From 363723fc84f7b8477592e0105aeb331ec9a017af Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 14 Aug 2017 05:01:11 +0200
Subject: node_modules

---
 node_modules/webpack/lib/ModuleReason.js | 42 ++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

(limited to 'node_modules/webpack/lib/ModuleReason.js')

diff --git a/node_modules/webpack/lib/ModuleReason.js b/node_modules/webpack/lib/ModuleReason.js
index 999952069..52f539d01 100644
--- a/node_modules/webpack/lib/ModuleReason.js
+++ b/node_modules/webpack/lib/ModuleReason.js
@@ -4,9 +4,47 @@
 */
 "use strict";
 
-module.exports = class ModuleReason {
+const util = require("util");
+
+class ModuleReason {
 	constructor(module, dependency) {
 		this.module = module;
 		this.dependency = dependency;
+		this._chunks = null;
+	}
+
+	hasChunk(chunk) {
+		if(this._chunks) {
+			if(this._chunks.has(chunk))
+				return true;
+		} else if(this.module._chunks.has(chunk))
+			return true;
+		return false;
+	}
+
+	rewriteChunks(oldChunk, newChunks) {
+		if(!this._chunks) {
+			if(!this.module._chunks.has(oldChunk))
+				return;
+			this._chunks = new Set(this.module._chunks);
+		}
+		if(this._chunks.has(oldChunk)) {
+			this._chunks.delete(oldChunk);
+			for(let i = 0; i < newChunks.length; i++) {
+				this._chunks.add(newChunks[i]);
+			}
+		}
+	}
+}
+
+Object.defineProperty(ModuleReason.prototype, "chunks", {
+	configurable: false,
+	get: util.deprecate(function() {
+		return this._chunks ? Array.from(this._chunks) : null;
+	}, "ModuleReason.chunks: Use ModuleReason.hasChunk/rewriteChunks instead"),
+	set() {
+		throw new Error("Readonly. Use ModuleReason.rewriteChunks to modify chunks.");
 	}
-};
+});
+
+module.exports = ModuleReason;
-- 
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