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node_modules/webpack/lib/container/RemoteModule.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra and Zackary Jackson @ScriptedAlchemy
+*/
+
+"use strict";
+
+const { RawSource } = require("webpack-sources");
+const Module = require("../Module");
+const {
+	JAVASCRIPT_TYPES,
+	REMOTE_AND_SHARE_INIT_TYPES
+} = require("../ModuleSourceTypeConstants");
+const { WEBPACK_MODULE_TYPE_REMOTE } = require("../ModuleTypeConstants");
+const RuntimeGlobals = require("../RuntimeGlobals");
+const makeSerializable = require("../util/makeSerializable");
+const FallbackDependency = require("./FallbackDependency");
+const RemoteToExternalDependency = require("./RemoteToExternalDependency");
+
+/** @typedef {import("../config/defaults").WebpackOptionsNormalizedWithDefaults} WebpackOptions */
+/** @typedef {import("../Compilation")} Compilation */
+/** @typedef {import("../Module").BuildCallback} BuildCallback */
+/** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */
+/** @typedef {import("../Module").CodeGenerationResultData} CodeGenerationResultData */
+/** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */
+/** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */
+/** @typedef {import("../Module").LibIdent} LibIdent */
+/** @typedef {import("../Module").NameForCondition} NameForCondition */
+/** @typedef {import("../Module").NeedBuildCallback} NeedBuildCallback */
+/** @typedef {import("../Module").NeedBuildContext} NeedBuildContext */
+/** @typedef {import("../Module").Sources} Sources */
+/** @typedef {import("../Module").SourceTypes} SourceTypes */
+/** @typedef {import("../ModuleGraph")} ModuleGraph */
+/** @typedef {import("../Module").ExportsType} ExportsType */
+/** @typedef {import("../RequestShortener")} RequestShortener */
+/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
+/** @typedef {import("../Module").BasicSourceTypes} BasicSourceTypes */
+
+const RUNTIME_REQUIREMENTS = new Set([RuntimeGlobals.module]);
+
+/** @typedef {string[]} ExternalRequests */
+
+class RemoteModule extends Module {
+	/**
+	 * @param {string} request request string
+	 * @param {ExternalRequests} externalRequests list of external requests to containers
+	 * @param {string} internalRequest name of exposed module in container
+	 * @param {string} shareScope the used share scope name
+	 */
+	constructor(request, externalRequests, internalRequest, shareScope) {
+		super(WEBPACK_MODULE_TYPE_REMOTE);
+		/** @type {string} */
+		this.request = request;
+		/** @type {ExternalRequests} */
+		this.externalRequests = externalRequests;
+		/** @type {string} */
+		this.internalRequest = internalRequest;
+		/** @type {string} */
+		this.shareScope = shareScope;
+		/** @type {string} */
+		this._identifier = `remote (${shareScope}) ${this.externalRequests.join(
+			" "
+		)} ${this.internalRequest}`;
+	}
+
+	/**
+	 * @returns {string} a unique identifier of the module
+	 */
+	identifier() {
+		return this._identifier;
+	}
+
+	/**
+	 * @param {RequestShortener} requestShortener the request shortener
+	 * @returns {string} a user readable identifier of the module
+	 */
+	readableIdentifier(requestShortener) {
+		return `remote ${this.request}`;
+	}
+
+	/**
+	 * @param {LibIdentOptions} options options
+	 * @returns {LibIdent | null} an identifier for library inclusion
+	 */
+	libIdent(options) {
+		return `${this.layer ? `(${this.layer})/` : ""}webpack/container/remote/${
+			this.request
+		}`;
+	}
+
+	/**
+	 * @param {NeedBuildContext} context context info
+	 * @param {NeedBuildCallback} 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 {BuildCallback} callback callback function
+	 * @returns {void}
+	 */
+	build(options, compilation, resolver, fs, callback) {
+		this.buildMeta = {};
+		this.buildInfo = {
+			strict: true
+		};
+
+		this.clearDependenciesAndBlocks();
+		if (this.externalRequests.length === 1) {
+			this.addDependency(
+				new RemoteToExternalDependency(this.externalRequests[0])
+			);
+		} else {
+			this.addDependency(new FallbackDependency(this.externalRequests));
+		}
+
+		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 6;
+	}
+
+	/**
+	 * @returns {SourceTypes} types available (do not mutate)
+	 */
+	getSourceTypes() {
+		return REMOTE_AND_SHARE_INIT_TYPES;
+	}
+
+	/**
+	 * Basic source types are high-level categories like javascript, css, webassembly, etc.
+	 * We only have built-in knowledge about the javascript basic type here; other basic types may be
+	 * added or changed over time by generators and do not need to be handled or detected here.
+	 *
+	 * Some modules, e.g. RemoteModule, may return non-basic source types like "remote" and "share-init"
+	 * from getSourceTypes(), but their generated output is still JavaScript, i.e. their basic type is JS.
+	 * @returns {BasicSourceTypes} types available (do not mutate)
+	 */
+	getSourceBasicTypes() {
+		return JAVASCRIPT_TYPES;
+	}
+
+	/**
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {boolean | undefined} strict the importing module is strict
+	 * @returns {ExportsType} export type
+	 * "namespace": Exports is already a namespace object. namespace = exports.
+	 * "dynamic": Check at runtime if __esModule is set. When set: namespace = { ...exports, default: exports }. When not set: namespace = { default: exports }.
+	 * "default-only": Provide a namespace object with only default export. namespace = { default: exports }
+	 * "default-with-named": Provide a namespace object with named and default export. namespace = { ...exports, default: exports }
+	 */
+	getExportsType(moduleGraph, strict) {
+		return "dynamic";
+	}
+
+	/**
+	 * @returns {NameForCondition | null} absolute path which should be used for condition matching (usually the resource path)
+	 */
+	nameForCondition() {
+		return this.request;
+	}
+
+	/**
+	 * @param {CodeGenerationContext} context context for code generation
+	 * @returns {CodeGenerationResult} result
+	 */
+	codeGeneration({ moduleGraph, chunkGraph }) {
+		const module = moduleGraph.getModule(this.dependencies[0]);
+		const id = module && chunkGraph.getModuleId(module);
+		/** @type {Sources} */
+		const sources = new Map();
+		sources.set("remote", new RawSource(""));
+		/** @type {CodeGenerationResultData} */
+		const data = new Map();
+		data.set("share-init", [
+			{
+				shareScope: this.shareScope,
+				initStage: 20,
+				init: id === undefined ? "" : `initExternal(${JSON.stringify(id)});`
+			}
+		]);
+		return { sources, data, runtimeRequirements: RUNTIME_REQUIREMENTS };
+	}
+
+	/**
+	 * @param {ObjectSerializerContext} context context
+	 */
+	serialize(context) {
+		const { write } = context;
+		write(this.request);
+		write(this.externalRequests);
+		write(this.internalRequest);
+		write(this.shareScope);
+		super.serialize(context);
+	}
+
+	/**
+	 * @param {ObjectDeserializerContext} context context
+	 * @returns {RemoteModule} deserialized module
+	 */
+	static deserialize(context) {
+		const { read } = context;
+		const obj = new RemoteModule(read(), read(), read(), read());
+		obj.deserialize(context);
+		return obj;
+	}
+}
+
+makeSerializable(RemoteModule, "webpack/lib/container/RemoteModule");
+
+module.exports = RemoteModule;