtime version (' + process.version + ') does not satisfy the version requested by ' + toRequire + ' (' + requiredPkgJson.engines.node + ')!');
+        process.exit(1);
+      }
+    } catch (e) {}
   }
   return required;
 };
diff --git a/package.json b/package.json
index 7432f9b..fb3404e 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "jsondate": "0.0.1",
     "lodash": "4.17.10",
     "parent-require": "1.0.0",
+    "semver": "5.5.1",
     "sift": "5.0.0",
     "tolerance": "1.0.0",
     "uuid": "3.1.0"