chushihua

node_modules/webpack/lib/ModuleReason.js

@@ -0,0 +1,50 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+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;