Updated the files.

my-app/node_modules/webpack/lib/esm/ExportWebpackRequireRuntimeModule.js

@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+const RuntimeGlobals = require("../RuntimeGlobals");
+const RuntimeModule = require("../RuntimeModule");
+
+class ExportWebpackRequireRuntimeModule extends RuntimeModule {
+	constructor() {
+		super("export webpack runtime", RuntimeModule.STAGE_ATTACH);
+	}
+
+	/**
+	 * @returns {boolean} true, if the runtime module should get it's own scope
+	 */
+	shouldIsolate() {
+		return false;
+	}
+
+	/**
+	 * @returns {string | null} runtime code
+	 */
+	generate() {
+		return `export default ${RuntimeGlobals.require};`;
+	}
+}
+
+module.exports = ExportWebpackRequireRuntimeModule;

my-app/node_modules/webpack/lib/esm/ModuleChunkFormatPlugin.js

@@ -0,0 +1,215 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+const { RuntimeGlobals } = require("..");
+const HotUpdateChunk = require("../HotUpdateChunk");
+const Template = require("../Template");
+const { getAllChunks } = require("../javascript/ChunkHelpers");
+const {
+	chunkHasJs,
+	getCompilationHooks,
+	getChunkFilenameTemplate
+} = require("../javascript/JavascriptModulesPlugin");
+const { updateHashForEntryStartup } = require("../javascript/StartupHelpers");
+
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Entrypoint")} Entrypoint */
+
+class ModuleChunkFormatPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"ModuleChunkFormatPlugin",
+			compilation => {
+				compilation.hooks.additionalChunkRuntimeRequirements.tap(
+					"ModuleChunkFormatPlugin",
+					(chunk, set) => {
+						if (chunk.hasRuntime()) return;
+						if (compilation.chunkGraph.getNumberOfEntryModules(chunk) > 0) {
+							set.add(RuntimeGlobals.require);
+							set.add(RuntimeGlobals.startupEntrypoint);
+							set.add(RuntimeGlobals.externalInstallChunk);
+						}
+					}
+				);
+				const hooks = getCompilationHooks(compilation);
+				hooks.renderChunk.tap(
+					"ModuleChunkFormatPlugin",
+					(modules, renderContext) => {
+						const { chunk, chunkGraph, runtimeTemplate } = renderContext;
+						const hotUpdateChunk =
+							chunk instanceof HotUpdateChunk ? chunk : null;
+						const source = new ConcatSource();
+						if (hotUpdateChunk) {
+							throw new Error(
+								"HMR is not implemented for module chunk format yet"
+							);
+						} else {
+							source.add(`export const id = ${JSON.stringify(chunk.id)};\n`);
+							source.add(`export const ids = ${JSON.stringify(chunk.ids)};\n`);
+							source.add(`export const modules = `);
+							source.add(modules);
+							source.add(`;\n`);
+							const runtimeModules =
+								chunkGraph.getChunkRuntimeModulesInOrder(chunk);
+							if (runtimeModules.length > 0) {
+								source.add("export const runtime =\n");
+								source.add(
+									Template.renderChunkRuntimeModules(
+										runtimeModules,
+										renderContext
+									)
+								);
+							}
+							const entries = Array.from(
+								chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
+							);
+							if (entries.length > 0) {
+								const runtimeChunk =
+									/** @type {Entrypoint[][]} */
+									(entries)[0][1].getRuntimeChunk();
+								const currentOutputName = compilation
+									.getPath(
+										getChunkFilenameTemplate(chunk, compilation.outputOptions),
+										{
+											chunk,
+											contentHashType: "javascript"
+										}
+									)
+									.split("/");
+
+								// remove filename, we only need the directory
+								currentOutputName.pop();
+
+								/**
+								 * @param {Chunk} chunk the chunk
+								 * @returns {string} the relative path
+								 */
+								const getRelativePath = chunk => {
+									const baseOutputName = currentOutputName.slice();
+									const chunkOutputName = compilation
+										.getPath(
+											getChunkFilenameTemplate(
+												chunk,
+												compilation.outputOptions
+											),
+											{
+												chunk: chunk,
+												contentHashType: "javascript"
+											}
+										)
+										.split("/");
+
+									// remove common parts
+									while (
+										baseOutputName.length > 0 &&
+										chunkOutputName.length > 0 &&
+										baseOutputName[0] === chunkOutputName[0]
+									) {
+										baseOutputName.shift();
+										chunkOutputName.shift();
+									}
+									// create final path
+									return (
+										(baseOutputName.length > 0
+											? "../".repeat(baseOutputName.length)
+											: "./") + chunkOutputName.join("/")
+									);
+								};
+
+								const entrySource = new ConcatSource();
+								entrySource.add(source);
+								entrySource.add(";\n\n// load runtime\n");
+								entrySource.add(
+									`import ${RuntimeGlobals.require} from ${JSON.stringify(
+										getRelativePath(/** @type {Chunk} */ (runtimeChunk))
+									)};\n`
+								);
+
+								const startupSource = new ConcatSource();
+								startupSource.add(
+									`var __webpack_exec__ = ${runtimeTemplate.returningFunction(
+										`${RuntimeGlobals.require}(${RuntimeGlobals.entryModuleId} = moduleId)`,
+										"moduleId"
+									)}\n`
+								);
+
+								const loadedChunks = new Set();
+								let index = 0;
+								for (let i = 0; i < entries.length; i++) {
+									const [module, entrypoint] = entries[i];
+									const final = i + 1 === entries.length;
+									const moduleId = chunkGraph.getModuleId(module);
+									const chunks = getAllChunks(
+										/** @type {Entrypoint} */ (entrypoint),
+										/** @type {Chunk} */ (runtimeChunk),
+										undefined
+									);
+									for (const chunk of chunks) {
+										if (
+											loadedChunks.has(chunk) ||
+											!chunkHasJs(chunk, chunkGraph)
+										)
+											continue;
+										loadedChunks.add(chunk);
+										startupSource.add(
+											`import * as __webpack_chunk_${index}__ from ${JSON.stringify(
+												getRelativePath(chunk)
+											)};\n`
+										);
+										startupSource.add(
+											`${RuntimeGlobals.externalInstallChunk}(__webpack_chunk_${index}__);\n`
+										);
+										index++;
+									}
+									startupSource.add(
+										`${
+											final ? `var ${RuntimeGlobals.exports} = ` : ""
+										}__webpack_exec__(${JSON.stringify(moduleId)});\n`
+									);
+								}
+
+								entrySource.add(
+									hooks.renderStartup.call(
+										startupSource,
+										entries[entries.length - 1][0],
+										{
+											...renderContext,
+											inlined: false
+										}
+									)
+								);
+								return entrySource;
+							}
+						}
+						return source;
+					}
+				);
+				hooks.chunkHash.tap(
+					"ModuleChunkFormatPlugin",
+					(chunk, hash, { chunkGraph, runtimeTemplate }) => {
+						if (chunk.hasRuntime()) return;
+						hash.update("ModuleChunkFormatPlugin");
+						hash.update("1");
+						const entries = Array.from(
+							chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
+						);
+						updateHashForEntryStartup(hash, chunkGraph, entries, chunk);
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = ModuleChunkFormatPlugin;

my-app/node_modules/webpack/lib/esm/ModuleChunkLoadingPlugin.js

@@ -0,0 +1,87 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const RuntimeGlobals = require("../RuntimeGlobals");
+const ExportWebpackRequireRuntimeModule = require("./ExportWebpackRequireRuntimeModule");
+const ModuleChunkLoadingRuntimeModule = require("./ModuleChunkLoadingRuntimeModule");
+
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../Compiler")} Compiler */
+
+class ModuleChunkLoadingPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"ModuleChunkLoadingPlugin",
+			compilation => {
+				const globalChunkLoading = compilation.outputOptions.chunkLoading;
+				/**
+				 * @param {Chunk} chunk chunk to check
+				 * @returns {boolean} true, when the plugin is enabled for the chunk
+				 */
+				const isEnabledForChunk = chunk => {
+					const options = chunk.getEntryOptions();
+					const chunkLoading =
+						options && options.chunkLoading !== undefined
+							? options.chunkLoading
+							: globalChunkLoading;
+					return chunkLoading === "import";
+				};
+				const onceForChunkSet = new WeakSet();
+				/**
+				 * @param {Chunk} chunk chunk to check
+				 * @param {Set<string>} set runtime requirements
+				 */
+				const handler = (chunk, set) => {
+					if (onceForChunkSet.has(chunk)) return;
+					onceForChunkSet.add(chunk);
+					if (!isEnabledForChunk(chunk)) return;
+					set.add(RuntimeGlobals.moduleFactoriesAddOnly);
+					set.add(RuntimeGlobals.hasOwnProperty);
+					compilation.addRuntimeModule(
+						chunk,
+						new ModuleChunkLoadingRuntimeModule(set)
+					);
+				};
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.ensureChunkHandlers)
+					.tap("ModuleChunkLoadingPlugin", handler);
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.baseURI)
+					.tap("ModuleChunkLoadingPlugin", handler);
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.externalInstallChunk)
+					.tap("ModuleChunkLoadingPlugin", handler);
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.onChunksLoaded)
+					.tap("ModuleChunkLoadingPlugin", handler);
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.externalInstallChunk)
+					.tap("ModuleChunkLoadingPlugin", (chunk, set) => {
+						if (!isEnabledForChunk(chunk)) return;
+						compilation.addRuntimeModule(
+							chunk,
+							new ExportWebpackRequireRuntimeModule()
+						);
+					});
+
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.ensureChunkHandlers)
+					.tap("ModuleChunkLoadingPlugin", (chunk, set) => {
+						if (!isEnabledForChunk(chunk)) return;
+						set.add(RuntimeGlobals.getChunkScriptFilename);
+					});
+			}
+		);
+	}
+}
+
+module.exports = ModuleChunkLoadingPlugin;

my-app/node_modules/webpack/lib/esm/ModuleChunkLoadingRuntimeModule.js

@@ -0,0 +1,249 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+const { SyncWaterfallHook } = require("tapable");
+const Compilation = require("../Compilation");
+const RuntimeGlobals = require("../RuntimeGlobals");
+const RuntimeModule = require("../RuntimeModule");
+const Template = require("../Template");
+const {
+	getChunkFilenameTemplate,
+	chunkHasJs
+} = require("../javascript/JavascriptModulesPlugin");
+const { getInitialChunkIds } = require("../javascript/StartupHelpers");
+const compileBooleanMatcher = require("../util/compileBooleanMatcher");
+const { getUndoPath } = require("../util/identifier");
+
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../ChunkGraph")} ChunkGraph */
+
+/**
+ * @typedef {Object} JsonpCompilationPluginHooks
+ * @property {SyncWaterfallHook<[string, Chunk]>} linkPreload
+ * @property {SyncWaterfallHook<[string, Chunk]>} linkPrefetch
+ */
+
+/** @type {WeakMap<Compilation, JsonpCompilationPluginHooks>} */
+const compilationHooksMap = new WeakMap();
+
+class ModuleChunkLoadingRuntimeModule extends RuntimeModule {
+	/**
+	 * @param {Compilation} compilation the compilation
+	 * @returns {JsonpCompilationPluginHooks} hooks
+	 */
+	static getCompilationHooks(compilation) {
+		if (!(compilation instanceof Compilation)) {
+			throw new TypeError(
+				"The 'compilation' argument must be an instance of Compilation"
+			);
+		}
+		let hooks = compilationHooksMap.get(compilation);
+		if (hooks === undefined) {
+			hooks = {
+				linkPreload: new SyncWaterfallHook(["source", "chunk"]),
+				linkPrefetch: new SyncWaterfallHook(["source", "chunk"])
+			};
+			compilationHooksMap.set(compilation, hooks);
+		}
+		return hooks;
+	}
+
+	/**
+	 * @param {ReadonlySet<string>} runtimeRequirements runtime requirements
+	 */
+	constructor(runtimeRequirements) {
+		super("import chunk loading", RuntimeModule.STAGE_ATTACH);
+		this._runtimeRequirements = runtimeRequirements;
+	}
+
+	/**
+	 * @private
+	 * @param {Chunk} chunk chunk
+	 * @param {string} rootOutputDir root output directory
+	 * @returns {string} generated code
+	 */
+	_generateBaseUri(chunk, rootOutputDir) {
+		const options = chunk.getEntryOptions();
+		if (options && options.baseUri) {
+			return `${RuntimeGlobals.baseURI} = ${JSON.stringify(options.baseUri)};`;
+		}
+		const compilation = /** @type {Compilation} */ (this.compilation);
+		const {
+			outputOptions: { importMetaName }
+		} = compilation;
+		return `${RuntimeGlobals.baseURI} = new URL(${JSON.stringify(
+			rootOutputDir
+		)}, ${importMetaName}.url);`;
+	}
+
+	/**
+	 * @returns {string | null} runtime code
+	 */
+	generate() {
+		const compilation = /** @type {Compilation} */ (this.compilation);
+		const chunkGraph = /** @type {ChunkGraph} */ (this.chunkGraph);
+		const chunk = /** @type {Chunk} */ (this.chunk);
+		const {
+			runtimeTemplate,
+			outputOptions: { importFunctionName }
+		} = compilation;
+		const fn = RuntimeGlobals.ensureChunkHandlers;
+		const withBaseURI = this._runtimeRequirements.has(RuntimeGlobals.baseURI);
+		const withExternalInstallChunk = this._runtimeRequirements.has(
+			RuntimeGlobals.externalInstallChunk
+		);
+		const withLoading = this._runtimeRequirements.has(
+			RuntimeGlobals.ensureChunkHandlers
+		);
+		const withOnChunkLoad = this._runtimeRequirements.has(
+			RuntimeGlobals.onChunksLoaded
+		);
+		const withHmr = this._runtimeRequirements.has(
+			RuntimeGlobals.hmrDownloadUpdateHandlers
+		);
+		const conditionMap = chunkGraph.getChunkConditionMap(chunk, chunkHasJs);
+		const hasJsMatcher = compileBooleanMatcher(conditionMap);
+		const initialChunkIds = getInitialChunkIds(chunk, chunkGraph, chunkHasJs);
+
+		const outputName = compilation.getPath(
+			getChunkFilenameTemplate(chunk, compilation.outputOptions),
+			{
+				chunk,
+				contentHashType: "javascript"
+			}
+		);
+		const rootOutputDir = getUndoPath(
+			outputName,
+			/** @type {string} */ (compilation.outputOptions.path),
+			true
+		);
+
+		const stateExpression = withHmr
+			? `${RuntimeGlobals.hmrRuntimeStatePrefix}_module`
+			: undefined;
+
+		return Template.asString([
+			withBaseURI
+				? this._generateBaseUri(chunk, rootOutputDir)
+				: "// no baseURI",
+			"",
+			"// object to store loaded and loading chunks",
+			"// undefined = chunk not loaded, null = chunk preloaded/prefetched",
+			"// [resolve, Promise] = chunk loading, 0 = chunk loaded",
+			`var installedChunks = ${
+				stateExpression ? `${stateExpression} = ${stateExpression} || ` : ""
+			}{`,
+			Template.indent(
+				Array.from(initialChunkIds, id => `${JSON.stringify(id)}: 0`).join(
+					",\n"
+				)
+			),
+			"};",
+			"",
+			withLoading || withExternalInstallChunk
+				? `var installChunk = ${runtimeTemplate.basicFunction("data", [
+						runtimeTemplate.destructureObject(
+							["ids", "modules", "runtime"],
+							"data"
+						),
+						'// add "modules" to the modules object,',
+						'// then flag all "ids" as loaded and fire callback',
+						"var moduleId, chunkId, i = 0;",
+						"for(moduleId in modules) {",
+						Template.indent([
+							`if(${RuntimeGlobals.hasOwnProperty}(modules, moduleId)) {`,
+							Template.indent(
+								`${RuntimeGlobals.moduleFactories}[moduleId] = modules[moduleId];`
+							),
+							"}"
+						]),
+						"}",
+						`if(runtime) runtime(${RuntimeGlobals.require});`,
+						"for(;i < ids.length; i++) {",
+						Template.indent([
+							"chunkId = ids[i];",
+							`if(${RuntimeGlobals.hasOwnProperty}(installedChunks, chunkId) && installedChunks[chunkId]) {`,
+							Template.indent("installedChunks[chunkId][0]();"),
+							"}",
+							"installedChunks[ids[i]] = 0;"
+						]),
+						"}",
+						withOnChunkLoad ? `${RuntimeGlobals.onChunksLoaded}();` : ""
+				  ])}`
+				: "// no install chunk",
+			"",
+			withLoading
+				? Template.asString([
+						`${fn}.j = ${runtimeTemplate.basicFunction(
+							"chunkId, promises",
+							hasJsMatcher !== false
+								? Template.indent([
+										"// import() chunk loading for javascript",
+										`var installedChunkData = ${RuntimeGlobals.hasOwnProperty}(installedChunks, chunkId) ? installedChunks[chunkId] : undefined;`,
+										'if(installedChunkData !== 0) { // 0 means "already installed".',
+										Template.indent([
+											"",
+											'// a Promise means "currently loading".',
+											"if(installedChunkData) {",
+											Template.indent([
+												"promises.push(installedChunkData[1]);"
+											]),
+											"} else {",
+											Template.indent([
+												hasJsMatcher === true
+													? "if(true) { // all chunks have JS"
+													: `if(${hasJsMatcher("chunkId")}) {`,
+												Template.indent([
+													"// setup Promise in chunk cache",
+													`var promise = ${importFunctionName}(${JSON.stringify(
+														rootOutputDir
+													)} + ${
+														RuntimeGlobals.getChunkScriptFilename
+													}(chunkId)).then(installChunk, ${runtimeTemplate.basicFunction(
+														"e",
+														[
+															"if(installedChunks[chunkId] !== 0) installedChunks[chunkId] = undefined;",
+															"throw e;"
+														]
+													)});`,
+													`var promise = Promise.race([promise, new Promise(${runtimeTemplate.expressionFunction(
+														`installedChunkData = installedChunks[chunkId] = [resolve]`,
+														"resolve"
+													)})])`,
+													`promises.push(installedChunkData[1] = promise);`
+												]),
+												hasJsMatcher === true
+													? "}"
+													: "} else installedChunks[chunkId] = 0;"
+											]),
+											"}"
+										]),
+										"}"
+								  ])
+								: Template.indent(["installedChunks[chunkId] = 0;"])
+						)};`
+				  ])
+				: "// no chunk on demand loading",
+			"",
+			withExternalInstallChunk
+				? Template.asString([
+						`${RuntimeGlobals.externalInstallChunk} = installChunk;`
+				  ])
+				: "// no external install chunk",
+			"",
+			withOnChunkLoad
+				? `${
+						RuntimeGlobals.onChunksLoaded
+				  }.j = ${runtimeTemplate.returningFunction(
+						"installedChunks[chunkId] === 0",
+						"chunkId"
+				  )};`
+				: "// no on chunks loaded"
+		]);
+	}
+}
+
+module.exports = ModuleChunkLoadingRuntimeModule;