From 9d7aa213771555f03a404a13b409ede9f12d6f11 Mon Sep 17 00:00:00 2001
From: Peter Marton <email@martonpeter.com>
Date: Sun, 29 Jan 2017 14:34:25 +0100
Subject: [PATCH] fix(chunksorter): webpack2 compatible (#569)

---
 lib/chunksorter.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/chunksorter.js b/lib/chunksorter.js
index 8c5faf1..584e01c 100644
--- a/lib/chunksorter.js
+++ b/lib/chunksorter.js
@@ -1,6 +1,7 @@
 'use strict';
 
 var toposort = require('toposort');
+var _ = require('lodash');
 
 /*
   Sorts dependencies between chunks by their "parents" attribute.
@@ -40,7 +41,8 @@ module.exports.dependency = function (chunks) {
     if (chunk.parents) {
       // Add an edge for each parent (parent -> child)
       chunk.parents.forEach(function (parentId) {
-        var parentChunk = nodeMap[parentId];
+        // webpack2 chunk.parents are chunks instead of string id(s)
+        var parentChunk = _.isObject(parentId) ? parentId : nodeMap[parentId];
         // If the parent chunk does not exist (e.g. because of an excluded chunk)
         // we ignore that parent
         if (parentChunk) {