fix unstable sorting of ChunkGroups and add test

sokra · sokra · commit 8e2e19ba50b1 · 2018-04-17T09:36:26.000+02:00
diff --git a/lib/Chunk.js b/lib/Chunk.js
@@ -389,7 +389,7 @@ class Chunk {
 				const cmp = b.order - a.order;
 				if (cmp !== 0) return cmp;
 				// TOOD webpack 5 remove this check of compareTo
-				if (a.compareTo) return a.compareTo(b);
+				if (a.group.compareTo) return a.group.compareTo(b.group);
 				return 0;
 			});
 			result[name] = Array.from(
diff --git a/lib/ChunkGroup.js b/lib/ChunkGroup.js
@@ -349,7 +349,7 @@ class ChunkGroup {
 				const cmp = b.order - a.order;
 				if (cmp !== 0) return cmp;
 				// TOOD webpack 5 remove this check of compareTo
-				if (a.compareTo) return a.compareTo(b);
+				if (a.group.compareTo) return a.group.compareTo(b.group);
 				return 0;
 			});
 			result[name] = list.map(i => i.group);
diff --git a/test/statsCases/prefetch-preload-mixed/expected.txt b/test/statsCases/prefetch-preload-mixed/expected.txt
@@ -1,7 +1,7 @@
-chunk    {0} a.js (a) 136 bytes <{3}> >{10}< >{9}< (prefetch: {10} {9}) [rendered]
+chunk    {0} a.js (a) 136 bytes <{3}> >{10}< >{9}< (prefetch: {9} {10}) [rendered]
 chunk    {1} b.js (b) 203 bytes <{3}> >{6}< >{7}< >{8}< (prefetch: {6} {8}) (preload: {7}) [rendered]
 chunk    {2} c.js (c) 134 bytes <{3}> >{4}< >{5}< (preload: {4} {5}) [rendered]
-chunk    {3} main.js (main) 126 bytes >{0}< >{1}< >{2}< [entry] [rendered]
+chunk    {3} main.js (main) 195 bytes >{0}< >{1}< >{2}< (prefetch: {0} {1} {2}) [entry] [rendered]
 chunk    {4} c1.js (c1) 0 bytes <{2}> [rendered]
 chunk    {5} c2.js (c2) 0 bytes <{2}> [rendered]
 chunk    {6} b1.js (b1) 0 bytes <{1}> [rendered]
diff --git a/test/statsCases/prefetch-preload-mixed/index.js b/test/statsCases/prefetch-preload-mixed/index.js
@@ -1,3 +1,3 @@
-import(/* webpackChunkName: "a" */"./a");
-import(/* webpackChunkName: "b" */"./b");
-import(/* webpackChunkName: "c" */"./c");
+import(/* webpackPrefetch: true, webpackChunkName: "a" */"./a");
+import(/* webpackPrefetch: true, webpackChunkName: "b" */"./b");
+import(/* webpackPrefetch: true, webpackChunkName: "c" */"./c");
