1 files changed, 6 insertions, 5 deletions
diff --git a/deps/npm/node_modules/resolve/lib/sync.js b/deps/npm/node_modules/resolve/lib/sync.js
index da74e19d0c..d5308c926e 100644
--- a/deps/npm/node_modules/resolve/lib/sync.js
+++ b/deps/npm/node_modules/resolve/lib/sync.js
@@ -1,9 +1,9 @@
-var isCore = require('./is-core');
+var isCore = require('is-core-module');
 var fs = require('fs');
 var path = require('path');
-var caller = require('./caller.js');
-var nodeModulesPaths = require('./node-modules-paths.js');
-var normalizeOptions = require('./normalize-options.js');
+var caller = require('./caller');
+var nodeModulesPaths = require('./node-modules-paths');
+var normalizeOptions = require('./normalize-options');
 
 var realpathFS = fs.realpathSync && typeof fs.realpathSync.native === 'function' ? fs.realpathSync.native : fs.realpathSync;
 
@@ -66,6 +66,7 @@ module.exports = function resolveSync(x, options) {
     var packageIterator = opts.packageIterator;
 
     var extensions = opts.extensions || ['.js'];
+    var includeCoreModules = opts.includeCoreModules !== false;
     var basedir = opts.basedir || path.dirname(caller());
     var parent = opts.filename || basedir;
 
@@ -79,7 +80,7 @@ module.exports = function resolveSync(x, options) {
         if (x === '.' || x === '..' || x.slice(-1) === '/') res += '/';
         var m = loadAsFileSync(res) || loadAsDirectorySync(res);
         if (m) return maybeRealpathSync(realpathSync, m, opts);
-    } else if (isCore(x)) {
+    } else if (includeCoreModules && isCore(x)) {
         return x;
     } else {
         var n = loadNodeModulesSync(x, absoluteStart);