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node_modules/webpack/lib/ModuleReason.js

@@ -4,47 +4,45 @@
 */
 "use strict";
 
-const util = require("util");
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./Dependency")} Dependency */
 
 class ModuleReason {
-	constructor(module, dependency) {
+	/**
+	 * @param {Module} module the referencing module
+	 * @param {Dependency} dependency the referencing dependency
+	 * @param {string=} explanation some extra detail
+	 */
+	constructor(module, dependency, explanation) {
 		this.module = module;
 		this.dependency = dependency;
+		this.explanation = explanation;
 		this._chunks = null;
 	}
 
 	hasChunk(chunk) {
-		if(this._chunks) {
-			if(this._chunks.has(chunk))
-				return true;
-		} else if(this.module._chunks.has(chunk))
-			return true;
+		if (this._chunks) {
+			if (this._chunks.has(chunk)) return true;
+		} else if (this.module && 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) {
+			if (this.module) {
+				if (!this.module._chunks.has(oldChunk)) return;
+				this._chunks = new Set(this.module._chunks);
+			} else {
+				this._chunks = new Set();
+			}
 		}
-		if(this._chunks.has(oldChunk)) {
+		if (this._chunks.has(oldChunk)) {
 			this._chunks.delete(oldChunk);
-			for(let i = 0; i < newChunks.length; i++) {
+			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;