1 files changed, 35 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/optimize/FlagIncludedChunksPlugin.js b/node_modules/webpack/lib/optimize/FlagIncludedChunksPlugin.js
new file mode 100644
index 000000000..e8b5a9457
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/FlagIncludedChunksPlugin.js
@@ -0,0 +1,35 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class FlagIncludedChunksPlugin {
+
+	apply(compiler) {
+		compiler.plugin("compilation", (compilation) => {
+			compilation.plugin("optimize-chunk-ids", (chunks) => {
+				chunks.forEach((chunkA) => {
+					chunks.forEach((chunkB) => {
+						// as we iterate the same iterables twice
+						// skip if we find ourselves
+						if(chunkA === chunkB) return;
+
+						// instead of swapping A and B just bail
+						// as we loop twice the current A will be B and B then A
+						if(chunkA.modules.length < chunkB.modules.length) return;
+
+						if(chunkB.modules.length === 0) return;
+
+						// is chunkB in chunkA?
+						for(let i = 0; i < chunkB.modules.length; i++) {
+							if(chunkA.modules.indexOf(chunkB.modules[i]) < 0) return;
+						}
+						chunkA.ids.push(chunkB.id);
+					});
+				});
+			});
+		});
+	}
+}
+module.exports = FlagIncludedChunksPlugin;