source: trip-planner-front/node_modules/webpack/lib/container/RemoteModule.js

/*
        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 RuntimeGlobals = require("../RuntimeGlobals");
const makeSerializable = require("../util/makeSerializable");
const FallbackDependency = require("./FallbackDependency");
const RemoteToExternalDependency = require("./RemoteToExternalDependency");

/** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
/** @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("../RequestShortener")} RequestShortener */
/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
/** @typedef {import("../WebpackError")} WebpackError */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */

const TYPES = new Set(["remote", "share-init"]);
const RUNTIME_REQUIREMENTS = new Set([RuntimeGlobals.module]);

class RemoteModule extends Module {
        /**
         * @param {string} request request string
         * @param {string[]} 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("remote-module");
                this.request = request;
                this.externalRequests = externalRequests;
                this.internalRequest = internalRequest;
                this.shareScope = shareScope;
                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 {string | null} an identifier for library inclusion
         */
        libIdent(options) {
                return `webpack/container/remote/${this.request}`;
        }

        /**
         * @param {NeedBuildContext} context context info
         * @param {function(WebpackError=, 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();
                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 {Set<string>} types available (do not mutate)
         */
        getSourceTypes() {
                return TYPES;
        }

        /**
         * @returns {string | 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({ runtimeTemplate, moduleGraph, chunkGraph }) {
                const module = moduleGraph.getModule(this.dependencies[0]);
                const id = module && chunkGraph.getModuleId(module);
                const sources = new Map();
                sources.set("remote", new RawSource(""));
                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 };
        }

        serialize(context) {
                const { write } = context;
                write(this.request);
                write(this.externalRequests);
                write(this.internalRequest);
                write(this.shareScope);
                super.serialize(context);
        }

        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;