1 files changed, 195 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/sharing/ProvideSharedModule.js b/node_modules/webpack/lib/sharing/ProvideSharedModule.js
new file mode 100644
index 00000000..22848391
--- /dev/null
+++ b/node_modules/webpack/lib/sharing/ProvideSharedModule.js
@@ -0,0 +1,195 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra and Zackary Jackson @ScriptedAlchemy
+*/
+
+"use strict";
+
+const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
+const Module = require("../Module");
+const { WEBPACK_MODULE_TYPE_PROVIDE } = require("../ModuleTypeConstants");
+const RuntimeGlobals = require("../RuntimeGlobals");
+const makeSerializable = require("../util/makeSerializable");
+const ProvideForSharedDependency = require("./ProvideForSharedDependency");
+
+/** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../ChunkGraph")} ChunkGraph */
+/** @typedef {import("../ChunkGroup")} ChunkGroup */
+/** @typedef {import("../Compilation")} Compilation */
+/** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */
+/** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */
+/** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */
+/** @typedef {import("../Module").NeedBuildContext} NeedBuildContext */
+/** @typedef {import("../Module").SourceTypes} SourceTypes */
+/** @typedef {import("../RequestShortener")} RequestShortener */
+/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
+/** @typedef {import("../WebpackError")} WebpackError */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("../util/Hash")} Hash */
+/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
+
+const TYPES = new Set(["share-init"]);
+
+class ProvideSharedModule extends Module {
+	/**
+	 * @param {string} shareScope shared scope name
+	 * @param {string} name shared key
+	 * @param {string | false} version version
+	 * @param {string} request request to the provided module
+	 * @param {boolean} eager include the module in sync way
+	 */
+	constructor(shareScope, name, version, request, eager) {
+		super(WEBPACK_MODULE_TYPE_PROVIDE);
+		this._shareScope = shareScope;
+		this._name = name;
+		this._version = version;
+		this._request = request;
+		this._eager = eager;
+	}
+
+	/**
+	 * @returns {string} a unique identifier of the module
+	 */
+	identifier() {
+		return `provide module (${this._shareScope}) ${this._name}@${this._version} = ${this._request}`;
+	}
+
+	/**
+	 * @param {RequestShortener} requestShortener the request shortener
+	 * @returns {string} a user readable identifier of the module
+	 */
+	readableIdentifier(requestShortener) {
+		return `provide shared module (${this._shareScope}) ${this._name}@${
+			this._version
+		} = ${requestShortener.shorten(this._request)}`;
+	}
+
+	/**
+	 * @param {LibIdentOptions} options options
+	 * @returns {string | null} an identifier for library inclusion
+	 */
+	libIdent(options) {
+		return `${this.layer ? `(${this.layer})/` : ""}webpack/sharing/provide/${
+			this._shareScope
+		}/${this._name}`;
+	}
+
+	/**
+	 * @param {NeedBuildContext} context context info
+	 * @param {function((WebpackError | null)=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
+	 * @returns {void}
+	 */
+	needBuild(context, callback) {
+		callback(null, !this.buildInfo);
+	}
+
+	/**
+	 * @param {WebpackOptions} options webpack options
+	 * @param {Compilation} compilation the compilation
+	 * @param {ResolverWithOptions} resolver the resolver
+	 * @param {InputFileSystem} fs the file system
+	 * @param {function(WebpackError=): void} callback callback function
+	 * @returns {void}
+	 */
+	build(options, compilation, resolver, fs, callback) {
+		this.buildMeta = {};
+		this.buildInfo = {
+			strict: true
+		};
+
+		this.clearDependenciesAndBlocks();
+		const dep = new ProvideForSharedDependency(this._request);
+		if (this._eager) {
+			this.addDependency(dep);
+		} else {
+			const block = new AsyncDependenciesBlock({});
+			block.addDependency(dep);
+			this.addBlock(block);
+		}
+
+		callback();
+	}
+
+	/**
+	 * @param {string=} type the source type for which the size should be estimated
+	 * @returns {number} the estimated size of the module (must be non-zero)
+	 */
+	size(type) {
+		return 42;
+	}
+
+	/**
+	 * @returns {SourceTypes} types available (do not mutate)
+	 */
+	getSourceTypes() {
+		return TYPES;
+	}
+
+	/**
+	 * @param {CodeGenerationContext} context context for code generation
+	 * @returns {CodeGenerationResult} result
+	 */
+	codeGeneration({ runtimeTemplate, moduleGraph, chunkGraph }) {
+		const runtimeRequirements = new Set([RuntimeGlobals.initializeSharing]);
+		const code = `register(${JSON.stringify(this._name)}, ${JSON.stringify(
+			this._version || "0"
+		)}, ${
+			this._eager
+				? runtimeTemplate.syncModuleFactory({
+						dependency: this.dependencies[0],
+						chunkGraph,
+						request: this._request,
+						runtimeRequirements
+					})
+				: runtimeTemplate.asyncModuleFactory({
+						block: this.blocks[0],
+						chunkGraph,
+						request: this._request,
+						runtimeRequirements
+					})
+		}${this._eager ? ", 1" : ""});`;
+		const sources = new Map();
+		const data = new Map();
+		data.set("share-init", [
+			{
+				shareScope: this._shareScope,
+				initStage: 10,
+				init: code
+			}
+		]);
+		return { sources, data, runtimeRequirements };
+	}
+
+	/**
+	 * @param {ObjectSerializerContext} context context
+	 */
+	serialize(context) {
+		const { write } = context;
+		write(this._shareScope);
+		write(this._name);
+		write(this._version);
+		write(this._request);
+		write(this._eager);
+		super.serialize(context);
+	}
+
+	/**
+	 * @param {ObjectDeserializerContext} context context
+	 * @returns {ProvideSharedModule} deserialize fallback dependency
+	 */
+	static deserialize(context) {
+		const { read } = context;
+		const obj = new ProvideSharedModule(read(), read(), read(), read(), read());
+		obj.deserialize(context);
+		return obj;
+	}
+}
+
+makeSerializable(
+	ProvideSharedModule,
+	"webpack/lib/sharing/ProvideSharedModule"
+);
+
+module.exports = ProvideSharedModule;